{"id":5708,"date":"2026-05-26T08:53:48","date_gmt":"2026-05-26T08:53:48","guid":{"rendered":"https:\/\/www.hiitiosemi.com\/?p=5708"},"modified":"2026-05-26T08:53:52","modified_gmt":"2026-05-26T08:53:52","slug":"sic-mosfet-gate-resistance-optimization-guide-for-efficiency","status":"publish","type":"post","link":"https:\/\/www.hiitiosemi.com\/zh\/blog\/sic-mosfet-gate-resistance-optimization-guide-for-efficiency\/","title":{"rendered":"SiC MOSFET \u95e8\u6781\u7535\u963b\u4f18\u5316\u6307\u5357\u4ee5\u63d0\u9ad8\u6548\u7387"},"content":{"rendered":"<h2 class=\"wp-block-heading\">SiC MOSFET \u95e8\u6781\u7535\u963b\u57fa\u7840<\/h2>\n\n\n\n<p>\u5982\u679c\u6211\u5f00\u59cb\u4e00\u4e2a SiC MOSFET \u95e8\u6781\u7535\u963b\u4f18\u5316\u6307\u5357\uff0c\u7b2c\u4e00\u4e2a\u95ee\u9898\u5f88\u7b80\u5355\uff1a\u95e8\u6781\u7535\u963b\u5b9e\u9645\u4e0a\u63a7\u5236\u4ec0\u4e48\uff1f\u5728\u5b9e\u8df5\u4e2d\uff0cRg \u8bbe\u7f6e\u4e86\u95e8\u6781\u5145\u7535\u548c\u653e\u7535\u7684\u901f\u5ea6\uff0c\u8fd9\u76f4\u63a5\u5f71\u54cd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5f00\u5173\u901f\u5ea6<\/strong><\/li>\n\n\n\n<li><strong>\u5f00\u542f\u548c\u5173\u95ed\u884c\u4e3a<\/strong><\/li>\n\n\n\n<li><strong>\u6ce2\u5f62\u7a33\u5b9a\u6027<\/strong><\/li>\n\n\n\n<li><strong>\u632f\u94c3\u548c\u8fc7\u51b2<\/strong><\/li>\n\n\n\n<li><strong>\u7535\u78c1\u5e72\u6270\u6027\u80fd<\/strong><\/li>\n\n\n\n<li><strong>\u7a7f\u900f\u98ce\u9669<\/strong><\/li>\n<\/ul>\n\n\n\n<p>\u6362\u53e5\u8bdd\u8bf4\uff0cSiC MOSFET \u8bbe\u8ba1\u4e2d\u7684\u95e8\u6781\u7535\u963b\u4e0d\u4ec5\u4ec5\u662f\u4e00\u4e2a\u201c\u5fae\u5c0f\u7535\u963b\u201d\u7684\u9009\u62e9\u3002\u5b83\u5851\u9020\u4e86\u8bbe\u5907\u6bcf\u6b21\u5207\u6362\u65f6\u7684\u884c\u4e3a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"\u5982\u4f55\u8ba1\u7b97\u6805\u6781\u7535\u963b\uff1fIGBT \u6805\u6781\u7535\u963b\u8ba1\u7b97 | MOSFET \u6805\u6781\u7535\u963b\u8ba1\u7b97\" width=\"1290\" height=\"726\" src=\"https:\/\/www.youtube.com\/embed\/BsAN09tsi2U?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Rg \u5b9e\u9645\u4e0a\u505a\u4e86\u4ec0\u4e48<\/h3>\n\n\n\n<p>\u6211\u5c06 Rg \u770b\u4f5c\u662f\u5f00\u5173\u80fd\u91cf\u548c\u566a\u58f0\u7684\u63a7\u5236\u65cb\u94ae\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8f83\u4f4e\u7684 R\uff0c\u8f83\u5feb\u7684\u5f00\u5173\uff0c\u8f83\u4f4e\u7684\u5f00\u5173\u635f\u8017\uff0c\u76f4\u5230\u67d0\u4e2a\u70b9<\/li>\n\n\n\n<li>\u66f4\u9ad8\u7684 dv\/dt\u3002\u5feb\u901f\u7535\u538b\u53d8\u5316\u53ef\u80fd\u4f1a\u8026\u5408\u5230\u95e8\u6781\u5e76\u5bfc\u81f4\u7c73\u52d2\u6548\u5e94\u865a\u5047\u5f00\u542f\u9632\u6b62\u95ee\u9898\u3002<\/li>\n\n\n\n<li>\u66f4\u9ad8\u9891\u7387\u64cd\u4f5c\u3002\u5728\u66f4\u9ad8\u7684\u5f00\u5173\u9891\u7387\u4e0b\uff0c\u7cdf\u7cd5\u7684 Rg \u9009\u62e9\u4f1a\u66f4\u5feb\u5730\u8868\u73b0\u4e3a\u989d\u5916\u7684\u70ed\u91cf\u3001\u7535\u78c1\u5e72\u6270\u548c\u5e94\u529b\u3002<\/li>\n\n\n\n<li>\u5bf9\u5bc4\u751f\u53c2\u6570\u7684\u66f4\u5f3a\u654f\u611f\u6027\u3002\u5728 SiC \u7cfb\u7edf\u4e2d\uff0c\u95e8\u7535\u8def\u4e2d\u7684\u5bc4\u751f\u7535\u611f\u6bd4\u5728\u8f83\u6162\u7684\u7845\u8bbe\u8ba1\u4e2d\u66f4\u4e3a\u91cd\u8981\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u5bbd\u7981\u5e26\u534a\u5bfc\u4f53\u4f18\u5316\u901a\u5e38\u4ece\u95e8\u6781\u7535\u963b\u3001\u5e03\u5c40\u548c\u9a71\u52a8\u5668\u9009\u62e9\u4e00\u8d77\u5f00\u59cb\u2014\u2014\u800c\u4e0d\u662f\u5206\u5f00\u8fdb\u884c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1023\" src=\"https:\/\/www.hiitiosemi.com\/wp-content\/uploads\/2026\/04\/HCD5G16120D-sic-mosfet.webp\" alt=\"\" class=\"wp-image-5464\" style=\"aspect-ratio:1.001001001001001;width:393px;height:auto\" srcset=\"https:\/\/hiitiosemi.b-cdn.net\/wp-content\/uploads\/2026\/04\/HCD5G16120D-sic-mosfet.webp 1024w, https:\/\/hiitiosemi.b-cdn.net\/wp-content\/uploads\/2026\/04\/HCD5G16120D-sic-mosfet-300x300.webp 300w, https:\/\/hiitiosemi.b-cdn.net\/wp-content\/uploads\/2026\/04\/HCD5G16120D-sic-mosfet-150x150.webp 150w, https:\/\/hiitiosemi.b-cdn.net\/wp-content\/uploads\/2026\/04\/HCD5G16120D-sic-mosfet-768x767.webp 768w, https:\/\/hiitiosemi.b-cdn.net\/wp-content\/uploads\/2026\/04\/HCD5G16120D-sic-mosfet-12x12.webp 12w, https:\/\/hiitiosemi.b-cdn.net\/wp-content\/uploads\/2026\/04\/HCD5G16120D-sic-mosfet-500x500.webp 500w, https:\/\/hiitiosemi.b-cdn.net\/wp-content\/uploads\/2026\/04\/HCD5G16120D-sic-mosfet-600x599.webp 600w, https:\/\/hiitiosemi.b-cdn.net\/wp-content\/uploads\/2026\/04\/HCD5G16120D-sic-mosfet-100x100.webp 100w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u5f53 Rg \u9519\u8bef\u65f6\u4f1a\u53d1\u751f\u4ec0\u4e48<\/h3>\n\n\n\n<p>\u5982\u679c\u6211\u8c03\u8c10&nbsp;<strong>Rg<\/strong>&nbsp;\u4e0d\u5f53\uff0c\u75c7\u72b6\u901a\u5e38\u4f1a\u5f88\u5feb\u5728\u6d4b\u8bd5\u53f0\u4e0a\u663e\u73b0\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9519\u8bef\u7684Rg\u8bbe\u7f6e<\/th><th>\u6211\u901a\u5e38\u770b\u5230\u7684<\/th><\/tr><\/thead><tbody><tr><td>\u592a\u4f4e<\/td><td>\u632f\u94c3\u3001\u8fc7\u51b2\u3001\u7535\u78c1\u5e72\u6270\u3001\u9519\u8bef\u5f00\u901a\u3001\u6805\u6781\u5c16\u5cf0<\/td><\/tr><tr><td>\u592a\u9ad8<\/td><td>\u8fb9\u7f18\u7f13\u6162\u3001\u66f4\u9ad8\u7684\u5f00\u5173\u635f\u8017\u3001\u66f4\u591a\u7684\u70ed\u91cf<\/td><\/tr><tr><td>\u5f00\u901a\u548c\u5173\u65ad\u4e4b\u95f4\u5339\u914d\u4e0d\u826f<\/td><td>\u884c\u4e3a\u4e0d\u5747\u5300\u3001\u538b\u529b\u3001\u53ef\u80fd\u7684\u7a7f\u900f\u98ce\u9669<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u5e38\u89c1\u8b66\u544a\u4fe1\u53f7<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8fc7\u70ed<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u66f4\u591a\u7684\u5f00\u5173\u635f\u8017<\/li>\n\n\n\n<li>\u66f4\u9ad8\u7684\u7ed3\u6e29<\/li>\n\n\n\n<li>\u6548\u7387\u964d\u4f4e<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u632f\u94c3<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u5f00\u5173\u540eVgs\u6216Vds\u632f\u8361<\/li>\n\n\n\n<li>\u53ef\u80fd\u4f1a\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\u635f\u574f\u8bbe\u5907<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7535\u78c1\u5e72\u6270\u95ee\u9898<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u66f4\u96be\u901a\u8fc7\u5408\u89c4\u9650\u5236<\/li>\n\n\n\n<li>\u9700\u8981\u66f4\u591a\u8fc7\u6ee4<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7a7f\u900f\u98ce\u9669<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u5728\u534a\u6865\u7535\u8def\u4e2d\uff0c\u4e00\u4e2a\u8bbe\u5907\u53ef\u80fd\u4f1a\u8fc7\u65e9\u5f00\u542f<\/li>\n\n\n\n<li>\u901a\u5e38\u4e0e...\u76f8\u5173&nbsp;<strong>\u7c73\u52d2\u6548\u5e94\u865a\u5047\u5f00\u542f\u9632\u6b62<\/strong>&nbsp;\u6545\u969c<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u8fd9\u5728\u5b9e\u9645\u7cfb\u7edf\u4e2d\u4e3a\u4f55\u91cd\u8981<\/h3>\n\n\n\n<p>\u5728\u4e00\u4e2a&nbsp;<strong>\u7535\u529b\u7535\u5b50\u6548\u7387\u63d0\u5347<\/strong>&nbsp;\u8bbe\u8ba1\u4e2d\uff0c\u5408\u9002\u7684\u6805\u6781\u7535\u963b\u5e2e\u52a9\u6211\u627e\u5230\u4e2d\u95f4\u5730\u5e26\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8db3\u591f\u5feb\u4ee5\u51cf\u5c11\u635f\u8017<\/li>\n\n\n\n<li>\u8db3\u591f\u6162\u4ee5\u4fdd\u6301\u7a33\u5b9a\u5f00\u5173<\/li>\n\n\n\n<li>\u8db3\u591f\u53ef\u63a7\u4ee5\u5e94\u5bf9\u7535\u78c1\u5e72\u6270\u548c\u957f\u671f\u53ef\u9760\u6027<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u79cd\u5e73\u8861\u5728\u9ad8\u9891SiC\u5f00\u5173\u6027\u80fd\u5e94\u7528\u4e2d\u5c24\u4e3a\u91cd\u8981\uff0c\u5982\u7535\u52a8\u6c7d\u8f66\u9006\u53d8\u5668\u3001\u592a\u9633\u80fd\u9006\u53d8\u5668\u548c\u5de5\u4e1a\u7535\u52a8\u673a\u9a71\u52a8\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/www.hiitiosemi.com\/wp-content\/uploads\/2026\/05\/SiC-MOSFET_vs-Si-IGBT-Topdiode.webp\" alt=\"\" class=\"wp-image-5718\" srcset=\"https:\/\/hiitiosemi.b-cdn.net\/wp-content\/uploads\/2026\/05\/SiC-MOSFET_vs-Si-IGBT-Topdiode.webp 700w, https:\/\/hiitiosemi.b-cdn.net\/wp-content\/uploads\/2026\/05\/SiC-MOSFET_vs-Si-IGBT-Topdiode-300x171.webp 300w, https:\/\/hiitiosemi.b-cdn.net\/wp-content\/uploads\/2026\/05\/SiC-MOSFET_vs-Si-IGBT-Topdiode-18x10.webp 18w, https:\/\/hiitiosemi.b-cdn.net\/wp-content\/uploads\/2026\/05\/SiC-MOSFET_vs-Si-IGBT-Topdiode-600x343.webp 600w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u5feb\u901f\u603b\u7ed3<\/h3>\n\n\n\n<p>\u5982\u679c\u6211\u5fc5\u987b\u5c06\u5176\u7b80\u5316\u4e3a\u4e00\u53e5\u8bdd\uff1a<\/p>\n\n\n\n<p><strong>Rg\u63a7\u5236SiC MOSFET\u7684\u5f00\u5173\u901f\u5ea6\uff0c\u7531\u4e8eSiC\u975e\u5e38\u5feb\u901f\uff0c\u5373\u4f7f\u662f\u5c0f\u7684Rg\u53d8\u5316\u4e5f\u4f1a\u5f3a\u70c8\u5f71\u54cd\u635f\u8017\u3001\u566a\u58f0\u548c\u53ef\u9760\u6027\u3002<\/strong><\/p>\n\n\n\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4f1a\u5728\u66f4\u6539\u7535\u963b\u503c\u4e4b\u524d\u4e00\u8d77\u67e5\u770b\u8bbe\u5907\u3001\u9a71\u52a8\u5668\u548c\u5e03\u5c40\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SiC MOSFET\u6805\u6781\u7535\u963b\u4f18\u5316\u7684\u56e0\u7d20<\/h2>\n\n\n\n<p>\u5f53\u6211\u8c03\u6574\u65f6&nbsp;<strong>SiC MOSFET \u95e8\u7535\u963b<\/strong>\uff0c\u6211\u4ece\u90a3\u4e9b\u6700\u80fd\u6539\u53d8\u5f00\u5173\u901f\u5ea6\u7684\u90e8\u5206\u5f00\u59cb\u3002\u5728\u5b9e\u9645\u8bbe\u8ba1\u4e2d\uff0c&nbsp;<strong>\u95e8\u7535\u8377\u548c\u7535\u5bb9<\/strong>&nbsp;\u975e\u5e38\u91cd\u8981\uff0c\u5c24\u5176\u662f&nbsp;<strong>Ciss<\/strong>&nbsp;\u548c&nbsp;<strong>Crss<\/strong>\u3002Ciss \u5f71\u54cd\u6211\u9700\u8981\u591a\u5c11\u9a71\u52a8\u529f\u7387\u6765\u79fb\u52a8\u95e8\uff0c\u800c Crss \u6216\u8005&nbsp;<strong>\u7c73\u52d2\u7535\u5bb9<\/strong>\uff0c\u53ef\u4ee5\u5728\u9ad8 dv\/dt \u4e8b\u4ef6\u4e2d\u51cf\u6162\u5f00\u5173\u901f\u5ea6\u5e76\u89e6\u53d1\u4e0d\u5fc5\u8981\u7684\u5f00\u542f\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48&nbsp;<strong>\u95e8\u7535\u8377\u548c\u7535\u5bb9 (Ciss, Crss) \u5f71\u54cd<\/strong>&nbsp;\u5728&nbsp;<strong>\u5bbd\u5e26\u9699\u534a\u5bfc\u4f53\u4f18\u5316\u4e2d<\/strong>.<\/p>\n\n\n\n<p>\u4e00\u4e2a\u66f4\u5927\u7684\u95e8\u7535\u963b\u901a\u5e38\u4f1a\u51cf\u6162\u8fb9\u7f18\u901f\u7387\uff0c\u8fd9\u53ef\u4ee5\u5e2e\u52a9&nbsp;<strong>SiC MOSFET \u7684 EMI \u7f13\u89e3<\/strong>\uff0c\u4f46\u5b83\u4e5f\u4f1a\u589e\u52a0\u5f00\u5173\u635f\u8017\u3002\u4e00\u4e2a\u66f4\u5c0f\u7684\u7535\u963b\u4f1a\u52a0\u5feb\u901f\u5ea6\uff0c\u8fd9\u53ef\u4ee5\u63d0\u9ad8&nbsp;<strong>\u7535\u529b\u7535\u5b50\u6548\u7387<\/strong>\uff0c\u4f46\u5b83\u4e5f\u53ef\u80fd\u589e\u52a0\u632f\u94c3\u548c\u8fc7\u51b2\u3002\u5bf9\u4e8e&nbsp;<strong>\u9ad8\u9891 SiC \u5f00\u5173\u6027\u80fd<\/strong>\uff0c\u6211\u8bd5\u56fe\u627e\u5230\u635f\u8017\u4fdd\u6301\u4f4e\u800c\u4e0d\u4f7f\u6ce2\u5f62\u6df7\u4e71\u7684\u70b9\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9a71\u52a8\u5668\u9650\u5236\u5f88\u91cd\u8981<\/h3>\n\n\n\n<p>\u8be5&nbsp;<strong>\u6805\u6781\u9a71\u52a8\u5668\u4f18\u5316\u6280\u672f<\/strong>&nbsp;\u6211\u603b\u662f\u4f9d\u8d56\u4e8e\u9a71\u52a8\u5668\u7684\u5b9e\u9645\u6e90\u7535\u6d41\u548c\u6f0f\u7535\u6d41\u3002\u5982\u679c\u9a71\u52a8\u5668\u65e0\u6cd5\u63d0\u4f9b\u8db3\u591f\u7684\u7535\u6d41\uff0c\u90a3\u4e48\u65e0\u8bba\u6211\u5982\u4f55\u8bbe\u7f6eRg\uff0c\u6805\u6781\u7684\u5207\u6362\u901f\u5ea6\u90fd\u4f1a\u53d8\u6162\u3002\u8fd9\u610f\u5473\u7740\u9a71\u52a8\u5668\u548c\u7535\u963b\u5fc5\u987b\u534f\u540c\u5de5\u4f5c\u3002<\/p>\n\n\n\n<p>\u6211\u68c0\u67e5\u7684\u5173\u952e\u9650\u5236\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6e90\/\u6f0f\u7535\u6d41\u989d\u5b9a\u503c<\/strong><\/li>\n\n\n\n<li><strong>\u6b63\u8d1f\u95e8\u7535\u538b\u80fd\u529b<\/strong><\/li>\n\n\n\n<li><strong>\u6b20\u538b\u9501\u5b9a\u9608\u503c<\/strong><\/li>\n\n\n\n<li><strong>\u4f20\u64ad\u5ef6\u8fdf<\/strong><\/li>\n\n\n\n<li><strong>\u7c73\u52d2\u94b3\u4f4d\u652f\u6301<\/strong><\/li>\n<\/ul>\n\n\n\n<p>\u5728\u8bb8\u591a&nbsp;<strong>\u78b3\u5316\u7845MOSFET\u8bbe\u8ba1\u4e2d<\/strong>&nbsp;\u60c5\u51b5\u4e0b\uff0c\u6211\u8fd8\u4f7f\u7528\u5355\u72ec\u7684\u503c\u6765&nbsp;<strong>Rg_on<\/strong>&nbsp;\u548c&nbsp;<strong>Rg_off<\/strong>\u3002\u8fd9\u8ba9\u6211\u5bf9\u5f00\u542f\u901f\u5ea6\u3001\u5173\u95ed\u901f\u5ea6\u6709\u66f4\u591a\u7684\u63a7\u5236\uff0c\u548c&nbsp;<strong>\u7c73\u52d2\u6548\u5e94\u865a\u5047\u5f00\u542f\u9632\u6b62<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u95e8\u73af\u8def\u5bc4\u751f\u7535\u611f<\/h3>\n\n\n\n<p>\u95e8\u73af\u8def\u4ece\u6765\u4e0d\u662f\u7406\u60f3\u7684\u3002&nbsp;<strong>\u95e8\u7535\u8def\u4e2d\u7684\u5bc4\u751f\u7535\u611f<\/strong>&nbsp;\u548c\u5c0f\u7684\u7535\u963b\u5dee\u5f02\u53ef\u4ee5\u4ea7\u751f\u632f\u94c3\u3001\u8fc7\u51b2\u548c\u4e0d\u7a33\u5b9a\u884c\u4e3a\u3002\u5728\u57fa\u4e8e\u6a21\u5757\u7684\u8bbe\u8ba1\u4e2d\uff0c\u5c01\u88c5\u7535\u611f\u548c\u5185\u90e8\u5f15\u7ebf\u8def\u5f84\u53ef\u80fd\u4f7fRg\u7684\u611f\u89c9\u4e0e\u7eb8\u9762\u4e0a\u7684\u503c\u975e\u5e38\u4e0d\u540c\u3002<\/p>\n\n\n\n<p>\u6211\u5bc6\u5207\u5173\u6ce8\u7684\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u95e8\u8def\u5f84\u4e2d\u7684\u73af\u8def\u7535\u611f<\/li>\n\n\n\n<li>\u51ef\u5c14\u6587\u6e90\u7684\u53ef\u7528\u6027<\/li>\n\n\n\n<li>\u5c01\u88c5\u548c\u6a21\u5757\u5bc4\u751f\u7535\u5bb9<\/li>\n\n\n\n<li>\u6805\u6781\u8d70\u7ebf\u957f\u5ea6\u548c\u56de\u6d41\u8def\u5f84\u8d28\u91cf<\/li>\n<\/ul>\n\n\n\n<p>\u5e72\u51c0\u7684\u5e03\u5c40\u5f80\u5f80\u6bd4\u4ec5\u4ec5\u589e\u52a0Rg\u66f4\u6709\u5e2e\u52a9\u3002\u5728\u5b9e\u8df5\u4e2d\uff0c&nbsp;<strong>\u6805\u6781\u7535\u8def\u4e2d\u7684\u5bc4\u751f\u7535\u611f<\/strong>&nbsp;\u53ef\u80fd\u662f\u4e00\u4e2a\u597d\u7684SiC\u5668\u4ef6\u4ecd\u7136\u5207\u6362\u4e0d\u826f\u7684\u4e3b\u8981\u539f\u56e0\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6e29\u5ea6\u548c\u5de5\u4f5c\u70b9<\/h3>\n\n\n\n<p>\u6211\u8fd8\u4f1a\u6839\u636e\u5de5\u4f5c\u6761\u4ef6\u6539\u53d8\u6211\u7684Rg\u76ee\u6807\u3002\u5728\u8f7b\u8d1f\u8f7d\u4e0b\u6709\u6548\u7684\u8bbe\u7f6e\u53ef\u80fd\u5728\u6ee1\u7535\u6d41\u3001\u9ad8\u603b\u7ebf\u7535\u538b\u6216\u9ad8\u7ed3\u6e29\u4e0b\u65e0\u6cd5\u4fdd\u6301\u3002\u8fd9\u5bf9MOSFET\u70ed\u7ba1\u7406\u7b56\u7565\u548cSiC\u5668\u4ef6\u53ef\u9760\u6027\u63d0\u5347\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n<p>\u6211\u901a\u5e38\u5728\u4ee5\u4e0b\u60c5\u51b5\u4e0b\u91cd\u65b0\u68c0\u67e5Rg\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8d1f\u8f7d\u7535\u6d41\u4e0a\u5347<\/li>\n\n\n\n<li>\u603b\u7ebf\u7535\u538b\u4e0a\u5347<\/li>\n\n\n\n<li>\u7ed3\u6e29\u5347\u9ad8<\/li>\n\n\n\n<li>\u5f00\u5173\u9891\u7387\u53d8\u5316<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e9b\u53d8\u5316\u53ef\u80fd\u4f1a\u6539\u53d8\u5f00\u5173\u901f\u5ea6\u3001\u8fc7\u51b2\u548c\u8bef\u89e6\u53d1\u7684\u98ce\u9669\u3002\u8fd9\u5728\u4e2d\u56fd\u7684\u5de5\u4e1a\u548c\u80fd\u6e90\u7cfb\u7edf\u4e2d\u5c24\u5176\u91cd\u8981\uff0c\u56e0\u4e3a\u6b63\u5e38\u8fd0\u884c\u65f6\u95f4\u548c\u6548\u7387\u90fd\u5f88\u91cd\u8981\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5408\u89c4\u6027\u548c\u73b0\u5b9e\u9650\u5236<\/h3>\n\n\n\n<p>\u5728\u4e2d\u56fd\u5e02\u573a\uff0c\u6211\u901a\u5e38\u9700\u8981\u5728\u6548\u7387\u4e0eEMI\u89c4\u5219\u548c\u7cfb\u7edf\u566a\u58f0\u9650\u5236\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\u3002\u5728\u5b9e\u9a8c\u5ba4\u770b\u8d77\u6765\u5f88\u597d\u7684\u8bbe\u8ba1\u5728\u5b9e\u9645\u5916\u58f3\u3001\u957f\u7535\u7f06\u6216\u5176\u4ed6\u8bbe\u5907\u65c1\u8fb9\u4ecd\u53ef\u80fd\u5931\u8d25\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48SiC MOSFET\u7684EMI\u7f13\u89e3\u662fRg\u51b3\u7b56\u7684\u4e00\u90e8\u5206\uff0c\u800c\u4e0d\u662f\u4e8b\u540e\u8003\u8651\u3002<\/p>\n\n\n\n<p>\u6211\u8fd8\u4f1a\u5173\u6ce8\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6548\u7387\u76ee\u6807<\/li>\n\n\n\n<li>EMI\u6ee4\u6ce2\u5668\u6210\u672c<\/li>\n\n\n\n<li>\u70ed\u5347\u9ad8\u9650\u5236<\/li>\n\n\n\n<li>\u533a\u57df\u5408\u89c4\u671f\u671b<\/li>\n\n\n\n<li>\u957f\u671f\u53ef\u9760\u6027\u88d5\u5ea6<\/li>\n<\/ul>\n\n\n\n<p>\u5bf9\u4e8e\u50cf&nbsp;<strong><a href=\"https:\/\/www.hiitiosemi.com\/product\/ed3-1700v-600a-sic-power-module\/\">1700V 600A SiC\u529f\u7387\u6a21\u5757<\/a><\/strong>\u8fd9\u6837\u7684\u9ad8\u529f\u7387\u5e73\u53f0\uff0c\u8fd9\u4e9b\u6743\u8861\u53d8\u5f97\u66f4\u52a0\u91cd\u8981\uff0c\u56e0\u4e3a\u5c0f\u7684Rg\u53d8\u5316\u4f1a\u540c\u65f6\u5f71\u54cd\u635f\u8017\u3001\u566a\u58f0\u548c\u5e94\u529b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5feb\u901f\u8981\u70b9<\/h3>\n\n\n\n<p>\u5bf9\u6211\u6765\u8bf4\uff0c\u529f\u7387\u6a21\u5757\u7684\u6700\u4f73Rg\u8ba1\u7b97\u65b9\u6cd5\u59cb\u7ec8\u5f52\u7ed3\u4e3a\u56db\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5668\u4ef6\u7535\u5bb9\u548c\u6805\u6781\u7535\u8377<\/strong><\/li>\n\n\n\n<li><strong>\u9a71\u52a8\u7535\u6d41\u548c\u7535\u538b\u9650\u5236<\/strong><\/li>\n\n\n\n<li><strong>\u5e03\u5c40\u548c\u5c01\u88c5\u4e2d\u7684\u5bc4\u751f\u7535\u611f<\/strong><\/li>\n\n\n\n<li><strong>\u5b9e\u9645\u64cd\u4f5c\u6761\u4ef6\u548c\u5408\u89c4\u76ee\u6807<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u5982\u679c\u6211\u5ffd\u7565\u5176\u4e2d\u4efb\u4f55\u4e00\u4e2a\uff0c\u6700\u7ec8\u7684\u8c03\u8bd5\u901a\u5e38\u4f1a\u504f\u79bb\u76ee\u6807\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6805\u6781\u9a71\u52a8\u8bbe\u8ba1\u5bf9SiC MOSFET\u6805\u6781\u7535\u963b\u4f18\u5316\u6307\u5357\u7684\u5f71\u54cd<\/h2>\n\n\n\n<p>\u6805\u6781\u9a71\u52a8\u5668\u51b3\u5b9a\u4e86SiC MOSFET\u7684\u884c\u4e3a\u3002\u5728\u6211\u7684\u7ecf\u9a8c\u4e2d\uff0c\u5982\u679c\u9a71\u52a8\u5668\u8f83\u5f31\uff0c\u6574\u4e2a\u6805\u6781\u7535\u963b\u8bbe\u7f6e\u5c31\u5f88\u96be\u63a7\u5236\u3002\u4e00\u4e2a\u597d\u7684\u9a71\u52a8\u5668\u8ba9\u6211\u5b9e\u73b0\u66f4\u7d27\u51d1\u7684\u5f00\u5173\u3001\u66f4\u4f4e\u7684\u635f\u8017\u548c\u66f4\u5c11\u7684\u610f\u5916\u3002\u8fd9\u5728\u7845\u78b3\u5316MOSFET\u8bbe\u8ba1\u4e2d\u975e\u5e38\u91cd\u8981\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u90e8\u4ef6\u5207\u6362\u901f\u5ea6\u5feb\uff0c\u5bf9\u7c97\u7cd9\u7684\u6805\u6781\u63a7\u5236\u975e\u5e38\u654f\u611f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9009\u62e9\u5408\u9002\u7684SiC\u9a71\u52a8\u5668<\/h3>\n\n\n\n<p>\u9002\u7528\u4e8e&nbsp;<strong>SiC MOSFET\u6805\u6781\u7535\u963b\u4f18\u5316<\/strong>\uff0c\u6211\u9996\u5148\u5173\u6ce8\u4e09\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6e90\/\u6f0f\u7535\u6d41\uff1a\u66f4\u5f3a\u7684\u9a71\u52a8\u5668\u53ef\u4ee5\u66f4\u5feb\u5730\u7ed9\u6805\u6781\u5145\u7535\u548c\u653e\u7535\uff0c\u8fd9\u652f\u6301\u9ad8\u9891SiC\u5207\u6362\u6027\u80fd\u3002<\/li>\n\n\n\n<li>\u8d1f\u6805\u6781\u504f\u7f6e\u80fd\u529b\uff1a\u8fd9\u6709\u52a9\u4e8e\u9632\u6b62\u7c73\u52d2\u6548\u5e94\u865a\u5047\u5f00\u542f\uff0c\u5c24\u5176\u662f\u5728dv\/dt\u8f83\u9ad8\u65f6\u3002<\/li>\n\n\n\n<li>UVLO\u4fdd\u62a4\uff1a\u6b20\u538b\u9501\u5b9a\u9632\u6b62\u95e8\u9a71\u52a8\u5728\u5f31\u6216\u4e0d\u7a33\u5b9a\u7684\u8303\u56f4\u5185\u5de5\u4f5c\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5177\u6709\u5f3a\u5927\u6e90\/\u6f0f\u7535\u6d41\u80fd\u529b\u7684\u9a71\u52a8\u5668\u8ba9\u6211\u5728\u8c03\u6574Rg\u65f6\u6709\u66f4\u591a\u81ea\u7531\uff0c\u800c\u4e0d\u4f1a\u9047\u5230\u8fdf\u7f13\u7684\u5f00\u5173\u6216\u989d\u5916\u7684\u70ed\u91cf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u963b\u5c3c\u548c\u963b\u6297\u5339\u914d<\/h3>\n\n\n\n<p>\u6211\u901a\u5e38\u907f\u514d\u5c06\u4e00\u4e2a\u95e8\u7535\u963b\u89c6\u4e3a\u6240\u6709\u95ee\u9898\u7684\u7b54\u6848\u3002\u76f8\u53cd\uff0c\u6211\u4f1a\u5206\u5f00\u8def\u5f84\u5e76\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n\n\n\n<p>\u5e38\u89c1\u7684\u95e8\u9a71\u52a8\u5668\u4f18\u5316\u6280\u672f\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5206\u5f00\u5f00\u542f\u548c\u5173\u95ed\u7535\u963b\u3002\u8fd9\u8ba9\u6211\u53ef\u4ee5\u5728\u4e0d\u5f71\u54cd\u53e6\u4e00\u8fb9\u7684\u60c5\u51b5\u4e0b\u51cf\u6162\u4e00\u4e2a\u8fb9\u7f18\u3002<\/li>\n\n\n\n<li>\u95e8\u4e8c\u6781\u7ba1\u7f51\u7edc\u3002\u8fd9\u4e9b\u53ef\u4ee5\u5728\u4e00\u4e2a\u65b9\u5411\u4e0a\u7ed5\u8fc7\u90e8\u5206\u7535\u963b\uff0c\u5e76\u5e2e\u52a9\u00a0<strong>\u51cf\u5c11SiC\u5668\u4ef6\u7684\u5f00\u5173\u635f\u8017\u3002<\/strong>.<\/li>\n\n\n\n<li>\u5c0f\u7684\u963b\u5c3c\u8c03\u6574\u3002\u4e00\u70b9\u963b\u5c3c\u53ef\u4ee5\u5e73\u606f\u632f\u94c3\u800c\u4e0d\u5f71\u54cd\u901f\u5ea6\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u79cd\u65b9\u6cd5\u5728\u6211\u9700\u8981\u5728SiC MOSFET\u7684EMI\u7f13\u89e3\u548c\u6548\u7387\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u91cd\u8981\u7684\u90e8\u4ef6<\/h3>\n\n\n\n<p>\u6211\u5bc6\u5207\u5173\u6ce8\u6574\u4e2a\u95e8\u8def\u5f84\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u7535\u963b\u503c\u3002\u9519\u8bef\u7684\u90e8\u4ef6\u6216\u4e0d\u826f\u7684\u653e\u7f6e\u53ef\u80fd\u4f1a\u7834\u574f\u6574\u4e2a\u8bbe\u8ba1\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9879\u76ee<\/th><th>\u6211\u68c0\u67e5\u7684\u5185\u5bb9<\/th><th>\u4e3a\u4ec0\u4e48\u8fd9\u5f88\u91cd\u8981<\/th><\/tr><\/thead><tbody><tr><td>\u9a71\u52a8IC<\/td><td>\u8f93\u51fa\u7535\u6d41\uff0cUVLO\uff0c\u8d1f\u504f\u7f6e<\/td><td>\u4fdd\u6301\u95e8\u9a71\u52a8\u7a33\u5b9a<\/td><\/tr><tr><td>\u7535\u963b\u7c7b\u578b<\/td><td>\u4f4e\u7535\u611f\uff0c\u529f\u7387\u989d\u5b9a\u503c\uff0c\u5bb9\u5dee<\/td><td>\u5f71\u54cd\u963b\u5c3c\u548c\u91cd\u590d\u6027<\/td><\/tr><tr><td>\u653e\u7f6e<\/td><td>\u9760\u8fd1\u95e8\u5f15\u811a<\/td><td>\u51cf\u5c11&nbsp;<strong>\u6805\u6781\u7535\u8def\u4e2d\u7684\u5bc4\u751f\u7535\u611f<\/strong><\/td><\/tr><tr><td>\u51ef\u5c14\u6587\u6e90<\/td><td>\u5355\u72ec\u7684\u56de\u8def\u8def\u5f84<\/td><td>\u6539\u5584\u63a7\u5236\u5e76\u51cf\u5c11\u566a\u58f0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u5bf9\u4e8e\u57fa\u4e8e\u6a21\u5757\u7684\u8bbe\u8ba1\uff0c\u6211\u8fd8\u786e\u4fdd\u5e03\u5c40\u652f\u6301\u529f\u7387\u6a21\u5757\u7684Rg\u8ba1\u7b97\u65b9\u6cd5\u3002\u5982\u679c\u95e8\u73af\u8def\u6df7\u4e71\uff0c\u4ec5\u9760\u7535\u963b\u503c\u662f\u65e0\u6cd5\u89e3\u51b3\u7684\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u4e2a\u5b9e\u9645\u7684\u4f8b\u5b50<\/h3>\n\n\n\n<p>\u5728\u4e00\u4e2a\u6a21\u5757\u5f0f\u8bbe\u8ba1\u4e2d\uff0c\u6211\u770b\u5230\u4e00\u4e2a\u7b80\u5355\u7684\u95e8\u9a71\u52a8\u5668\u66f4\u6539\u63d0\u9ad8\u4e86\u6548\u7387\u548c\u7535\u78c1\u5e72\u6270\uff08EMI\uff09\u3002\u6211\u4eec\u4f7f\u7528\u4e86\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e00\u4e2a\u66f4\u5f3a\u7684\u9a71\u52a8\u5668\uff0c<\/li>\n\n\n\n<li>\u5206\u5f00\u7684\u5f00\u5173\u7535\u963b\uff0c<\/li>\n\n\n\n<li>\u4ee5\u53ca\u4e00\u4e2a\u51ef\u5c14\u6587\u6e90\u56de\u8def\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u79cd\u8bbe\u7f6e\u51cf\u5c11\u4e86\u632f\u94c3\uff0c\u964d\u4f4e\u4e86\u8bef\u89e6\u53d1\u98ce\u9669\uff0c\u5e76\u5e2e\u52a9\u56e2\u961f\u5728\u4e0d\u589e\u52a0\u5927\u6ee4\u6ce2\u9636\u6bb5\u7684\u60c5\u51b5\u4e0b\u964d\u4f4e\u4e86\u5f00\u5173\u635f\u8017\u3002\u5f53\u9a71\u52a8\u5668\u548cRg\u5339\u914d\u826f\u597d\u800c\u4e0d\u662f\u5b64\u7acb\u9009\u62e9\u65f6\uff0c\u8fd9\u79cd\u7ed3\u679c\u662f\u5f88\u5e38\u89c1\u7684\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u56f4\u7ed5\u5bbd\u5e26\u9699\u534a\u5bfc\u4f53\u4f18\u5316\u6784\u5efa\u7684\u56e2\u961f\u6765\u8bf4\uff0c\u8fd9\u901a\u5e38\u662f\u63d0\u9ad8\u6027\u80fd\u800c\u4e0d\u6539\u53d8\u529f\u7387\u9636\u6bb5\u7684\u6700\u5feb\u65b9\u6cd5\u4e4b\u4e00\u3002\u5982\u679c\u60a8\u8fd8\u5728\u5173\u6ce8\u6a21\u5757\u8d28\u91cf\u548c\u73b0\u573a\u53ef\u9760\u6027\uff0cHIITIO\u5173\u4e8e\u00a0<a href=\"https:\/\/www.hiitiosemi.com\/blog\/reliability-testing-of-power-modules\/\">\u529f\u7387\u6a21\u5757\u53ef\u9760\u6027\u6d4b\u8bd5<\/a>\u00a0\u7684\u9875\u9762\u662f\u4e00\u4e2a\u6709\u7528\u7684\u53c2\u8003\u70b9\uff0c\u8bf4\u660e\u8fd9\u4e9b\u8bbe\u8ba1\u9009\u62e9\u5982\u4f55\u5f71\u54cd\u957f\u671f\u8010\u7528\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5728SiC MOSFET\u95e8\u7535\u963b\u4f18\u5316\u6307\u5357\u4e2d\u5bc4\u751f\u7535\u611f\u548c\u7535\u5bb9\u7684\u4f5c\u7528<\/h2>\n\n\n\n<p>\u5f53\u6211\u8c03\u6574SiC MOSFET\u95e8\u7535\u963b\u65f6\uff0c\u6211\u603b\u662f\u9996\u5148\u5173\u6ce8\u5bc4\u751f\u6548\u5e94\u3002\u5728\u5feb\u901f\u5207\u6362\u7684\u5bbd\u5e26\u9699\u534a\u5bfc\u4f53\u4f18\u5316\u4e2d\uff0c\u5373\u4f7f\u662f\u5c11\u91cf\u989d\u5916\u7684\u7535\u611f\u6216\u7535\u5bb9\u4e5f\u4f1a\u6539\u53d8\u6574\u4e2a\u6ce2\u5f62\u3002\u8fd9\u5728\u4e2d\u56fd\u5e02\u573a\u975e\u5e38\u91cd\u8981\uff0c\u56e0\u4e3a\u56e2\u961f\u901a\u5e38\u5728\u4e0d\u653e\u5f03SiC MOSFET\u7684\u7535\u78c1\u5e72\u6270\uff08EMI\uff09\u7f13\u89e3\u6216\u53ef\u9760\u6027\u7684\u60c5\u51b5\u4e0b\uff0c\u63a8\u52a8\u9ad8\u9891SiC\u5207\u6362\u6027\u80fd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u95e8\u73af\u8def\u632f\u94c3\u548c\u8fc7\u51b2<\/h3>\n\n\n\n<p>\u95e8\u73af\u8def\u4e0d\u4ec5\u4ec5\u662f\u7535\u963b\u548c\u9a71\u52a8\u5668\u3002\u5b83\u8fd8\u5305\u62ec\u8d70\u7ebf\u7535\u611f\u3001\u5c01\u88c5\u7535\u611f\u548c\u5668\u4ef6\u81ea\u8eab\u7684\u7535\u5bb9\u3002\u5f53\u95e8\u73af\u8def\u7535\u611f\u4e0eRg\u7ed3\u5408\u65f6\uff0c\u5b83\u53ef\u80fd\u4f1a\u5728\u95e8\u6ce2\u5f62\u4e0a\u4ea7\u751f\u632f\u94c3\u3002\u7b80\u5355\u6765\u8bf4\uff0c\u6211\u53ef\u80fd\u4f1a\u770b\u5230\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Vgs\u8fc7\u51b2<\/strong><\/li>\n\n\n\n<li><strong>Vgs \u4e0b\u964d<\/strong><\/li>\n\n\n\n<li>\u5f00\u5173\u6216\u5173\u95ed\u540e\u989d\u5916\u7684\u632f\u94c3<\/li>\n\n\n\n<li>\u6805\u6781\u7684\u7a33\u5b9a\u901f\u5ea6\u8f83\u6162<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u79cd\u632f\u94c3\u4f1a\u4f7f SiC \u8bbe\u5907\u7684\u5f00\u5173\u635f\u8017\u964d\u4f4e\u53d8\u5f97\u66f4\u96be\u63a7\u5236\u3002\u5b83\u8fd8\u53ef\u80fd\u5bf9\u6805\u6c27\u5316\u7269\u9020\u6210\u538b\u529b\uff0c\u5e76\u964d\u4f4e SiC \u8bbe\u5907\u7684\u957f\u671f\u53ef\u9760\u6027\u63d0\u5347\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u529f\u7387\u73af\u8def\u8026\u5408\u548c\u865a\u5047\u5f00\u542f<\/h3>\n\n\n\n<p>\u529f\u7387\u73af\u8def\u8fd8\u53ef\u4ee5\u5c06\u566a\u58f0\u53cd\u9988\u5230\u6805\u6781\u3002\u8fd9\u5c31\u662f\u7c73\u52d2\u6548\u5e94\u865a\u5047\u5f00\u542f\u9884\u9632\u95ee\u9898\u51fa\u73b0\u7684\u5730\u65b9\u3002\u6392\u6c34\u53e3\u7684\u9ad8 dv\/dt \u53ef\u4ee5\u901a\u8fc7 Crss \u8026\u5408\u5e76\u5c06\u7535\u6d41\u6ce8\u5165\u6805\u6781\u3002\u5982\u679c\u5e03\u5c40\u8f83\u5f31\uff0c\u6ce8\u5165\u7684\u7535\u8377\u53ef\u80fd\u4f1a\u63d0\u5347 Vgs\uff0c\u8db3\u4ee5\u4ea7\u751f\u865a\u5047\u5f00\u542f\u3002<\/p>\n\n\n\n<p>\u5f53\u4ee5\u4e0b\u60c5\u51b5\u53d1\u751f\u65f6\uff0c\u8fd9\u79cd\u98ce\u9669\u4f1a\u52a0\u5267\uff1a <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8d1f\u8f7d\u7535\u6d41\u8f83\u5927<\/li>\n\n\n\n<li>\u7ed3\u6e29\u5347\u9ad8<\/li>\n<\/ul>\n\n\n\n<p>\u5728\u7535\u673a\u9a71\u52a8\u548c\u9006\u53d8\u5668\u6a21\u5757\u4e2d\uff0c\u6211\u5c06\u5176\u89c6\u4e3a\u771f\u6b63\u7684\u7a7f\u900f\u98ce\u9669\uff0c\u800c\u4e0d\u662f\u7406\u8bba\u95ee\u9898\u3002\u5b83\u53ef\u80fd\u4f1a\u635f\u5bb3\u7535\u529b\u7535\u5b50\u6548\u7387\u7684\u63d0\u5347\uff0c\u5e76\u8fc5\u901f\u589e\u52a0\u70ed\u5e94\u529b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9e\u9645\u6709\u6548\u7684\u5e03\u5c40\u4fee\u590d<\/h3>\n\n\n\n<p>\u6700\u4f73\u4fee\u590d\u901a\u5e38\u662f\u5e03\u5c40\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u66f4\u5927\u7684\u7535\u963b\u3002\u6211\u4e13\u6ce8\u4e8e\u8fd9\u4e9b\u57fa\u672c\u539f\u5219\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4fdd\u6301\u6805\u6781\u73af\u8def\u77ed<\/strong><\/li>\n\n\n\n<li><strong>\u4f7f\u56de\u8def\u8def\u5f84\u7d27\u51d1<\/strong><\/li>\n\n\n\n<li><strong>\u4f7f\u7528\u51ef\u5c14\u6587\u6e90\u8fde\u63a5<\/strong><\/li>\n\n\n\n<li><strong>\u5206\u79bb\u529f\u7387\u548c\u6805\u6781\u7535\u6d41<\/strong><\/li>\n\n\n\n<li><strong>\u5728\u5408\u9002\u7684\u5730\u65b9\u6dfb\u52a0\u5c4f\u853d<\/strong><\/li>\n\n\n\n<li><strong>\u5c06\u6805\u6781\u7535\u963b\u653e\u7f6e\u5728\u9760\u8fd1 SiC MOSFET \u6805\u6781\u5f15\u811a\u7684\u4f4d\u7f6e<\/strong><\/li>\n<\/ul>\n\n\n\n<p> \u70ed\u7ba1\u7406\u7b56\u7565\uff0c\u56e0\u4e3a\u8f83\u5c11\u7684\u632f\u94c3\u901a\u5e38\u610f\u5473\u7740\u8f83\u5c11\u7684\u5f00\u5173\u70ed\u91cf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9e\u7528\u5e03\u5c40\u4f18\u5148\u7ea7<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u4f18\u5148\u7ea7<\/th><th>\u6211\u7684\u5de5\u4f5c<\/th><th>\u4e3a\u4ec0\u4e48\u8fd9\u5f88\u91cd\u8981<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>\u77ed\u95e8\u73af\u8def<\/td><td>\u51cf\u5c11\u632f\u94c3\u548c\u8fc7\u51b2<\/td><\/tr><tr><td>2<\/td><td>\u51ef\u5c14\u6587\u6e90<\/td><td>\u964d\u4f4e\u5171\u4eab\u6e90\u7535\u611f\u5f15\u8d77\u7684\u8bef\u89e6\u53d1<\/td><\/tr><tr><td>3<\/td><td>\u7d27\u51d1\u7684\u56de\u6d41\u8def\u5f84<\/td><td>\u6539\u5584\u95e8\u4fe1\u53f7\u63a7\u5236<\/td><\/tr><tr><td>4<\/td><td>\u4ed4\u7ec6\u5c4f\u853d<\/td><td>\u964d\u4f4e\u566a\u58f0\u8026\u5408<\/td><\/tr><tr><td>5<\/td><td>\u6e05\u6d01\u7684\u7535\u6e90\u73af\u8def\u5e03\u5c40<\/td><td>\u51cf\u5c11\u7c73\u52d2\u6ce8\u5165<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u8fd9\u5728\u5b9e\u9645\u8bbe\u8ba1\u4e2d\u4e3a\u4f55\u91cd\u8981<\/h3>\n\n\n\n<p>\u5728\u78b3\u5316\u7845MOSFET\u8bbe\u8ba1\u4e2d\uff0c\u5bc4\u751f\u53c2\u6570\u901a\u5e38\u51b3\u5b9a\u8bbe\u8ba1\u662f\u7a33\u5b9a\u8fd8\u662f\u5608\u6742\u3002\u6211\u53ef\u4ee5\u62e5\u6709\u9002\u7528\u4e8e\u529f\u7387\u6a21\u5757\u7684\u201c\u6b63\u786e\u201dRg\u8ba1\u7b97\u65b9\u6cd5\uff0c\u4f46\u5982\u679c\u5e03\u5c40\u4e0d\u4f73\uff0c\u7ed3\u679c\u4ecd\u7136\u4f1a\u504f\u79bb\u76ee\u6807\u3002\u826f\u597d\u7684\u5bc4\u751f\u63a7\u5236\u6709\u52a9\u4e8e\u6211\u83b7\u5f97\u66f4\u597d\u7684EMI\u8868\u73b0\u3001\u66f4\u4f4e\u7684\u8fc7\u51b2\u4ee5\u53ca\u5728\u78b3\u5316\u7845MOSFET\u7684\u53cc\u8109\u51b2\u6d4b\u8bd5\uff08DPT\uff09\u548c\u751f\u4ea7\u786c\u4ef6\u4e2d\u66f4\u7a33\u5b9a\u7684\u5f00\u5173\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u6211\u5728\u8ffd\u6c42\u78b3\u5316\u7845MOSFET\u7684EMI\u7f13\u89e3\uff0c\u6211\u4f1a\u5148\u5173\u6ce8\u5bc4\u751f\u53c2\u6570\uff0c\u7136\u540e\u518d\u5f00\u59cb\u66f4\u6539\u95e8\u7535\u963b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u78b3\u5316\u7845MOSFET\u95e8\u7535\u963b\u4f18\u5316\u6307\u5357\uff1a\u9010\u6b65\u8c03\u4f18<\/h2>\n\n\n\n<p>\u5f53\u6211\u8c03\u6574\u65f6&nbsp;<strong>SiC MOSFET \u95e8\u7535\u963b<\/strong>\u6211\u4ece\u660e\u786e\u7684\u76ee\u6807\u5f00\u59cb\u3002\u5bf9\u4e8e\u5927\u591a\u6570\u4e2d\u56fd\u7684\u7535\u529b\u7535\u5b50\u5de5\u4f5c\uff0c\u8fd9\u610f\u5473\u7740\u5e73\u8861&nbsp;<strong>\u51cf\u5c11SiC\u5668\u4ef6\u7684\u5f00\u5173\u635f\u8017\u3002<\/strong>EMI\u548c\u957f\u671f\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1) \u9996\u5148\u8bbe\u5b9a\u76ee\u6807<\/h3>\n\n\n\n<p>\u5728\u89e6\u78b0\u7535\u963b\u503c\u4e4b\u524d\uff0c\u6211\u5b9a\u4e49\u4e86\u201c\u597d\u201d\u7684\u6807\u51c6\u3002<\/p>\n\n\n\n<p><strong>\u5178\u578b\u7684\u9a8c\u6536\u6807\u51c6\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u635f\u8017\uff1a<\/strong>&nbsp;\u5f00\u5173\u635f\u8017\u4fdd\u6301\u5728\u70ed\u9884\u7b97\u8303\u56f4\u5185<\/li>\n\n\n\n<li><strong>\u7535\u78c1\u5e72\u6270\uff1a<\/strong>&nbsp;\u6ee1\u8db3\u6240\u9700\u7684CISPR\/\u5de5\u4e1a\u7535\u78c1\u5e72\u6270\u76ee\u6807<\/li>\n\n\n\n<li><strong>\u53ef\u9760\u6027\uff1a<\/strong>&nbsp;\u6ca1\u6709\u6805\u6781\u8fc7\u5e94\u529b\u3001\u9519\u8bef\u5f00\u542f\u6216\u4e0d\u5b89\u5168\u7684\u8fc7\u51b2<\/li>\n\n\n\n<li><strong>\u70ed\u7ba1\u7406\uff1a<\/strong>&nbsp;\u5728\u6700\u574f\u60c5\u51b5\u4e0b\u8d1f\u8f7d\u671f\u95f4\uff0c\u7ed3\u6e29\u4fdd\u6301\u5728\u8303\u56f4\u5185<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u5728\u5bbd\u7981\u5e26\u534a\u5bfc\u4f53\u4f18\u5316\u4e2d\u975e\u5e38\u91cd\u8981\uff0c\u56e0\u4e3a\u78b3\u5316\u7845\u53ef\u4ee5\u5207\u6362\u5f97\u8db3\u591f\u5feb\uff0c\u5982\u679c\u6211\u8fc7\u5ea6\u63a8\u52a8\u5b83\uff0c\u4f1a\u4ea7\u751f\u566a\u58f0\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2) \u9009\u62e9\u4e00\u4e2a\u5b89\u5168\u7684\u8d77\u59cbRg<\/h3>\n\n\n\n<p>\u6211\u4f7f\u7528\u9a71\u52a8\u5668\u9650\u5236\u548c\u5668\u4ef6\u6805\u6781\u7535\u8377\u6765\u83b7\u5f97\u521d\u59cb\u503c\u3002\u7136\u540e\u6211\u5c06\u5176\u4e0e\u6570\u636e\u8868\u66f2\u7ebf\u8fdb\u884c\u5408\u7406\u6027\u68c0\u67e5&nbsp;<strong>\u95e8\u7535\u8377\u548c\u7535\u5bb9 (Ciss, Crss) \u5f71\u54cd<\/strong>.<\/p>\n\n\n\n<p>\u4e00\u4e2a\u7b80\u5355\u7684\u8d77\u59cb\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u68c0\u67e5\u9a71\u52a8\u5668\u7684\u5cf0\u503c\u6e90\/\u6f0f\u7535\u6d41<\/li>\n\n\n\n<li>\u67e5\u770b\u5728\u9884\u671f\u6805\u6781\u7535\u538b\u4e0b\u7684\u603b\u6805\u6781\u7535\u8377<\/li>\n\n\n\n<li>\u4f7f\u7528\u6570\u636e\u8868\u7684\u5f00\u542f\/\u5173\u95ed\u66f2\u7ebf\u4f5c\u4e3a\u57fa\u51c6<\/li>\n\n\n\n<li>\u7559\u51fa\u5e03\u5c40\u5bc4\u751f\u7535\u5bb9\u548c\u6e29\u5ea6\u6f02\u79fb\u7684\u4f59\u91cf<\/li>\n<\/ul>\n\n\n\n<p>\u5982\u679c\u6211\u5728\u6a21\u5757\u4e2d\u4f7f\u7528\u78b3\u5316\u7845MOSFET\u8bbe\u8ba1\uff0c\u6211\u8fd8\u4f1a\u8003\u8651\u529f\u7387\u6a21\u5757\u7684Rg\u8ba1\u7b97\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5c01\u88c5\u884c\u4e3a\u53ef\u80fd\u4f1a\u6539\u53d8\u5b9e\u9645\u7ed3\u679c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3) \u6d4b\u91cf\u771f\u5b9e\u6ce2\u5f62<\/h3>\n\n\n\n<p>\u6211\u4ece\u4e0d\u5355\u72ec\u4fe1\u4efb\u4f30\u7b97\u3002\u6211\u6d4b\u91cf\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Vgs<\/strong>&nbsp;\u7528\u4e8e\u6805\u6781\u5c16\u5cf0\u548c\u632f\u94c3<\/li>\n\n\n\n<li><strong>Vds<\/strong>&nbsp;\u7528\u4e8e\u8d85\u8c03\u548c\u5207\u6362\u901f\u5ea6<\/li>\n\n\n\n<li><strong>Id<\/strong>&nbsp;\u7528\u4e8e\u7535\u6d41\u8d85\u8c03\u548c\u5c3e\u90e8\u884c\u4e3a<\/li>\n<\/ul>\n\n\n\n<p>\u6211\u6240\u5bfb\u627e\u7684\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u632f\u94c3\uff1a<\/strong>&nbsp;\u901a\u5e38\u610f\u5473\u7740\u95e8\u56de\u8def\u7535\u611f\u6216 Rg \u592a\u4f4e<\/li>\n\n\n\n<li><strong>\u8d85\u8c03\uff1a<\/strong>&nbsp;\u53ef\u80fd\u6307\u5411\u6fc0\u8fdb\u7684\u5207\u6362\u6216\u963b\u5c3c\u4e0d\u826f<\/li>\n\n\n\n<li><strong>\u6162\u5207\u6362\uff1a<\/strong>&nbsp;\u901a\u5e38\u610f\u5473\u7740 Rg \u592a\u9ad8<\/li>\n\n\n\n<li><strong>\u9519\u8bef\u5f00\u542f\uff1a<\/strong>&nbsp;\u901a\u5e38\u4e0e\u7c73\u52d2\u6548\u5e94\u95ee\u9898\u548c\u5e03\u5c40\u4e0d\u826f\u6709\u5173<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u5c31\u662f\u53cc\u8109\u51b2\u6d4b\u8bd5\uff08DPT\uff09\u5bf9 SiC MOSFET \u975e\u5e38\u6709\u7528\u7684\u5730\u65b9\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4) \u4ee5\u5c0f\u6b65\u957f\u8fed\u4ee3 Rg<\/h3>\n\n\n\n<p>\u6211\u8c03\u6574&nbsp;<strong>Rg_on<\/strong>&nbsp;\u548c&nbsp;<strong>Rg_off<\/strong>&nbsp;\u5f53\u6211\u9700\u8981\u66f4\u4e25\u683c\u7684\u63a7\u5236\u65f6\u5355\u72ec\u8fdb\u884c\u3002\u8fd9\u901a\u5e38\u6bd4\u4e00\u4e2a\u5355\u4e00\u7684\u7535\u963b\u5668\u7ed9\u6211\u66f4\u597d\u7684\u6743\u8861\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6539\u53d8<\/th><th>\u5b83\u901a\u5e38\u6709\u5e2e\u52a9\u7684<\/th><th>\u6743\u8861<\/th><\/tr><\/thead><tbody><tr><td>\u964d\u4f4e Rg_on<\/td><td>\u964d\u4f4e\u5f00\u5173\u635f\u8017\uff0c\u5feb\u901f\u5f00\u542f<\/td><td>\u66f4\u591a\u7535\u78c1\u5e72\u6270\uff0c\u66f4\u591a\u8d85\u8c03<\/td><\/tr><tr><td>\u66f4\u9ad8\u7684Rg_on<\/td><td>\u66f4\u5c11\u7684\u632f\u94c3\uff0c\u66f4\u5e72\u51c0\u7684\u6ce2\u5f62<\/td><td>\u66f4\u591a\u635f\u8017<\/td><\/tr><tr><td>\u66f4\u4f4e\u7684Rg_off<\/td><td>\u66f4\u5feb\u7684\u5173\u65ad<\/td><td>\u5982\u679c\u8fc7\u4e8e\u6fc0\u8fdb\uff0c\u4f1a\u6709\u66f4\u9ad8\u7684\u7535\u538b\u5e94\u529b<\/td><\/tr><tr><td>\u66f4\u9ad8\u7684Rg_off<\/td><td>\u66f4\u5c11\u7684\u8d1f\u8109\u51b2\u548c\u566a\u58f0<\/td><td>\u66f4\u6162\u7684\u5173\u65ad<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u5bf9\u4e8e\u8bb8\u591a\u6805\u6781\u9a71\u52a8\u4f18\u5316\u6280\u672f\uff0c\u5206\u79bb\u7535\u963b\u662f\u8c03\u8282\u9ad8\u9891SiC\u5f00\u5173\u6027\u80fd\u7684\u6700\u5feb\u65b9\u6cd5\uff0c\u800c\u65e0\u9700\u5168\u9762\u91cd\u65b0\u8bbe\u8ba1\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5) \u5728\u9700\u8981\u65f6\u4f7f\u7528\u5148\u8fdb\u63a7\u5236<\/h3>\n\n\n\n<p>\u5982\u679c\u57fa\u672c\u7684\u7535\u963b\u8c03\u8282\u4e0d\u591f\uff0c\u6211\u4f1a\u8f6c\u5411\u66f4\u5148\u8fdb\u7684\u6805\u6781\u9a71\u52a8\u4f18\u5316\u6280\u672f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e3b\u52a8\u6805\u6781\u9a71\u52a8<\/strong>&nbsp;\u7528\u4e8e\u5b9e\u65f6\u63a7\u5236<\/li>\n\n\n\n<li><strong>\u4e24\u7ea7\u5f00\u542f<\/strong>&nbsp;\u4ee5\u51cf\u5c11\u5e94\u529b\u548c\u7535\u78c1\u5e72\u6270<\/li>\n\n\n\n<li><strong>\u53cd\u9988\u6216\u95ed\u73af\u6805\u6781\u63a7\u5236<\/strong>&nbsp;\u4e3a\u4e86\u66f4\u7d27\u51d1\u7684\u5f00\u5173\u884c\u4e3a<\/li>\n<\/ul>\n\n\n\n<p>\u5f53\u6211\u9700\u8981\u66f4\u597d\u7684SiC MOSFET EMI\u7f13\u89e3\u800c\u4e0d\u727a\u7272\u592a\u591a\u6548\u7387\u65f6\uff0c\u8fd9\u4e9b\u65b9\u6cd5\u5f88\u6709\u5e2e\u52a9\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6) \u8fdb\u884c\u5feb\u901f\u6545\u969c\u6392\u67e5\u68c0\u67e5<\/h3>\n\n\n\n<p>\u5f53\u4e8b\u60c5\u51fa\u73b0\u95ee\u9898\u65f6\uff0c\u6211\u9996\u5148\u68c0\u67e5\u540c\u6837\u7684\u51e0\u4e2a\u95ee\u9898\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u632f\u8361\uff1a<\/strong>&nbsp;\u901a\u5e38\u662f\u73af\u8def\u7535\u611f\u8fc7\u5927\u6216\u963b\u5c3c\u4e0d\u8db3<\/li>\n\n\n\n<li><strong>\u5ef6\u8fdf\u5f00\u5173\uff1a<\/strong>&nbsp;Rg\u8fc7\u9ad8\uff0c\u9a71\u52a8\u5668\u5f31\uff0c\u6216\u6805\u6781\u8def\u5f84\u5dee<\/li>\n\n\n\n<li><strong>\u9519\u8bef\u5f00\u542f\uff1a<\/strong>&nbsp;\u7c73\u52d2\u6ce8\u5165\u548c\u5f31\u5173\u65ad\u63a7\u5236<\/li>\n\n\n\n<li><strong>\u6805\u6781\u5c16\u5cf0\uff1a<\/strong>&nbsp;\u5e03\u5c40\u95ee\u9898\uff0c\u63a2\u6d4b\u4e0d\u826f\uff0c\u6216\u8fb9\u7f18\u901f\u7387\u8fc7\u5feb<\/li>\n<\/ul>\n\n\n\n<p>\u5982\u679c\u6ce2\u5f62\u770b\u8d77\u6765\u5947\u602a\uff0c\u6211\u8fd8\u4f1a\u5728\u66f4\u6362\u786c\u4ef6\u4e4b\u524d\u91cd\u65b0\u68c0\u67e5\u63a2\u5934\u8bbe\u7f6e\u3002\u9519\u8bef\u7684\u6d4b\u91cf\u4f1a\u6d6a\u8d39\u5f88\u591a\u65f6\u95f4\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6211\u7684\u5b9e\u7528\u89c4\u5219<\/h3>\n\n\n\n<p>\u6211\u901a\u5e38\u4ece\u4fdd\u5b88\u5f00\u59cb\uff0c\u6d4b\u91cf\u771f\u5b9e\u6ce2\u5f62\uff0c\u7136\u540e\u9010\u6b65\u8c03\u6574Rg\uff0c\u76f4\u5230\u8fbe\u5230\u6700\u4f73\u7ec4\u5408\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8f83\u4f4e\u7684\u5f00\u5173\u635f\u8017<\/li>\n\n\n\n<li>\u53ef\u63a5\u53d7\u7684EMI<\/li>\n\n\n\n<li>\u7a33\u5b9a\u7684\u6805\u6781\u884c\u4e3a<\/li>\n\n\n\n<li>\u5b89\u5168\u7684\u5668\u4ef6\u5e94\u529b<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u79cd\u65b9\u6cd5\u5728\u4fdd\u6301SiC\u5668\u4ef6\u53ef\u9760\u6027\u63d0\u5347\u7684\u540c\u65f6\uff0c\u4ecd\u80fd\u83b7\u5f97\u4eba\u4eec\u5e0c\u671b\u4ece\u7535\u529b\u7535\u5b50\u6548\u7387\u63d0\u5347\u4e2d\u83b7\u5f97\u7684\u6548\u7387\u6536\u76ca\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SiC MOSFET\u6805\u6781\u7535\u963b\u4f18\u5316\u6307\u5357\uff1a\u4eff\u771f\u548c\u6d4b\u8bd5\u6700\u4f73\u5b9e\u8df5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">SPICE\u5de5\u4f5c\u6d41\u7a0b<\/h3>\n\n\n\n<p>\u5f53\u6211\u8c03\u6574SiC MOSFET\u6805\u6781\u7535\u963b\u65f6\uff0c\u6211\u4eceSPICE\u5f00\u59cb\u3002\u6211\u4f7f\u7528\u4e00\u4e2a\u5668\u4ef6\u6a21\u578b\uff0c\u7136\u540e\u5728\u6805\u6781\u7535\u8def\u4e2d\u6dfb\u52a0\u5b9e\u9645\u7684\u5bc4\u751f\u7535\u611f\u548c\u6211\u9884\u8ba1\u5728\u7535\u8def\u677f\u4e0a\u7684\u4efb\u4f55\u5bfc\u7ebf\u7535\u963b\u3002\u8fd9\u5f88\u91cd\u8981\uff0c\u56e0\u4e3a\u7406\u60f3\u6a21\u578b\u901a\u5e38\u770b\u8d77\u6765\u6bd4\u6d4b\u8bd5\u53f0\u4e0a\u7684\u66f4\u5e72\u51c0\u3002<\/p>\n\n\n\n<p>\u6211\u7684\u57fa\u672c\u5de5\u4f5c\u6d41\u7a0b\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4eceSiC MOSFET\u6a21\u578b\u548c\u9a71\u52a8\u5668\u6a21\u578b\u5f00\u59cb<\/li>\n\n\n\n<li>\u6dfb\u52a0\u6805\u6781\u56de\u8def\u548c\u7535\u6e90\u56de\u8def\u7684\u5bc4\u751f\u53c2\u6570<\/li>\n\n\n\n<li>\u9010\u6b65\u626b\u63cf&nbsp;<strong>Rg<\/strong>&nbsp;\u4ee5\u5c0f\u6b65\u957f<\/li>\n\n\n\n<li>\u68c0\u67e5&nbsp;<strong>Vgs<\/strong>,&nbsp;<strong>Vds<\/strong>\uff0c\u4ee5\u53ca&nbsp;<strong>Id<\/strong>&nbsp;\u6ce2\u5f62<\/li>\n\n\n\n<li>\u5bfb\u627e\u8fc7\u51b2\u3001\u632f\u94c3\u548c\u7f13\u6162\u4e0a\u5347\u6cbf<\/li>\n\n\n\n<li>\u5206\u522b\u6bd4\u8f83\u5f00\u901a\u548c\u5173\u65ad\u884c\u4e3a<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u5e2e\u52a9\u6211\u5728SiC\u5668\u4ef6\u4e2d\u5e73\u8861\u5f00\u5173\u635f\u8017\u51cf\u5c11\u4e0eSiC MOSFET\u7684EMI\u6291\u5236\u3002\u5982\u679c\u6211\u5728\u505a\u57fa\u4e8e\u6a21\u5757\u7684\u8bbe\u8ba1\uff0c\u6211\u8fd8\u4f1a\u5c06\u8bbe\u7f6e\u4e0e\u4e00\u4e2a\u771f\u5b9e\u7684\u00a0<strong><a href=\"https:\/\/www.hiitiosemi.com\/product\/62mm-1200v-200a-sic-power-module\/\">SiC\u529f\u7387\u6a21\u5757\u5e73\u53f0<\/a><\/strong>\u00a0\u8fdb\u884c\u4ea4\u53c9\u68c0\u67e5\uff0c\u4ee5\u4fbf\u4eff\u771f\u4fdd\u6301\u63a5\u8fd1\u6211\u8ba1\u5212\u6784\u5efa\u7684\u786c\u4ef6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9e\u9a8c\u5ba4\u8bbe\u7f6e<\/h3>\n\n\n\n<p>\u5bf9\u4e8e\u53f0\u5f0f\u6d4b\u8bd5\uff0c\u6211\u4fdd\u6301\u8bbe\u7f6e\u7d27\u51d1\u4e14\u53ef\u91cd\u590d\u3002SiC MOSFET\u7684\u53cc\u8109\u51b2\u6d4b\u8bd5\uff08DPT\uff09\u901a\u5e38\u662f\u6211\u7684\u9996\u9009\uff0c\u56e0\u4e3a\u5b83\u5728\u8d1f\u8f7d\u4e0b\u6e05\u6670\u5730\u663e\u793a\u5f00\u5173\u884c\u4e3a\u3002<\/p>\n\n\n\n<p>\u6211\u603b\u662f\u505a\u7684\u51e0\u4ef6\u4e8b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528&nbsp;<strong>\u4f4e\u7535\u611f\u63a2\u6d4b<\/strong>&nbsp;\u7528\u4e8e Vgs \u548c Vds<\/li>\n\n\n\n<li>\u4fdd\u6301\u63a2\u5934\u5f15\u7ebf\u77ed<\/li>\n\n\n\n<li>\u4f7f\u7528\u4e00\u4e2a&nbsp;<strong>\u51ef\u5c14\u6587\u6e90<\/strong>&nbsp;\u5f53\u5305\u88f9\u652f\u6301\u65f6<\/li>\n\n\n\n<li>\u5c3d\u53ef\u80fd\u5c06\u7535\u6e90\u56de\u8def\u4e0e\u95e8\u7535\u8def\u5206\u5f00<\/li>\n\n\n\n<li>\u9a8c\u8bc1\u9a71\u52a8\u5668\u662f\u5426\u80fd\u591f\u5904\u7406\u6240\u9700\u7684\u6e90\/\u6c47\u7535\u6d41<\/li>\n<\/ul>\n\n\n\n<p>\u6211\u4e5f\u975e\u5e38\u5173\u6ce8\u95e8\u9a71\u52a8\u5668\u65b9\u9762\u3002\u4e00\u4e2a\u53ef\u9760\u7684\u95e8\u9a71\u52a8\u5668\u4f18\u5316\u6280\u672f\u53ef\u4ee5\u4f7f\u6d4b\u8bd5\u7ed3\u679c\u66f4\u52a0\u7a33\u5b9a\uff0c\u7279\u522b\u662f\u5728\u6211\u8bc4\u4f30\u9ad8\u901f\u5f00\u5173\u65f6\u3002\u4e3a\u6b64\uff0c\u6211\u7ecf\u5e38\u53c2\u8003\u4e00\u4e2a\u4e13\u7528\u7684\u00a0<strong><a href=\"https:\/\/www.hiitiosemi.com\/product\/gate-driver-cores\/\">\u95e8\u9a71\u52a8\u5668\u6838\u5fc3\u5e73\u53f0<\/a><\/strong>\u00a0\u5f53\u6211\u9700\u8981\u66f4\u597d\u7684\u5f00\u5173\u63a7\u5236\u65f6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5c06\u4eff\u771f\u4e0e\u6d4b\u8bd5\u5bf9\u6bd4<\/h3>\n\n\n\n<p>\u6211\u770b\u5230\u7684\u6700\u5927\u9519\u8bef\u662f\u8fc7\u4e8e\u4fe1\u4efb\u4eff\u771f\u6216\u8fc7\u5feb\u5730\u8d23\u602a\u7535\u8def\u677f\u3002\u5728\u5b9e\u8df5\u4e2d\uff0c\u6211\u6309\u7167\u76f8\u540c\u7684\u987a\u5e8f\u6bd4\u8f83\u4eff\u771f\u548c\u6d4b\u8bd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u632f\u94c3\u9891\u7387<\/strong><\/li>\n\n\n\n<li><strong>\u8d85\u8c03\u6c34\u5e73<\/strong><\/li>\n\n\n\n<li><strong>\u5f00\u5173\u65f6\u95f4<\/strong><\/li>\n\n\n\n<li><strong>\u95e8\u5c16\u5cf0\u884c\u4e3a<\/strong><\/li>\n\n\n\n<li><strong>\u5728\u4e0d\u540cRg\u503c\u4e0b\u7684\u635f\u8017\u8d8b\u52bf<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u5982\u679c\u6d4b\u8bd5\u7ed3\u679c\u770b\u8d77\u6765\u66f4\u7cdf\uff0c\u6211\u901a\u5e38\u4f1a\u68c0\u67e5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u63a2\u5934\u653e\u7f6e<\/li>\n\n\n\n<li>\u63a5\u5730\u56de\u8def\u957f\u5ea6<\/li>\n\n\n\n<li>\u9a71\u52a8\u5668\u5ef6\u8fdf\u4e0d\u5339\u914d<\/li>\n\n\n\n<li>\u5e03\u5c40\u5bc4\u751f\u6548\u5e94<\/li>\n\n\n\n<li>\u6d4b\u91cf\u5e26\u5bbd\u9650\u5236<\/li>\n<\/ul>\n\n\n\n<p>\u6211\u8fd8\u5173\u6ce8\u7c73\u52d2\u6548\u5e94\u7684\u865a\u5047\u5f00\u542f\u9632\u6b62\u95ee\u9898\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u95ee\u9898\u53ef\u80fd\u9690\u85cf\u5728\u6ce2\u5f62\u4e2d\uff0c\u4ec5\u5728\u8f83\u9ad8\u7684\u603b\u7ebf\u7535\u538b\u6216\u6e29\u5ea6\u4e0b\u663e\u73b0\u3002\u826f\u597d\u7684\u4eff\u771f\u548c\u5e72\u51c0\u7684\u6d4b\u8bd5\u8ba9\u6211\u5bf9\u5bbd\u7981\u5e26\u534a\u5bfc\u4f53\u4f18\u5316\u548c\u771f\u6b63\u7684\u9ad8\u9891SiC\u5f00\u5173\u6027\u80fd\u6709\u4e86\u66f4\u6e05\u6670\u7684\u8ba4\u8bc6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SiC MOSFET\u6805\u6781\u7535\u963b\u4f18\u5316\u6307\u5357\uff1a\u771f\u5b9e\u6848\u4f8b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u7535\u673a\u9a71\u52a8<\/h3>\n\n\n\n<p>\u5bf9\u4e8e\u7535\u673a\u9a71\u52a8\uff0c\u6211\u901a\u5e38\u9996\u5148\u8c03\u8282\u6805\u6781\u7535\u963b\u4ee5\u5b9e\u73b0\u7a33\u5065\u7684\u64cd\u4f5c\uff0c\u7136\u540e\u68c0\u67e5\u7535\u78c1\u5e72\u6270\u3002\u5728\u9ad8\u7535\u6d41\u4e0b\uff0c\u76ee\u6807\u662f\u4fdd\u6301\u5f00\u5173\u5e72\u51c0\uff0c\u800c\u4e0d\u4f7f\u8fb9\u7f18\u8fc7\u5feb\uff0c\u4ee5\u81f3\u4e8e\u9006\u53d8\u5668\u53d8\u5f97\u5608\u6742\u6216\u4e0d\u7a33\u5b9a\u3002\u5728\u4e2d\u56fd\u7684\u5de5\u5382\u548c\u81ea\u52a8\u5316\u8bbe\u7f6e\u4e2d\uff0c\u8fd9\u79cd\u5e73\u8861\u5f88\u91cd\u8981\uff0c\u56e0\u4e3a\u957f\u7535\u7f06\u8fd0\u884c\u548c\u7e41\u5fd9\u7684\u7535\u6c14\u73af\u5883\u53ef\u80fd\u4f7fSiC MOSFET\u7684\u7535\u78c1\u5e72\u6270\u7f13\u89e3\u6210\u4e3a\u4e00\u4e2a\u771f\u6b63\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u6211\u6700\u5173\u6ce8\u7684\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SiC\u5668\u4ef6\u7684\u5f00\u5173\u635f\u8017\u51cf\u5c11<\/strong><\/li>\n\n\n\n<li><strong>Vds\u4e0a\u7684\u8fc7\u51b2<\/strong><\/li>\n\n\n\n<li><strong>\u865a\u5047\u5f00\u542f\u98ce\u9669<\/strong><\/li>\n\n\n\n<li><strong>\u6a21\u5757\u4e2d\u7684\u70ed\u5347\u9ad8<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Rg\u7684\u5c0f\u5e45\u589e\u52a0\u53ef\u4ee5\u5e73\u606f\u632f\u94c3\uff0c\u5e76\u5e2e\u52a9SiC\u5668\u4ef6\u7684\u53ef\u9760\u6027\u63d0\u5347\uff0c\u5373\u4f7f\u8fd9\u4f1a\u7a0d\u5fae\u5f71\u54cd\u5f00\u5173\u901f\u5ea6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u592a\u9633\u80fd\u548c\u53ef\u518d\u751f\u80fd\u6e90\u9006\u53d8\u5668<\/h3>\n\n\n\n<p>\u5bf9\u4e8e\u592a\u9633\u80fd\u9006\u53d8\u5668\u548c\u5176\u4ed6\u53ef\u518d\u751f\u80fd\u6e90\uff0c\u6211\u66f4\u6ce8\u91cd\u6548\u7387\u3002\u8fd9\u4e9b\u7cfb\u7edf\u901a\u5e38\u5728\u66f4\u9ad8\u7684\u5f00\u5173\u9891\u7387\u4e0b\u8fd0\u884c\uff0c\u56e0\u6b64\u6b63\u786e\u7684\u6805\u6781\u7535\u963b\u4f18\u5316\u6307\u5357\u65b9\u6cd5\u53ef\u4ee5\u51cf\u5c11\u635f\u8017\uff0c\u63d0\u9ad8\u7535\u529b\u7535\u5b50\u6548\u7387\uff0c\u800c\u4e0d\u4f1a\u7834\u574f\u6ce2\u5f62\u8d28\u91cf\u3002<\/p>\n\n\n\n<p>\u6211\u901a\u5e38\u5173\u6ce8\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8f83\u4f4e&nbsp;<strong>\u5f00\u5173\u635f\u8017<\/strong><\/li>\n\n\n\n<li>\u66f4\u5e72\u51c0&nbsp;<strong>dv\/dt<\/strong><\/li>\n\n\n\n<li>\u66f4\u597d\u7684&nbsp;<strong>\u9ad8\u9891 SiC \u5f00\u5173\u6027\u80fd<\/strong><\/li>\n\n\n\n<li>\u5bf9\u6ee4\u6ce2\u5668\u548c\u51b7\u5374\u7684\u538b\u529b\u66f4\u5c0f<\/li>\n<\/ul>\n\n\n\n<p>\u5728\u8fd9\u91cc\uff0c\u6805\u7535\u8377\u548c\u7535\u5bb9\uff08Ciss, Crss\uff09\u7684\u5f71\u54cd\u53d8\u5f97\u975e\u5e38\u660e\u663e\u3002\u5982\u679cRg\u592a\u9ad8\uff0c\u6211\u4f1a\u5931\u53bb\u6548\u7387\u3002\u5982\u679cRg\u592a\u4f4e\uff0c\u7535\u78c1\u5e72\u6270\u548c\u8fc7\u51b2\u4f1a\u8fc5\u901f\u589e\u52a0\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5de5\u4e1a\u9a71\u52a8<\/h3>\n\n\n\n<p>\u5bf9\u4e8e\u5de5\u4e1a\u9a71\u52a8\uff0c\u6211\u503e\u5411\u4e8e\u4f18\u5148\u8003\u8651\u5728\u6e29\u5ea6\u548c\u8d1f\u8f7d\u6ce2\u52a8\u4e0b\u7684\u53ef\u9760\u6027\u3002\u8fd9\u610f\u5473\u7740\u8981\u68c0\u67e5SiC MOSFET\u5728\u8f7b\u8d1f\u8f7d\u3001\u91cd\u8d1f\u8f7d\u3001\u51b7\u542f\u52a8\u548c\u70ed\u64cd\u4f5c\u4e0b\u7684\u8868\u73b0\u3002\u5728\u4e2d\u56fd\u7684\u5b9e\u9645\u5de5\u5382\u6761\u4ef6\u4e0b\uff0c\u8fd9\u79cd\u4f59\u91cf\u6bd4\u8ffd\u6c42\u7edd\u5bf9\u6700\u5feb\u7684\u8fb9\u7f18\u66f4\u4e3a\u91cd\u8981\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"640\" height=\"427\" src=\"https:\/\/www.hiitiosemi.com\/wp-content\/uploads\/2026\/03\/SiC-Power-Devices-in-Industrial-Robot-Drives-3.webp\" alt=\"\" class=\"wp-image-5282\" srcset=\"https:\/\/hiitiosemi.b-cdn.net\/wp-content\/uploads\/2026\/03\/SiC-Power-Devices-in-Industrial-Robot-Drives-3.webp 640w, https:\/\/hiitiosemi.b-cdn.net\/wp-content\/uploads\/2026\/03\/SiC-Power-Devices-in-Industrial-Robot-Drives-3-300x200.webp 300w, https:\/\/hiitiosemi.b-cdn.net\/wp-content\/uploads\/2026\/03\/SiC-Power-Devices-in-Industrial-Robot-Drives-3-18x12.webp 18w, https:\/\/hiitiosemi.b-cdn.net\/wp-content\/uploads\/2026\/03\/SiC-Power-Devices-in-Industrial-Robot-Drives-3-600x400.webp 600w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p>\u5173\u952e\u68c0\u67e5\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u70ed\u5347\u9ad8<\/strong><\/li>\n\n\n\n<li><strong>\u6805\u6781\u7535\u538b\u7a33\u5b9a\u6027<\/strong><\/li>\n\n\n\n<li><strong>dv\/dt \u7075\u654f\u5ea6<\/strong><\/li>\n\n\n\n<li><strong>\u7c73\u52d2\u6548\u5e94\u865a\u5047\u5f00\u542f\u9632\u6b62<\/strong><\/li>\n<\/ul>\n\n\n\n<p>\u5982\u679c\u8bbe\u8ba1\u5f88\u5f3a&nbsp;<strong>\u6805\u6781\u7535\u8def\u4e2d\u7684\u5bc4\u751f\u7535\u611f<\/strong>\u6211\u901a\u5e38\u4f1a\u671f\u5f85\u66f4\u591a\u7684\u8c03\u8bd5\u5de5\u4f5c\u548c\u66f4\u4fdd\u5b88\u7684 Rg \u503c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6211\u62a5\u544a\u7684\u5185\u5bb9<\/h3>\n\n\n\n<p>\u5f53\u6211\u9a8c\u8bc1\u65f6&nbsp;<strong>\u78b3\u5316\u7845 MOSFET \u8bbe\u8ba1<\/strong>&nbsp;\u53d8\u5316\u65f6\uff0c\u6211\u4fdd\u6301\u62a5\u544a\u7b80\u5355\u5b9e\u7528\u3002\u8fd9\u4e9b\u662f\u6700\u91cd\u8981\u7684\u6307\u6807\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6307\u6807<\/th><th>\u4e3a\u4ec0\u4e48\u8fd9\u5f88\u91cd\u8981<\/th><\/tr><\/thead><tbody><tr><td>\u5f00\u5173\u635f\u8017<\/td><td>\u663e\u793a\u6548\u7387\u5f71\u54cd<\/td><\/tr><tr><td>dv\/dt<\/td><td>\u544a\u8bc9\u6211\u8fb9\u7f18\u7684\u6fc0\u8fdb\u7a0b\u5ea6<\/td><\/tr><tr><td>\u8fc7\u51b2<\/td><td>\u663e\u793a\u8bbe\u5907\u7684\u538b\u529b<\/td><\/tr><tr><td>\u7535\u78c1\u5e72\u6270<\/td><td>\u786e\u8ba4\u5408\u89c4\u98ce\u9669<\/td><\/tr><tr><td>\u70ed\u5347\u9ad8<\/td><td>\u663e\u793a\u51b7\u5374\u548c\u53ef\u9760\u6027\u5f71\u54cd<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u5bf9\u4e8e\u4e00\u4e2a\u575a\u56fa\u7684&nbsp;<strong>\u5bbd\u5e26\u9699\u534a\u5bfc\u4f53\u4f18\u5316\u4e2d<\/strong>&nbsp;\u7ed3\u679c\uff0c\u6211\u5e0c\u671b\u5728\u81f3\u5c11\u4e24\u4e2a\u9886\u57df\u6709\u6240\u6539\u5584\uff0c\u800c\u4e0d\u5728\u5176\u4ed6\u5730\u65b9\u4ea7\u751f\u65b0\u7684\u95ee\u9898\u3002\u8fd9\u901a\u5e38\u610f\u5473\u7740\u66f4\u597d\u7684\u6548\u7387\u3001\u53ef\u7ba1\u7406\u7684\u7535\u78c1\u5e72\u6270\uff08EMI\uff09\u548c\u5728\u6574\u4e2a\u64cd\u4f5c\u8303\u56f4\u5185\u7a33\u5b9a\u7684\u70ed\u884c\u4e3a\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u4f60\u613f\u610f\uff0c\u6211\u53ef\u4ee5\u7528\u76f8\u540c\u7684\u98ce\u683c\u5199\u4e0b\u4e00\u90e8\u5206\uff0c\u5e76\u4e0e\u5176\u4f59\u5927\u7eb2\u76f8\u5339\u914d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SiC MOSFET \u95e8\u7535\u963b\u4f18\u5316\u7684\u597d\u5904<\/h2>\n\n\n\n<p>\u5f53\u6211\u8c03\u6574\u65f6&nbsp;<strong>SiC MOSFET \u95e8\u7535\u963b<\/strong>\uff0c\u6211\u901a\u5e38\u5728\u56db\u4e2a\u65b9\u9762\u770b\u5230\u6536\u76ca\uff1a\u66f4\u4f4e\u7684\u5f00\u5173\u635f\u8017\u3001\u66f4\u6e05\u6d01\u7684\u7535\u78c1\u5e72\u6270\u884c\u4e3a\u3001\u66f4\u597d\u7684\u53ef\u9760\u6027\u548c\u66f4\u5f3a\u7684\u7cfb\u7edf\u7ea7\u6548\u7387\u3002\u5728\u4e00\u4e2a&nbsp;<strong>\u78b3\u5316\u7845 MOSFET \u8bbe\u8ba1<\/strong>\uff0c\u6b63\u786e\u7684&nbsp;<strong>\u529f\u7387\u6a21\u5757 Rg \u8ba1\u7b97\u65b9\u6cd5<\/strong>&nbsp;\u53ef\u4ee5\u4ea7\u751f\u771f\u6b63\u7684\u5dee\u5f02\uff0c\u7279\u522b\u662f\u5728\u4e2d\u56fd\u5de5\u4e1a\u9a71\u52a8\u3001\u7535\u52a8\u6c7d\u8f66\u7cfb\u7edf\u548c\u53ef\u518d\u751f\u9006\u53d8\u5668\u4e2d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u66f4\u4f4e\u7684\u5f00\u5173\u635f\u8017\u548c\u70ed\u91cf<\/h3>\n\n\n\n<p>\u901a\u8fc7\u6b63\u786e\u7684&nbsp;<strong>\u6805\u6781\u9a71\u52a8\u5668\u4f18\u5316\u6280\u672f<\/strong>\uff0c\u6211\u901a\u5e38\u53ef\u4ee5\u663e\u8457\u51cf\u5c11\u5f00\u5173\u635f\u8017\u3002\u5728\u8bb8\u591a&nbsp;<strong>\u9ad8\u9891 SiC \u5f00\u5173\u6027\u80fd<\/strong>&nbsp;\u8bbe\u8ba1\u4e2d\uff0c\u6539\u5584\u901a\u5e38\u5728&nbsp;<strong>5% \u5230 20% \u8303\u56f4\u5185<\/strong>\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u603b\u7ebf\u7535\u538b\u3001\u7535\u6d41\u3001\u5e03\u5c40\u548c\u5668\u4ef6\u7c7b\u578b\u3002<\/p>\n\n\n\n<p>\u6536\u76ca\u7684\u9a71\u52a8\u56e0\u7d20\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u66f4\u5feb\u4f46\u53d7\u63a7\u7684\u5f00\u542f\u548c\u5173\u95ed<\/li>\n\n\n\n<li>\u7535\u538b\u548c\u7535\u6d41\u4e4b\u95f4\u7684\u91cd\u53e0\u66f4\u5c11<\/li>\n\n\n\n<li>\u66f4\u597d\u5730\u5229\u7528\u9a71\u52a8\u5668\u7684\u6e90\/\u6c47\u7535\u6d41<\/li>\n\n\n\n<li>SiC \u5668\u4ef6\u53ca\u5468\u56f4\u90e8\u4ef6\u7684\u52a0\u70ed\u66f4\u4f4e<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7ed3\u679c<\/th><th>\u6211\u901a\u5e38\u770b\u5230\u7684\u60c5\u51b5<\/th><\/tr><\/thead><tbody><tr><td>\u5f00\u5173\u635f\u8017<\/td><td>\u964d\u4f4e\u7ea65%\u81f320%<\/td><\/tr><tr><td>\u8bbe\u5907\u6e29\u5ea6<\/td><td>\u51cf\u5c11\u70ed\u70b9<\/td><\/tr><tr><td>\u51b7\u5374\u9700\u6c42<\/td><td>\u5bf9\u6563\u70ed\u5668\u548c\u6c14\u6d41\u7684\u538b\u529b\u66f4\u5c0f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u8fd9\u4e5f\u652f\u6301\u66f4\u597d\u7684MOSFET\u70ed\u7ba1\u7406\u7b56\u7565\uff0c\u8fd9\u5728\u6211\u60f3\u8981\u66f4\u5c0f\u7684\u5916\u58f3\u6216\u66f4\u9ad8\u7684\u529f\u7387\u5bc6\u5ea6\u65f6\u5f88\u91cd\u8981\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"590\" height=\"590\" src=\"https:\/\/www.hiitiosemi.com\/wp-content\/uploads\/2026\/05\/HIITIO-power-module-2.webp\" alt=\"\" class=\"wp-image-5678\" srcset=\"https:\/\/hiitiosemi.b-cdn.net\/wp-content\/uploads\/2026\/05\/HIITIO-power-module-2.webp 590w, https:\/\/hiitiosemi.b-cdn.net\/wp-content\/uploads\/2026\/05\/HIITIO-power-module-2-300x300.webp 300w, https:\/\/hiitiosemi.b-cdn.net\/wp-content\/uploads\/2026\/05\/HIITIO-power-module-2-150x150.webp 150w, https:\/\/hiitiosemi.b-cdn.net\/wp-content\/uploads\/2026\/05\/HIITIO-power-module-2-12x12.webp 12w, https:\/\/hiitiosemi.b-cdn.net\/wp-content\/uploads\/2026\/05\/HIITIO-power-module-2-500x500.webp 500w, https:\/\/hiitiosemi.b-cdn.net\/wp-content\/uploads\/2026\/05\/HIITIO-power-module-2-100x100.webp 100w\" sizes=\"(max-width: 590px) 100vw, 590px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u66f4\u597d\u7684EMI\u884c\u4e3a<\/h3>\n\n\n\n<p>\u8c03\u8282\u7684Rg\u5e2e\u52a9\u6211\u7ba1\u7406dv\/dt\u548c\u632f\u94c3\uff0c\u8fd9\u76f4\u63a5\u6539\u5584\u4e86&nbsp;<strong>SiC MOSFET \u7684 EMI \u7f13\u89e3<\/strong>\u5f53\u5f00\u5173\u8fb9\u7f18\u63a7\u5236\u826f\u597d\u65f6\uff0c\u6211\u4e0d\u9700\u8981\u8fc7\u5ea6\u8fc7\u6ee4\u7cfb\u7edf\u3002<\/p>\n\n\n\n<p>\u4e3b\u8981\u597d\u5904\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vds\u548cVgs\u4e0a\u7684\u632f\u94c3\u66f4\u5c11<\/li>\n\n\n\n<li>\u66f4\u4f4e\u7684\u5171\u6a21\u566a\u58f0<\/li>\n\n\n\n<li>\u5728\u9a8c\u8bc1\u540e\u671f\u51cf\u5c11\u51fa\u73b0EMI\u95ee\u9898\u7684\u673a\u4f1a<\/li>\n\n\n\n<li>\u5bf9\u8f93\u5165\/\u8f93\u51fa\u6ee4\u6ce2\u5668\u7684\u8d1f\u62c5\u66f4\u5c0f<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>EMI\u533a\u57df<\/th><th>\u6539\u5584<\/th><\/tr><\/thead><tbody><tr><td>\u4f20\u5bfc\u566a\u58f0<\/td><td>\u901a\u5e38\u66f4\u5bb9\u6613\u63a7\u5236<\/td><\/tr><tr><td>\u8f90\u5c04\u566a\u58f0<\/td><td>\u8fb9\u7f18\u76f8\u5173\u7684\u5c16\u5cf0\u66f4\u4f4e<\/td><\/tr><tr><td>\u6ee4\u6ce2\u5668\u5c3a\u5bf8<\/td><td>\u6709\u65f6\u53ef\u4ee5\u51cf\u5c11<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u8fd9\u5c31\u662f&nbsp;<strong>\u6805\u6781\u7535\u8def\u4e2d\u7684\u5bc4\u751f\u7535\u611f<\/strong>&nbsp;\u8fd9\u771f\u7684\u5f88\u91cd\u8981\u3002\u5982\u679c\u6211\u51cf\u5c11\u8fd9\u4e2a\u5e76\u6b63\u786e\u8bbe\u7f6eRg\uff0c\u6ce2\u5f62\u901a\u5e38\u4f1a\u5f88\u5feb\u6e05\u6670\u8d77\u6765\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u66f4\u9ad8\u7684\u53ef\u9760\u6027<\/h3>\n\n\n\n<p>\u826f\u597d\u7684\u6805\u6781\u7535\u963b\u8c03\u8282\u6709\u52a9\u4e8e\u4fdd\u62a4\u8bbe\u5907\u3002\u5b83\u51cf\u5c11\u4e86\u5bf9\u6805\u6c27\u5316\u5c42\u7684\u538b\u529b\uff0c\u964d\u4f4e\u4e86\u8fc7\u51b2\uff0c\u5e76\u51cf\u5c11\u4e86\u7c73\u52d2\u6548\u5e94\u5bfc\u81f4\u7684\u8bef\u89e6\u53d1\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u6211\u6240\u5bfb\u627e\u7684\u53ef\u9760\u6027\u63d0\u5347\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u66f4\u5c11\u7684\u8bef\u89e6\u53d1<\/li>\n\n\n\n<li>\u8f83\u4f4e\u7684\u6805\u6781\u7535\u538b\u5c16\u5cf0\u98ce\u9669<\/li>\n\n\n\n<li>\u8f83\u4f4e\u7684\u7a7f\u900f\u98ce\u9669<\/li>\n\n\n\n<li>\u66f4\u597d\u7684\u957f\u671f\u8868\u73b0&nbsp;<strong>SiC\u8bbe\u5907\u53ef\u9760\u6027\u589e\u5f3a<\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u53ef\u9760\u6027\u56e0\u7d20<\/th><th>\u4e3a\u4ec0\u4e48\u8fd9\u6709\u5e2e\u52a9<\/th><\/tr><\/thead><tbody><tr><td>\u53d7\u63a7\u5f00\u5173<\/td><td>\u8f83\u5c11\u7684\u7535\u6c14\u538b\u529b<\/td><\/tr><tr><td>\u8f83\u4f4e\u7684\u8fc7\u51b2<\/td><td>\u66f4\u597d\u7684\u6805\u6781\u4fdd\u62a4<\/td><\/tr><tr><td>\u7a33\u5b9a\u7684\u5173\u65ad\u72b6\u6001<\/td><td>\u66f4\u5c11\u7684\u8bef\u89e6\u53d1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u5728\u5b9e\u9645\u7cfb\u7edf\u4e2d\uff0c\u8fd9\u610f\u5473\u7740\u5728\u8d1f\u8f7d\u6ce2\u52a8\u3001\u6e29\u5ea6\u53d8\u5316\u548c\u5feb\u901f\u5f00\u5173\u4e8b\u4ef6\u4e0b\uff0c\u5bff\u547d\u66f4\u957f\uff0c\u610f\u5916\u6545\u969c\u66f4\u5c11\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7cfb\u7edf\u7ea7\u6536\u76ca<\/h3>\n\n\n\n<p>\u6700\u5927\u7684\u6536\u76ca\u901a\u5e38\u662f\u5728\u7cfb\u7edf\u7ea7\u522b\u3002\u5f53\u6211\u6b63\u786e\u8bbe\u7f6eRg\u65f6\uff0c\u6211\u53ef\u4ee5\u63d0\u9ad8\u529f\u7387\u7535\u5b50\u6548\u7387\uff0c\u800c\u4e0d\u4f7f\u8bbe\u8ba1\u66f4\u96be\u4ee5\u6784\u5efa\u6216\u652f\u6301\u3002<\/p>\n\n\n\n<p>\u5178\u578b\u7684\u6743\u8861\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u66f4\u9ad8\u7684\u6548\u7387<\/strong>&nbsp;\u635f\u5931\u66f4\u4f4e<\/li>\n\n\n\n<li><strong>\u66f4\u9ad8\u7684\u529f\u7387\u5bc6\u5ea6<\/strong>&nbsp;\u56e0\u4e3a\u51b7\u5374\u53ef\u4ee5\u66f4\u5c0f<\/li>\n\n\n\n<li><strong>\u964d\u4f4eBOM\u6210\u672c<\/strong>&nbsp;\u5982\u679c\u8fc7\u6ee4\u548c\u70ed\u786c\u4ef6\u7f29\u5c0f<\/li>\n\n\n\n<li><strong>\u66f4\u597d\u7684\u5e73\u8861<\/strong>&nbsp;\u5728\u901f\u5ea6\u3001\u7535\u78c1\u5e72\u6270\u548c\u53ef\u9760\u6027\u4e4b\u95f4<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7cfb\u7edf\u76ee\u6807<\/th><th>Rg\u4f18\u5316\u5f71\u54cd<\/th><\/tr><\/thead><tbody><tr><td>\u6548\u7387<\/td><td>\u8f83\u9ad8<\/td><\/tr><tr><td>\u529f\u7387\u5bc6\u5ea6<\/td><td>\u66f4\u597d\u7684<\/td><\/tr><tr><td>\u51b7\u5374\u6210\u672c<\/td><td>\u901a\u5e38\u66f4\u4f4e<\/td><\/tr><tr><td>\u7535\u78c1\u5e72\u6270\u5408\u89c4\u6027<\/td><td>\u66f4\u6613\u4e8e\u7ba1\u7406<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u6211\u4e5f\u65f6\u523b\u8bb0\u4f4f\uff0c\u6700\u4f73\u8bbe\u7f6e\u5e76\u4e0d\u603b\u662f\u6700\u5feb\u7684\u3002\u5728\u4e2d\u56fd\u5e02\u573a\uff0c\u6211\u901a\u5e38\u8ffd\u6c42\u4e00\u79cd\u5b9e\u7528\u7684\u5e73\u8861\uff0c\u4ee5\u652f\u6301\u751f\u4ea7\u7a33\u5b9a\u6027\u3001\u5408\u89c4\u6027\u548c\u957f\u671f\u73b0\u573a\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SiC MOSFET\u6805\u6781\u7535\u963b\u4f18\u5316\u4e2d\u7684\u5e38\u89c1\u6311\u6218<\/h2>\n\n\n\n<p>\u6839\u636e\u6211\u7684\u7ecf\u9a8c\uff0cSiC MOSFET\u6805\u6781\u7535\u963b\u4f18\u5316\u4e2d\u6700\u56f0\u96be\u7684\u90e8\u5206\u662f\uff0c\u7eb8\u9762\u4e0a\u201c\u6700\u4f73\u201d\u7684Rg\u5e76\u4e0d\u603b\u662f\u5728\u5b9e\u9a8c\u5ba4\u4e2d\u8868\u73b0\u6700\u4f73\u3002\u78b3\u5316\u7845MOSFET\u8bbe\u8ba1\u5bf9\u5e03\u5c40\u3001\u9a71\u52a8\u5f3a\u5ea6\u548c\u5668\u4ef6\u5206\u6563\u7684\u654f\u611f\u6027\u9ad8\u4e8e\u65e7\u7684\u7845\u90e8\u4ef6\uff0c\u56e0\u6b64\u6211\u603b\u662f\u7559\u6709\u4f59\u91cf\uff0c\u800c\u4e0d\u662f\u7acb\u5373\u8ffd\u6c42\u7edd\u5bf9\u6700\u4f4e\u7684\u635f\u5931\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5668\u4ef6\u53d8\u5f02\u548cRg\u4f59\u91cf<\/h3>\n\n\n\n<p>\u5e76\u4e0d\u662f\u6bcf\u4e2a\u90e8\u4ef6\u7684\u8868\u73b0\u90fd\u76f8\u540c\u3002\u6805\u6781\u7535\u8377\u548c\u7535\u5bb9\uff08Ciss, Crss\uff09\u7684\u5fae\u5c0f\u53d8\u5316\u4f1a\u5f71\u54cd\u5f00\u5173\u901f\u5ea6\u3001\u8fc7\u51b2\u548c\u7535\u78c1\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u6211\u7684\u505a\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ece\u5b89\u5168\u7684Rg\u8ba1\u7b97\u65b9\u6cd5\u5f00\u59cb\uff0c\u9002\u7528\u4e8e\u529f\u7387\u6a21\u5757<\/li>\n\n\n\n<li>\u7559\u51fa\u6279\u6b21\u95f4\u53d8\u5f02\u7684\u7a7a\u95f4<\/li>\n\n\n\n<li>\u5728\u9ad8\u6e29\u548c\u4f4e\u6e29\u4e0b\u6d4b\u8bd5<\/li>\n\n\n\n<li>\u5728\u8d1f\u8f7d\u7535\u6d41\u548c\u603b\u7ebf\u7535\u538b\u4e0b\u8fdb\u884c\u9a8c\u8bc1<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u6709\u52a9\u4e8e\u589e\u5f3aSiC\u5668\u4ef6\u7684\u53ef\u9760\u6027\uff0c\u5e76\u4fdd\u6301\u8bbe\u8ba1\u5728\u4e2d\u56fd\u5b9e\u9645\u64cd\u4f5c\u6761\u4ef6\u4e0b\u7684\u7a33\u5b9a\u6027\uff0c\u5728\u8fd9\u4e9b\u6761\u4ef6\u4e0b\uff0c\u73af\u5883\u6e29\u5ea6\u548c\u5360\u7a7a\u6bd4\u53ef\u80fd\u4f1a\u6709\u5f88\u5927\u6ce2\u52a8\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6805\u6781\u5c16\u5cf0\u548c\u94b3\u4f4d\u9009\u9879<\/h3>\n\n\n\n<p>\u5feb\u901f\u8fb9\u7f18\u53ef\u80fd\u5bfc\u81f4\u7c73\u52d2\u6548\u5e94\u865a\u5047\u5f00\u542f\u9632\u6b62\u95ee\u9898\uff0c\u7279\u522b\u662f\u5728\u534a\u6865\u5e03\u5c40\u4e2d\u3002\u5982\u679c\u6211\u770b\u5230\u6805\u6781\u7535\u538b\u5c16\u5cf0\uff0c\u6211\u4f1a\u67e5\u770b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>TVS\u94b3\u4f4d<\/strong>&nbsp;\u7528\u4e8e\u8fc7\u7535\u538b\u4fdd\u62a4<\/li>\n\n\n\n<li><strong>\u7c73\u52d2\u94b3\u4f4d<\/strong>&nbsp;\u9a71\u52a8\u5668\u4e2d\u7684\u652f\u6301<\/li>\n\n\n\n<li><strong>\u8d1f\u6805\u6781\u504f\u7f6e<\/strong>&nbsp;\u7528\u4e8e\u589e\u5f3a\u5173\u65ad\u72b6\u6001\u7684\u6297\u5e72\u6270\u80fd\u529b<\/li>\n<\/ul>\n\n\n\n<p>\u6bcf\u4e2a\u9009\u9879\u90fd\u6709\u6743\u8861\u3002\u8d1f\u504f\u7f6e\u53ef\u4ee5\u6539\u5584\u566a\u58f0\u88d5\u5ea6\uff0c\u4f46\u5b83\u4e5f\u589e\u52a0\u4e86\u9a71\u52a8\u5668\u7684\u590d\u6742\u6027\u3002\u94b3\u4f4d\u66f4\u7b80\u5355\uff0c\u4f46\u53ef\u80fd\u65e0\u6cd5\u89e3\u51b3\u4e0d\u826f\u5e03\u5c40\u3002\u5bf9\u4e8e\u8bb8\u591a\u9ad8\u9891SiC\u5f00\u5173\u6027\u80fd\u8bbe\u8ba1\uff0c\u6211\u4f1a\u5c06\u9a71\u52a8\u5668\u7279\u6027\u548c\u5e03\u5c40\u4fee\u590d\u7ed3\u5408\u4f7f\u7528\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u632f\u94c3\u548c\u632f\u8361\u4fee\u590d<\/h3>\n\n\n\n<p>\u5982\u679c\u6211\u770b\u5230\u632f\u94c3\uff0c\u6211\u5c06\u5176\u89c6\u4e3a\u7cfb\u7edf\u95ee\u9898\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662fRg\u95ee\u9898\u3002\u5e38\u89c1\u7684\u4fee\u590d\u65b9\u6cd5\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6dfb\u52a0\u4e00\u4e2a\u5c0f\u7684&nbsp;<strong>\u963b\u5c3c\u7f51\u7edc<\/strong><\/li>\n\n\n\n<li>\u4f7f\u7528&nbsp;<strong>\u94c1\u6c27\u4f53\u73e0<\/strong>&nbsp;\u5728\u95e8\u63a7\u8def\u5f84\u4e0a<\/li>\n\n\n\n<li>\u5206\u79bb\u5f00\u5173\u7535\u963b\u548c\u5173\u65ad\u7535\u963b<\/li>\n\n\n\n<li>\u7d27\u56fa\u95e8\u63a7\u56de\u8def\u548c\u8fd4\u56de\u8def\u5f84<\/li>\n\n\n\n<li>\u4f7f\u7528\u4e00\u4e2a&nbsp;<strong>\u51ef\u5c14\u6587\u6e90<\/strong>&nbsp;\u53ef\u7528\u65f6\u8fde\u63a5<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e9b\u53d8\u5316\u901a\u5e38\u5728\u4e0d\u727a\u7272\u592a\u591a\u6548\u7387\u7684\u60c5\u51b5\u4e0b\u6539\u5584SiC MOSFET\u7684EMI\u6291\u5236\u3002\u95e8\u7535\u8def\u63a7\u5236\u4e2d\u7684\u826f\u597d\u5bc4\u751f\u7535\u611f\u901a\u5e38\u6bd4\u4ec5\u4ec5\u589e\u52a0Rg\u66f4\u6709\u6548\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5feb\u901f\u521d\u6b65\u4fee\u590d\u4e0e\u66f4\u6df1\u5c42\u6b21\u7684\u91cd\u65b0\u8bbe\u8ba1<\/h3>\n\n\n\n<p>\u5f53\u6211\u5728\u5b9e\u9a8c\u5ba4\u65f6\uff0c\u6211\u901a\u5e38\u5148\u5c1d\u8bd5\u5feb\u901f\u4fee\u590d\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u68c0\u67e5<strong> <\/strong>\u63a2\u6d4b\u548c\u6d4b\u91cf\u8bbe\u7f6e<\/li>\n\n\n\n<li>\u8c03\u6574Rg_on\u548cRg_off<\/li>\n\n\n\n<li>\u6dfb\u52a0\u6216\u8c03\u8282\u94b3\u4f4d<\/li>\n\n\n\n<li>\u5c1d\u8bd5\u4f7f\u7528\u94c1\u6c27\u4f53\u73e0\u6216\u5c0f\u7684\u963b\u5c3c\u5143\u4ef6<\/li>\n\n\n\n<li>\u68c0\u67e5\u5e03\u5c40\u56de\u6d41\u8def\u5f84<\/li>\n<\/ol>\n\n\n\n<p>\u5982\u679c\u95ee\u9898\u4ecd\u7136\u5b58\u5728\uff0c\u6211\u4f1a\u8f6c\u5411\u66f4\u5927\u7684\u53d8\u5316\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9a71\u52a8\u5668\u9009\u62e9\u66f4\u6539<\/li>\n\n\n\n<li>\u66f4\u597d\u7684\u95e8\u73af\u8def\u5e03\u5c40<\/li>\n\n\n\n<li>\u66f4\u5f3a\u7684&nbsp;<strong>\u6805\u6781\u9a71\u52a8\u5668\u4f18\u5316\u6280\u672f<\/strong><\/li>\n\n\n\n<li>\u5b8c\u6574\u7684&nbsp;<strong>SPICE<\/strong>&nbsp;\u5305\u542b\u5bc4\u751f\u53c2\u6570\u7684\u5ba1\u67e5<\/li>\n<\/ul>\n\n\n\n<p>\u5bf9\u4e8e\u4e2d\u56fd\u7684\u7535\u529b\u7cfb\u7edf\uff0c\u8fd9\u8282\u7701\u4e86\u65f6\u95f4\uff0c\u5e76\u6709\u52a9\u4e8e\u5e73\u8861SiC\u5668\u4ef6\u7684\u5f00\u5173\u635f\u8017\u51cf\u5c11\u4e0e\u5408\u89c4\u6027\u3001\u566a\u58f0\u548c\u53ef\u9760\u6027\u76ee\u6807\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SiC\u95e8\u7535\u963b\u4f18\u5316\u6307\u5357\uff1a\u6848\u4f8b\u7814\u7a76<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u7535\u52a8\u6c7d\u8f66\u52a8\u529b\u7cfb\u7edf\u6848\u4f8b<\/h3>\n\n\n\n<p>\u5728\u7535\u52a8\u6c7d\u8f66\u52a8\u529b\u7cfb\u7edf\u7684\u8bbe\u7f6e\u4e2d\uff0c\u6211\u901a\u5e38\u4f1a\u5bfb\u627e\u5728\u8c03\u6574Rg\u540e\uff0cSiC\u5668\u4ef6\u7684\u5f00\u5173\u635f\u8017\u51cf\u5c11\u7684\u660e\u663e\u4e0b\u964d\u3002\u901a\u8fc7\u9009\u62e9\u5408\u9002\u7684\u6805\u6781\u7535\u963b\u503c\uff0c\u6211\u901a\u5e38\u53ef\u4ee5\u51cf\u5c11\u8fc7\u51b2\uff0c\u4fdd\u6301\u8fb9\u7f18\u8db3\u591f\u5feb\uff0c\u540c\u65f6\u4fdd\u62a4\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u5728\u4e00\u6b21\u7845\u78b3\u5316\u7269MOSFET\u8bbe\u8ba1\u98ce\u683c\u6d4b\u8bd5\u4e2d\uff0c\u524d\u540e\u7ed3\u679c\u975e\u5e38\u660e\u663e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u66f4\u4f4e\u7684\u5f00\u542f\u635f\u8017<\/li>\n\n\n\n<li>Vgs\u548cVds\u4e0a\u7684\u632f\u94c3\u66f4\u5c11<\/li>\n\n\n\n<li>\u66f4\u597d\u7684&nbsp;<strong>\u9ad8\u9891 SiC \u5f00\u5173\u6027\u80fd<\/strong><\/li>\n\n\n\n<li>\u5728\u76f8\u540c\u8d1f\u8f7d\u4e0b\u8bbe\u5907\u6e29\u5ea6\u66f4\u4f4e<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u5728\u4e2d\u56fd\u7684\u7535\u52a8\u6c7d\u8f66\u5e73\u53f0\u4e2d\u5f88\u91cd\u8981\uff0c\u56e0\u4e3a\u6bcf\u4e00\u70b9\u529f\u7387\u7535\u5b50\u6548\u7387\u7684\u63d0\u5347\u90fd\u6709\u52a9\u4e8e\u7eed\u822a\u3001\u70ed\u4f59\u91cf\u548c\u9006\u53d8\u5668\u5c3a\u5bf8\u3002\u5bf9\u4e8e\u8fd9\u79cd\u5de5\u4f5c\uff0c\u6211\u8fd8\u4f9d\u8d56\u4e8e\u4e00\u4e2a\u7a33\u5065\u7684SiC MOSFET\u53cc\u8109\u51b2\u6d4b\u8bd5\uff08DPT\uff09\u8bbe\u7f6e\uff0c\u4ee5\u4fbf\u6211\u53ef\u4ee5\u770b\u5230\u771f\u5b9e\u7684\u5f00\u5173\u884c\u4e3a\uff0c\u800c\u4e0d\u662f\u731c\u6d4b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9006\u53d8\u5668\u6a21\u5757\u6848\u4f8b<\/h3>\n\n\n\n<p>\u5bf9\u4e8e\u9006\u53d8\u5668\u6a21\u5757\uff0c\u6211\u53d1\u73b0\u5206\u79bb\u7535\u963b\u548c\u66f4\u6e05\u6670\u7684\u5e03\u5c40\u6bd4\u5355\u7eaf\u964d\u4f4eRg\u83b7\u5f97\u66f4\u597d\u7684\u7ed3\u679c\u3002\u4f7f\u7528\u5355\u72ec\u7684\u5f00\u542f\u548c\u5173\u95ed\u7535\u963b\uff0c\u52a0\u4e0a\u51ef\u5c14\u6587\u6e90\u8def\u5f84\uff0c\u6709\u52a9\u4e8e\u51cf\u5c11SiC MOSFET\u7684\u95ee\u9898\u7684EMI\u6291\u5236\uff0c\u5e76\u4f7f\u6805\u6781\u9a71\u52a8\u66f4\u52a0\u7a33\u5b9a\u3002<\/p>\n\n\n\n<p>\u4e00\u4e2a\u597d\u7684\u8bbe\u7f6e\u901a\u5e38\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Rg_on<\/strong>&nbsp;\u548c&nbsp;<strong>Rg_off<\/strong>&nbsp;\u5355\u72ec\u8c03\u8c10<\/li>\n\n\n\n<li>\u7d27\u51d1\u7684\u6805\u6781\u56de\u8def\u5e03\u7ebf<\/li>\n\n\n\n<li>\u51ef\u5c14\u6587\u6e90\u8fde\u63a5<\/li>\n\n\n\n<li>\u6805\u6781\u7535\u8def\u4e2d\u8f83\u4f4e\u7684\u5bc4\u751f\u7535\u611f<\/li>\n\n\n\n<li>\u66f4\u597d\u5730\u63a7\u5236\u7c73\u52d2\u6548\u5e94\u865a\u5047\u5f00\u542f\u7684\u9884\u9632<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u79cd\u65b9\u6cd5\u5728\u4e2d\u56fd\u7684\u5de5\u4e1a\u548c\u53ef\u518d\u751f\u9006\u53d8\u5668\u7cfb\u7edf\u4e2d\u5c24\u5176\u6709\u7528\uff0c\u56e0\u4e3a\u5408\u89c4\u6027\u3001\u566a\u58f0\u63a7\u5236\u548c\u6b63\u5e38\u8fd0\u884c\u65f6\u95f4\u4e0e\u6548\u7387\u540c\u6837\u91cd\u8981\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6211\u5305\u542b\u7684\u6570\u636e<\/h3>\n\n\n\n<p>\u5f53\u6211\u8bb0\u5f55\u4e00\u4e2a\u6848\u4f8b\u65f6\uff0c\u6211\u4fdd\u6301\u7b80\u5355\u548c\u53ef\u6d4b\u91cf\u3002\u6211\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u524d\u540e\u6ce2\u5f62<\/strong>&nbsp;\u5bf9\u4e8e Vgs\u3001Vds \u548c Id<\/li>\n\n\n\n<li>\u5f00\u5173\u635f\u8017\u5206\u89e3<\/li>\n\n\n\n<li>\u70ed\u5347\u9ad8\u6570\u636e<\/li>\n\n\n\n<li>EMI \u626b\u63cf\u7ed3\u679c<\/li>\n\n\n\n<li>\u5173\u4e8e\u5e03\u5c40\u548c\u6805\u6781\u9a71\u52a8\u5668\u8bbe\u7f6e\u7684\u8bf4\u660e<\/li>\n\n\n\n<li>\u529f\u7387\u6a21\u5757\u7684\u6700\u7ec8 Rg \u8ba1\u7b97\u65b9\u6cd5<\/li>\n<\/ul>\n\n\n\n<p>\u5982\u679c\u6211\u4f7f\u7528 HIITIO \u6a21\u5757\u793a\u4f8b\uff0c\u6211\u8fd8\u4f1a\u5c06\u7ed3\u679c\u4e0e\u6a21\u5757\u7684\u70ed\u884c\u4e3a\u4ee5\u53ca\u6d4b\u8bd5\u4e2d\u4f7f\u7528\u7684\u6805\u6781\u9a71\u52a8\u5668\u4f18\u5316\u6280\u672f\u7684\u5b9e\u9645\u9650\u5236\u8fdb\u884c\u6bd4\u8f83\u3002\u4e3a\u4e86\u66f4\u5e7f\u6cdb\u5730\u4e86\u89e3\u566a\u58f0\u63a7\u5236\uff0c\u6211\u8fd8\u53c2\u8003\u4e86\u8fd9\u672c\u6307\u5357\u00a0<strong><a href=\"https:\/\/www.hiitiosemi.com\/blog\/practical-emc-design-optimization-for-power-modules-with-low-emi\/\">\u9488\u5bf9\u4f4e EMI \u7684\u529f\u7387\u6a21\u5757\u7684\u5b9e\u7528 EMC \u8bbe\u8ba1\u4f18\u5316<\/a><\/strong>.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>SiC MOSFET 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