{"id":1,"date":"2026-02-18T15:08:09","date_gmt":"2026-02-18T07:08:09","guid":{"rendered":"http:\/\/zsmc.net\/?p=1"},"modified":"2026-03-05T15:36:14","modified_gmt":"2026-03-05T07:36:14","slug":"hello-world","status":"publish","type":"post","link":"http:\/\/zsmc.net\/index.php\/2026\/02\/18\/hello-world\/","title":{"rendered":"\u8be6\u89e3IGBT\u5de5\u4f5c\u539f\u7406"},"content":{"rendered":"\r\n

IGBT\u662f\u53d8\u9891\u5668\u7684\u6838\u5fc3\u90e8\u4ef6\uff0c\u81ea\u7136\u8981\u5206\u5916\u5173\u6ce8\u3002<\/b><\/p>\r\n

\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u6700\u6d41\u884c\u548c\u6700\u5e38\u89c1\u7684\u7535\u5b50\u5143\u5668\u4ef6\u662f\u53cc\u6781\u7ed3\u578b\u6676\u4f53\u7ba1\u00a0BJT \u548c\u00a0MOS\u7ba1\u3002<\/p>\r\n

\r\n
<\/div>\r\n<\/figure>\r\n

IGBT\u5b9e\u7269\u56fe+\u7535\u8def\u7b26\u53f7\u56fe<\/p>\r\n

\u4f60\u53ef\u4ee5\u628aIGBT\u770b\u4f5cBJT\u548cMOS\u7ba1\u7684\u878d\u5408\u4f53\uff0cIGBT\u5177\u6709BJT\u7684\u8f93\u5165\u7279\u6027\u548cMOS\u7ba1\u7684\u8f93\u51fa\u7279\u6027\u3002<\/p>\r\n

\u4e0eBJT\u6216MOS\u7ba1\u76f8\u6bd4\uff0c\u7edd\u7f18\u6805\u53cc\u6781\u578b\u6676\u4f53\u7ba1IGBT\u4f18\u52bf\u5728\u4e8e\u5b83\u63d0\u4f9b\u4e86\u6bd4\u6807\u51c6\u53cc\u6781\u578b\u6676\u4f53\u7ba1\u66f4\u5927\u7684\u529f\u7387\u589e\u76ca\uff0c\u4ee5\u53ca\u66f4\u9ad8\u5de5\u4f5c\u7535\u538b\u548c\u66f4\u4f4eMOS\u7ba1\u8f93\u5165\u635f\u8017\u3002<\/p>\r\n

01:<\/b>\u4ec0\u4e48\u662fIGBT<\/p>\r\n

IGBT\u662f\u7edd\u7f18\u6805\u53cc\u6781\u6676\u4f53\u7ba1\u7684\u7b80\u79f0\uff0c\u662f\u4e00\u79cd\u4e09\u7aef\u534a\u5bfc\u4f53\u5f00\u5173\u5668\u4ef6\uff0c\u53ef\u7528\u4e8e\u591a\u79cd\u7535\u5b50\u8bbe\u5907\u4e2d\u7684\u9ad8\u6548\u5feb\u901f\u5f00\u5173\u3002
IGBT\u4e3b\u8981\u7528\u4e8e\u653e\u5927\u5668\uff0c\u7528\u4e8e\u901a\u8fc7\u8109\u51b2\u5bbd\u5ea6\u8c03\u5236\u00a0(PWM) \u5207\u6362\/\u5904\u7406\u590d\u6742\u7684\u6ce2\u5f62\u3002
\u4f60\u53ef\u4ee5\u770b\u5230\u8f93\u5165\u4fa7\u4ee3\u8868\u5177\u6709\u6805\u6781\u7aef\u5b50\u7684MOS\u7ba1\uff0c\u8f93\u51fa\u4fa7\u4ee3\u8868\u5177\u6709\u96c6\u7535\u6781\u548c\u53d1\u5c04\u6781\u7684BJT\u3002
\u96c6\u7535\u6781\u548c\u53d1\u5c04\u6781\u662f\u5bfc\u901a\u7aef\u5b50\uff0c\u6805\u6781\u662f\u63a7\u5236\u5f00\u5173\u64cd\u4f5c\u7684\u63a7\u5236\u7aef\u5b50\u3002<\/p>\r\n

\r\n
<\/div>\r\n<\/figure>\r\n

IGBT\u7684\u7535\u8def\u7b26\u53f7\u4e0e\u7b49\u6548\u7535\u8def\u56fe<\/p>\r\n

02:<\/b>IGBT\u5185\u90e8\u7ed3\u6784<\/b><\/p>\r\n

IGBT\u6709\u4e09\u4e2a\u7aef\u5b50\uff08\u96c6\u7535\u6781\u3001\u53d1\u5c04\u6781\u548c\u6805\u6781\uff09\u90fd\u9644\u6709\u91d1\u5c5e\u5c42\u3002\u7136\u800c\uff0c\u6805\u6781\u7aef\u5b50\u4e0a\u7684\u91d1\u5c5e\u6750\u6599\u5177\u6709\u4e8c\u6c27\u5316\u7845\u5c42\u3002
IGBT\u7ed3\u6784\u662f\u4e00\u4e2a\u56db\u5c42\u534a\u5bfc\u4f53\u5668\u4ef6\u3002\u56db\u5c42\u5668\u4ef6\u662f\u901a\u8fc7\u7ec4\u5408PNP\u548cNPN\u6676\u4f53\u7ba1\u6765\u5b9e\u73b0\u7684\uff0c\u5b83\u4eec\u6784\u6210\u4e86PNPN\u6392\u5217\u3002<\/p>\r\n

\r\n
<\/div>\r\n<\/figure>\r\n

IGBT\u7684\u5185\u90e8\u7ed3\u6784\u56fe<\/p>\r\n

\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u6700\u9760\u8fd1\u96c6\u7535\u6781\u533a\u7684\u5c42\u662f (p+) \u886c\u5e95\uff0c\u5373\u6ce8\u5165\u533a\uff1b\u5728\u5b83\u4e0a\u9762\u662f N \u6f02\u79fb\u533a\u57df\uff0c\u5305\u62ec N \u5c42\u3002\u6ce8\u5165\u533a\u5c06\u5927\u90e8\u5206\u8f7d\u6d41\u5b50\uff08\u7a7a\u7a74\u7535\u6d41\uff09\u4ece (p+) \u6ce8\u5165 N- \u5c42\u3002<\/p>\r\n

\u6f02\u79fb\u533a\u7684\u539a\u5ea6\u51b3\u5b9a\u4e86 IGBT \u7684\u7535\u538b\u963b\u65ad\u80fd\u529b\u3002<\/p>\r\n

\u6f02\u79fb\u533a\u57df\u7684\u4e0a\u9762\u662f\u4e3b\u4f53\u533a\u57df\uff0c\u5b83\u7531 (p) \u57fa\u677f\u7ec4\u6210\uff0c\u9760\u8fd1\u53d1\u5c04\u6781\uff0c\u5728\u4e3b\u4f53\u533a\u57df\u5185\u90e8\uff0c\u6709 (n+) \u5c42\u3002<\/p>\r\n

\u6ce8\u5165\u533a\u57df\u548c N \u6f02\u79fb\u533a\u57df\u4e4b\u95f4\u7684\u8fde\u63a5\u70b9\u662f J2\u3002\u7c7b\u4f3c\u5730\uff0cN-\u533a\u57df \u548c \u4e3b\u4f53\u533a\u57df\u4e4b\u95f4\u7684\u7ed3\u70b9\u662f\u7ed3\u70b9 J1\u3002<\/p>\r\n

\u6ce8\u610f\uff1a<\/b>IGBT \u7684\u7ed3\u6784\u5728\u62d3\u6251\u4e0a\u7c7b\u4f3c\u4e8e\u201cMOS\u201d\u6805\u6781\u7684\u6676\u95f8\u7ba1<\/a>\u3002\u4f46\u662f\uff0c\u6676\u95f8\u7ba1\u52a8\u4f5c\u548c\u529f\u80fd\u662f\u53ef\u6291\u5236\u7684\uff0c\u8fd9\u610f\u5473\u7740\u5728 IGBT \u7684\u6574\u4e2a\u5668\u4ef6\u5de5\u4f5c\u8303\u56f4\u5185\u53ea\u5141\u8bb8\u6676\u4f53\u7ba1\u52a8\u4f5c\u3002IGBT \u6bd4\u6676\u95f8\u7ba1\u66f4\u53ef\u53d6\uff0c\u56e0\u4e3a\u6676\u95f8\u7ba1\u7b49\u5f85\u8fc7\u96f6\u7684\u5feb\u901f\u5207\u6362\u3002<\/p>\r\n

03:<\/b>IGBT\u5de5\u4f5c\u539f\u7406<\/b><\/p>\r\n

IGBT \u7684\u5de5\u4f5c\u539f\u7406\u662f\u901a\u8fc7\u6fc0\u6d3b\u6216\u505c\u7528\u5176\u6805\u6781\u7aef\u5b50\u6765\u5f00\u542f\u6216\u5173\u95ed\u3002<\/p>\r\n

\u5982\u679c\u6b63\u8f93\u5165\u7535\u538b\u901a\u8fc7\u6805\u6781\uff0c\u53d1\u5c04\u6781\u4fdd\u6301\u9a71\u52a8\u7535\u8def\u5f00\u542f\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u5982\u679c IGBT \u7684\u6805\u6781\u7aef\u7535\u538b\u4e3a\u96f6\u6216\u7565\u4e3a\u8d1f\uff0c\u5219\u4f1a\u5173\u95ed\u7535\u8def\u5e94\u7528\u3002<\/p>\r\n

\u7531\u4e8e IGBT \u65e2\u53ef\u7528\u4f5c BJT \u53c8\u53ef\u7528\u4f5c MOS\u7ba1\uff0c\u56e0\u6b64\u5b83\u5b9e\u73b0\u7684\u653e\u5927\u91cf\u662f\u5176\u8f93\u51fa\u4fe1\u53f7\u548c\u63a7\u5236\u8f93\u5165\u4fe1\u53f7\u4e4b\u95f4\u7684\u6bd4\u7387\u3002<\/p>\r\n

\u5bf9\u4e8e\u4f20\u7edf\u7684 BJT\uff0c\u589e\u76ca\u91cf\u4e0e\u8f93\u51fa\u7535\u6d41\u4e0e\u8f93\u5165\u7535\u6d41\u7684\u6bd4\u7387\u5927\u81f4\u76f8\u540c\uff0c\u6211\u4eec\u5c06\u5176\u79f0\u4e3a Beta \u5e76\u8868\u793a\u4e3a \u03b2\u3002<\/p>\r\n

\u53e6\u4e00\u65b9\u9762\uff0c\u5bf9\u4e8e MOS\u7ba1\uff0c\u6ca1\u6709\u8f93\u5165\u7535\u6d41\uff0c\u56e0\u4e3a\u6805\u6781\u7aef\u5b50\u662f\u4e3b\u901a\u9053\u627f\u8f7d\u7535\u6d41\u7684\u9694\u79bb\u3002\u6211\u4eec\u901a\u8fc7\u5c06\u8f93\u51fa\u7535\u6d41\u53d8\u5316\u9664\u4ee5\u8f93\u5165\u7535\u538b\u53d8\u5316\u6765\u786e\u5b9a IGBT \u7684\u589e\u76ca\u3002<\/p>\r\n

\r\n
<\/div>\r\n<\/figure>\r\n

IGBT \u7ed3\u6784\u56fe<\/p>\r\n

\u5982\u56fe\u6240\u793a\uff0c\u5f53\u96c6\u7535\u6781\u76f8\u5bf9\u4e8e\u53d1\u5c04\u6781\u5904\u4e8e\u6b63\u7535\u4f4d\u65f6\uff0cN \u6c9f\u9053 IGBT \u5bfc\u901a\uff0c\u800c\u6805\u6781\u76f8\u5bf9\u4e8e\u53d1\u5c04\u6781\u4e5f\u5904\u4e8e\u8db3\u591f\u7684\u6b63\u7535\u4f4d (>V GET )\u3002\u8fd9\u79cd\u60c5\u51b5\u5bfc\u81f4\u5728\u6805\u6781\u6b63\u4e0b\u65b9\u5f62\u6210\u53cd\u578b\u5c42\uff0c\u4ece\u800c\u5f62\u6210\u6c9f\u9053\uff0c\u5e76\u4e14\u7535\u6d41\u5f00\u59cb\u4ece\u96c6\u7535\u6781\u6d41\u5411\u53d1\u5c04\u6781\u3002<\/p>\r\n

IGBT \u4e2d\u7684\u96c6\u7535\u6781\u7535\u6d41 Ic \u7531\u4e24\u4e2a\u5206\u91cf Ie\u548c Ih \u7ec4\u6210\u3002Ie \u662f\u7531\u4e8e\u6ce8\u5165\u7684\u7535\u5b50\u901a\u8fc7\u6ce8\u5165\u5c42\u3001\u6f02\u79fb\u5c42\u548c\u6700\u7ec8\u5f62\u6210\u7684\u6c9f\u9053\u4ece\u96c6\u7535\u6781\u6d41\u5411\u53d1\u5c04\u6781\u7684\u7535\u6d41\u3002Ih \u662f\u901a\u8fc7 Q1 \u548c\u4f53\u7535\u963b Rb\u4ece\u96c6\u7535\u6781\u6d41\u5411\u53d1\u5c04\u6781\u7684\u7a7a\u7a74\u7535\u6d41\u3002\u56e0\u6b64\u5c3d\u7ba1 Ih\u51e0\u4e4e\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\uff0c\u56e0\u6b64 Ic \u2248 Ie\u3002<\/p>\r\n

\u5728 IGBT \u4e2d\u89c2\u5bdf\u5230\u4e00\u79cd\u7279\u6b8a\u73b0\u8c61\uff0c\u79f0\u4e3a IGBT \u7684\u95e9\u9501\u3002\u8fd9\u53d1\u751f\u5728\u96c6\u7535\u6781\u7535\u6d41\u8d85\u8fc7\u67d0\u4e2a\u9608\u503c\uff08ICE\uff09\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5bc4\u751f\u6676\u95f8\u7ba1\u88ab\u9501\u5b9a\uff0c\u6805\u6781\u7aef\u5b50\u5931\u53bb\u5bf9\u96c6\u7535\u6781\u7535\u6d41\u7684\u63a7\u5236\uff0c\u5373\u4f7f\u6805\u6781\u7535\u4f4d\u964d\u4f4e\u5230 VGET\u4ee5\u4e0b\uff0cIGBT \u4e5f\u65e0\u6cd5\u5173\u95ed\u3002<\/p>\r\n

\u73b0\u5728\u8981\u5173\u65ad IGBT\uff0c\u6211\u4eec\u9700\u8981\u5178\u578b\u7684\u6362\u6d41\u7535\u8def\uff0c\u4f8b\u5982\u6676\u95f8\u7ba1\u5f3a\u5236\u6362\u6d41\u7684\u60c5\u51b5\u3002\u5982\u679c\u4e0d\u5c3d\u5feb\u5173\u95ed\u8bbe\u5907\uff0c\u53ef\u80fd\u4f1a\u635f\u574f\u8bbe\u5907\u3002<\/p>\r\n

\r\n
<\/div>\r\n<\/figure>\r\n

\u96c6\u7535\u6781\u7535\u6d41\u516c\u5f0f<\/p>\r\n

\u4e0b\u56fe\u5f88\u597d\u5730\u89e3\u91caIGBT\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u63cf\u8ff0\u4e86 IGBT \u7684\u6574\u4e2a\u5668\u4ef6\u5de5\u4f5c\u8303\u56f4\u3002<\/p>\r\n

\r\n
<\/div>\r\n<\/figure>\r\n

IGBT\u7684\u5de5\u4f5c\u539f\u7406\u56fe<\/p>\r\n

IGBT \u4ec5\u5728\u6805\u6781\u7aef\u5b50\u4e0a\u6709\u7535\u538b\u4f9b\u5e94\u65f6\u5de5\u4f5c\uff0c\u5b83\u662f\u6805\u6781\u7535\u538b\uff0c\u5373 VG\u3002\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u4e00\u65e6\u5b58\u5728\u6805\u6781\u7535\u538b ( VG ) \uff0c\u6805\u6781\u7535\u6d41 ( IG ) \u5c31\u4f1a\u589e\u52a0\uff0c\u7136\u540e\u5b83\u4f1a\u589e\u52a0\u6805\u6781-\u53d1\u5c04\u6781\u7535\u538b ( VGE )\u3002<\/p>\r\n

\u56e0\u6b64\uff0c\u6805\u6781-\u53d1\u5c04\u6781\u7535\u538b\u589e\u52a0\u4e86\u96c6\u7535\u6781\u7535\u6d41 ( IC )\u3002\u56e0\u6b64\uff0c\u96c6\u7535\u6781\u7535\u6d41 ( IC ) \u964d\u4f4e\u4e86\u96c6\u7535\u6781\u5230\u53d1\u5c04\u6781\u7535\u538b ( VCE )\u3002<\/p>\r\n

\u6ce8\u610f\uff1a<\/b>IGBT \u5177\u6709\u7c7b\u4f3c\u4e8e\u4e8c\u6781\u7ba1\u7684\u7535\u538b\u964d\uff0c\u901a\u5e38\u4e3a 2V \u91cf\u7ea7\uff0c\u4ec5\u968f\u7740\u7535\u6d41\u7684\u5bf9\u6570\u589e\u52a0\u3002<\/p>\r\n

IGBT \u4f7f\u7528\u7eed\u6d41\u4e8c\u6781\u7ba1<\/a>\u4f20\u5bfc\u53cd\u5411\u7535\u6d41\uff0c\u7eed\u6d41\u4e8c\u6781\u7ba1\u653e\u7f6e\u5728 IGBT \u7684\u96c6\u7535\u6781-\u53d1\u5c04\u6781\u7aef\u5b50\u4e0a\u3002<\/p>\r\n

04:<\/b>IGBT\u7684\u7b49\u6548\u7535\u8def<\/b><\/p>\r\n

IGBT\u7684\u8fd1\u4f3c\u7b49\u6548\u7535\u8def\u7531 MOS \u7ba1\u548c\u00a0PNP \u6676\u4f53\u7ba1(Q1 )\u7ec4\u6210,\u8003\u8651\u5230 n- \u6f02\u79fb\u533a\u63d0\u4f9b\u7684\u7535\u963b\uff0c\u7535\u963b Rd\u5df2\u5305\u542b\u5728\u7535\u8def\u4e2d\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\r\n

\r\n
<\/div>\r\n<\/figure>\r\n

IGBT \u7684\u8fd1\u4f3c\u7b49\u6548\u7535\u8def<\/p>\r\n

\u4ed4\u7ec6\u68c0\u67e5 IGBT \u7684\u57fa\u672c\u7ed3\u6784\uff0c\u53ef\u4ee5\u5f97\u51fa\u8fd9\u4e2a\u7b49\u6548\u7535\u8def\uff0c\u57fa\u672c\u7ed3\u6784\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\r\n

\r\n
<\/div>\r\n<\/figure>\r\n

\u7b49\u6548\u7535\u8def\u56fe\u7684\u57fa\u672c\u7ed3\u6784<\/p>\r\n

\u7a7f\u901a IGBT\u3001PT-IGBT\uff1a\u7a7f\u901a IGBT\u3001PT-IGBT \u5728\u53d1\u5c04\u6781\u63a5\u89e6\u5904\u5177\u6709 N+ \u533a\u3002<\/p>\r\n

\u89c2\u5bdf\u4e0a\u9762\u663e\u793a IGBT \u7684\u57fa\u672c\u7ed3\u6784\uff0c\u53ef\u4ee5\u770b\u5230\u5230\u4ece\u96c6\u7535\u6781\u5230\u53d1\u5c04\u6781\u5b58\u5728\u53e6\u4e00\u6761\u8def\u5f84\uff0c\u8fd9\u6761\u8def\u5f84\u662f\u96c6\u7535\u6781\u3001p+\u3001n- \u3001 p\uff08n \u901a\u9053\uff09\u3001n+ \u548c\u53d1\u5c04\u6781\u3002<\/p>\r\n

\u56e0\u6b64\uff0c\u5728 IGBT \u7ed3\u6784\u4e2d\u5b58\u5728\u53e6\u4e00\u4e2a\u6676\u4f53\u7ba1 Q2\u4f5c\u4e3a n \u2013 pn+\uff0c\u56e0\u6b64\uff0c\u6211\u4eec\u9700\u8981\u5728\u8fd1\u4f3c\u7b49\u6548\u7535\u8def\u4e2d\u52a0\u5165\u8fd9\u4e2a\u6676\u4f53\u7ba1 Q2\u4ee5\u83b7\u5f97\u7cbe\u786e\u7684\u7b49\u6548\u7535\u8def\u3002<\/p>\r\n

IGBT \u7684\u7cbe\u786e\u7b49\u6548\u7535\u8def\u5982\u4e0b\u6240\u793a\uff1a<\/p>\r\n

\r\n
<\/div>\r\n<\/figure>\r\n

IGBT\u7684\u7cbe\u786e\u7b49\u6548\u7535\u8def\u56fe<\/p>\r\n

\u8be5\u7535\u8def\u4e2d\u7684 Rby \u662f p \u533a\u5bf9\u7a7a\u7a74\u7535\u6d41\u7684\u6d41\u52a8\u63d0\u4f9b\u7684\u7535\u963b\u3002<\/p>\r\n

\u4f17\u6240\u5468\u77e5\uff0cIGBT\u662f MOS \u7ba1\u7684\u8f93\u5165\u548c BJT \u7684\u8f93\u51fa\u7684\u7ec4\u5408\uff0c\u5b83\u5177\u6709\u4e0eN\u6c9f\u9053MOS\u7ba1\u548c\u8fbe\u6797\u987f\u914d\u7f6e\u7684PNP BJT\u7b49\u6548\u7684\u7ed3\u6784\uff0c\u56e0\u6b64\u4e5f\u53ef\u4ee5\u52a0\u5165\u6f02\u79fb\u533a\u7684\u7535\u963b\u3002<\/p>\r\n

05<\/b><\/p>\r\n

IGBT \u7684\u7279\u6027–\u9759\u6001 VI \u7279\u6027<\/b><\/p>\r\n

\u4e0b\u56fe\u663e\u793a\u4e86 n \u6c9f\u9053 IGBT \u7684\u9759\u6001 VI \u7279\u6027\u4ee5\u53ca\u6807\u6709\u53c2\u6570\u7684\u7535\u8def\u56fe\uff0c\u8be5\u56fe\u4e0e BJT \u7684\u56fe\u76f8\u4f3c\uff0c\u53ea\u662f\u56fe\u4e2d\u4fdd\u6301\u6052\u5b9a\u7684\u53c2\u6570\u662f VGE\uff0c\u56e0\u4e3a IGBT \u662f\u7535\u538b\u63a7\u5236\u5668\u4ef6\uff0c\u800c BJT \u662f\u7535\u6d41\u63a7\u5236\u5668\u4ef6\u3002<\/p>\r\n

\r\n
<\/div>\r\n<\/figure>\r\n

IGBT\u7684\u9759\u6001\u7279\u6027\u56fe<\/p>\r\n

\u5f53 IGBT \u5904\u4e8e\u5173\u95ed\u6a21\u5f0f\u65f6\uff08VCE\u4e3a\u6b63\u4e14 VGE < VGET\uff09\uff0c\u53cd\u5411\u7535\u538b\u88ab J 2 \u963b\u65ad\uff0c\u5f53\u5b83\u88ab\u53cd\u5411\u504f\u7f6e\u65f6\uff0c\u5373 VCE\u4e3a\u8d1f\uff0cJ 1 \u963b\u65ad\u7535\u538b\u3002<\/p>\r\n

06:<\/b>IGBT \u7684\u7279\u6027–\u5f00\u5173\u7279\u6027<\/b><\/p>\r\n

IGBT \u662f\u7535\u538b\u63a7\u5236\u5668\u4ef6\uff0c\u56e0\u6b64\u5b83\u53ea\u9700\u8981\u4e00\u4e2a\u5f88\u5c0f\u7684\u7535\u538b\u5230\u6805\u6781\u5373\u53ef\u4fdd\u6301\u5bfc\u901a\u72b6\u6001\u3002<\/p>\r\n

\u7531\u4e8e\u662f\u5355\u5411\u5668\u4ef6\uff0c IGBT \u53ea\u80fd\u5728\u4ece\u96c6\u7535\u6781\u5230\u53d1\u5c04\u6781\u7684\u6b63\u5411\u5207\u6362\u7535\u6d41\u3002IGBT\u7684\u5178\u578b\u5f00\u5173\u7535\u8def\u5982\u4e0b\u6240\u793a\uff0c\u6805\u6781\u7535\u538b VG\u65bd\u52a0\u5230\u6805\u6781\u5f15\u811a\u4ee5\u4ece\u7535\u6e90\u7535\u538b V+ \u5207\u6362\u7535\u673a (M)\u3002\u7535\u963b Rs \u5927\u81f4\u7528\u4e8e\u9650\u5236\u901a\u8fc7\u7535\u673a\u7684\u7535\u6d41\u3002<\/p>\r\n

\r\n
<\/div>\r\n<\/figure>\r\n

IGBT\u7684\u5178\u578b\u5f00\u5173\u7535\u8def\u56fe<\/p>\r\n

\u4e0b\u56fe\u663e\u793a\u4e86IGBT \u7684\u5178\u578b\u5f00\u5173\u7279\u6027\u3002<\/p>\r\n

\r\n
<\/div>\r\n<\/figure>\r\n

IGBT \u7684\u5178\u578b\u5f00\u5173\u7279\u6027<\/p>\r\n

01<\/b><\/p>\r\n

01\u5bfc\u901a\u65f6\u95f4\uff08 t on\uff09<\/b><\/p>\r\n

\u901a\u5e38\u7531\u5ef6\u8fdf\u65f6\u95f4 (t dn ) \u548c\u4e0a\u5347\u65f6\u95f4 (t r ) \u4e24\u90e8\u5206\u7ec4\u6210\u3002<\/p>\r\n

02\u5ef6\u8fdf\u65f6\u95f4 \uff08t dn )<\/b><\/p>\r\n

\u5b9a\u4e49\u4e3a\u96c6\u7535\u6781\u7535\u6d41\u4ece\u6f0f\u7535\u6d41 ICE\u4e0a\u5347\u5230 0.1 IC\uff08\u6700\u7ec8\u96c6\u7535\u6781\u7535\u6d41\uff09\u548c\u96c6\u7535\u6781\u53d1\u5c04\u6781\u7535\u538b\u4ece VCE\u4e0b\u964d\u5230 0.9VCE\u7684\u65f6\u95f4\u3002<\/p>\r\n

03\u4e0a\u5347\u65f6\u95f4 \uff08t r )<\/b><\/p>\r\n

\u5b9a\u4e49\u4e3a\u96c6\u7535\u6781\u7535\u6d41\u4ece 0.1 IC\u4e0a\u5347\u5230 IC\u4ee5\u53ca\u96c6\u7535\u6781-\u53d1\u5c04\u6781\u7535\u538b\u4ece 0.9V CE\u4e0b\u964d\u5230 0.1 VCE\u7684\u65f6\u95f4\u3002<\/p>\r\n

04\u5173\u65ad\u65f6\u95f4\uff08 t off\uff09<\/b><\/p>\r\n

\u7531\u4e09\u4e2a\u90e8\u5206\u7ec4\u6210\uff0c\u5ef6\u8fdf\u65f6\u95f4 (t df )\u3001\u521d\u59cb\u4e0b\u964d\u65f6\u95f4 (t f1 ) \u548c\u6700\u7ec8\u4e0b\u964d\u65f6\u95f4 (t f2 )\u3002<\/p>\r\n

05\u5ef6\u8fdf\u65f6\u95f4 \uff08t df )<\/b><\/p>\r\n

\u5b9a\u4e49\u4e3a\u96c6\u7535\u6781\u7535\u6d41\u4ece I C\u4e0b\u964d\u5230 0.9 I C\u5e76\u4e14 V CE\u5f00\u59cb\u4e0a\u5347\u7684\u65f6\u95f4\u3002<\/p>\r\n

06\u521d\u59cb\u4e0b\u964d\u65f6\u95f4 \uff08t f1 )<\/b><\/p>\r\n

\u96c6\u7535\u6781\u7535\u6d41\u4ece 0.9 I C\u4e0b\u964d\u5230 0.2 I C\u5e76\u4e14\u96c6\u7535\u6781\u53d1\u5c04\u6781\u7535\u538b\u4e0a\u5347\u5230 0.1 V CE\u7684\u65f6\u95f4\u3002<\/p>\r\n

07\u6700\u7ec8\u4e0b\u964d\u65f6\u95f4 \uff08t f2 )<\/b><\/p>\r\n

\u5b9a\u4e49\u4e3a\u96c6\u7535\u6781\u7535\u6d41\u4ece 0.2 I C\u4e0b\u964d\u5230 0.1 I C\u5e76\u4e14 0.1V CE\u4e0a\u5347\u5230\u6700\u7ec8\u503c V CE\u7684\u65f6\u95f4\u3002<\/p>\r\n

\r\n
<\/div>\r\n<\/figure>\r\n

\u5173\u65ad\u65f6\u95f4\u516c\u5f0f<\/p>\r\n

\r\n
<\/div>\r\n<\/figure>\r\n

\u5bfc\u901a\u65f6\u95f4\u516c\u5f0f<\/p>\r\n

07<\/b><\/p>\r\n

IGBT \u7684\u7279\u6027–\u8f93\u5165\u7279\u6027<\/b><\/p>\r\n

\u4e0b\u56fe\u53ef\u4ee5\u7406\u89e3IGBT\u7684\u8f93\u5165\u7279\u6027\u3002\u5f00\u59cb\uff0c\u5f53\u6ca1\u6709\u7535\u538b\u65bd\u52a0\u5230\u6805\u6781\u5f15\u811a\u65f6\uff0cIGBT \u5904\u4e8e\u5173\u95ed\u72b6\u6001\uff0c\u6ca1\u6709\u7535\u6d41\u6d41\u8fc7\u96c6\u7535\u6781\u5f15\u811a\u3002<\/h2>\r\n

\u5f53\u65bd\u52a0\u5230\u6805\u6781\u5f15\u811a\u7684\u7535\u538b\u8d85\u8fc7\u9608\u503c\u7535\u538b\u65f6\uff0cIGBT \u5f00\u59cb\u5bfc\u901a\uff0c\u96c6\u7535\u6781\u7535\u6d41 I G\u5f00\u59cb\u5728\u96c6\u7535\u6781\u548c\u53d1\u5c04\u6781\u7aef\u5b50\u4e4b\u95f4\u6d41\u52a8\u3002\u96c6\u7535\u6781\u7535\u6d41\u76f8\u5bf9\u4e8e\u6805\u6781\u7535\u538b\u589e\u52a0\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\r\n

\r\n
<\/div>\r\n<\/figure>\r\n

IGBT\u7684\u8f93\u5165\u7279\u6027\u56fe<\/p>\r\n

08<\/b><\/p>\r\n

IGBT \u7684\u7279\u6027–\u8f93\u51fa\u7279\u6027<\/b><\/p>\r\n

\u7531\u4e8e IGBT \u7684\u5de5\u4f5c\u4f9d\u8d56\u4e8e\u7535\u538b\uff0c\u56e0\u6b64\u53ea\u9700\u8981\u5728\u6805\u6781\u7aef\u5b50\u4e0a\u63d0\u4f9b\u6781\u5c11\u91cf\u7684\u7535\u538b\u5373\u53ef\u4fdd\u6301\u5bfc\u901a\u3002<\/p>\r\n

IGBT \u4e0e\u53cc\u6781\u529f\u7387\u6676\u4f53\u7ba1\u76f8\u53cd\uff0c\u53cc\u6781\u529f\u7387\u6676\u4f53\u7ba1\u9700\u8981\u5728\u57fa\u6781\u533a\u57df\u6709\u8fde\u7eed\u7684\u57fa\u6781\u7535\u6d41\u6d41\u52a8\u4ee5\u4fdd\u6301\u9971\u548c\u3002
IGBT \u662f\u5355\u5411\u5668\u4ef6\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u53ea\u80fd\u5728\u201c\u6b63\u5411\u201d\uff08\u4ece\u96c6\u7535\u6781\u5230\u53d1\u5c04\u6781\uff09\u5f00\u5173\u3002
IGBT \u4e0e\u5177\u6709\u53cc\u5411\u7535\u6d41\u5207\u6362\u8fc7\u7a0b\u7684 MOS \u7ba1\u6b63\u597d\u76f8\u53cd\u3002MOS\u7ba1\u6b63\u5411\u53ef\u63a7\uff0c\u53cd\u5411\u7535\u538b\u4e0d\u53d7\u63a7\u5236\u3002
\u5728\u52a8\u6001\u6761\u4ef6\u4e0b\uff0c\u5f53 IGBT \u5173\u95ed\u65f6\uff0c \u53ef\u80fd\u4f1a\u7ecf\u5386\u95e9\u9501\u7535\u6d41\uff0c\u5f53\u8fde\u7eed\u5bfc\u901a\u72b6\u6001\u9a71\u52a8\u7535\u6d41\u4f3c\u4e4e\u8d85\u8fc7\u4e34\u754c\u503c\u65f6\uff0c\u8fd9\u5c31\u662f\u95e9\u9501\u7535\u6d41\u3002
\u6b64\u5916\uff0c\u5f53\u6805\u6781-\u53d1\u5c04\u6781\u7535\u538b\u4f4e\u4e8e\u9608\u503c\u7535\u538b\u65f6\uff0c\u4f1a\u6709\u5c11\u91cf\u6f0f\u7535\u6d41\u6d41\u8fc7 IGBT \uff0c\u6b64\u65f6\uff0c\u96c6\u7535\u6781-\u53d1\u5c04\u6781\u7535\u538b\u51e0\u4e4e\u7b49\u4e8e\u7535\u6e90\u7535\u538b\uff0c\u56e0\u6b64\uff0c\u56db\u5c42\u5668\u4ef6 IGBT \u5de5\u4f5c\u5728\u622a\u6b62\u533a\u3002<\/p>\r\n

\r\n
<\/div>\r\n<\/figure>\r\n

IGBT \u7684\u8f93\u51fa\u7279\u6027\u56fe<\/p>\r\n

IGBT \u7684\u8f93\u51fa\u7279\u6027\u5206\u4e3a\u4e09\u4e2a\u9636\u6bb5\uff1a<\/b><\/p>\r\n

\u7b2c\u4e00\u9636\u6bb5\uff1a<\/b>\u5f53\u6805\u6781\u7535\u538b VGE \u4e3a\u96f6\u65f6\uff0cIGBT \u5904\u4e8e\u5173\u65ad\u72b6\u6001\uff0c\u8fd9\u79f0\u4e3a\u622a\u6b62\u533a\u3002<\/p>\r\n

\u7b2c\u4e8c\u9636\u6bb5\uff1a<\/b>\u5f53 VGE \u589e\u52a0\u65f6\uff0c\u5982\u679c\u5b83\u5c0f\u4e8e\u9608\u503c\u7535\u538b\uff0c\u90a3\u4e48\u4f1a\u6709\u5f88\u5c0f\u7684\u6f0f\u7535\u6d41\u6d41\u8fc7 IGBT \uff0c\u4f46I GBT \u4ecd\u7136\u5904\u4e8e\u622a\u6b62\u533a\u3002<\/p>\r\n

\u7b2c\u4e09\u9636\u6bb5\uff1a<\/b>\u5f53 VGE\u589e\u52a0\u5230\u8d85\u8fc7\u9608\u503c\u7535\u538b\u65f6\uff0cIGBT \u8fdb\u5165\u6709\u6e90\u533a\uff0c\u7535\u6d41\u5f00\u59cb\u6d41\u8fc7 IGBT \u3002\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u7535\u6d41\u5c06\u968f\u7740\u7535\u538b VGE\u7684\u589e\u52a0\u800c\u589e\u52a0\u3002<\/p>\r\n

09<\/b><\/p>\r\n

IGBT \u7684\u4f18\u7f3a\u70b9<\/b><\/p>\r\n

IGBT\u4f5c\u4e3a\u4e00\u4e2a\u6574\u4f53\u517c\u6709BJT\u548cMOS\u7ba1\u7684\u4f18\u70b9\u3002<\/p>\r\n

1\u3001\u4f18\u70b9<\/b><\/u><\/h2>\r\n
    \r\n
  • \u5177\u6709\u66f4\u9ad8\u7684\u7535\u538b\u548c\u7535\u6d41\u5904\u7406\u80fd\u529b\u3002<\/li>\r\n
  • \u5177\u6709\u975e\u5e38\u9ad8\u7684\u8f93\u5165\u963b\u6297\u3002<\/li>\r\n
  • \u53ef\u4ee5\u4f7f\u7528\u975e\u5e38\u4f4e\u7684\u7535\u538b\u5207\u6362\u975e\u5e38\u9ad8\u7684\u7535\u6d41\u3002<\/li>\r\n
  • \u7535\u538b\u63a7\u5236\u88c5\u7f6e\uff0c\u5373\u5b83\u6ca1\u6709\u8f93\u5165\u7535\u6d41\u548c\u4f4e\u8f93\u5165\u635f\u8017\u3002<\/li>\r\n
  • \u6805\u6781\u9a71\u52a8\u7535\u8def\u7b80\u5355\u4e14\u4fbf\u5b9c\uff0c\u964d\u4f4e\u4e86\u6805\u6781\u9a71\u52a8\u7684\u8981\u6c42<\/li>\r\n
  • \u901a\u8fc7\u65bd\u52a0\u6b63\u7535\u538b\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u6253\u5f00\u5b83\uff0c\u901a\u8fc7\u65bd\u52a0\u96f6\u7535\u538b\u6216\u8d1f\u7535\u538b\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u5173\u95ed\u5b83\u3002<\/li>\r\n
  • \u5177\u6709\u975e\u5e38\u4f4e\u7684\u5bfc\u901a\u7535\u963b\u3002<\/li>\r\n
  • \u5177\u6709\u9ad8\u7535\u6d41\u5bc6\u5ea6\uff0c\u4f7f\u5176\u80fd\u591f\u5177\u6709\u66f4\u5c0f\u7684\u82af\u7247\u5c3a\u5bf8\u3002<\/li>\r\n
  • \u5177\u6709\u6bd4 BJT \u548c MOS \u7ba1\u66f4\u9ad8\u7684\u529f\u7387\u589e\u76ca\u3002<\/li>\r\n
  • \u5177\u6709\u6bd4 BJT \u66f4\u9ad8\u7684\u5f00\u5173\u901f\u5ea6\u3002<\/li>\r\n
  • \u53ef\u4ee5\u4f7f\u7528\u4f4e\u63a7\u5236\u7535\u538b\u5207\u6362\u9ad8\u7535\u6d41\u7535\u5e73\u3002<\/li>\r\n
  • \u7531\u4e8e\u53cc\u6781\u6027\u8d28\uff0c\u589e\u5f3a\u4e86\u4f20\u5bfc\u6027\u3002<\/li>\r\n
  • \u66f4\u5b89\u5168<\/li>\r\n<\/ul>\r\n

    2\u3001\u7f3a\u70b9<\/b><\/u><\/p>\r\n

      \r\n
    • \u5f00\u5173\u901f\u5ea6\u4f4e\u4e8e MOS\u7ba1\u3002<\/li>\r\n
    • \u5355\u5411\u7684\uff0c\u5728\u6ca1\u6709\u9644\u52a0\u7535\u8def\u7684\u60c5\u51b5\u4e0b\u65e0\u6cd5\u5904\u7406AC\u6ce2\u5f62\u3002<\/li>\r\n
    • \u4e0d\u80fd\u963b\u6321\u66f4\u9ad8\u7684\u53cd\u5411\u7535\u538b\u3002<\/li>\r\n
    • \u6bd4 BJT \u548c MOS\u7ba1 \u66f4\u6602\u8d35\u3002<\/li>\r\n
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