{"id":115547,"date":"2026-10-12T14:49:12","date_gmt":"2026-10-12T06:49:12","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/115547.html"},"modified":"2026-10-12T14:49:12","modified_gmt":"2026-10-12T06:49:12","slug":"%e6%9c%ba%e5%99%a8%e4%ba%ba%e5%8a%9f%e7%8e%87%e5%99%a8%e4%bb%b6%e8%a7%a3%e6%9e%90%ef%bc%9asgt-mosfet-%e5%9c%a8%e5%85%b3%e8%8a%82%e7%94%b5%e6%9c%ba%e9%a9%b1%e5%8a%a8%e4%b8%8e%e9%94%82%e7%94%b5%e4%bf%9d","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/115547.html","title":{"rendered":"\u673a\u5668\u4eba\u529f\u7387\u5668\u4ef6\u89e3\u6790\uff1aSGT MOSFET \u5728\u5173\u8282\u7535\u673a\u9a71\u52a8\u4e0e\u9502\u7535\u4fdd\u62a4\u4e2d\u7684\u5173\u952e\u53c2\u6570\u4e0e\u9002\u914d\u903b\u8f91"},"content":{"rendered":"

\u6458\u8981：\u4eba\u5f62\u673a\u5668\u4eba\u91cf\u4ea7\u5316\u5bf9\u529f\u7387\u5668\u4ef6\u63d0\u51fa\u9ad8\u9891\u3001\u9ad8\u5bc6\u5ea6\u3001\u9ad8\u53ef\u9760\u4e09\u91cd\u8003\u9a8c\u3002\u672c\u6587\u89e3\u6790SGT MOSFET（\u5c4f\u853d\u6805\u6c9f\u69fd MOSFET）\u7684\u7ed3\u6784\u539f\u7406\u4e0e\u5173\u952e\u53c2\u6570，\u62c6\u89e3\u5173\u8282\u7535\u673a\u9a71\u52a8（20kHz~50kHz PWM \u4e09\u76f8\u5168\u6865）\u4e0e\u9502\u7535\u4fdd\u62a4（\u4e3b\u56de\u8def\u4e32\u8054\u3001RDS(on) \u654f\u611f）\u4e24\u5927\u573a\u666f\u7684\u9009\u578b\u5dee\u5f02，\u9644\u5355\u673a\u7528\u91cf\u4f30\u7b97\u4e0e\u9009\u578b\u8981\u70b9，\u4f9b\u673a\u5668\u4eba\u786c\u4ef6\u5de5\u7a0b\u5e08\u53c2\u8003\u3002<\/p>\n

\"\"<\/p>\n

\u56fe1：\u4eba\u5f62\u673a\u5668\u4eba\u5173\u8282\u7535\u673a\u9a71\u52a8\u5e94\u7528\u793a\u610f<\/p>\n

\u4e00\u3001SGT \u7ed3\u6784：\u4e3a\u4ec0\u4e48\u5c4f\u853d\u6805\u80fd\u540c\u65f6\u538b\u964d Cgd \u4e0e RDS(on)<\/h3>\n

SGT（Shielded Gate Trench）MOSFET \u662f\u5728\u4f20\u7edf\u6c9f\u69fd MOSFET \u57fa\u7840\u4e0a\u5f15\u5165\u5c4f\u853d\u6805\u7ed3\u6784\u7684\u65b0\u4e00\u4ee3\u529f\u7387\u5668\u4ef6\u3002\u4f20\u7edf\u6c9f\u69fd\u7ed3\u6784\u5728\u8010\u538b\u4e0e\u5bfc\u901a\u7535\u963b\u4e4b\u95f4\u505a\u53d6\u820d：\u6f02\u79fb\u533a\u6d53\u5ea6\u63d0\u9ad8\u4f1a\u964d\u4f4e RDS(on)，\u4f46\u4f1a\u62c9\u9ad8\u6805\u6f0f\u7535\u5bb9 Cgd \u5e76\u727a\u7272\u8010\u538b\u3002SGT \u7ed3\u6784\u5728\u6805\u6781\u4e0b\u65b9\u589e\u52a0\u5c4f\u853d\u7535\u6781，\u628a\u6805\u6781\u4e0e\u6f02\u79fb\u533a\u4e4b\u95f4\u7684\u8026\u5408\u5c4f\u853d\u6389，\u4ece\u800c\u540c\u65f6\u5b9e\u73b0\u6805\u6f0f\u7535\u5bb9（Cgd）\u4e0e\u5bfc\u901a\u7535\u963b（RDS(on)）\u7684\u5927\u5e45\u964d\u4f4e，\u5e76\u63d0\u5347\u5668\u4ef6\u8010\u538b\u80fd\u529b\u3002<\/p>\n

\u5bf9\u5de5\u7a0b\u9009\u578b\u800c\u8a00，\u8fd9\u4e2a\u7ed3\u6784\u7279\u6027\u5e26\u6765\u7684\u76f4\u63a5\u6536\u76ca\u662f：\u76f8\u540c\u82af\u7247\u9762\u79ef\u4e0b，RDS(on) \u53ef\u964d\u4f4e 30%~50%；\u6805\u7535\u8377 Qg \u548c\u6805\u6f0f\u7535\u8377 Qgd \u663e\u8457\u964d\u4f4e，\u5f00\u5173\u635f\u8017\u5c0f；\u7535\u538b\u5e73\u53f0\u8986\u76d6 20V~150V，\u6210\u719f\u4ea7\u54c1\u6db5\u76d6\u673a\u5668\u4eba 48V\/60V\/72V \u5e38\u7528\u6bcd\u7ebf\u7535\u538b\u7b49\u7ea7\u3002<\/p>\n

\u4e8c\u3001\u5173\u8282\u7535\u673a\u9a71\u52a8：\u9ad8\u9891 PWM \u4e0b\u7684\u9009\u578b\u903b\u8f91<\/h3>\n

\u4eba\u5f62\u673a\u5668\u4eba\u901a\u5e38\u91c7\u7528 BLDC \u6216 PMSM \u4f5c\u4e3a\u5173\u8282\u6267\u884c\u5668，\u6bcf\u4e2a\u5173\u8282\u7535\u673a\u5bf9\u5e94\u4e00\u4e2a\u4e09\u76f8\u5168\u6865\u9006\u53d8\u5668，\u6bcf\u76f8\u4e0a\u4e0b\u6865\u81c2\u5404\u4e00\u9897 MOSFET\u3002\u5173\u8282\u9a71\u52a8\u5668\u5f00\u5173\u9891\u7387\u901a\u5e38\u5728 20kHz~50kHz \u533a\u95f4，\u4ee5\u5b9e\u73b0\u5e73\u6ed1\u529b\u77e9\u8f93\u51fa\u4e0e\u5feb\u901f\u52a8\u6001\u54cd\u5e94\u3002<\/p>\n

\u8fd9\u4e00\u5de5\u51b5\u4e0b\u9009\u578b\u5173\u6ce8\u56db\u70b9：\u5f00\u5173\u635f\u8017\u2014\u2014\u9ad8\u9891 PWM \u4e0b\u5f00\u5173\u635f\u8017\u5360\u6bd4\u4e0a\u5347，\u4f4e Qg\/Qgd \u662f\u786c\u6307\u6807；\u5bfc\u901a\u635f\u8017\u2014\u2014\u5173\u8282\u6301\u7eed\u5927\u7535\u6d41\u8f93\u51fa\u65f6，\u4f4e RDS(on) \u76f4\u63a5\u51b3\u5b9a\u53d1\u70ed\u4e0e\u6548\u7387；\u5c01\u88c5\u4e0e\u6563\u70ed\u2014\u2014\u5173\u8282\u9a71\u52a8\u5668\u5d4c\u5165\u5173\u8282\u6a21\u7ec4\u5185\u90e8，DFN5\u00d76 \u5c01\u88c5（\u542b DFN5x6-DSC \u53cc\u9762\u6563\u70ed\u5c01\u88c5）\u5728\u6709\u9650 PCB \u9762\u79ef\u5185\u63d0\u4f9b\u66f4\u5927\u7684\u7535\u6d41\u627f\u8f7d\u4e0e\u66f4\u4f18\u7684\u6563\u70ed\u8def\u5f84；\u53ef\u9760\u6027\u2014\u2014\u673a\u5668\u4eba\u884c\u8d70\u3001\u8f6c\u8eab\u3001\u6025\u505c\u3001\u8d1f\u91cd\u5de5\u51b5\u4e0b\u7535\u6d41\u52a8\u6001\u8303\u56f4\u5927，\u9700\u5173\u6ce8\u96ea\u5d29\u6d4b\u8bd5\u3001\u70ed\u963b\u6d4b\u8bd5\u4e0e\u8001\u5316\u9a8c\u8bc1\u6570\u636e\u3002<\/p>\n

\"\"<\/p>\n

\u56fe2：SGT MOSFET \u5e94\u7528\u4e0e\u5c01\u88c5\u793a\u610f<\/p>\n

\u4e09\u3001\u9502\u7535\u4fdd\u62a4：\u4e3b\u56de\u8def\u4e32\u8054\u573a\u666f\u7684\u9009\u578b\u903b\u8f91<\/h3>\n

\u673a\u5668\u4eba\u901a\u5e38\u91c7\u7528 48V \u6216 60V \u9502\u7535\u6c60\u7ec4\u4f9b\u7535，BMS \u4e0e\u529f\u7387\u4fdd\u62a4\u7535\u8def\u7684\u6267\u884c\u673a\u6784\u6b63\u662f MOSFET\u3002\u4fdd\u62a4\u529f\u80fd\u8986\u76d6\u8fc7\u5145\u3001\u8fc7\u653e\u3001\u5145\u653e\u7535\u8fc7\u6d41\u3001\u77ed\u8def\u3001\u9632\u53cd\u63a5\u4e0e\u4e0a\u7535\u9884\u5145\u7535\u3002\u4e0e\u7535\u673a\u9a71\u52a8\u4e0d\u540c，\u7535\u6c60\u4fdd\u62a4 MOSFET \u957f\u671f\u4e32\u8054\u5728\u7535\u6c60\u4e3b\u56de\u8def\u4e2d，\u6301\u7eed\u627f\u8f7d\u6574\u673a\u5de5\u4f5c\u7535\u6d41\u2014\u2014\u56e0\u6b64 RDS(on) \u6210\u4e3a\u8be5\u573a\u666f\u9996\u8981\u53c2\u6570：\u6bcf\u6beb\u6b27\u7684\u964d\u4f4e，\u90fd\u610f\u5473\u7740\u66f4\u957f\u7684\u7eed\u822a\u65f6\u95f4\u4e0e\u66f4\u4f4e\u7684\u53d1\u70ed\u3002<\/p>\n

SGT \u5de5\u827a\u53ef\u5b9e\u73b0 RDS(on) \u4f4e\u81f3 0.55m\u03a9（\u5178\u578b\u503c）；\u5728\u5f02\u5e38\u5de5\u51b5（\u77ed\u8def\u3001\u5c16\u5cf0\u7535\u538b）\u4e0b，\u4fdd\u62a4 MOSFET \u9700\u5177\u5907\u8db3\u591f\u7684\u96ea\u5d29\u80fd\u91cf\u627f\u53d7\u80fd\u529b（UIS），\u5728\u4fdd\u62a4\u89e6\u53d1\u524d\u625b\u4f4f\u77ac\u6001\u51b2\u51fb；\u8010\u538b\u9009\u62e9\u4e0a，60V\u300180V\u3001100V \u7b49\u7535\u538b\u7b49\u7ea7\u5747\u6709\u6210\u719f\u4ea7\u54c1，\u53ef\u6839\u636e\u7cfb\u7edf\u7535\u538b\u4e0e\u6d6a\u6d8c\u5de5\u51b5\u9009\u62e9\u5408\u7406\u7684\u8010\u538b\u88d5\u91cf，\u517c\u987e\u6210\u672c\u4e0e\u53ef\u9760\u6027\u3002<\/p>\n

\u56db\u3001\u4e24\u5927\u573a\u666f\u9009\u578b\u5dee\u5f02\u901f\u89c8<\/h3>\n

\u5173\u8282\u7535\u673a\u9a71\u52a8\u4e0e\u9502\u7535\u4fdd\u62a4\u540c\u5c5e SGT MOSFET \u7684\u6838\u5fc3\u5e94\u7528，\u4f46\u9009\u578b\u4fa7\u91cd\u70b9\u5dee\u5f02\u660e\u663e：\u5173\u8282\u9a71\u52a8\u504f\u91cd\u5f00\u5173\u7279\u6027（Qg\/Qgd\u3001\u9ad8\u9891\u635f\u8017）\u4e0e\u5c01\u88c5\u6563\u70ed（\u53cc\u9762\u6563\u70ed\u5c01\u88c5），\u5de5\u4f5c\u5728\u5f00\u5173\u72b6\u6001；\u9502\u7535\u4fdd\u62a4\u504f\u91cd\u5bfc\u901a\u7279\u6027（m\u03a9 \u7ea7 RDS(on)）\u4e0e\u4fdd\u62a4\u8010\u91cf（UIS \u96ea\u5d29\u80fd\u91cf），\u957f\u671f\u4e32\u8054\u5728\u4e3b\u56de\u8def\u4e2d\u3002\u9009\u578b\u65f6\u5148\u6309\u573a\u666f\u5b9a\u4f4d，\u518d\u9010\u9879\u6838\u5bf9\u53c2\u6570，\u907f\u514d\u628a\u5173\u8282\u9a71\u52a8\u7684"\u9ad8\u9891\u4f4e\u635f"\u903b\u8f91\u5957\u7528\u5230\u4fdd\u62a4\u7535\u8def\u4e0a\u3002<\/p>\n

\"\"<\/p>\n

\u56fe3：\u4e24\u5927\u573a\u666f\u9009\u578b\u8981\u70b9\u5bf9\u6bd4<\/p>\n

\u4e94\u3001\u53ef\u9760\u6027\u4e0e\u5c01\u88c5\u7ec6\u8282<\/h3>\n

\u673a\u5668\u4eba\u5de5\u51b5\u5bf9\u5668\u4ef6\u53ef\u9760\u6027\u63d0\u51fa\u7279\u6b8a\u8981\u6c42：\u9891\u7e41\u542f\u505c\u3001\u77ac\u65f6\u8fc7\u8f7d\u4e0e\u632f\u52a8\u51b2\u51fb\u662f\u5e38\u6001\u3002\u9009\u578b\u65f6\u5e94\u6838\u5bf9\u5668\u4ef6\u7684\u96ea\u5d29\u6d4b\u8bd5\u3001\u70ed\u963b\u6d4b\u8bd5\u4e0e\u8001\u5316\u9a8c\u8bc1\u6570\u636e，\u786e\u8ba4 UIS \u96ea\u5d29\u80fd\u91cf\u6ee1\u8db3\u4fdd\u62a4\u573a\u666f\u7684\u77ac\u6001\u9700\u6c42；\u5c01\u88c5\u5c42\u9762，DFN5x6-DSC \u53cc\u9762\u6563\u70ed\u5c01\u88c5\u901a\u8fc7\u4e0a\u4e0b\u4e24\u9762\u5bfc\u70ed\u8def\u5f84\u63d0\u5347\u6563\u70ed\u80fd\u529b，\u5bf9\u5173\u8282\u9a71\u52a8\u5668\u8fd9\u7c7b\u5d4c\u5165\u6a21\u7ec4\u5185\u90e8\u7684\u9ad8\u5bc6\u5ea6\u573a\u666f\u5c24\u4e3a\u5b9e\u7528，\u53ef\u5728\u6709\u9650 PCB \u9762\u79ef\u5185\u517c\u987e\u7535\u6d41\u627f\u8f7d\u4e0e\u70ed\u8bbe\u8ba1\u3002<\/p>\n

\u516d\u3001\u5355\u673a\u7528\u91cf\u4e0e\u5de5\u7a0b\u5bfc\u5165<\/h3>\n

\u5f53\u524d\u4e3b\u6d41\u4eba\u5f62\u673a\u5668\u4eba（\u542b\u7075\u5de7\u624b）\u901a\u5e38\u62e5\u6709 40~50 \u4e2a\u5173\u8282\u7535\u673a\u3002\u4ec5\u5173\u8282\u7535\u673a\u9a71\u52a8\u90e8\u5206，\u5355\u53f0\u673a\u5668\u4eba SGT MOSFET \u7528\u91cf\u7ea6 200~350 \u9897；\u8ba1\u5165\u5927\u626d\u77e9\u5173\u8282\u5e76\u8054\u65b9\u6848\u4e0e\u5236\u52a8\u6cc4\u653e\u7535\u8def\u540e，\u6574\u673a\u7535\u673a\u9a71\u52a8\u76f8\u5173\u7528\u91cf\u53ef\u8fbe 250~400 \u9897\u3002\u8fd9\u4e00\u91cf\u7ea7\u610f\u5473\u7740\u9009\u578b\u7684\u6807\u51c6\u5316\u4ef7\u503c\u7a81\u51fa：\u7edf\u4e00\u7cfb\u5217\u3001\u7edf\u4e00\u5c01\u88c5\u89c4\u5212，\u53ef\u663e\u8457\u7b80\u5316 BOM \u7ba1\u7406\u4e0e\u91c7\u8d2d\u534f\u540c\u3002<\/p>\n

\u00a0SGT MOSFET \u7535\u538b\u5e73\u53f0\u5df2\u8986\u76d6 25V~200V，\u6db5\u76d6 40V\u300160V\u300180V\u3001100V \u7b49\u673a\u5668\u4eba\u5e38\u7528\u7535\u538b\u7b49\u7ea7，\u5f62\u6210\u4ece\u51e0\u5341\u5b89\u5230\u6570\u767e\u5b89\u7684\u5b8c\u6574\u4ea7\u54c1\u77e9\u9635；\u5168\u7cfb\u5217\u91c7\u7528 DFN \u7cfb\u5217\u5c01\u88c5，\u90e8\u5206\u7535\u6d41\u7248\u672c\u652f\u6301\u53cc\u9762\u6563\u70ed，\u517c\u987e\u8d85\u4f4e\u5bc4\u751f\u7535\u611f\u4e0e\u6563\u70ed\u6027\u80fd\u3002\u5143\u5668\u732b\u662f\u65b0\u6d01\u80fd\u6388\u6743\u4ee3\u7406\u5546，\u6b63\u5728\u8bc4\u4f30\u673a\u5668\u4eba\u529f\u7387\u65b9\u6848\u7684\u5de5\u7a0b\u5e08\u53ef\u8fdb\u4e00\u6b65\u54a8\u8be2\u9009\u578b\u3002\u6b22\u8fce\u641c\u7d22\u54a8\u8be2\u5143\u5668\u732b<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6458\u8981：\u4eba\u5f62\u673a\u5668\u4eba\u91cf\u4ea7\u5316\u5bf9\u529f\u7387\u5668\u4ef6\u63d0\u51fa\u9ad8\u9891\u3001\u9ad8\u5bc6\u5ea6\u3001\u9ad8\u53ef\u9760\u4e09\u91cd\u8003\u9a8c\u3002\u672c\u6587\u89e3\u6790SGT MOSFET（\u5c4f\u853d\u6805\u6c9f\u69fd MOSFET）\u7684\u7ed3\u6784\u539f\u7406\u4e0e\u5173\u952e\u53c2\u6570，\u62c6\u89e3\u5173\u8282\u7535\u673a\u9a71\u52a8（20kHz~50kHz PWM \u4e09\u76f8\u5168\u6865）\u4e0e\u9502\u7535\u4fdd\u62a4（\u4e3b\u56de\u8def\u4e32\u8054\u3001RDS(on) \u654f\u611f）\u4e24\u5927\u573a\u666f\u7684\u9009\u578b\u5dee\u5f02，\u9644\u5355\u673a\u7528\u91cf\u4f30\u7b97\u4e0e\u9009\u578b\u8981\u70b9，\u4f9b\u673a\u5668\u4eba\u786c\u4ef6\u5de5\u7a0b\u5e08\u53c2\u8003\u3002\u56fe1：<\/p>\n","protected":false},"author":2,"featured_media":115544,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[13120,13119,384],"topic":[],"class_list":["post-115547","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-13120","tag-mos","tag-384"],"yoast_head":"\n\u673a\u5668\u4eba\u529f\u7387\u5668\u4ef6\u89e3\u6790\uff1aSGT MOSFET \u5728\u5173\u8282\u7535\u673a\u9a71\u52a8\u4e0e\u9502\u7535\u4fdd\u62a4\u4e2d\u7684\u5173\u952e\u53c2\u6570\u4e0e\u9002\u914d\u903b\u8f91 - 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