{"id":9838,"date":"2021-06-23T00:00:21","date_gmt":"2021-06-22T15:00:21","guid":{"rendered":"https:\/\/techclass.wfjydl.com\/?p=9838"},"modified":"2022-08-18T16:24:22","modified_gmt":"2022-08-18T08:24:22","slug":"%e6%b5%aa%e6%b6%8c%e6%8a%91%e5%88%b6%e7%94%b5%e8%b7%af","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/sic\/a-sic\/02-a-sic\/9607","title":{"rendered":"\u6d6a\u6d8c\u6291\u5236\u7535\u8def"},"content":{"rendered":"<p>\u5728<a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/sic\/a-sic\/02-a-sic\/9700\" target=\"_blank\" rel=\"noopener noreferrer\">\u4e0a\u4e00\u7bc7\u6587\u7ae0<\/a>\u4e2d\uff0c\u7b80\u5355\u4ecb\u7ecd\u4e86SiC\u529f\u7387\u5143\u5668\u4ef6\u4e2d\u6805\u6781-\u6e90\u6781\u7535\u538b\u4e2d\u4ea7\u751f\u7684\u6d6a\u6d8c\u3002\u4ece\u672c\u6587\u5f00\u59cb\uff0c\u5c06\u4ecb\u7ecd\u9488\u5bf9\u6240\u4ea7\u751f\u7684SiC\u529f\u7387\u5143\u5668\u4ef6\u4e2d\u6d6a\u6d8c\u7684\u5bf9\u7b56\u3002\u672c\u6587\u5148\u4ecb\u7ecd\u6d6a\u6d8c\u6291\u5236\u7535\u8def\u3002<\/p>\n<p>\u5173\u4e8eSiC\u529f\u7387\u5143\u5668\u4ef6\u4e2d\u6805\u6781\uff0d\u6e90\u6781\u95f4\u7535\u538b\u4ea7\u751f\u7684\u6d6a\u6d8c\uff0c\u5728\u4e4b\u524d\u53d1\u5e03\u7684Tech Web\u57fa\u7840\u77e5\u8bc6 SiC\u529f\u7387\u5143\u5668\u4ef6 \u5e94\u7528\u7bc7\u7684\u201c<a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/sic\/a-sic\/01-a-sic\/8854\" target=\"_blank\" rel=\"noopener noreferrer\">SiC MOSFET\uff1a\u6865\u5f0f\u7ed3\u6784\u4e2d\u6805\u6781\uff0d\u6e90\u6781\u95f4\u7535\u538b\u7684\u52a8\u4f5c<\/a>\u201d\u4e2d\u5df2\u8fdb\u884c\u4e86\u8be6\u7ec6\u8bf4\u660e\u3002<\/p>\n<h2>\u6d6a\u6d8c\u6291\u5236\u7535\u8def<\/h2>\n<p>&nbsp;<\/p>\n<div class=\"fBox\">\n<div class=\"fl\">\n<p>\u5982\u4e0a\u4e00\u7bc7\u6240\u8ff0\uff0cSiC\u529f\u7387\u5143\u5668\u4ef6\u4e2d\u6805\u6781-\u6e90\u6781\u7535\u538b\uff08V<sub>GS<\/sub>\uff09\u7684\u6b63\u6d6a\u6d8c\u5728\u5f00\u5173\u4fa7\u548c\u975e\u5f00\u5173\u4fa7\u5747\u6709\u53d1\u751f\uff0c\u4f46\u662f\u5c24\u5176\u4f1a\u9020\u6210\u95ee\u9898\u7684\u662f\u5728LS\uff08\u4f4e\u8fb9\uff09\u5bfc\u901a\u65f6\u7684\u975e\u5f00\u5173\u4fa7\uff08HS\uff1a\u9ad8\u8fb9\uff09\u7684\u4e8b\u4ef6\uff08II\uff09\u3002\u53f3\u4fa7\u7684\u6ce2\u5f62\u56fe\u4e0e\u4e0a\u4e00\u7bc7\u4e2d\u7ed9\u51fa\u7684\u6ce2\u5f62\u56fe\u76f8\u540c\u3002<\/p>\n<p>\u5176\u539f\u56e0\u662f\u5f00\u5173\u4fa7\u5df2\u7ecf\u5904\u4e8e\u5bfc\u901a\u72b6\u6001\uff0c\u56e0\u6b64\uff0c\u5f53\u975e\u5f00\u5173\u4fa7\u7684\u6b63\u6d6a\u6d8c\u7535\u538b\u8d85\u8fc7SiC MOSFET\u7684\u6805\u6781\u9608\u503c\u7535\u538b\uff08V<sub>GS(th)<\/sub>\uff09\u65f6\uff0cHS\u548cLS\u4f1a\u540c\u65f6\u5bfc\u901a\u5e76\u6d41\u8fc7\u76f4\u901a\u7535\u6d41\u3002<\/p>\n<p>\u53ea\u662f\u7531\u4e8eSiC MOSFET\u7684\u8de8\u5bfc\u6bd4Si MOSFET\u7684\u8de8\u5bfc\u5c0f\u4e00\u4e2a\u6570\u91cf\u7ea7\u4ee5\u4e0a\uff0c\u56e0\u6b64\u4e0d\u4f1a\u7acb\u5373\u6d41\u8fc7\u8fc7\u5927\u7684\u76f4\u901a\u7535\u6d41\u3002\u6240\u4ee5\u5373\u4f7f\u6d41\u8fc7\u4e86\u76f4\u901a\u7535\u6d41\uff0c\u4e5f\u5177\u6709\u8db3\u591f\u7684\u51b7\u5374\u80fd\u529b\uff0c\u53ea\u8981\u4e0d\u8d85\u8fc7MOSFET\u7684Tj(max)\uff0c\u57fa\u672c\u4e0a\u6ca1\u6709\u95ee\u9898\u3002\u7136\u800c\uff0c\u76f4\u901a\u7535\u6d41\u6bd5\u7adf\u662f\u964d\u4f4e\u7cfb\u7edf\u6574\u4f53\u6548\u7387\u7684\u76f4\u63a5\u56e0\u7d20\uff0c\u80af\u5b9a\u4e0d\u662f\u5e0c\u671b\u51fa\u73b0\u7684\u72b6\u6001\uff0c\u56e0\u6b64\u5c31\u6709\u5fc5\u8981\u589e\u52a0\u7528\u6765\u6765\u6291\u5236\u6d6a\u6d8c\u7535\u538b\u7684\u7535\u8def\uff0c\u4ee5\u66f4\u5927\u7a0b\u5ea6\u5730\u786e\u4fdd\u6d6a\u6d8c\u7535\u538b\u4e0d\u8d85\u8fc7SiC MOSFET\u7684V<sub>GS(th)<\/sub>\u3002<\/p>\n<\/div>\n<div class=\"fr\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/upload\/2021\/06\/SiC_AP_2-2_f0.jpg\" width=\"300\" height=\"450\" \/><\/div>\n<\/div>\n<p>\u6291\u5236\u7535\u8def\u7684\u793a\u4f8b\u5982\u4e0b\u3002\u8fd9\u4e9b\u7535\u8def\u56fe\u662f\u5728SiC MOSFET\u7684\u666e\u901a\u9a71\u52a8\u7535\u8def\u4e2d\u589e\u52a0\u4e86\u6d6a\u6d8c\u6291\u5236\u7535\u8def\u540e\u7684\u7535\u8def\u793a\u4f8b\u3002\u6291\u5236\u7535\u8def\uff08a\uff09\u662f\u4f7f\u7528\u5173\u65ad\u7528\u7684\u9a71\u52a8\u7535\u6e90VEE2\u65f6\u7684\u7535\u8def\uff0c\u800c\u6291\u5236\u7535\u8def\uff08b\uff09\u662f\u4e0d\u4f7f\u7528VEE2\u7684\u793a\u4f8b\u3002\u5728\u8fd9\u4e24\u4e2a\u7535\u8def\u4e2d\uff0cVCC2\u90fd\u662f\u5bfc\u901a\u7528\u7684\u9a71\u52a8\u7535\u6e90\uff0cOUT1\u662fSiC MOSFET\u7684\u5bfc\u901a\/\u5173\u65ad\u4fe1\u53f7\uff0cOUT2\u662f\u955c\u50cf\u94b3\u4f4d \u63a7\u5236\u4fe1\u53f7\uff0cGND2\u662f\u9a71\u52a8\u7535\u8def\u7684GND\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/upload\/2021\/06\/SiC_AP_2-2_f1_f2.jpg\" width=\"800\" height=\"280\" \/><\/p>\n<p>\u53e6\u5916\uff0c\u4e0b\u8868\u4e2d\u5217\u51fa\u4e86\u6240\u6dfb\u52a0\u7684\u6291\u5236\u7535\u8def\u7684\u529f\u80fd\u3002\u6dfb\u52a0\u4e86\u4e0a\u9762\u7535\u8def\u56fe\u4e2d\u7ea2\u8272\u6807\u8bb0\u7684\u90e8\u4ef6\u3002<\/p>\n<table class=\"tbl01\">\n<tbody>\n<tr>\n<th>\u52b9\u7528<\/th>\n<th>\u7b26\u53f7<\/th>\n<th>\u8bf4\u660e<\/th>\n<\/tr>\n<tr>\n<td>\u6291\u5236\u6b63\u6d6a\u6d8c<\/td>\n<td>D2 (C2)<\/td>\n<td>\u6291\u5236\u5f00\u5173\u4fa7\u5bfc\u901a\u65f6\u7684\u6b63\u6d6a\u6d8c\u7535\u538b\uff08C2\u662f\u65c1\u8def\u7535\u5bb9\u5668\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u6291\u5236\u8d1f\u6d6a\u6d8c<\/td>\n<td>D3 (C3)<\/td>\n<td>\u6291\u5236\u5f00\u5173\u4fa7\u548c\u975e\u5f00\u5173\u4fa7\u7684\u8d1f\u6d6a\u6d8c\uff08C3\u662f\u65c1\u8def\u7535\u5bb9\u5668\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u6291\u5236\u6b63\/\u8d1f\u6d6a\u6d8c<\/td>\n<td>Q2<\/td>\n<td>\u6291\u5236\u975e\u5f00\u5173\u4fa7\u7684\u6b63\u8d1f\u6d6a\u6d8c<\/td>\n<\/tr>\n<tr>\n<td>\u6291\u5236\u8bef\u5bfc\u901a<\/td>\n<td>C1<\/td>\n<td>\u6291\u5236\u975e\u5f00\u5173\u4fa7\u7684\u6b63\u6d6a\u6d8c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u7531\u4e8eD2\u548cD3\u901a\u5e38\u4f1a\u5438\u6536\u6570\u5341ns\u7684\u8109\u51b2\uff0c\u56e0\u6b64\u9700\u8981\u5c3d\u53ef\u80fd\u5c06\u5176\u94b3\u5236\u5728\u4f4e\u7535\u538b\u72b6\u6001 \uff0c\u4e3a\u6b64\u901a\u5e38\u4f7f\u7528\u8096\u7279\u57fa\u52bf\u5792\u4e8c\u6781\u7ba1\uff08SBD\uff09\u3002\u53e6\u5916\uff0c\u9009\u62e9SOD-323FL\u7b49\u5e95\u90e8\u7535\u6781\u578b\u4f4e\u963b\u6297\u5c01\u88c5\u4ea7\u54c1\u6548\u679c\u66f4\u597d\u3002<\/p>\n<p>\u4ece\u4e0b\u4e00\u7bc7\u5f00\u59cb\u4f1a\u4e00\u4e00\u8be6\u7ec6\u4ecb\u7ecd\u3002<\/p>\n<div id=\"keypoint-sic\" class=\"keypoint indent\">\n<h4>\u5173\u952e\u8981\u70b9:<\/h4>\n<p>\u30fb\u5728\u5f00\u5173\u4fa7\u548c\u975e\u5f00\u5173\u4fa7\u5747\u4f1a\u51fa\u73b0SiC\u529f\u7387\u5143\u5668\u4ef6\u4e2d\u6805\u6781-\u6e90\u6781\u7535\u538b\uff08VGS\uff09\u7684\u6b63\u6d6a\u6d8c\uff0c\u4f46\u662f\u5c24\u5176\u9700\u8981\u89e3\u51b3\u7684\u662fSiC\u529f\u7387\u5143\u5668\u4ef6LS\u5bfc\u901a\u65f6\u5728\u975e\u5f00\u5173\u4fa7\uff08HS\uff09\u51fa\u73b0\u7684\u6b63\u6d6a\u6d8c\u95ee\u9898\u3002<\/p>\n<p>\u30fb\u7531\u4e8e\u5e94\u7528SiC\u529f\u7387\u5143\u5668\u4ef6\u65f6\uff0c\u57fa\u672c\u90fd\u9700\u8981\u5305\u62ec\u5176\u4ed6\u6d6a\u6d8c\u5728\u5185\u7684\u6d6a\u6d8c\u6291\u5236\u5bf9\u7b56\uff0c\u56e0\u6b64\u9700\u8981\u589e\u52a0\u6d6a\u6d8c\u6291\u5236\u7535\u8def\u3002<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"\u5728\u4e0a\u4e00\u7bc7\u6587\u7ae0\u4e2d\uff0c\u7b80\u5355\u4ecb\u7ecd\u4e86SiC\u529f\u7387\u5143\u5668\u4ef6\u4e2d\u6805\u6781-\u6e90\u6781\u7535\u538b\u4e2d\u4ea7\u751f\u7684\u6d6a\u6d8c\u3002\u4ece\u672c\u6587\u5f00\u59cb\uff0c\u5c06\u4ecb\u7ecd\u9488\u5bf9\u6240\u4ea7\u751f\u7684SiC\u529f\u7387\u5143\u5668\u4ef6\u4e2d\u6d6a\u6d8c\u7684\u5bf9\u7b56\u3002\u672c\u6587\u5148\u4ecb\u7ecd\u6d6a\u6d8c\u6291\u5236\u7535\u8def\u3002 \u5173\u4e8eSiC\u529f\u7387\u5143\u5668\u4ef6\u4e2d\u6805\u6781\uff0d\u6e90\u6781\u95f4\u7535\u538b\u4ea7\u751f\u7684\u6d6a\u6d8c\uff0c\u5728\u4e4b\u524d\u53d1\u5e03\u7684 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