{"id":7371,"date":"2020-07-22T00:00:06","date_gmt":"2020-07-21T15:00:06","guid":{"rendered":"https:\/\/techclass.wfjydl.com\/?p=7371"},"modified":"2022-08-18T10:59:10","modified_gmt":"2022-08-18T02:59:10","slug":"sic-mosfet%e7%9a%84%e6%a0%85%e6%9e%81%e9%a9%b1%e5%8a%a8%e7%94%b5%e8%b7%af%e5%92%8cturn-on-turn-off%e5%8a%a8%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/sic\/a-sic\/01-a-sic\/9026","title":{"rendered":"SiC MOSFET\u7684\u6805\u6781\u9a71\u52a8\u7535\u8def\u548cTurn-on\/Turn-off\u52a8\u4f5c"},"content":{"rendered":"

\u672c\u6587\u5c06\u9488\u5bf9\u4e0a\u4e00\u7bc7\u6587\u7ae0<\/a>\u4e2d\u4ecb\u7ecd\u8fc7\u7684SiC MOSFET\u6865\u5f0f\u7ed3\u6784\u7684\u6805\u6781\u9a71\u52a8\u7535\u8def\u53ca\u5176\u5bfc\u901a(Turn-on)\/\u5173\u65ad( Turn-off)\u52a8\u4f5c\u8fdb\u884c\u89e3\u8bf4\u3002<\/p>\n

SiC MOSFET\u6865\u5f0f\u7ed3\u6784\u7684\u6805\u6781\u9a71\u52a8\u7535\u8def<\/strong><\/p>\n

LS\uff08\u4f4e\u8fb9\uff09\u4fa7SiC MOSFET Turn-on\u548cTurn-off\u65f6\u7684VDS<\/sub>\u548cID<\/sub>\u7684\u53d8\u5316\u65b9\u5f0f\u4e0d\u540c\u3002\u5728\u63a2\u8ba8SiC MOSFET\u7684\u8fd9\u79cd\u53d8\u5316\u5bf9Gate-Source\u7535\u538b\uff08VGS<\/sub>\uff09\u5e26\u6765\u7684\u5f71\u54cd\u65f6,\u9700\u8981\u5728\u5305\u62ecSiC MOSFET\u7684\u6805\u6781\u9a71\u52a8\u7535\u8def\u7684\u5bc4\u751f\u5206\u91cf\u5728\u5185\u7684\u7b49\u6548\u7535\u8def\u57fa\u7840\u4e0a\u8fdb\u884c\u8003\u91cf\u3002<\/p>\n

\n
\n

\u53f3\u56fe\u662f\u6700\u57fa\u672c\u7684\u6805\u6781\u9a71\u52a8\u7535\u8def\u548cSiC MOSFET\u7684\u7b49\u6548\u7535\u8def\u3002\u6805\u6781\u9a71\u52a8\u7535\u8def\u4e2d\u5305\u62ec\u6805\u6781\u4fe1\u53f7\uff08VG<\/sub>\uff09\u3001SiC MOSFET\u5185\u90e8\u7684\u6805\u6781\u7ebf\u8def\u5185\u963b\uff08RG_INT<\/sub>\uff09\u3001\u4ee5\u53caSiC MOSFET\u7684\u5c01\u88c5\u7684\u6e90\u6781\u7535\u611f\u91cf\uff08LSOURCE<\/sub>\uff09\u3001\u6805\u6781\u7535\u8def\u5c40\u90e8\u4ea7\u751f\u7684\u7535\u611f\u91cf\uff08LTRACE<\/sub>\uff09\u548c\u5916\u52a0\u6805\u6781\u7535\u963b\uff08RG_INT<\/sub>\uff09\u3002<\/p>\n<\/p><\/div>\n

\"SiC<\/div>\n<\/div>\n

\u5173\u4e8e\u5404\u7535\u538b\u548c\u7535\u6d41\u7684\u6781\u6027\uff0c\u9700\u8981\u5728\u7b49\u6548\u7535\u8def\u56fe\u4e2d\uff0c\u4ee5\u6805\u6781\u7535\u6d41\uff08IG<\/sub>\uff09\u548c\u6f0f\u6781\u7535\u6d41\uff08ID<\/sub>\uff09\u6240\u793a\u7684\u65b9\u5411\u4e3a\u6b63\uff0c\u4ee5\u6e90\u6781\u5f15\u811a\u4e3a\u57fa\u51c6\u6765\u5b9a\u4e49VGS<\/sub>\u548cVDS<\/sub>\u3002<\/p>\n

SiC MOSFET\u5185\u90e8\u7684\u6805\u6781\u7ebf\u8def\u4e2d\u4e5f\u5b58\u5728\u7535\u611f\u91cf\uff0c\u4f46\u7531\u4e8e\u5b83\u6bd4LTRACE<\/sub>\u5c0f\uff0c\u56e0\u6b64\u5728\u6b64\u5ffd\u7565\u4e0d\u8ba1\u3002<\/p>\n

\u5bfc\u901a(Turn-on)\/\u5173\u65ad( Turn-off)\u52a8\u4f5c<\/strong><\/p>\n

\n
\n

\u4e3a\u4e86\u7406\u89e3\u6865\u5f0f\u7535\u8def\u7684Turn-on \/ Turn-off\u52a8\u4f5c\uff0c\u4e0b\u9762\u5bf9\u4e0a\u4e00\u7bc7\u6587\u7ae0\u4e2d\u63d0\u5230\u7684\u6865\u5f0f\u7535\u8def\u4e2d\u5404SiC MOSFET\u7684\u7535\u538b\u548c\u7535\u6d41\u6ce2\u5f62\u8fdb\u884c\u8be6\u7ec6\u8bf4\u660e\u3002\u4e0b\u9762\u7684\u6ce2\u5f62\u56fe\u4e0e\u4e0a\u6b21\u7684\u6ce2\u5f62\u56fe\u662f\u76f8\u540c\u7684\u3002\u6211\u4eec\u548c\u524d\u9762\u7684\u7b49\u6548\u7535\u8def\u56fe\u7ed3\u5408\u8d77\u6765\u8fdb\u884c\u8bf4\u660e\u3002<\/p>\n

\u5f53\u6b63\u7684VG<\/sub>\u88ab\u65bd\u52a0\u7ed9LS\u4fa7\u6805\u6781\u4fe1\u53f7\u4ee5\u4f7fLS\u4fa7ON\u65f6\uff0cGate-Source\u95f4\u7535\u5bb9\uff08CGS<\/sub>\uff09\u5f00\u59cb\u5145\u7535\uff0cVGS<\/sub>\u4e0a\u5347\uff0c\u5f53\u8fbe\u5230SiC MOSFET\u7684\u6805\u6781\u9608\u503c\u7535\u538b\uff08VGS(th)<\/sub>\uff09\u4ee5\u4e0a\u65f6\uff0c LS\u7684ID<\/sub>\u5f00\u59cb\u6d41\u52a8\uff0c\u540c\u65f6\u4ece\u6e90\u6781\u6d41\u5411\u6f0f\u6781\u65b9\u5411\u7684HS\u4fa7ID<\/sub>\u5f00\u59cb\u51cf\u5c11\u3002\u8fd9\u4e2a\u65f6\u95f4\u8303\u56f4\u5c31\u662f\u524d\u4e00\u7bc7\u6587\u7ae0\u4e2d\u5b9a\u4e49\u7684T1\uff08\u89c1\u6ce2\u5f62\u56fe\u6700\u4e0b\u65b9\uff09\u3002<\/p>\n<\/p><\/div>\n

\"\u5bfc\u901a(Turn-on)\/\u5173\u65ad(<\/div>\n<\/div>\n

\u63a5\u4e0b\u6765\uff0c\u5f53HS\u4fa7\u7684ID<\/sub>\u53d8\u4e3a\u96f6\u3001\u5bc4\u751f\u4e8c\u6781\u7ba1 Turn-off\u65f6\uff0c\u4e0e\u4e2d\u95f4\u70b9\u7684\u7535\u538b\uff08VSW<\/sub>\uff09\u5f00\u59cb\u4e0b\u964d\u7684\u540c\u65f6\uff0c\u5c06\u5bf9HS\u4fa7\u7684Drain-Source\u95f4\u7535\u5bb9\uff08CDS<\/sub>\uff09\u53caDrain-Gate\u95f4\u7535\u5bb9\uff08CGD<\/sub>\uff09\u8fdb\u884c\u5145\u7535\uff08\u6ce2\u5f62\u56feT2\uff09\u3002\u5bf9\u8be5HS\u4fa7\u7684CDS<\/sub>\uff0bCGD<\/sub>\u5145\u7535\uff08LS\u4fa7\u653e\u7535\uff09\u5b8c\u6210\u540e\uff0c\u5f53LS\u4fa7\u7684VGS<\/sub>\u8fbe\u5230\u6307\u5b9a\u7684\u7535\u538b\u503c\uff0cLS\u4fa7\u7684 Turn-on\u52a8\u4f5c\u5b8c\u6210\u3002<\/p>\n

\u800cTurn-off\u52a8\u4f5c\u5219\u5728LS\u4fa7VG<\/sub> OFF\u65f6\u5f00\u59cb\uff0cLS\u4fa7\u7684CGS<\/sub>\u84c4\u79ef\u7684\u7535\u8377\u5f00\u59cb\u653e\u7535\uff0c\u5f53\u8fbe\u5230SiC MOSFET\u7684\u5e73\u53f0\u7535\u538b\uff08\u8fdb\u5165\u7c73\u52d2\u6548\u5e94\u533a\uff09\u65f6\uff0cLS\u4fa7\u7684VDS<\/sub>\u5f00\u59cb\u4e0a\u5347\uff0c\u540c\u65f6VSW<\/sub>\u4e0a\u5347\u3002<\/p>\n

\u5728\u8fd9\u4e2a\u65f6\u95f4\u70b9\uff0c\u5927\u90e8\u5206\u8d1f\u8f7d\u7535\u6d41\u4ecd\u5728LS\u4fa7\u6d41\u52a8\uff08\u6ce2\u5f62\u56feT4\uff09\uff0cHS\u4fa7\u7684\u5bc4\u751f\u4e8c\u6781\u7ba1\u8fd8\u6ca1\u6709\u8f6c\u6d41\u7535\u6d41\u3002LS\u4fa7\u7684CDS<\/sub>+CGD<\/sub>\u5145\u7535\uff08HS\u4fa7\u4e3a\u653e\u7535\uff09\u5b8c\u6210\u65f6\uff0cVSW<\/sub>\u8d85\u8fc7\u8f93\u5165\u7535\u538b\uff08E\uff09\uff0cHS\u4fa7\u7684\u5bc4\u751f\u4e8c\u6781\u7ba1Turn-on\uff0cLS\u4fa7\u7684ID<\/sub>\u5f00\u59cb\u8f6c\u5411HS\u4fa7\u6d41\u52a8\uff08\u6ce2\u5f62\u56feT5\uff09\u3002<\/p>\n

LS\u4fa7\u7684ID<\/sub>\u6700\u7ec8\u53d8\u4e3a\u96f6\uff0c\u8fdb\u5165\u6b7b\u533a\u65f6\u95f4\uff08\u6ce2\u5f62\u56feT6\uff09\uff0c\u5f53\u6b63\u7684VG<\/sub>\u88ab\u5370\u52a0\u7ed9HS\u4fa7MOSFET\u7684\u6805\u6781\u4fe1\u53f7\u65f6Turn-on\uff0c\u8fdb\u5165\u540c\u6b65\u5de5\u4f5c\u65f6\u95f4\uff08\u6ce2\u5f62\u56feT7\uff09\u3002<\/p>\n

\u5728\u8fd9\u4e00\u7cfb\u5217\u7684\u5f00\u5173\u5de5\u4f5c\u4e2d\uff0cHS\u4fa7\u548cLS\u4fa7MOSFET\u7684VDS<\/sub>\u548cID<\/sub>\u53d8\u5316\u5bfc\u81f4\u7684\u5404\u79cd\u6805\u6781\u7535\u6d41\u6d41\u52a8\uff0c\u9020\u6210\u4e86\u4e0e\u65bd\u52a0\u4fe1\u53f7VG<\/sub>\u4e0d\u540c\u7684VGS<\/sub>\u53d8\u5316\u3002\u5177\u4f53\u5185\u5bb9\u5c06\u5728\u4e0b\u4e00\u7bc7\u6587\u7ae0\u8fdb\u884c\u8be6\u7ec6\u8bf4\u660e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u672c\u6587\u5c06\u9488\u5bf9\u4e0a\u4e00\u7bc7\u6587\u7ae0\u4e2d\u4ecb\u7ecd\u8fc7\u7684SiC MOSFET\u6865\u5f0f\u7ed3\u6784\u7684\u6805\u6781\u9a71\u52a8\u7535\u8def\u53ca\u5176\u5bfc\u901a(Turn-on)\/\u5173\u65ad( Turn-off)\u52a8\u4f5c\u8fdb\u884c\u89e3\u8bf4\u3002 SiC MOSFET\u6865\u5f0f\u7ed3\u6784\u7684\u6805\u6781\u9a71\u52a8\u7535\u8def LS\uff08\u4f4e\u8fb9\uff09\u4fa7SiC MOSFET […]","protected":false},"author":4,"featured_media":18168,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1147],"tags":[49,176,178,306,1148,1149,1150,1168,1169,1912,1913],"class_list":["post-7371","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-01-a-sic","tag-49","tag-sic","tag-178","tag-igbt","tag-1148","tag-boost","tag-1150","tag-sicmosfet","tag-on-off","tag-1912","tag-1913"],"acf":[],"wps_subtitle":"","_links":{"self":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/7371","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/comments?post=7371"}],"version-history":[{"count":8,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/7371\/revisions"}],"predecessor-version":[{"id":10310,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/7371\/revisions\/10310"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media\/18168"}],"wp:attachment":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media?parent=7371"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/categories?post=7371"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/tags?post=7371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}