{"id":7765,"date":"2020-10-21T00:00:26","date_gmt":"2020-10-20T15:00:26","guid":{"rendered":"https:\/\/techclass.wfjydl.com\/?p=7765"},"modified":"2022-08-18T11:57:39","modified_gmt":"2022-08-18T03:57:39","slug":"%e4%bd%8e%e8%be%b9%e5%bc%80%e5%85%b3%e5%af%bc%e9%80%9a%e6%97%b6%e7%9a%84gate-source%e9%97%b4%e7%94%b5%e5%8e%8b%e7%9a%84%e5%8a%a8%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/sic\/a-sic\/01-a-sic\/9282","title":{"rendered":"\u4f4e\u8fb9\u5f00\u5173\u5bfc\u901a\u65f6\u7684Gate-Source\u95f4\u7535\u538b\u7684\u52a8\u4f5c"},"content":{"rendered":"

\u4e0a\u4e00\u7bc7\u6587\u7ae0<\/a>\u4e2d\uff0c\u7b80\u5355\u4ecb\u7ecd\u4e86SiC MOSFET\u6865\u5f0f\u7ed3\u6784\u4e2d\u6805\u6781\u9a71\u52a8\u7535\u8def\u7684\u5f00\u5173\u5de5\u4f5c\u5e26\u6765\u7684VDS<\/sub>\u548cID<\/sub>\u7684\u53d8\u5316\u6240\u4ea7\u751f\u7684\u7535\u6d41\u548c\u7535\u538b\u60c5\u51b5\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdSiC MOSFET\u5728LS\u5bfc\u901a\u65f6\u7684\u52a8\u4f5c\u60c5\u51b5\u3002<\/p>\n

SiC MOSFET\u4f4e\u8fb9\u5f00\u5173\u5bfc\u901a\u65f6\u7684Gate-Source\u95f4\u7535\u538b\u7684\u52a8\u4f5c<\/strong><\/p>\n

\u5f53SiC MOSFET\u7684LS\u5bfc\u901a\u65f6\uff0c\u9996\u5148ID<\/sub>\u4f1a\u53d8\u5316\uff08\u4e0b\u8ff0\u6ce2\u5f62\u793a\u610f\u56feT1\uff09\u3002\u6b64\u65f6LS\u7684ID<\/sub>\u6cbf\u589e\u52a0\u65b9\u5411\u3001HS\u7684ID<\/sub>\u6cbf\u51cf\u5c11\u65b9\u5411\u6d41\u52a8\uff0c\u53d7\u4e0b\u8ff0\u7b49\u6548\u7535\u8def\u56fe\u4e2d\u6240\u793a\u7684\u4e8b\u4ef6(I)\u5f71\u54cd\uff0c\u5728\u56fe\u4e2d\u6240\u793a\u7684\u6781\u6027\u4ea7\u751f\u516c\u5f0f\uff081\uff09\u7684\u7535\u52a8\u52bf\u3002\u516c\u5f0f\uff081\uff09\u4e0e\u4e0a\u4e00\u7bc7\u6587\u7ae0\u4e2d\u4f7f\u7528\u7684\u516c\u5f0f\u76f8\u540c\u3002\u8be5\u7535\u52a8\u52bf\u5f15\u8d77\u7684\u7535\u6d41\u5c06\u6e90\u6781\u4fa7\u4f5c\u4e3a\u6b63\u6781\u5bf9CGS<\/sub>\u8fdb\u884c\u5145\u7535\uff0c\u56e0\u6b64\u5728LS\u4f1a\u5c06VGS<\/sub>\u5411\u4e0b\u63a8\uff0c\u5728HS\u4f1a\u5c06VGS<\/sub>\u5411\u8d1f\u6781\u4fa7\u62c9\uff0c\u4f7f\u4e4b\u4ea7\u751f\u8d1f\u6d6a\u6d8c\uff08\u6ce2\u5f62\u793a\u610f\u56feVGS<\/sub>\u7684T1\uff09\u3002<\/p>\n

\"SiC<\/p>\n

\n

\"SiC<\/p>\n

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

\u5f53ID<\/sub>\u7684\u53d8\u5316\u7ed3\u675f\u65f6\uff0cLS\u7684VDS<\/sub>\u7684\u7535\u4f4d\u964d\u4f4e\uff08\u6ce2\u5f62\u793a\u610f\u56feT2\uff09\u3002\u6240\u4ee5\uff0c\u516c\u5f0f\uff082\uff09\u4e2d\u7684\u7535\u6d41\u5c31\u50cf\u7b49\u6548\u7535\u8def\u56fe\u4e2d\u7684(II)-1\u3001(II)-2\u90a3\u6837\u6d41\u52a8\uff0c\u5e76\u4e14VGS<\/sub>\u4f1a\u5206\u522b\u5f15\u53d1\u4e0b\u5217\u516c\u5f0f\uff083\uff09\u3001\uff084\uff09\u4e2d\u7684\u7535\u538b\u4e0a\u5347\u3002<\/p>\n

\"SiC<\/p>\n

VDS<\/sub>\u521a\u521a\u5f00\u59cb\u53d8\u5316\u540e\uff0c\u516c\u5f0f\uff083\uff09\u7684VGS<\/sub>\u4e0a\u5347\u4e3a\u4e3b\uff0c\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u516c\u5f0f\uff084\uff09\u7684VGS<\/sub>\u4e5f\u5f00\u59cb\u4e0a\u5347\u3002\u4e5f\u5c31\u662f\u8bf4\uff0cMOSFET\u7684CGD\/CGS<\/sub>\u6bd4\u3001\u9a71\u52a8\u7535\u8def\u7684RG_EXT<\/sub>\u3001\u6805\u6781\u9a71\u52a8\u4fe1\u53f7\u56fe\u5f62\u5e03\u7ebf\u7684\u7535\u611f\u503cLTRACE<\/sub>\u5177\u6709\u5f88\u5927\u5f71\u54cd\u3002<\/p>\n

\u5982\u7b49\u6548\u7535\u8def\u56fe\u6240\u793a\uff0cHS\u4e2d\u7684(II)-2\u7684\u7535\u6d41ICGD2<\/sub>\u5904\u4e8eVGS<\/sub>\u63d0\u5347\u65b9\u5411\u3002\u56e0\u6b64\uff0c\u672c\u6765\u5e94\u8be5\u5904\u4e8eOFF\u72b6\u6001\u7684HS\u56e0VGS<\/sub>\u7684\u63d0\u5347\u800c\u5f00\u59cb\u4e86\u5bfc\u901a\u5de5\u4f5c\u3002\u8fd9\u79cd\u73b0\u8c61\u79f0\u4e3a\u201c\u8bef\u542f\u52a8\u201d\u3002\u5f53HS\u53d1\u751f\u8bef\u542f\u52a8\u65f6\uff0c\u5c31\u4f1a\u4e0eLS\u7684\u5bfc\u901a\u5de5\u4f5c\u91cd\u53e0\uff0c\u81f4\u4f7fHS\u548cLS\u7684MOSFET\u540c\u65f6\u5bfc\u901a\uff0c\u4ece\u800c\u5f15\u53d1\u76f4\u901a\u7535\u6d41\u3002<\/p>\n

ICGD2<\/sub>\u4f1a\u6301\u7eed\u6d41\u52a8\u5230LS\u7684\u5bfc\u901a\u5de5\u4f5c\u7ed3\u675f\uff0c\u5e76\u88ab\u79ef\u84c4\u5728LTRACE<\/sub>\u4e2d\uff0c\u4f46\u4f1a\u5728VSW<\/sub>\u53d8\u5316\u7ed3\u675f\u7684\u65f6\u95f4\u70b9\u6d88\u5931\uff0cLTRACE<\/sub>\u4ea7\u751f\u7535\u52a8\u52bf\u3002\u8fd9\u5c31\u662f\u4e8b\u4ef6(III)\u3002\u53d7RG_EXT<\/sub>\u7b49\u5f00\u5173\u6761\u4ef6\u5f71\u54cd\uff0cICGD2<\/sub>\u53ef\u80fd\u4f1a\u8fbe\u5230\u51e0\u5b89\u57f9\uff0c\u5e76\u4e14\u8be5\u7535\u52a8\u52bf\u53ef\u80fd\u4f1a\u589e\u52a0\u3002<\/p>\n

\u53d7\u4e0a\u8ff0\u4e8b\u4ef6(I)\u3001(II)\u3001(III)\u7684\u5f71\u54cd\uff0cLS\u5bfc\u901a\u540e\u7684Gate-Source\u7535\u538b\u5448\u73b0\u51fa\u6ce2\u5f62\u793a\u610f\u56fe\u4e2d\u6240\u793a\u7684\u52a8\u4f5c\u3002\u6ce2\u5f62\u793a\u610f\u56fe\u548c\u7b49\u6548\u7535\u8def\u56fe\u7684\u76f8\u540c\u7f16\u53f7\u8868\u793a\u540c\u4e00\u4e8b\u4ef6\u3002\u53e6\u5916\uff0c\u56fe\u4e2dVGS<\/sub>\u7684\u865a\u7ebf\u6ce2\u5f62\u8868\u793a\u7406\u60f3\u7684\u6ce2\u5f62\u3002<\/p>\n

\u5916\u7f6e\u6805\u6781\u7535\u963b\u7684\u5f71\u54cd<\/strong><\/p>\n

\u4e0b\u9762\u662fSiC MOSFET\u6865\u5f0f\u7ed3\u6784\u7684LS\u5bfc\u901a\u65f6\u7684\u53cc\u8109\u51b2\u6d4b\u8bd5\u7ed3\u679c\u3002\uff08a\uff09\u6ce2\u5f62\u56fe\u7684\u5916\u7f6e\u6805\u6781\u7535\u963bRG_EXT<\/sub>\u4e3a0\u03a9\uff0c\uff08b\uff09\u4e3a10\u03a9\u3002\u56fe\u4e2d\u7684(I)\u3001(II)\u3001(III)\u540c\u524d\u9762\u76f8\u5e94\u7f16\u53f7\u7684\u4e8b\u4ef6\u3002<\/p>\n

\"SiC<\/p>\n

\u6bd4\u8f83(a)\u548c(b)\u7684\u6ce2\u5f62\u53ef\u4ee5\u770b\u51fa\uff0cRG_EXT<\/sub>\u8d8a\u5c0f\uff0c\u7531\u4e8b\u4ef6(I)\u5f15\u8d77\u7684VGS<\/sub>\u4e0b\u964d\u5c31\u8d8a\u5927\u3002\u6b64\u5916\uff0c\u7531\u4e8e\u5f00\u5173\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u56e0\u6b64\u4e8b\u4ef6(III)\u5728(a)\u4e2d\u5f88\u7a81\u51fa\uff1b\u4f46\u7531\u4e8eRG_EXT<\/sub>\u4e3a0\u03a9\uff0c\u56e0\u6b64\u51e0\u4e4e\u6ca1\u6709\u89c2\u5bdf\u5230\u4e8b\u4ef6(II)\u7684\u6ce2\u5f62\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u5728(b)\u4e2d\uff0c\u4e8b\u4ef6(II)-2\u548cRG_EXT<\/sub>\u5f15\u8d77\u7684VGS<\/sub>\u5347\u7a0b\u660e\u663e\u3002<\/p>\n

\u4ece\u8be5\u7ed3\u679c\u53ef\u4ee5\u6e05\u695a\u5730\u770b\u51fa\uff0c\u8981\u60f3\u964d\u4f4e\u8bf1\u53d1LS\u5bfc\u901a\u65f6HS\u8bef\u542f\u52a8\u7684\u4e8b\u4ef6(II)-2\u7684VGS<\/sub>\u5347\u7a0b\uff0c\u5c31\u9700\u8981\u51cf\u5c0fHS\u5173\u65ad\u65f6\u7684\u5916\u7f6e\u6805\u6781\u7535\u963bRG_EXT<\/sub>\u3002\u7136\u800c\uff0c\u591a\u6570\u60c5\u51b5\u4e0b\uff0cHS\u548cLS\u7684RG_EXT<\/sub>\u662f\u76f8\u540c\u7684\uff0c\u56e0\u6b64\uff0c\u5f53\u51cf\u5c0fRG_EXT<\/sub>\u65f6\uff0cLS\u7684dVDS<\/sub>\/dt\u5c06\u589e\u52a0\uff0c\u5982\u516c\u5f0f\uff081\uff09\u6240\u793a\uff0cHS\u7684ICGD<\/sub>\u4f1a\u589e\u52a0\u3002\u4ece\u516c\u5f0f\uff084\uff09\u53ef\u4ee5\u770b\u51fa\uff0c\u7ed3\u679c\u4f1a\u5bfc\u81f4HS\u6d6a\u6d8c\u5347\u9ad8\u3002<\/p>\n

\n

\u6709\u4e00\u79cd\u5bf9\u7b56\u65b9\u6cd5\u662f\uff0c\u4f7f\u5bfc\u901a\u65f6\u548c\u5173\u65ad\u65f6\u7684RG_EXT<\/sub>\u5206\u79bb\uff0c\u5e76\u4e14\u4ec5\u51cf\u5c0f\u5173\u65ad\u65f6\u7684RG_EXT<\/sub>\u3002\u5e38\u89c4\u65b9\u6cd5\u662f\u4f7f\u7528\u4e8c\u6781\u7ba1\u7684\u65b9\u6cd5\uff0c\u5982\u53f3\u56fe\u6240\u793a\u3002\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\uff0c\u5728\u5bfc\u901a\u72b6\u6001\u4e0b\u5de5\u4f5c\u7684\u7535\u963b\u53ea\u6709RG_ON<\/sub>\uff0c\u800c\u5728\u5173\u65ad\u72b6\u6001\u4e0b\uff0c\u4e8c\u6781\u7ba1\u5bfc\u901a\u5e76\u6210\u4e3aRG_ON<\/sub>\u548cRG_OFF<\/sub>\u7684\u5e76\u8054\u7535\u963b\u3002\u56e0\u6b64\uff0c\u76f8\u5bf9\u4e8e\u5bfc\u901a\u65f6\u7684\u7535\u963b\u503c\uff0c\u5173\u65ad\u65f6\u7684\u7535\u963b\u503c\u53d8\u5c0f\u3002<\/p>\n

\"\u5bf9\u7b56\u65b9\u6cd5\u7535\u8def\u56fe\"<\/p>\n<\/div>\n

\u53e6\u5916\uff0c\u4e0e\u6700\u524d\u9762\u8bf4\u660e\u4e2d\u4f7f\u7528\u7684\u6ce2\u5f62\u793a\u610f\u56fe\u4e0d\u540c\uff0cHS\u7684VGS<\/sub>\u6ce2\u5f62\u4e4b\u6240\u4ee5\u5728\u7d27\u9760\u4e8b\u4ef6(I)\u4e4b\u524d\u7684\u4f4d\u7f6e\u5411\u6b63\u6781\u4fa7\u632f\u8361\uff0c\u662f\u56e0\u4e3a\u4e8b\u4ef6(I)\u7684\u7535\u6d41\u5f00\u59cb\u6d41\u52a8\u7684\u77ac\u95f4LSOURCE<\/sub>\u5f15\u8d77\u7684\u7535\u52a8\u52bf\u5728\u901a\u8fc7CGS<\/sub>\u540e\u7acb\u5373\u88ab\u89c2\u6d4b\u5230\u4e86\u3002<\/p>\n

\u4e0b\u4e00\u7bc7\u6587\u7ae0\u5c06\u4ecb\u7ecdLS\u5173\u65ad\u65f6\u7684\u52a8\u4f5c\u60c5\u51b5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u4e0a\u4e00\u7bc7\u6587\u7ae0\u4e2d\uff0c\u7b80\u5355\u4ecb\u7ecd\u4e86SiC MOSFET\u6865\u5f0f\u7ed3\u6784\u4e2d\u6805\u6781\u9a71\u52a8\u7535\u8def\u7684\u5f00\u5173\u5de5\u4f5c\u5e26\u6765\u7684VDS\u548cID\u7684\u53d8\u5316\u6240\u4ea7\u751f\u7684\u7535\u6d41\u548c\u7535\u538b\u60c5\u51b5\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdSiC MOSFET\u5728LS\u5bfc\u901a\u65f6\u7684\u52a8\u4f5c\u60c5\u51b5\u3002 SiC MOSFET\u4f4e\u8fb9\u5f00\u5173\u5bfc\u901a\u65f6\u7684 […]","protected":false},"author":4,"featured_media":18388,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1147],"tags":[1182,1913,1912,1214,1213,1186,1185,1184,1183,49,1168,1150,1149,1148,306,178,176],"class_list":["post-7765","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-01-a-sic","tag-mosfet-did-dt","tag-1913","tag-1912","tag-1214","tag-vgs","tag-dvds-dt","tag-did-dt","tag-1184","tag-mosfet-dvds-dt","tag-49","tag-sicmosfet","tag-1150","tag-boost","tag-1148","tag-igbt","tag-178","tag-sic"],"acf":[],"wps_subtitle":"","_links":{"self":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/7765","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=7765"}],"version-history":[{"count":8,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/7765\/revisions"}],"predecessor-version":[{"id":19889,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/7765\/revisions\/19889"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media\/18388"}],"wp:attachment":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media?parent=7765"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/categories?post=7765"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/tags?post=7765"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}