{"id":7040,"date":"2020-04-08T00:00:07","date_gmt":"2020-04-07T15:00:07","guid":{"rendered":"https:\/\/techclass.wfjydl.com\/?p=7040"},"modified":"2022-04-11T11:51:32","modified_gmt":"2022-04-11T03:51:32","slug":"%e5%ae%9e%e8%a3%85pcb%e6%9d%bf%e5%b8%83%e5%b1%80%e7%9b%b8%e5%85%b3%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/acdc\/acdc_pwm\/acdc_pwm06\/8830","title":{"rendered":"\u5b9e\u88c5PCB\u677f\u5e03\u5c40\u76f8\u5173\u7684\u6ce8\u610f\u4e8b\u9879"},"content":{"rendered":"<p>\u672c\u6587\u5c06\u4ecb\u7ecd\u672c\u8bbe\u8ba1\u4e2d\u7684\u5b89\u88c5\u7535\u8def\u677f\uff08PCB\uff09\u7248\u56fe\u4e0e\u5143\u5668\u4ef6\u5e03\u5c40\u76f8\u5173\u7684\u6ce8\u610f\u4e8b\u9879\u3002<\/p>\n<p><strong>\u5b9e\u88c5PCB\u677f\u5e03\u5c40\u76f8\u5173\u7684\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n<p>\u4e0b\u9762\u4ee5\u4e0b\u56fe\u4e2d\u7684\u7535\u8def\u56fe\uff08\u4f4e\u8fb9\u578b\uff09\u4e3a\u4f8b\uff0c\u6c47\u603b\u4e86PCB\u677f\u5e03\u5c40\u76f8\u5173\u7684\u6ce8\u610f\u4e8b\u9879\u3002\u867d\u7136\u4e0d\u540c\u7684\u7535\u8def\u6709\u5176\u7279\u5b9a\u7684\u6761\u4ef6\uff0c\u4f46\u5927\u591a\u6570\u90fd\u662f\u4ee5\u5f00\u5173\u7535\u6e90\u7535\u8def\u7684\u5e03\u5c40\u4e3a\u57fa\u7840\u7684\u3002\u7535\u8def\u56fe\u4e2d\u5217\u51fa\u4e86&#9312;\uff5e&#9318;\u6ce8\u610f\u4e8b\u9879\u7684\u8981\u70b9\u3002<\/p>\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"\/upload\/2020\/01\/a6-14_r1_f1.gif\" alt=\"PCB\u5e03\u5c40\u6ce8\u610f\u4e8b\u9879\"><\/p>\n<p><em>\u8981\u70b9&#9312;\uff1a<\/em>\u5f53VCC\u7ebf\u53d7\u5230\u5f00\u5173\u566a\u58f0\u7684\u5f71\u54cd\u65f6\uff0c\u53ef\u80fd\u4f1a\u8bef\u52a8\u4f5c\u3002\u56e0\u6b64\uff0c\u5efa\u8bae\u5728VCC\u5f15\u811a\u548cSR_GND\u5f15\u811a\u4e4b\u95f4\u5bf9\u7535\u5bb9\u5668C<sub>VCC<\/sub>\u72ec\u7acb\u5e03\u7ebf\uff0c\u5e76\u5c3d\u91cf\u8fde\u63a5\u5230\u5f15\u811a\u7684\u9644\u8fd1\u3002<\/p>\n<p><em>\u8981\u70b9&#9313;\uff1a<\/em>\u8fde\u63a5\u4e8eSH_IN\u5f15\u811a\u7684\u7ebf\u8def\u662f\u9ad8\u963b\u6297\u7ebf\u3002\u4e3a\u4e86\u907f\u514d\u4e32\u6270\uff0c\u5e03\u5c40\u65f6\u8bf7\u5c3d\u91cf\u7f29\u77ed\u5e03\u7ebf\uff0c\u5e76\u4e14\u4e0d\u8981\u4e0e\u5f00\u5173\u7ebf\u5e73\u884c\u5e03\u7ebf\u3002<\/p>\n<p><em>\u8981\u70b9&#9314;\uff1a<\/em>MAX_TON\u5f15\u811a\u5728\u53d7\u5f00\u5173\u5f71\u54cd\u65f6\u4f1a\u5f71\u54cd\u5230\u5f3a\u5236\u5173\u65ad\u65f6\u95f4\uff0c\u56e0\u6b64\u5efa\u8bae\u5c06R<sub>TON<\/sub>\u3001R3\u3001C1\u5c3d\u53ef\u80fd\u5730\u9760\u8fd1MAX_TON\u5f15\u811a\u8fde\u63a5\uff0c\u5e76\u901a\u8fc7\u72ec\u7acb\u5e03\u7ebf\u8fde\u63a5SR_GND\u5f15\u811a\u3002<\/p>\n<p><em>\u8981\u70b9&#9315;\uff1a<\/em>\u5728\u540c\u6b65\u6574\u6d41\u63a7\u5236\u4e2d\uff0c\u9700\u8981\u51c6\u786e\u76d1\u6d4b\u4e8c\u6b21\u4fa7MOSFET M2\u4ea7\u751f\u7684V<sub>DS2<\/sub>\uff0c\u56e0\u6b64\u8bf7\u52a1\u5fc5\u901a\u8fc7\u72ec\u7acb\u5e03\u7ebf\u5c06IC\u7684DRAIN\u5f15\u811a\u8fde\u63a5\u5230M2\u7684\u6f0f\u6781\uff0c\u5c06SR_GND\u5f15\u811a\u8fde\u63a5\u5230M2\u7684\u6e90\u6781\u3002<\/p>\n<p><em>\u8981\u70b9&#9316;\uff1a<\/em>\u5efa\u8bae\u901a\u8fc7\u72ec\u7acb\u5e03\u7ebf\u5c06\u5206\u6d41\u7a33\u538b\u5668GND\uff08SH_GND\uff09\u8fde\u63a5\u5230\u4e8c\u6b21\u4fa7\u8f93\u51fa\u7684GND\uff0c\u5c06\u53cd\u9988\u7535\u963bR<sub>FB1<\/sub>\u548cR<sub>FB2<\/sub>\u8fde\u63a5\u5230\u4e8c\u6b21\u4fa7\u8f93\u51faVOUT\u3002<\/p>\n<p><em>\u8981\u70b9&#9317;\uff1a<\/em>\u7531\u4e8eDRAIN\u5f15\u811a\u662f\u632f\u5e45\u7ea60V\uff0d100V\u7684\u5f00\u5173\u7ebf\uff0c\u56e0\u6b64\u8bf7\u5c3d\u53ef\u80fd\u5730\u91c7\u7528\u77ed\u4e14\u7ec6\u7684\u5e03\u7ebf\u3002<\/p>\n<p><em>\u8981\u70b9&#9318;\uff1a<\/em>\u5728MOSFET M2\u7684\u6f0f\u6781\uff0d\u6e90\u6781\u95f4\u63d2\u5165\u7f13\u51b2\u7535\u8def\u65f6\uff0c\u53d8\u538b\u5668\u8f93\u51fa\u548cM2\u7684\u6e90\u6781\u8bf7\u5c3d\u53ef\u80fd\u5730\u91c7\u7528\u77ed\u4e14\u7c97\u7684\u72ec\u7acb\u5e03\u7ebf\u3002<\/p>\n<p>\u4ee5\u4e0b\u4e3aPCB\u677f\u5e03\u5c40\u793a\u4f8b\u3002\u5de6\u4fa7\u4e3a\u8868\u9762\u3001\u53f3\u4fa7\u4e3a\u80cc\u9762\uff0c\u5176\u4e2d\u6807\u8bb0\u4e86\u4e0a\u8ff0\u2460\uff5e\u2465\u7684\u8981\u70b9\u3002\u8bf7\u4f5c\u4e3a\u5e03\u5c40\u793a\u610f\u56fe\u53c2\u8003\u4f7f\u7528\u3002<\/p>\n<p><img decoding=\"async\" src=\"\/upload\/2020\/01\/a6-14_r1_f2.gif\" alt=\"PCB\u677f\u5e03\u5c40\u793a\u4f8b\u56fe\"><\/p>\n<p>\u5728\u4e0b\u4e00\u7bc7\u6587\u7ae0\u4e2d\u5c06\u8fdb\u884c\u6700\u540e\u603b\u7ed3\u3002<\/p>\n<style>\n\tem{\n\t\tfont-weight: bold;\n\t\tfont-style: normal;\n\t}\n<\/style>\n","protected":false},"excerpt":{"rendered":"\u672c\u6587\u5c06\u4ecb\u7ecd\u672c\u8bbe\u8ba1\u4e2d\u7684\u5b89\u88c5\u7535\u8def\u677f\uff08PCB\uff09\u7248\u56fe\u4e0e\u5143\u5668\u4ef6\u5e03\u5c40\u76f8\u5173\u7684\u6ce8\u610f\u4e8b\u9879\u3002 \u5b9e\u88c5PCB\u677f\u5e03\u5c40\u76f8\u5173\u7684\u6ce8\u610f\u4e8b\u9879 \u4e0b\u9762\u4ee5\u4e0b\u56fe\u4e2d\u7684\u7535\u8def\u56fe\uff08\u4f4e\u8fb9\u578b\uff09\u4e3a\u4f8b\uff0c\u6c47\u603b\u4e86PCB\u677f\u5e03\u5c40\u76f8\u5173\u7684\u6ce8\u610f\u4e8b\u9879\u3002\u867d\u7136\u4e0d\u540c\u7684\u7535\u8def\u6709\u5176\u7279\u5b9a\u7684\u6761\u4ef6\uff0c\u4f46\u5927\u591a\u6570\u90fd\u662f\u4ee5 [&hellip;]","protected":false},"author":1,"featured_media":18757,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1102],"tags":[218,853,1041,1103,1104,1105,1106,1109,1110,1134,1139,1140],"class_list":["post-7040","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-acdc_pwm06","tag-218","tag-853","tag-1041","tag-ac-dc","tag-1104","tag-1105","tag-bm1r001xxf","tag-1134","tag-1139","tag-1140"],"acf":[],"wps_subtitle":"","_links":{"self":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/7040","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=7040"}],"version-history":[{"count":4,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/7040\/revisions"}],"predecessor-version":[{"id":10297,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/7040\/revisions\/10297"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media\/18757"}],"wp:attachment":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media?parent=7040"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/categories?post=7040"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/tags?post=7040"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}