{"id":4414,"date":"2017-05-11T10:00:52","date_gmt":"2017-05-11T01:00:52","guid":{"rendered":"http:\/\/micro.rohm.com\/cn\/techweb\/?p=4414"},"modified":"2021-11-11T11:32:31","modified_gmt":"2021-11-11T03:32:31","slug":"%e7%bb%9d%e7%bc%98%e5%9e%8b%e5%8f%8d%e6%bf%80%e5%bc%8f%e8%bd%ac%e6%8d%a2%e5%99%a8%e7%94%b5%e8%b7%af%e8%ae%be%e8%ae%a1%ef%bc%9a%e4%b8%bb%e8%a6%81%e9%83%a8%e4%bb%b6%e7%9a%84%e9%80%89%e5%ae%9a%ef%bc%8d-2","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/acdc\/acdc_pwm\/acdc_pwm01\/1261","title":{"rendered":"\u7edd\u7f18\u578b\u53cd\u6fc0\u5f0f\u8f6c\u6362\u5668\u7535\u8def\u8bbe\u8ba1\uff1a\u4e3b\u8981\u90e8\u4ef6\u7684\u9009\u5b9a\uff0dMOSFET\u76f8\u5173(\u4e8c)"},"content":{"rendered":"<p>\u5728\u201c<a href=\"\/knowledge\/acdc\/acdc_pwm\/acdc_pwm01\/1221\">\u4e3b\u8981\u90e8\u4ef6\u7684\u9009\u5b9a\uff0dMOSFET\u76f8\u5173 \u51761<\/a>\u201d\u4e2d\u9009\u5b9aMOSFET Q1\uff0c\u63a5\u4e0b\u6765\u5c06\u5efa\u6784MOSFET\u5916\u56f4\u7684\u7535\u8def\u3002<\/p>\n<p>\u9996\u5148\uff0c\u6765\u91cd\u6e29\u7535\u8def\u5de5\u4f5c\u3002\u4ee5D4\u3001R5\u3001R6\u8c03\u6574\u4eceIC\u7684OUT\uff08PWM\u8f93\u51fa\uff09\u7aef\u8f93\u51fa\u7684\u4fe1\u53f7\uff0c\u8ba9MOSFET Q1\u80fd\u591f\u6b63\u786e\u5de5\u4f5c\uff0c\u7136\u540e\u518d\u9a71\u52a8MOSFET\u7684\u6805\u6781\u3002MOSFET Q1\u5f00\/\u5173\u7ecf\u8fc7\u6574\u6d41\u4e14\u6d41\u5411\u53d8\u538b\u5668 T1\u4e00\u6b21\u4fa7\u7684\u9ad8\u7535\u538b\uff0c\u5c06\u5176\u7535\u80fd\u4f20\u9001\u81f3\u4e8c\u6b21\u4fa7\u3002Q1\u5728ON\u65f6Ids\u6d41\u52a8\uff0c\u4f46\u56e0\u4e3a\u5e76\u975e\u65e0\u9650\u5236\u6d41\u52a8\uff0c\u662f\u6545\u5229\u7528R8\u68c0\u6d4b\u7535\u6d41\u5e76\u52a0\u4ee5\u9650\u5236\u3002<\/p>\n<p>\u9996\u5148\uff0c\u672c\u7a3f\u51b3\u5b9a\u8c03\u6574MOSFET\u6805\u6781\u9a71\u52a8\u7684\u7535\u8def\u3001\u4e8c\u6781\u7ba1 D4\u3001\u7535\u963bR5\u3001R6\uff0c\u5176\u6b21\uff0c\u51b3\u5b9a\u9650\u6d41\u548c\u659c\u7387\u8865\u507f\u4e0a\u5fc5\u8981\u7684\u7535\u6d41\u68c0\u6d4b\u7535\u963bR8\u3002<\/p>\n<p><strong>MOSFET \u6805\u6781\u7535\u8def R5\u3001R6\u3001D4<\/strong><\/p>\n<div class=\"fBox\">\n<div class=\"fl\" style=\"width: 330px;\">\n<p>\u4e3a\u4e86\u9a71\u52a8MOSFET\uff0c\u4ece\u7535\u6e90IC\u7684PWM\u8f93\u51fa\u7684\u8f93\u51fa\u4fe1\u53f7\uff0c\u4f46\u5982\u679c\u76f4\u63a5\u548cMOSFET\u7684\u6805\u6781\u76f8\u63a5\uff0c\u53cd\u800c\u65e0\u6cd5\u83b7\u5f97\u6700\u4f73\u5de5\u4f5c\u72b6\u6001\uff0c\u5fc5\u987b\u914d\u5408\u7535\u8def\u548c\u8981\u6c42\u7684\u7279\u6027\u8fdb\u884c\u8c03\u6574\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u5c31\u662f\u5c06MOSFET\u7684\u5f00\u5173\u635f\u8017\u548c\u566a\u58f0\u4f18\u5316\u3002\u5206\u522b\u8c03\u6574MOSFET\u7684ON\u548cOFF\u7684\u901f\u5ea6\uff0c\u5728\u5f00\u5173\u635f\u8017\u548c\u5f00\u5173\u566a\u58f0\u7684\u59a5\u534f\u70b9\u5de5\u4f5c\u3002\u6240\u8c13\u59a5\u534f\u70b9\uff0c\u6b63\u662f\u56e0\u4e3a\u5f00\u5173\u635f\u8017\u548c\u5f00\u5173\u566a\u58f0\u4e92\u5448\u53cd\u6bd4\u6240\u5f62\u6210\u7684\u3002\u63d0\u5347\u5f00\u5173\u901f\u5ea6\u540e\uff0c\u5f00\u5173\u635f\u8017\u5c06\u51cf\u5c11\u3002\u7136\u800c\uff0c\u5f00\u5173\u901f\u5ea6\u53d8\u5feb\u65f6\uff0c\u7535\u6d41\u4f1a\u6025\u5267\u53d1\u751f\u53d8\u5316\uff0c\u9020\u6210\u5f00\u5173\u566a\u58f0\u53d8\u5927\u3002<\/p>\n<p class=\"mb0\">\u6805\u6781\u7535\u8def\u7684\u5e38\u91cf\u662f\u96be\u4ee5\u7ecf\u7531\u4e8b\u5148\u51b3\u5b9a\u7684\u516c\u5f0f\u8ba1\u7b97\u51fa\u6765\u3002\u56e0\u6b64\uff0c\u4ece\u7535\u6e90IC\u6280\u672f\u89c4\u683c\u7684\u7535\u8def\u56fe\u4e0a\uff0c\u6240\u6807\u793a\u7684\u6570\u503c\u5f00\u59cb\uff0c\u6700\u540e\u518d\u5b9e\u673a\u5de5\u4f5c\u770b\u770b\uff0c\u786e\u8ba4MOSFET\u6e29\u5ea6\u4e0a\u5347\u662f\u5426\u4f4d\u5728\u5bb9\u8bb8\u8303\u56f4\u5185\uff0c\u4e5f\u5c31\u662f\u68c0\u67e5\u5f00\u5173\u635f\u8017\u3002\u6b64\u5916\uff0c\u8fd8\u8981\u8fdb\u884c\u5f00\u5173\u566a\u58f0\u7684\u6d4b\u91cf\uff0c\u786e\u8ba4\u5176\u5728\u9002\u5f53\u7684\u8303\u56f4\u3002<\/p>\n<\/div>\n<div class=\"fr\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1290\" src=\"\/upload\/2017\/05\/9A_mosfet-e1416890048932.jpg\" alt=\"9A_mosfet\" width=\"300\" height=\"236\" \/><\/p>\n<\/div>\n<\/div>\n<ul class=\"line-none\">\n<li>MOSFET ON\u65f6\u7684\u901f\u5ea6\u7528R5\u548cR6\u8fdb\u884c\u8c03\u6574<\/li>\n<li>MOSFET OFF\u65f6\u7684\u6e05\u7535\u8377\u7528\u4e8c\u6781\u7ba1D4\uff0c\u4ee5R5\u8fdb\u884c\u8c03\u6574<\/li>\n<\/ul>\n<p class=\"mb0\">\u9009\u62e9\u5de5\u4f5c\u7535\u6d41\u6a21\u5f0f\u7684\u4e0d\u8fde\u7eed\u6a21\u5f0f\u540e\uff0cMOSFET ON\u65f6\u57fa\u672c\u4e0a\u4e0d\u4f1a\u53d1\u751f\u5f00\u5173\u635f\u8017\uff0c\u800cOFF\u65f6\u635f\u8017\u5219\u53ef\u63a7\u5236\u7684\u3002\u4e3a\u51cf\u8f7bMOSFET OFF\u65f6\u7684\u5f00\u5173\u635f\u8017\uff0c\u7f29\u5c0fR5\u4e14\u63d0\u5347OFF\u901f\u5ea6\uff0c\u4f46\u7535\u6d41\u6025\u5267\u53d8\u5316\uff0c\u9020\u6210\u5f00\u5173\u566a\u58f0\u53d8\u5927\u3002\u6b64\u6b21\u8303\u4f8b\u7535\u8def\u4e2d\u63d0\u51fa\u4e86\u4e0b\u5217\u51e0\u9879\u3002<\/p>\n<ul class=\"line-none\">\n<li>R5\uff1d22\u03a9 0.25W\u3001R6\uff1d150\u03a9\u3001D4\uff1aRB160L-60 \uff08\u8096\u7279\u57fa\u4e8c\u6781\u7ba1 60V\/1A\uff09<\/li>\n<\/ul>\n<p>\u4e3a\u4e86\u5728MOSFET OFF\u65f6\uff0c\u9ad8\u901f\u6d88\u9664\u6805\u6781\u7535\u8377\uff0c\u800c\u4f7f\u7528\u4e86\u4e8c\u6781\u7ba1 D4\u3002\u635f\u8017\u53d8\u5c0f\u4e14\u9ad8\u901f\uff0c\u56e0\u6b64\u9009\u62e9\u8096\u7279\u57fa\u52bf\u5792\u4e8c\u6781\u7ba1\u3002<\/p>\n<p>\u4f5c\u4e3a\u6ce8\u610f\u4e8b\u9879\uff0c\u7531\u4e8e\u8109\u51b2\u7535\u6d41\u4f1a\u6d41\u8fc7R5\uff0c\u56e0\u6b64\u8bf7\u786e\u8ba4\u4f7f\u7528\u7684\u7535\u963b\u80fd\u627f\u53d7\u8109\u51b2\u7535\u6d41\u3002<\/p>\n<p><strong>\u7535\u6d41\u68c0\u6d4b\u7535\u963b R8<\/strong><\/p>\n<p>\u548cMOSFET\u6e90\u6781\u76f8\u63a5\u7684\u7535\u963b\u4e2d\uff0c\u6e90\u6781\u7aef\u548c\u7535\u6e90IC\u7684CS\u5f15\u811a\u76f8\u63a5\uff0c\u53e6\u4e00\u7aef\u5219\u662f\u548cGND\u76f8\u63a5\u3002MOSFET OFF\u65f6\uff0c\u5229\u7528\u6d41\u5411R8\u7684\u7535\u6d41\u6240\u4ea7\u751f\u7535\u538b\u4e0b\u964d\u73b0\u8c61\uff0c\u9a71\u52a8CS\u5f15\u811a\u3002\u5c31\u529f\u80fd\u800c\u8a00\uff0c\u62e5\u6709\u9650\u5236\u6d41\u5411\u4e00\u6b21\u4fa7\u7684\u7535\u6d41\u3001\u5728\u9488\u5bf9\u8f93\u51fa\u8fc7\u8d1f\u8f7d\u7684\u4fdd\u62a4\u3001\u63a7\u5236\u7535\u6d41\u6a21\u5f0f\u7684\u659c\u7387\u8865\u507f3\u4e2a\u529f\u80fd\u3002CS\u5f15\u811a\u7684\u8be6\u7ec6\u5185\u5bb9\u8bf7\u53c2\u7167\u7535\u6e90IC <a href=\"https:\/\/www.wfjydl.com\/products\/power-management\/ac-dc-converters-ics\/ac-dc-converters-ics-pwm-qr\/bm1p061fj-product\" target=\"_blank\" rel=\"noopener\">BM1P061FJ<\/a>\u7684\u6280\u672f\u89c4\u683c\u3002<\/p>\n<p>\u7531\u4e8e\u62e5\u6709\u591a\u79cd\u529f\u80fd\uff0c\u56e0\u6b64\u6709\u65f6\u4f1a\u56e0\u4e3a\u53d8\u538b\u5668\u4e00\u6b21\u4fa7\u7684\u7535\u611f\uff0c\u4ee5\u53ca\u8f93\u5165\u7535\u538b\u800c\u53d7\u5230\u9650\u5236\uff0c\u7ecf\u7531\u4e0b\u5217\u516c\u5f0f\u8ba1\u7b97\u51faR8\u3002Ippk\u6216Duty\u5219\u662f\u5728\u201c<a href=\"\/knowledge\/acdc\/acdc_pwm\/acdc_pwm01\/940\">\u53d8\u538b\u5668\u8bbe\u8ba1\uff08\u6570\u503c\u8ba1\u7b97\uff09<\/a>\u201d\u6765\u8ba1\u7b97\u3002Vcs\u6839\u636eBM1P061FJ\u7684CS\u5f15\u811a\u7535\u538b\u7684\u89c4\u683c\u8ba1\u7b97\u4e3a0.4V\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1307\" src=\"\/upload\/2017\/05\/expression01-e1417170031894.jpg\" alt=\"expression01\" width=\"710\" height=\"61\" \/><\/p>\n<p>\u8ba1\u7b97\u7ed3\u679cR8\u4e3a0.2\u03a9\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u7ecf\u7531\u4e0b\u5217\u516c\u5f0f\u8ba1\u7b97\u51fa\u68c0\u6d4b\u7535\u963bR8\u7684\u635f\u8017P_R8\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1308\" src=\"\/upload\/2017\/05\/expression02-e1417170096635.jpg\" alt=\"expression02\" width=\"710\" height=\"78\" \/><\/p>\n<p>\u8003\u8651\u8ba1\u7b97\u7ed3\u679c\u548c\u8010\u8109\u51b2\u7535\u6d41\uff0c\u9009\u62e9\u80fd\u627f\u53d71W\u4ee5\u4e0a\u7684\u5bb9\u8bb8\u7535\u963b\u3002\u5c31\u7b97\u529f\u7387\u989d\u5b9a\u503c\u76f8\u540c\uff0c\u4e5f\u53ef\u80fd\u56e0\u4e3a\u7535\u963b\u6784\u9020\u7b49\uff0c\u800c\u6539\u53d8\u8010\u8109\u51b2\u7535\u6d41\u7279\u6027\uff0c\u56e0\u6b64\u5fc5\u987b\u5411\u6240\u7528\u7535\u963b\u5382\u5546\u786e\u8ba4\u3002<\/p>\n<p>\u56e0\u800c\uff0c\u672c\u8282\u51b3\u5b9a\u4e86MOSFET\u56db\u5468\u90e8\u4ef6\u7684\u5e38\u91cf\u3002\u5728\u8ba1\u7b97\u516c\u5f0f\u4e4b\u5916\uff0c\u518d\u6839\u636e\u7ecf\u9a8c\u6cd5\u5219\u548c\u5b9e\u673a\u786e\u8ba4\u7b49\uff0c\u6216\u8bb8\u4ecd\u65e0\u6cd5\u5b8c\u5168\u4e86\u89e3\uff0c\u800c\u7535\u6e90\u8bbe\u8ba1\u4e0a\u5374\u5b58\u5728\u8bb8\u591a\u8fd9\u7c7b\u7684\u60c5\u51b5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728\u201c\u4e3b\u8981\u90e8\u4ef6\u7684\u9009\u5b9a\uff0dMOSFET\u76f8\u5173 \u51761\u201d\u4e2d\u9009\u5b9aMOSFET Q1\uff0c\u63a5\u4e0b\u6765\u5c06\u5efa\u6784MOSFET\u5916\u56f4\u7684\u7535\u8def\u3002 \u9996\u5148\uff0c\u6765\u91cd\u6e29\u7535\u8def\u5de5\u4f5c\u3002\u4ee5D4\u3001R5\u3001R6\u8c03\u6574\u4eceIC\u7684OUT\uff08PWM\u8f93\u51fa\uff09\u7aef\u8f93\u51fa\u7684\u4fe1\u53f7\uff0c\u8ba9MOSFET Q1\u80fd\u591f\u6b63 [&hellip;]","protected":false},"author":1,"featured_media":16428,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[12],"tags":[175,302,303,310,311],"class_list":["post-4414","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-acdc_pwm01","tag-mosfet","tag-303"],"acf":[],"wps_subtitle":"","_links":{"self":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/4414","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/comments?post=4414"}],"version-history":[{"count":12,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/4414\/revisions"}],"predecessor-version":[{"id":16427,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/4414\/revisions\/16427"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media\/16428"}],"wp:attachment":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media?parent=4414"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/categories?post=4414"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/tags?post=4414"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}