{"id":19045,"date":"2022-05-05T00:00:04","date_gmt":"2022-05-04T16:00:04","guid":{"rendered":"https:\/\/techclass.wfjydl.com\/?p=19045"},"modified":"2022-12-02T13:46:49","modified_gmt":"2022-12-02T05:46:49","slug":"%e9%a9%b1%e5%8a%a8%e5%99%a8%e6%ba%90%e6%9e%81%e5%bc%95%e8%84%9a%e7%9a%84%e6%95%88%e6%9e%9c%ef%bc%9a%e5%8f%8c%e8%84%89%e5%86%b2%e6%b5%8b%e8%af%95%e6%af%94%e8%be%83","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/sic\/a-sic\/03-a-sic\/10992","title":{"rendered":"\u9a71\u52a8\u5668\u6e90\u6781\u5f15\u811a\u7684\u6548\u679c\uff1a\u53cc\u8109\u51b2\u6d4b\u8bd5\u6bd4\u8f83"},"content":{"rendered":"<div id=\"keypoint-sic\" class=\"keypoint indent\">\n<h4>\u672c\u6587\u7684\u5173\u952e\u8981\u70b9<\/h4>\n<p>\u30fb\u5177\u5907\u9a71\u52a8\u5668\u6e90\u6781\u5f15\u811a\uff0c\u53ef\u4ee5\u5927\u5927\u964d\u4f4e\u5bfc\u901a\u635f\u8017\u548c\u5173\u65ad\u635f\u8017\u3002<\/p>\n<p>\u30fb\u5982\u679cI<sub>D<\/sub>\u5bfc\u901a\u5cf0\u503c\u6216V<sub>DS<\/sub>\u5173\u65ad\u6d6a\u6d8c\u56e0\u5f00\u5173\u901f\u5ea6\u63d0\u5347\u800c\u589e\u52a0\uff0c\u5c31\u9700\u8981\u91c7\u53d6\u5bf9\u7b56\u3002<\/p>\n<\/div>\n<p>\u5728<a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/sic\/a-sic\/03-a-sic\/10783\">\u4e0a\u4e00\u7bc7\u6587\u7ae0<\/a>\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u5de5\u4f5c\u539f\u7406\u548c\u516c\u5f0f\u4e86\u89e3\u4e86\u6709\u65e0\u9a71\u52a8\u5668\u6e90\u6781\u5f15\u811a\u7684\u5dee\u5f02\u548c\u6548\u679c\u3002\u6709\u9a71\u52a8\u5668\u6e90\u6781\u5f15\u811a\u7684MOSFET\u53ef\u4ee5\u6d88\u9664\u6e90\u6781\u5f15\u811a\u7684\u7535\u611f\u5e26\u6765\u7684\u5f71\u54cd\uff0c\u4ece\u800c\u53ef\u964d\u4f4e\u5f00\u5173\u635f\u8017\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u901a\u8fc7\u53cc\u8109\u51b2\u6d4b\u8bd5\u6765\u786e\u8ba4\u9a71\u52a8\u5668\u6e90\u6781\u5f15\u811a\u7684\u6548\u679c\u3002<\/p>\n<h2>\u9a71\u52a8\u5668\u6e90\u6781\u5f15\u811a\u7684\u6548\u679c\uff1a\u53cc\u8109\u51b2\u6d4b\u8bd5\u6bd4\u8f83<\/h2>\n<div class=\"fBox\" style=\"margin-bottom: 15px;\">\n<div class=\"fl\">\n<p>\u4e3a\u4e86\u6bd4\u8f83\u6ca1\u6709\u9a71\u52a8\u5668\u6e90\u6781\u5f15\u811a\u7684MOSFET\u548c\u6709\u9a71\u52a8\u6e90\u6781\u5f15\u811a\u7684MOSFET\u7684\u5b9e\u9645\u5f00\u5173\u5de5\u4f5c\u60c5\u51b5\uff0c\u6211\u4eec\u6309\u7167\u53f3\u56fe\u6240\u793a\u7684\u7535\u8def\u56fe\u8fdb\u884c\u4e86\u53cc\u8109\u51b2\u6d4b\u8bd5\uff0c\u5728\u6d4b\u8bd5\u4e2d\uff0c\u4f7f\u4f4e\u8fb9\uff08LS\uff09\u7684MOSFET\u6267\u884c\u5f00\u5173\u52a8\u4f5c\u3002<\/p>\n<p>\u9ad8\u8fb9\uff08HS\uff09MOSFET\u5219\u901a\u8fc7R<sub>G_EXT<\/sub>\u8fde\u63a5\u6805\u6781\u5f15\u811a\u548c\u6e90\u6781\u5f15\u811a\u6216\u9a71\u52a8\u5668\u6e90\u6781\u5f15\u811a\uff0c\u5e76\u4e14\u4ec5\u7528\u4e8e\u4f53\u4e8c\u6781\u7ba1\u7684\u6362\u6d41\u5de5\u4f5c\u3002\u5728\u7535\u8def\u56fe\u4e2d\uff0c\u5b9e\u7ebf\u662f\u8fde\u63a5\u5230\u6e90\u6781\u5f15\u811a\u7684\u793a\u610f\u56fe\uff0c\u865a\u7ebf\u662f\u8fde\u63a5\u5230\u9a71\u52a8\u5668\u6e90\u6781\u5f15\u811a\u7684\u793a\u610f\u56fe\u3002<\/p>\n<\/div>\n<div class=\"fr\">\n<p><img decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2022\/04\/sic_ap_3_4_f1.png\" alt=\"\u30c0\u30d6\u30eb\u30d1\u30eb\u30b9\u8a66\u9a13\u56de\u8def\u3002\" \/><\/p>\n<\/div>\n<\/div>\n<p>\u6211\u4eec\u6765\u5206\u522b\u6bd4\u8f83\u5bfc\u901a\u65f6\u548c\u5173\u65ad\u65f6\u7684\u6f0f-\u6e90\u7535\u538bV<sub>DS<\/sub>\u548c\u6f0f\u6781\u7535\u6d41I<sub>D<\/sub>\u7684\u6ce2\u5f62\u4ee5\u53ca\u5f00\u5173\u635f\u8017\u3002\u6d4b\u8bd5\u4e2d\u4f7f\u7528\u7684\u662f\u6700\u5927\u989d\u5b9a\u503c\uff08V<sub>DSS<\/sub>\u7684\u6ce2\u5f62\u4ee5\u53ca\u5f00\u5173\u635f\u8017\u3002\u6d4b\u8bd5\u4e2d\u4f7f\u7528\u7684\u662f\u6700\u5927\u989d\u5b9a\u503c\uff08R<sub>DS(on)<\/sub>\uff09\u4e3a 40m\u03a9\u7684SiC MOSFET\u3002TO-247N\u5c01\u88c5\u7684\u4ea7\u54c1\uff08\u578b\u53f7\uff1aSCT3040KL\uff09\u6ca1\u6709\u9a71\u52a8\u5668\u6e90\u6781\u5f15\u811a\uff0cTO-247-4L\uff08SCT3040KR\uff09\u548cTO-263-7L\uff08SCT3040KW7\uff09\u6709\u9a71\u52a8\u5668\u6e90\u6781\u5f15\u811a\u3002\u8fd9\u662f\u5728R<sub>G_EXT<\/sub>\u4e3a10\u03a9\u3001\u65bd\u52a0\u7535\u538bV<sub>HVDC<\/sub>\u4e3a800V\u3001I<sub>D<\/sub>\u4e3a50A\u5de6\u53f3\u7684\u9a71\u52a8\u6761\u4ef6\u4e0b\u7684\u6ce2\u5f62\u3002<\/p>\n<p>\u4e0e\u6ca1\u6709\u9a71\u52a8\u5668\u6e90\u6781\u5f15\u811a\u7684TO-247N\u5c01\u88c5\u4ea7\u54c1\uff08\u6d45\u84dd\u8272\u865a\u7ebf\uff09\u76f8\u6bd4\uff0c\u6709\u9a71\u52a8\u5668\u6e90\u6781\u5f15\u811a\u7684TO-247-4L\u5c01\u88c5\u4ea7\u54c1\uff08\u7ea2\u8272\u865a\u7ebf\uff09\u548cTO-263-7L\u5c01\u88c5\u4ea7\u54c1\uff08\u7eff\u8272\u865a\u7ebf\uff09\u5bfc\u901a\u65f6\u7684I<sub>D<\/sub>\u4e0a\u5347\u901f\u5ea6\u66f4\u5feb\u3002\u901a\u8fc7\u6bd4\u8f83\uff0c\u53ef\u4ee5\u770b\u51faTO-247N\u5c01\u88c5\u4ea7\u54c1\uff08\u6d45\u84dd\u8272\u7ebf\uff09\u7684\u5f00\u5173\u635f\u8017\u4e3a 2742\u00b5J\uff0c\u800cTO-247-4L\u5c01\u88c5\u4ea7\u54c1\uff08\u7ea2\u8272\u7ebf\uff09\u4e3a1690\u00b5J\uff0c\u5f00\u5173\u635f\u8017\u51cf\u5c11\u7ea638%\uff1bTO-263-7L\u5c01\u88c5\u4ea7\u54c1\uff08\u7eff\u7ebf\uff09\u4e3a 2083\u00b5J\uff0c\u5f00\u5173\u635f\u8017\u51cf\u5c1124%\uff0c\u51cf\u5e45\u663e\u8457\u3002<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2022\/04\/sic_ap_3_4_f2.png\" alt=\"\u30c9\u30e9\u30a4\u30d0\u30bd\u30fc\u30b9\u7aef\u5b50\u306e\u6709\u7121\uff1a\u30c0\u30d6\u30eb\u30d1\u30eb\u30b9\u8a66\u9a13\u306b\u304a\u3051\u308b\u30bf\u30fc\u30f3\u30aa\u30f3\u6642\u306eVDS\u3001ID\u6ce2\u5f62\u3068\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u640d\u5931\u306e\u6bd4\u8f03\u3002\" \/><\/p>\n<p>\u901a\u8fc7\u5bfc\u901a\u6ce2\u5f62\u53ef\u4ee5\u786e\u8ba4\uff0cTO-247-4L\u7684I<sub>D<\/sub>\u5cf0\u503c\u8fbe\u5230\u4e8680A\uff0c\u6bd4TO-247N\u592723A\u3002\u8fd9\u662f\u56e0\u4e3a\uff0c\u5c3d\u7ba1\u5728MOSFET\u7684\u5f00\u5173\u5de5\u4f5c\u8fc7\u7a0b\u4e2d\u5bf9C<sub>OSS<\/sub>\u7684\u5145\u653e\u7535\u80fd\u91cf\u662f\u6052\u5b9a\u7684\uff0c\u4f46\u7531\u4e8e\u9a71\u52a8\u5668\u6e90\u6781\u5f15\u811a\u53ef\u63d0\u9ad8\u5f00\u5173\u901f\u5ea6\uff0c\u6240\u4ee5\u5145\u653e\u7535\u65f6\u95f4\u7f29\u77ed\uff0c\u6700\u7ec8\u5bfc\u81f4\u5145\u7535\u7535\u6d41\u7684\u5cf0\u503c\u53d8\u5927\u3002\u867d\u7136HS\u4fa7MOSFET\u7684\u8bef\u542f\u52a8\u4e5f\u4f1a\u5bfc\u81f4\u5cf0\u503c\u7535\u6d41\u589e\u52a0\uff0c\u4f46\u8fd9\u4e0d\u662f\u8bef\u542f\u52a8\u9020\u6210\u7684\u3002<\/p>\n<p>TO-263-7L\u7684I<sub>D<\/sub>\u5cf0\u503c\u4e3a60A\uff0c\u4e0d\u5982TO-247-4L\u7684\u5927\u3002\u8fd9\u662f\u7531\u4e8e\u6362\u6d41\u4fa7MOSFET\uff08HS\uff09\u7684\u5c01\u88c5\u7535\u611f\u4e0d\u540c\u9020\u6210\u7684\uff0c\u4e0e\u540e\u7eed\u4f1a\u4ecb\u7ecd\u7684\u5173\u65ad\u6d6a\u6d8c\u7684\u5dee\u5f02\u6210\u56e0\u4e00\u6837\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u7531dI<sub>D<\/sub>\/dt\u4ea7\u751f\u7684\u5f00\u5173\u4fa7\uff08LS\uff09\u548c\u6362\u6d41\u4fa7MOSFET\u7684\u603b\u5c01\u88c5\u7535\u611f\u5f15\u8d77\u7684\u7535\u52a8\u52bf\uff0c\u4f1a\u5c06\u5f00\u5173\u4fa7MOSFET\u7684V<sub>DS<\/sub>\u538b\u4f4e\uff0c\u5e76\u4f7f\u5f00\u5173\u4fa7MOSFET\u7684C<sub>OSS<\/sub>\u4e2d\u79ef\u84c4\u7684\u80fd\u91cf\u88ab\u91ca\u653e\uff0c\u4f46TO-263-7L\u7684\u653e\u7535\u7535\u6d41\u5f88\u5c0f\uff0c\u5bfc\u901a\u65f6\u7684I<sub>D<\/sub>\u5cf0\u503c\u4e5f\u5f88\u5c0f\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u5bfc\u901a\u65f6\u7684\u5f00\u5173\u635f\u8017E<sub>ON<\/sub>\u4e5f\u662f\u7531\u4e8e\u76f8\u540c\u7684\u539f\u56e0\uff0cTO-247-4L\u5c01\u88c5\u4ea7\u54c1\u7684\u5f00\u5173\u4fa7MOSFET\u7684V<sub>DS<\/sub>\u88ab\u538b\u4f4e\uff0c\u6700\u7ec8\u4f7f\u5f00\u5173\u635f\u8017E<sub>ON<\/sub>\u964d\u4f4e\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u5982\u679cTO-247-4L\u548cTO-263-7L\u6ca1\u6709\u91c7\u53d6\u8bef\u542f\u52a8\u5bf9\u7b56\uff0c\u53d1\u751f\u8bef\u542f\u52a8\u65f6\u5bfc\u901a\u7535\u6d41\u7684\u5cf0\u503c\u53ef\u80fd\u4f1a\u8fdb\u4e00\u6b65\u589e\u52a0\uff0c\u56e0\u6b64\u5efa\u8bae\u52a1\u5fc5\u91c7\u53d6\u8bef\u542f\u52a8\u5bf9\u7b56\uff0c\u6bd4\u5982\u5728\u7c73\u52d2\u94b3\u4f4d\u7535\u8def\u6216\u6805\u6781-\u6e90\u6781\u4e4b\u95f4\u8fde\u63a5\u51e0nF\u7684\u7535\u5bb9\u3002\u5982\u679c\u5e0c\u671b\u8fdb\u4e00\u6b65\u4e86\u89e3\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u8003\u5e94\u7528\u6307\u5357\u4e2d\u7684\u201c<a href=\"https:\/\/rohmfs-rohm-com-cn.oss-cn-shanghai.aliyuncs.com\/cn\/products\/databook\/applinote\/discrete\/sic\/mosfet\/sicmosfet-surge%20suppression_an_c.pdf\" target=\"_blank\" rel=\"noopener\">SiC-MOSFET \u6805\u6781-\u6e90\u6781\u7535\u538b\u7684\u6d6a\u6d8c\u6291\u5236\u65b9\u6cd5<\/a>\u201d\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\u662f\u5173\u65ad\u65f6\u7684\u6ce2\u5f62\u3002\u53ef\u4ee5\u770b\u51fa\uff0cTO-247N\u5c01\u88c5\u4ea7\u54c1\uff08\u6d45\u84dd\u8272\u5b9e\u7ebf\uff09\u7684\u5f00\u5173\u635f\u8017\u4e3a2093\u00b5J\uff0cTO-247-4L\u5c01\u88c5\u4ea7\u54c1\uff08\u7ea2\u8272\u5b9e\u7ebf\uff09\u4e3a1462\u00b5J\uff0c\u5f00\u5173\u635f\u8017\u964d\u4f4e\u7ea630%\uff0cTO-263-7L\u5c01\u88c5\u4ea7\u54c1\uff08\u7eff\u8272\u5b9e\u7ebf\uff09\u4e3a1488\u00b5J\uff0c\u5f00\u5173\u635f\u8017\u964d\u4f4e\u7ea629%\uff0c\u5373\u4f7f\u964d\u5e45\u6ca1\u6709\u5bfc\u901a\u65f6\u90a3\u4e48\u5927\uff0c\u4e5f\u5df2\u7ecf\u662f\u5f88\u5927\u7684\u6539\u5584\u3002<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2022\/04\/sic_ap_3_4_f3.png\" alt=\"\u30c9\u30e9\u30a4\u30d0\u30bd\u30fc\u30b9\u7aef\u5b50\u306e\u6709\u7121\uff1a\u30c0\u30d6\u30eb\u30d1\u30eb\u30b9\u8a66\u9a13\u306b\u304a\u3051\u308b\u30bf\u30fc\u30f3\u30aa\u30d5\u6642\u306eVDS\u3001ID\u6ce2\u5f62\u3068\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u640d\u5931\u306e\u6bd4\u8f03\u3002\" \/><\/p>\n<p>\u5173\u65ad\u65f6\u5728V<sub>DS<\/sub>\u4e2d\u89c2\u6d4b\u5230\u7684\u5173\u65ad\u6d6a\u6d8c\u7684\u4e3b\u8981\u8d77\u56e0\u662f\u4e3b\u7535\u8def\u7684\u603b\u5bc4\u751f\u7535\u611f\u3002\u5b83\u662f\u524d\u9762\u7ed9\u51fa\u7684\u53cc\u8109\u51b2\u6d4b\u8bd5\u7535\u8def\u4e2d\u7684\u5e03\u7ebf\u7535\u611fL<sub>MAIN<\/sub>\u4e0e\u5f00\u5173\u4fa7\u548c\u6362\u6d41\u4fa7MOSFET\u7684\u5c01\u88c5\u7535\u611f\uff08L<sub>DRAIN<\/sub>+L<sub>SOURCE<\/sub>\uff09\u7684\u5408\u8ba1\u503c\u3002\u56e0\u6b64\uff0c\u5bf9\u4e8e\u5c01\u88c5\u7535\u611f\u51e0\u4e4e\u76f8\u540c\u7684TO-247-4L\uff08\u7ea2\u8272\u5b9e\u7ebf\uff09\u548cTO-247N\uff08\u6d45\u84dd\u8272\u5b9e\u7ebf\uff09\u800c\u8a00\uff0c\u6d6a\u6d8c\u4f1a\u968f\u7740dI<sub>D<\/sub>\/dt\u901f\u5ea6\u7684\u5347\u9ad8\u800c\u589e\u52a0\u3002\u5728\u8be5\u6d4b\u8bd5\u4e2d\uff0cTO-247-4L\u4e3a1009V\uff0c\u6bd4TO-247N\u7684890V\u5927119V\uff0c\u56e0\u6b64\u53ef\u80fd\u9700\u8981\u91c7\u53d6\u7f13\u51b2\u7535\u8def\u7b49\u6d6a\u6d8c\u5bf9\u7b56\u3002<\/p>\n<p>\u540c\u4e3a\u5e26\u6709\u9a71\u52a8\u5668\u6e90\u6781\u5f15\u811a\u7684\u4ea7\u54c1\uff0cTO-263-7L\uff08\u7eff\u8272\u5b9e\u7ebf\uff09\u7684\u6d6a\u6d8c\u6bd4TO-247-4L\uff08\u7ea2\u8272\u5b9e\u7ebf\uff09\u5c0f\uff0c\u662f\u56e0\u4e3a<a 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