{"id":6116,"date":"2019-02-07T00:00:23","date_gmt":"2019-02-06T15:00:23","guid":{"rendered":"https:\/\/micro.wfjydl.com\/techweb\/?p=6116"},"modified":"2022-09-19T13:41:36","modified_gmt":"2022-09-19T05:41:36","slug":"%e5%b0%8f%e7%bb%93","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/5797","title":{"rendered":"\u5c0f\u7ed3"},"content":{"rendered":"<p>\u5728DC\/DC\u8f6c\u6362\u5668\u8bbe\u8ba1\u7bc7\u201cDC\/DC\u8f6c\u6362\u5668\u7684PCB\u677f\u5e03\u5c40\u201d\u4e2d\uff0c\u66fe\u5bf9\u4ee5\u4e0b\u9879\u76ee\u8fdb\u884c\u4e86\u4ecb\u7ecd\u3002\u672c\u6587\u5c06\u6c47\u603b\u5404\u9879\u76ee\u7684\u5173\u952e\u8bcd\u4f5c\u4e3a\u603b\u7ed3\u3002<\/p>\n<div class=\"fBox line-list\">\r\n\t<div class=\"fl\">\r\n\t\t<ul class=\"line-none\">\r\n\t\t\t<li><a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/2767\" target=\"_blank\">\u964d\u538b\u578b\u8f6c\u6362\u5668\u5de5\u4f5c\u65f6\u7684\u7535\u6d41\u8def\u5f84<\/a><\/li>\r\n\t\t\t<li><a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/3164\" target=\"_blank\">\u5f00\u5173\u8282\u70b9\u7684\u632f\u94c3<\/a><\/li>\r\n\t\t\t<li><a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/3202\" target=\"_blank\">\u8f93\u5165\u7535\u5bb9\u5668\u548c\u4e8c\u6781\u7ba1\u7684\u914d\u7f6e<\/a><\/li>\r\n\t\t\t<li><a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/3256\" target=\"_blank\">\u6563\u70ed\u5b54\u7684\u914d\u7f6e <\/a><\/li>\r\n\t\t\t<li><a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/3254\" target=\"_blank\">\u7535\u611f\u7684\u914d\u7f6e <\/a><\/li>\r\n\t\t\t<li><a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/4378\" target=\"_blank\">\u8f93\u51fa\u7535\u5bb9\u5668\u7684\u914d\u7f6e <\/a><\/li>\r\n\t\t\t<li><a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/4682\" target=\"_blank\">\u53cd\u9988\u8def\u5f84\u7684\u5e03\u7ebf<\/a><\/li>\r\n\t\t\t<li><a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/4838\" target=\"_blank\">\u63a5\u5730<\/a><\/li>\r\n\t\t\t<li><a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/5048\" target=\"_blank\">\u94dc\u7b94\u7684\u7535\u963b\u548c\u7535\u611f<\/a><\/li>\r\n\t\t\t<!-- <li><a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/5348\" target=\"_blank\">?<\/a><\/li>-->\r\n\t\t\t<li><a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/5670\" target=\"_blank\">\u566a\u58f0\u5bf9\u7b56\uff1a\u62d0\u89d2\u5e03\u7ebf\u3001\u4f20\u5bfc\u566a\u58f0\u3001\u8f90\u5c04\u566a\u58f0<\/a><\/li>\r\n\t\t\t<li><a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/5771\" target=\"_blank\">\u566a\u58f0\u5bf9\u7b56\uff1a\u7f13\u51b2\u7535\u8def\u3001\u81ea\u4e3e\u7535\u963b\u3001\u6805\u6781\u7535\u963b<\/a><\/li>\r\n\t\t<\/ul>\r\n\t<\/div>\r\n<\/div>\r\n\n<p>\u9996\u5148\uff0c\u5728\u201cPCB\u5e03\u5c40\u7684\u8981\u70b9\u201d\u4e2d\u4ecb\u7ecd\u4e86\u6574\u4f53\u901a\u7528\u7684\u8981\u70b9\u3002\u8fd9\u4e9b\u662f\u6700\u5168\u9762\u6e05\u6670\u7684\u8981\u70b9\u603b\u7ed3\uff0c\u56e0\u6b64\u5728\u8fd9\u91cc\u4e5f\u5148\u5217\u51fa\u8fd9\u4e9b\u8981\u70b9\u3002<\/p>\n<div class=\"box-line\">\n<p><strong>PCB\u5e03\u5c40\u7684\u8981\u70b9\uff08\u6574\u4f53\uff09<\/strong><\/p>\n<ul class=\"line-none\">\n<li>\u5c06\u8f93\u5165\u7535\u5bb9\u5668\u548c\u4e8c\u6781\u7ba1\u5728\u4e0eIC\u5f15\u811a\u76f8\u540c\u7684\u9762\uff0c\u5c3d\u53ef\u80fd\u5730\u914d\u7f6e\u5728IC\u6700\u8fd1\u5904<\/li>\n<li>\u5fc5\u8981\u65f6\u914d\u7f6e\u6563\u70ed\u5b54<\/li>\n<li>\u7535\u611f\u53ef\u4f7f\u6765\u81ea\u5f00\u5173\u8282\u70b9\u7684\u8f90\u5c04\u566a\u58f0\u6700\u5c0f\u5316\uff0c\u56e0\u6b64\uff0c\u867d\u7136\u91cd\u8981\u7a0b\u5ea6\u4ec5\u6b21\u4e8e\u8f93\u5165\u7535\u5bb9\u5668\uff0c\u4e5f\u9700\u8981\u914d\u7f6e\u4e8eIC\u7684\u9644\u8fd1<\/li>\n<li>\u94dc\u7b94\u56fe\u5f62\u9762\u79ef\u4e0d\u8981\u8fc7\u5927<\/li>\n<li>\u8f93\u51fa\u7535\u5bb9\u5668\u914d\u7f6e\u4e8e\u7535\u611f\u9644\u8fd1<\/li>\n<li>\u53cd\u9988\u8def\u5f84\u7684\u5e03\u7ebf\u5c3d\u91cf\u8fdc\u79bb\u7535\u611f\u548c\u4e8c\u6781\u7ba1\u7b49\u7684\u566a\u58f0\u6e90<\/li>\n<li>\u62d0\u89d2\u5e03\u7ebf\u5706\u5f27\u72b6<\/li>\n<\/ul>\n<\/div>\n<div class=\"box-line\">\n<ol class=\"line-none\">\n<li><a href=\"\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/2767\">\u964d\u538b\u578b\u8f6c\u6362\u5668\u5de5\u4f5c\u65f6\u7684\u7535\u6d41\u8def\u5f84<\/a>\n<div id=\"keypoint-dcdc\" class=\"keypoint\">\n<h2>\u5173\u952e\u8981\u70b9<\/h2>\n<p>\u30fb\u8fdb\u884cPCB\u677f\u5e03\u5c40\uff08\u8bbe\u8ba1\uff09\u65f6\uff0c\u4e86\u89e3\u964d\u538b\u578b\u8f6c\u6362\u5668\u7684\u7535\u6d41\u8def\u5f84\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u30fb\u5f00\u5173\u7a33\u538b\u5668\u7684\u5f00\u5173\u52a8\u4f5c\u5f15\u53d1\u7684\u7535\u6d41\u6025\u5267ON\/OFF\uff0c\u5982\u679c\u4e0d\u901a\u8fc7\u6070\u5f53\u7684\u5e03\u5c40\u6765\u5904\u7406\uff0c\u5c06\u5bf9\u7535\u8def\u5de5\u4f5c\u548c\u5176\u4ed6\u4ea7\u751f\u4e0d\u826f\u5f71\u54cd\u3002<\/p>\n<\/div>\n<\/li>\n<li><a href=\"\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/3164\">\u5f00\u5173\u8282\u70b9\u7684\u632f\u94c3<\/a>\n<div id=\"keypoint-dcdc\" class=\"keypoint\">\n<h2>\u5173\u952e\u8981\u70b9<\/h2>\n<p>\u30fb\u5b9e\u9645\u7684\u5370\u5237\u7535\u8def\u677f\u4e2d\uff0c\u5b58\u5728\u7535\u8def\u56fe\u4e2d\u6ca1\u6709\u7684\u5bc4\u751f\u7535\u5bb9\u548c\u5bc4\u751f\u7535\u611f\u3002<\/p>\n<p>\u30fb\u5bc4\u751f\u6210\u5206\u53ef\u80fd\u5f15\u53d1\u632f\u94c3\u7b49\u95ee\u9898\u3002<\/p>\n<p>\u30fbPCB\u677f\u5e03\u5c40\u8981\u8bb0\u4f4f\u8fd9\u4e9b\u8981\u70b9\uff0c\u4e89\u53d6\u6700\u4f73\u5e03\u5c40\u3002<\/p>\n<\/div>\n<\/li>\n<li><a href=\"\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/3202\">\u8f93\u5165\u7535\u5bb9\u5668\u548c\u4e8c\u6781\u7ba1\u7684\u914d\u7f6e<\/a>\n<div id=\"keypoint-dcdc\" class=\"keypoint\">\n<h2>\u5173\u952e\u8981\u70b9<\/h2>\n<p>\u30fb\u6700\u597d\u6700\u5148\u4ece\u8f93\u5165\u7535\u5bb9\u5668\u548c\u4e8c\u6781\u7ba1\u7684\u914d\u7f6e\u5f00\u59cb\u3002<\/p>\n<p>\u30fb\u5c06\u8f93\u5165\u7535\u5bb9\u5668\u548c\u4e8c\u6781\u7ba1\u5728\u4e0eIC\u5f15\u811a\u76f8\u540c\u7684\u9762\uff0c\u5c3d\u53ef\u80fd\u5730\u914d\u7f6e\u5728IC\u6700\u8fd1\u5904\u662f\u94c1\u5219\u3002<\/p>\n<p>\u30fb\u5bc4\u751f\u7535\u611f\u4f1a\u5bfc\u81f4\u566a\u58f0\uff0c\u56e0\u6b64\u5bfc\u901a\u5b54\u7684\u4f7f\u7528\u9700\u8981\u5145\u5206\u63a2\u8ba8\u3002\u7535\u6d41\u5f00\u5173\u7684\u4f4d\u7f6e\u9700\u8981\u6ce8\u610f\u3002<\/p>\n<\/div>\n<\/li>\n<li><a href=\"\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/3256\">\u6563\u70ed\u5b54\u7684\u914d\u7f6e<\/a>\n<div id=\"keypoint-dcdc\" class=\"keypoint\">\n<h2>\u5173\u952e\u8981\u70b9<\/h2>\n<p>\u30fb\u6563\u70ed\u5b54\u662f\u5229\u7528\u8d2f\u901aPCB\u677f\u7684\u901a\u9053\uff08\u8fc7\u5b54\uff09\u4f7f\u70ed\u91cf\u4f20\u5bfc\u5230\u80cc\u9762\u6765\u6563\u70ed\u7684\u624b\u6cd5\u3002<\/p>\n<p>\u30fb\u6563\u70ed\u5b54\u8981\u914d\u7f6e\u5728\u53d1\u70ed\u4f53\u7684\u6b63\u4e0b\u65b9\u6216\u5c3d\u53ef\u80fd\u9760\u8fd1\u53d1\u70ed\u4f53\u3002<\/p>\n<\/div>\n<\/li>\n<li><a href=\"\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/3254\">\u7535\u611f\u7684\u914d\u7f6e<\/a>\n<div id=\"keypoint-dcdc\" class=\"keypoint\">\n<h2>\u5173\u952e\u8981\u70b9<\/h2>\n<p>\u30fb\u7535\u611f\u8981\u5c3d\u91cf\u914d\u7f6e\u5728IC\u9644\u8fd1\u3002<\/p>\n<p>\u30fb\u94dc\u7b94\u9762\u79ef\u4e0d\u53ef\u8fc7\u5927\u3002<\/p>\n<p>\u30fb\u7535\u611f\u7684\u6b63\u4e0b\u65b9\u4e0d\u53ef\u914d\u7f6eGND\u5c42\u3002\u4e5f\u8981\u6781\u529b\u907f\u514d\u914d\u7f6e\u4fe1\u53f7\u7ebf\u3002<\/p>\n<p>\u30fb\u7535\u611f\u5f15\u811a\u7684\u5e03\u7ebf\u4e0d\u8981\u592a\u8fd1\u3002<\/p>\n<\/div>\n<\/li>\n<li><a href=\"\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/4378\">\u8f93\u51fa\u7535\u5bb9\u5668\u7684\u914d\u7f6e<\/a>\n<div id=\"keypoint-dcdc\" class=\"keypoint\">\n<h2>\u5173\u952e\u8981\u70b9<\/h2>\n<p>\u30fb\u8f93\u51fa\u7535\u5bb9\u5668\u8981\u5c3d\u91cf\u914d\u7f6e\u5728\u7535\u611f\u9644\u8fd1\u3002<\/p>\n<p>\u30fb\u4e3a\u51cf\u5c11\u9ad8\u9891\u566a\u58f0\u7684\u4f20\u5bfc\uff0cCIN\u7684GND\u548cCO\u7684GND\u8981\u79bb\u5f001\uff5e2cm\u914d\u7f6e\u3002<\/p>\n<\/div>\n<\/li>\n<li><a href=\"\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/4682\">\u53cd\u9988\u8def\u5f84\u7684\u5e03\u7ebf<\/a>\n<div id=\"keypoint-dcdc\" class=\"keypoint\">\n<h2>\u5173\u952e\u8981\u70b9<\/h2>\n<p>\u30fb\u8f93\u51fa\u7aef\u7684\u53cd\u9988\u4fe1\u53f7\u7ebf\u8981\u8fdc\u79bb\u5f00\u5173\u8282\u70b9\u3002\u5982\u679c\u5f15\u53d1\u566a\u58f0\u5c06\u53ef\u80fd\u5bfc\u81f4\u8bef\u5dee\u6216\u8bef\u52a8\u4f5c\u3002<\/p>\n<p>\u30fb\u8fd8\u6709\u4e00\u79cd\u65b9\u6cd5\u662f\u7ecf\u7531\u8fc7\u5b54\u5728PCB\u677f\u80cc\u9762\u5e03\u7ebf\u3002<\/p>\n<\/div>\n<\/li>\n<li><a href=\"\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/4838\">\u63a5\u5730<\/a>\n<div id=\"keypoint-dcdc\" class=\"keypoint\">\n<h2>\u5173\u952e\u8981\u70b9<\/h2>\n<p>\u30fbAGND\u548cPGND\u9700\u8981\u5206\u79bb\uff0c\u539f\u5219\u4e0aPGND\u4e0d\u8981\u5206\u9694\u4e14\u914d\u7f6e\u5728\u9876\u5c42\u3002<\/p>\n<p>\u30fb\u5982\u679c\u5206\u9694PGND\u800c\u901a\u8fc7\u8fc7\u5b54\u5728\u80cc\u9762\u8fde\u63a5\uff0c\u5219\u53d7\u8fc7\u5b54\u7535\u963b\u548c\u7535\u611f\u7684\u5f71\u54cd\uff0c\u635f\u8017\u548c\u566a\u58f0\u5c06\u4f1a\u589e\u52a0\u3002<\/p>\n<p>\u30fb\u516c\u5171\u5730\u3001\u4fe1\u53f7\u5730\u548cPGND\u7684\u8fde\u63a5\uff0c\u8981\u5728\u5f00\u5173\u566a\u58f0\u8f83\u5c11\u7684\u8f93\u51fa\u7535\u5bb9\u5668\u9644\u8fd1\u7684PGND\u8fdb\u884c\u3002<\/p>\n<\/div>\n<\/li>\n<li><a href=\"\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/5048\">\u94dc\u7b94\u7684\u7535\u963b\u548c\u7535\u611f<\/a>\n<div id=\"keypoint-dcdc\" 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