{"id":70812,"date":"2026-05-08T06:00:00","date_gmt":"2026-05-07T21:00:00","guid":{"rendered":"https:\/\/voltechno.com\/blog\/?p=70812"},"modified":"2026-05-08T01:14:44","modified_gmt":"2026-05-07T16:14:44","slug":"usbpd-ch221k","status":"publish","type":"post","link":"https:\/\/voltechno.com\/blog\/usbpd-ch221k\/","title":{"rendered":"USB PD\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9IC CH221K\u3092\u4f7f\u3046\u3001USB Type-C\u30b3\u30cd\u30af\u30bf\u304b\u3089\u4efb\u610f\u306e\u96fb\u5727\u3092\u53d6\u308a\u51fa\u3059\u65b9\u6cd5"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69fd26c1382dd\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69fd26c1382dd\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/voltechno.com\/blog\/usbpd-ch221k\/#PD%E3%82%B3%E3%83%B3%E3%83%88%E3%83%AD%E3%83%BC%E3%83%A9_IC_CH221K%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%A6USB_PD%E3%81%8B%E3%82%89%E4%BB%BB%E6%84%8F%E3%81%AE%E9%9B%BB%E5%9C%A7%E3%82%92%E5%8F%96%E3%82%8A%E5%87%BA%E3%81%99\" >PD\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9 IC CH221K\u3092\u4f7f\u3063\u3066USB PD\u304b\u3089\u4efb\u610f\u306e\u96fb\u5727\u3092\u53d6\u308a\u51fa\u3059<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/voltechno.com\/blog\/usbpd-ch221k\/#CH221K%E3%81%AE%E5%9F%BA%E6%9C%AC%E4%BB%95%E6%A7%98\" >CH221K\u306e\u57fa\u672c\u4ed5\u69d8<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/voltechno.com\/blog\/usbpd-ch221k\/#%E5%AE%9F%E9%9A%9B%E3%81%ABCH221K%E4%BD%BF%E3%81%A3%E3%81%A612V%E3%82%92%E5%8F%96%E3%82%8A%E5%87%BA%E3%81%97%E3%81%A6%E3%81%BF%E3%82%8B\" >\u5b9f\u969b\u306bCH221K\u4f7f\u3063\u306612V\u3092\u53d6\u308a\u51fa\u3057\u3066\u307f\u308b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/voltechno.com\/blog\/usbpd-ch221k\/#CH221KUSB_PD%E3%83%88%E3%83%AA%E3%82%AC%E3%82%92%E4%BD%BF%E3%81%86%E6%99%82%E3%81%AE%E6%B3%A8%E6%84%8F%E7%82%B9\" >CH221K(USB PD\u30c8\u30ea\u30ac)\u3092\u4f7f\u3046\u6642\u306e\u6ce8\u610f\u70b9<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/voltechno.com\/blog\/usbpd-ch221k\/#%E6%B6%88%E8%B2%BB%E9%9B%BB%E5%8A%9B%E3%81%8C%E5%A4%A7%E3%81%8D%E3%81%84IC%E3%81%AA%E3%81%AE%E3%81%A7%E3%80%81%E6%8A%B5%E6%8A%97%E3%81%AE%E9%81%B8%E5%AE%9A%E3%81%AB%E6%B3%A8%E6%84%8F\" >\u6d88\u8cbb\u96fb\u529b\u304c\u5927\u304d\u3044IC\u306a\u306e\u3067\u3001\u62b5\u6297\u306e\u9078\u5b9a\u306b\u6ce8\u610f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/voltechno.com\/blog\/usbpd-ch221k\/#EPR%E3%81%A8PPS%E3%81%AF%E9%9D%9E%E5%AF%BE%E5%BF%9C\" >EPR\u3068PPS\u306f\u975e\u5bfe\u5fdc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/voltechno.com\/blog\/usbpd-ch221k\/#%E3%82%BD%E3%83%BC%E3%82%B9%E5%81%B4%E3%81%AE%E6%9C%80%E5%A4%A7%E9%9B%BB%E6%B5%81%E3%82%92%E6%8A%8A%E6%8F%A1%E3%81%A7%E3%81%8D%E3%81%AA%E3%81%84\" >\u30bd\u30fc\u30b9\u5074\u306e\u6700\u5927\u96fb\u6d41\u3092\u628a\u63e1\u3067\u304d\u306a\u3044<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/voltechno.com\/blog\/usbpd-ch221k\/#%E6%8A%B5%E6%8A%97%E3%81%A7PDO%E3%81%8C%E5%A4%89%E3%82%8F%E3%82%8B%E4%BB%95%E6%A7%98%E3%81%AA%E3%81%AE%E3%81%A7%E4%B8%8D%E6%84%8F%E3%81%AA%E9%9B%BB%E5%9C%A7%E5%A4%89%E6%9B%B4%E3%81%AF%E8%80%83%E6%85%AE%E3%81%97%E3%81%A6%E3%81%8A%E3%81%8F\" >\u62b5\u6297\u3067PDO\u304c\u5909\u308f\u308b\u4ed5\u69d8\u306a\u306e\u3067\u4e0d\u610f\u306a\u96fb\u5727\u5909\u66f4\u306f\u8003\u616e\u3057\u3066\u304a\u304f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/voltechno.com\/blog\/usbpd-ch221k\/#%E3%83%8D%E3%82%B4%E3%82%B7%E3%82%A8%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%B3%E5%AE%8C%E4%BA%86%E5%89%8D%E3%81%AB5V%E3%81%8C%E4%B8%80%E7%9E%AC%E5%85%A5%E3%82%8B%E3%81%9F%E3%82%81%E5%9B%9E%E8%B7%AF%E3%81%AE%E6%8C%99%E5%8B%95%E3%81%AB%E3%81%AF%E6%B0%97%E3%82%92%E4%BB%98%E3%81%91%E3%82%8B\" >\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u5b8c\u4e86\u524d\u306b5V\u304c\u4e00\u77ac\u5165\u308b\u305f\u3081\u56de\u8def\u306e\u6319\u52d5\u306b\u306f\u6c17\u3092\u4ed8\u3051\u308b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/voltechno.com\/blog\/usbpd-ch221k\/#%E3%82%BD%E3%83%BC%E3%82%B9%E5%81%B4%E3%81%AE%E6%9C%80%E5%A4%A7%E9%9B%BB%E5%9C%A7%E3%81%8C%E8%B6%B3%E3%82%8A%E3%81%AA%E3%81%84%E5%A0%B4%E5%90%88%E3%81%AF%E6%9C%80%E5%A4%A7%E9%9B%BB%E5%9C%A7%E3%81%8C%E5%87%BA%E5%8A%9B%E3%81%95%E3%82%8C%E3%82%8B\" >\u30bd\u30fc\u30b9\u5074\u306e\u6700\u5927\u96fb\u5727\u304c\u8db3\u308a\u306a\u3044\u5834\u5408\u306f\u6700\u5927\u96fb\u5727\u304c\u51fa\u529b\u3055\u308c\u308b<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"PD%E3%82%B3%E3%83%B3%E3%83%88%E3%83%AD%E3%83%BC%E3%83%A9_IC_CH221K%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%A6USB_PD%E3%81%8B%E3%82%89%E4%BB%BB%E6%84%8F%E3%81%AE%E9%9B%BB%E5%9C%A7%E3%82%92%E5%8F%96%E3%82%8A%E5%87%BA%E3%81%99\"><\/span>PD\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9 IC CH221K\u3092\u4f7f\u3063\u3066USB PD\u304b\u3089\u4efb\u610f\u306e\u96fb\u5727\u3092\u53d6\u308a\u51fa\u3059<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u4ee5\u524d\u3001<a href=\"https:\/\/voltechno.com\/blog\/type-c-current\/\">USB Type-C\u30b3\u30cd\u30af\u30bf\u3092\u5099\u3048\u305fUSB PD\u5145\u96fb\u5668\u304b\u30895V\u3092\u53d6\u308b\u65b9\u6cd5<\/a>\u3092\u89e3\u8aac\u3057\u307e\u3057\u305f\u304c\u3001\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306fUSB PD \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9IC\u3068\u547c\u3070\u308c\u308b\u96fb\u5b50\u90e8\u54c1\u3092\u4f7f\u3063\u30665V\u4ee5\u5916\u306e\u96fb\u5727\u3092\u53d6\u308a\u51fa\u3059\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-voltechno wp-block-embed-voltechno\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"zyNX0ILBWf\"><a href=\"https:\/\/voltechno.com\/blog\/type-c-current\/\">Type-C Current\u3067USB\u3092\u4f7f\u3046\u3001Type-C\u30b3\u30cd\u30af\u30bf\u304b\u3089\u96fb\u6e90\u3092\u53d6\u308a\u51fa\u3059\u3010\u9006\u5f15\u304d\u56de\u8def\u8a2d\u8a08\u3011<\/a><\/blockquote><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;Type-C Current\u3067USB\u3092\u4f7f\u3046\u3001Type-C\u30b3\u30cd\u30af\u30bf\u304b\u3089\u96fb\u6e90\u3092\u53d6\u308a\u51fa\u3059\u3010\u9006\u5f15\u304d\u56de\u8def\u8a2d\u8a08\u3011&#8221; &#8212; VOLTECHNO\" src=\"https:\/\/voltechno.com\/blog\/type-c-current\/embed\/#?secret=pBXsnz9A8b#?secret=zyNX0ILBWf\" data-secret=\"zyNX0ILBWf\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>USB Type-C\u7aef\u5b50\u304b\u3089\u5358\u7d14\u306b5V\u3092\u53d6\u308b\u5834\u5408\u3067\u3042\u308c\u3070\u3001CC\u7aef\u5b50\u306b5.1k\u03a9\u306e\u30d7\u30eb\u30c0\u30a6\u30f3\u62b5\u6297\u3092\u63a5\u7d9a\u3059\u308bType-C Current\u3067OK\u3067\u3059\u304c\u3001USB PD\u306e\u898f\u683c\u306b\u6cbf\u3063\u30669V\u304b\u308920V\u307e\u3067\u306e\u96fb\u5727\u3092\u53d6\u308a\u51fa\u3059\u5834\u5408\u306b\u306f\u3001\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u3068\u547c\u3070\u308c\u308b\u901a\u4fe1\u3092\u884c\u308f\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u666e\u901a\u306bPD\u306e\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u88c5\u3059\u308b\u3068\u7d50\u69cb\u624b\u9593\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u304c\u3001\u4eca\u56de\u4f7f\u7528\u3059\u308bUSB PD\u5c02\u7528IC\u3092\u4f7f\u7528\u3059\u308c\u3070\u3001\u7c21\u5358\u306bUSB PD\u5145\u96fb\u5668\u304b\u3089\u4efb\u610f\u306e\u96fb\u5727\u3092\u53d6\u308a\u51fa\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u4f7f\u7528\u3059\u308b\u306e\u306fWCH\u306eUSB PD\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9 IC CH221K\u3067\u3059\u3002WCH\u306f\u4e2d\u56fd\u306eIC\u30e1\u30fc\u30ab\u30fc\u3067\u3059\u304c\u3001\u65e5\u672c\u3067\u306f\u79cb\u6708\u96fb\u5b50\u901a\u5546\u3084\u4e2d\u56fd\u7cfb\u306e\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30bf\u3067\u3042\u308bLCSC\u304b\u3089\u8cfc\u5165\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"CH221K%E3%81%AE%E5%9F%BA%E6%9C%AC%E4%BB%95%E6%A7%98\"><\/span>CH221K\u306e\u57fa\u672c\u4ed5\u69d8<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1475\" height=\"566\" src=\"https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-004.png\" alt=\"\" class=\"wp-image-70815\" srcset=\"https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-004.png 1475w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-004-350x134.png 350w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-004-590x226.png 590w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-004-768x295.png 768w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-004-450x173.png 450w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-004-900x345.png 900w\" sizes=\"auto, (max-width: 1475px) 100vw, 1475px\" \/><\/figure>\n\n\n\n<p>WCH CH221K\u306f\u3001SOT23-6\u30d1\u30c3\u30b1\u30fc\u30b8\u306e6pin\u4ed5\u69d8\u306eIC\u3067\u3059\u3002<\/p>\n\n\n\n<p>USB PD 3.0\/2.0\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u306e\u3067\u73fe\u884c\u306eUSB PD\u5145\u96fb\u5668\u3084\u30e2\u30d0\u30a4\u30eb\u30d0\u30c3\u30c6\u30ea\u30fc\u304b\u30895V\/9V\/12V\/15V\/20V\u306e5\u7a2e\u985e\u306e\u96fb\u5727\u306e\u53d6\u308a\u51fa\u3057\u306b\u5bfe\u5fdc\u3057\u3066\u304a\u308a\u3001\u56de\u8def\u69cb\u6210\u3082\u62b5\u62974\u3064\u3068\u30b3\u30f3\u30c7\u30f3\u30b51\u3064\u3067\u5b8c\u7d50\u3067\u304d\u308b\u30b7\u30f3\u30d7\u30eb\u306a\u69cb\u6210\u304c\u5f37\u307f\u306eIC\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u53d6\u308a\u51fa\u3059\u96fb\u5727\u306e\u6307\u5b9a\u306f\u3001\u5916\u4ed8\u3051\u306e\u62b5\u6297\u5024\u3092\u5909\u3048\u308b\u3053\u3068\u3067\u4efb\u610f\u306e\u96fb\u5727\u306e\u6307\u5b9a\u304c\u53ef\u80fd\u306a\u69cb\u6210\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1200\" src=\"https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-22.jpg\" alt=\"\" class=\"wp-image-70816\" srcset=\"https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-22.jpg 1600w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-22-309x232.jpg 309w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-22-590x442.jpg 590w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-22-768x576.jpg 768w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-22-1536x1152.jpg 1536w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-22-427x320.jpg 427w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-22-853x640.jpg 853w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%AE%9F%E9%9A%9B%E3%81%ABCH221K%E4%BD%BF%E3%81%A3%E3%81%A612V%E3%82%92%E5%8F%96%E3%82%8A%E5%87%BA%E3%81%97%E3%81%A6%E3%81%BF%E3%82%8B\"><\/span>\u5b9f\u969b\u306bCH221K\u4f7f\u3063\u306612V\u3092\u53d6\u308a\u51fa\u3057\u3066\u307f\u308b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>CH221K\u3092\u4f7f\u3063\u3066\u3001USB PD\u5145\u96fb\u5668\u304b\u308912V\u3092\u53d6\u308a\u51fa\u3059\u56de\u8def\u3092\u4f5c\u3063\u3066\u307f\u307e\u3059\u3002CH221K\u306712V\u3092\u8981\u6c42\u3059\u308b\u306b\u306f\u300147k\u03a9\u306e\u62b5\u6297\u3092\u5b9f\u88c5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4eca\u56de\u3001CH221K\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306e\u56de\u8def\u57fa\u677f\u3092\u8d77\u3053\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u305d\u306e\u56de\u8def\u3067\u52d5\u4f5c\u78ba\u8a8d\u3092\u884c\u3063\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1200\" src=\"https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-29.jpg\" alt=\"\" class=\"wp-image-70817\" srcset=\"https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-29.jpg 1600w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-29-309x232.jpg 309w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-29-590x442.jpg 590w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-29-768x576.jpg 768w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-29-1536x1152.jpg 1536w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-29-427x320.jpg 427w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-29-853x640.jpg 853w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<p>SOT23-6\u30d1\u30c3\u30b1\u30fc\u30b8\u306f\u8868\u9762\u5b9f\u88c5\u306e\u90e8\u54c1\u3067\u3059\u304c\u3001\u614e\u91cd\u306b\u4f5c\u696d\u3092\u3059\u308c\u3070\u624b\u306f\u3093\u3060\u3082\u6bd4\u8f03\u7684\u5bb9\u6613\u306a\u30b5\u30a4\u30ba\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1200\" src=\"https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-4.jpg\" alt=\"\" class=\"wp-image-70821\" srcset=\"https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-4.jpg 1600w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-4-309x232.jpg 309w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-4-590x442.jpg 590w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-4-768x576.jpg 768w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-4-1536x1152.jpg 1536w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-4-427x320.jpg 427w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-4-853x640.jpg 853w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<p>USB PD\u3067\u4efb\u610f\u306e\u96fb\u5727\u3092\u53d6\u308a\u51fa\u3059\u6700\u4f4e\u9650\u306e\u90e8\u54c1\u5b9f\u88c5\u304c\u51fa\u6765\u307e\u3057\u305f\u3002\u4e00\u5fdc\u3001\u3053\u306e\u56de\u8def\u306b\u306f\u4ed6\u306e\u6a5f\u80fd\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u305d\u306e\u6a5f\u80fd\u306f\u5225\u306e\u8a18\u4e8b\u3067\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1200\" src=\"https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-1.jpg\" alt=\"\" class=\"wp-image-70819\" srcset=\"https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-1.jpg 1600w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-1-309x232.jpg 309w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-1-590x442.jpg 590w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-1-768x576.jpg 768w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-1-1536x1152.jpg 1536w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-1-427x320.jpg 427w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-1-853x640.jpg 853w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<p>\u52d5\u4f5c\u78ba\u8a8d\u3068\u3057\u3066\u3001USB PD\u5145\u96fb\u5668\u3092\u7e4b\u3052\u3066\u5b9f\u969b\u306b\u56de\u8def\u3092\u52d5\u4f5c\u3055\u305b\u3066\u307f\u307e\u3057\u305f\u3002CH221K\u304cUSB PD\u5145\u96fb\u5668\u306b12V\u3092\u8981\u6c42\u3057\u3001\u4e0a\u624b\u304f12V\u3092\u53d6\u308a\u51fa\u305b\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1200\" src=\"https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-3.jpg\" alt=\"\" class=\"wp-image-70820\" srcset=\"https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-3.jpg 1600w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-3-309x232.jpg 309w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-3-590x442.jpg 590w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-3-768x576.jpg 768w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-3-1536x1152.jpg 1536w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-3-427x320.jpg 427w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-3-853x640.jpg 853w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"CH221KUSB_PD%E3%83%88%E3%83%AA%E3%82%AC%E3%82%92%E4%BD%BF%E3%81%86%E6%99%82%E3%81%AE%E6%B3%A8%E6%84%8F%E7%82%B9\"><\/span>CH221K(USB PD\u30c8\u30ea\u30ac)\u3092\u4f7f\u3046\u6642\u306e\u6ce8\u610f\u70b9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>CH221K\u306f\u4fd7\u79f0\u3068\u3057\u3066PD\u30c8\u30ea\u30acIC (\u307e\u305f\u306fPD\u30c7\u30b3\u30a4)\u3068\u3082\u547c\u3070\u308c\u3066\u304a\u308a\u3001USB PD\u304b\u3089\u624b\u8efd\u306b\u4efb\u610f\u306e\u96fb\u5727\u3092\u53d6\u308a\u51fa\u305b\u308bIC\u3068\u3057\u3066\u30b7\u30f3\u30d7\u30eb\u306a\u5c0f\u578b\u88fd\u54c1\u3084AC\u30a2\u30c0\u30d7\u30bf\u3067\u52d5\u304f\u88fd\u54c1\u306eUSB Type-C\u30b3\u30cd\u30af\u30bf\u5316\u306a\u3069\u306b\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\u3001CH221K\u3092\u59cb\u3081\u3068\u3059\u308b\u30c8\u30ea\u30acIC\u306f\u3001\u30b7\u30f3\u30d7\u30eb\u3055\u6545\u306b\u4f7f\u3044\u3069\u3053\u308d\u306b\u3082\u6ce8\u610f\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u3044IC\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%B6%88%E8%B2%BB%E9%9B%BB%E5%8A%9B%E3%81%8C%E5%A4%A7%E3%81%8D%E3%81%84IC%E3%81%AA%E3%81%AE%E3%81%A7%E3%80%81%E6%8A%B5%E6%8A%97%E3%81%AE%E9%81%B8%E5%AE%9A%E3%81%AB%E6%B3%A8%E6%84%8F\"><\/span>\u6d88\u8cbb\u96fb\u529b\u304c\u5927\u304d\u3044IC\u306a\u306e\u3067\u3001\u62b5\u6297\u306e\u9078\u5b9a\u306b\u6ce8\u610f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1205\" height=\"300\" src=\"https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-003.png\" alt=\"\" class=\"wp-image-70814\" srcset=\"https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-003.png 1205w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-003-350x87.png 350w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-003-590x147.png 590w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-003-768x191.png 768w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-003-450x112.png 450w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-003-900x224.png 900w\" sizes=\"auto, (max-width: 1205px) 100vw, 1205px\" \/><\/figure>\n\n\n\n<p>CH221K\u306f\u52d5\u4f5c\u6642\u306e\u6d88\u8cbb\u96fb\u529b\u304c\u9ad8\u304f\u3001WCH\u306eCH22x\u30d5\u30a1\u30df\u30ea\u30fc\u306e\u4e2d\u3067\u3082CH224K\u3068\u4e26\u3073\u9ad8\u3044\u6d88\u8cbb\u96fb\u529b\u4ed5\u69d8\u306eIC\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306fPD\u306b\u3088\u308b\u96fb\u5727\u5909\u52d5\u306b\u5bfe\u3057\u3066IC\u52d5\u4f5c\u96fb\u5727\u3092\u8d85\u3048\u308b\u96fb\u5727\u30921k\u03a9\u306e\u62b5\u6297\u306b\u96fb\u5727\u3092\u8ca0\u62c5\u3055\u305b\u308b\u8a2d\u8a08\u306b\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u306e\u3088\u3046\u3067\u30011k\u03a9\u306e\u62b5\u6297\u306f1\/2W\u4ee5\u4e0a\u306e\u8a31\u5bb9\u96fb\u529b\u3092\u6301\u3064\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u7b46\u8005\u306f\u3053\u306e\u90e8\u5206\u306b3225\u30b5\u30a4\u30ba\u306e1\/2W\u30c1\u30c3\u30d7\u62b5\u6297\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"EPR%E3%81%A8PPS%E3%81%AF%E9%9D%9E%E5%AF%BE%E5%BF%9C\"><\/span>EPR\u3068PPS\u306f\u975e\u5bfe\u5fdc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>CH221K\u306f\u300128V\u308448V\u304c\u51fa\u305b\u308bEPR\u3084\u96fb\u6d41\u5236\u5fa1\u306ePPS\u306b\u306f\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u53d6\u308a\u51fa\u305b\u308b\u96fb\u5727\u306f5V\/9V\/12V\/15V\/20V\u306e5\u7a2e\u985e\u306e\u96fb\u5727\u306e\u307f\u306b\u5bfe\u5fdc\u3057\u3066\u304a\u308a\u3001\u305d\u306e\u53d6\u308a\u51fa\u305b\u308b\u96fb\u5727\u3082USB PD\u30bd\u30fc\u30b9\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-voltechno wp-block-embed-voltechno\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"jm9zkNZBGg\"><a href=\"https:\/\/voltechno.com\/blog\/usb-pdpps\/\">USB PD PPS\u3092\u89e3\u8aac\u3001USB\u7d66\u96fb\u3092\u6839\u672c\u304b\u3089\u5909\u3048\u308b\u6280\u8853<\/a><\/blockquote><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;USB PD PPS\u3092\u89e3\u8aac\u3001USB\u7d66\u96fb\u3092\u6839\u672c\u304b\u3089\u5909\u3048\u308b\u6280\u8853&#8221; &#8212; VOLTECHNO\" src=\"https:\/\/voltechno.com\/blog\/usb-pdpps\/embed\/#?secret=WZSDtZKojk#?secret=jm9zkNZBGg\" data-secret=\"jm9zkNZBGg\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%82%BD%E3%83%BC%E3%82%B9%E5%81%B4%E3%81%AE%E6%9C%80%E5%A4%A7%E9%9B%BB%E6%B5%81%E3%82%92%E6%8A%8A%E6%8F%A1%E3%81%A7%E3%81%8D%E3%81%AA%E3%81%84\"><\/span>\u30bd\u30fc\u30b9\u5074\u306e\u6700\u5927\u96fb\u6d41\u3092\u628a\u63e1\u3067\u304d\u306a\u3044<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>USB PD\u30bd\u30fc\u30b9\u306f\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u6642\u306b\u6700\u5927\u96fb\u6d41\u3092\u901a\u77e5\u3059\u308b\u4ed5\u7d44\u307f\u3092\u5099\u3048\u3066\u3044\u308b\u306e\u3067\u3059\u304c\u3001CH221K\u306f\u96fb\u5727\u3092\u8981\u6c42\u3059\u308b\u3060\u3051\u3067\u3042\u308a\u3001\u6700\u5927\u96fb\u6d41\u4ed5\u69d8\u3092\u628a\u63e1\u3059\u308b\u624b\u6bb5\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306f\u3001CH221K\u306e\u3088\u3046\u306a\u30b7\u30f3\u30d7\u30eb\u306aPD\u30c8\u30ea\u30acIC\u5168\u822c\u306e\u554f\u984c\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6700\u5927\u96fb\u6d41\u304c\u628a\u63e1\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u8ca0\u8377\u304c\u5927\u304d\u304f\u306a\u3063\u305f\u5834\u5408\u306b\u4e0d\u610f\u306b\u96fb\u6e90\u304c\u9014\u5207\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u3001\u307e\u305f\u9ad8\u6e29\u6642\u306b\u51fa\u529b\u96fb\u6d41\u3092\u7d5e\u308bUSB PD\u30c7\u30d0\u30a4\u30b9\u3092\u4f7f\u7528\u3059\u308b\u969b\u306b\u306f\u3001\u305d\u308c\u306b\u5bfe\u5fdc\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001CH221K\u306e\u3088\u3046\u306a\u30b7\u30f3\u30d7\u30eb\u306aPD\u30c8\u30ea\u30acIC\u3092\u4f7f\u7528\u3059\u308b\u6a5f\u5668\u306f\u3001\u4f4e\u6d88\u8cbb\u96fb\u529b\u306b\u4f7f\u7528\u3059\u308b\u306e\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%8A%B5%E6%8A%97%E3%81%A7PDO%E3%81%8C%E5%A4%89%E3%82%8F%E3%82%8B%E4%BB%95%E6%A7%98%E3%81%AA%E3%81%AE%E3%81%A7%E4%B8%8D%E6%84%8F%E3%81%AA%E9%9B%BB%E5%9C%A7%E5%A4%89%E6%9B%B4%E3%81%AF%E8%80%83%E6%85%AE%E3%81%97%E3%81%A6%E3%81%8A%E3%81%8F\"><\/span>\u62b5\u6297\u3067PDO\u304c\u5909\u308f\u308b\u4ed5\u69d8\u306a\u306e\u3067\u4e0d\u610f\u306a\u96fb\u5727\u5909\u66f4\u306f\u8003\u616e\u3057\u3066\u304a\u304f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u3053\u308c\u3082\u30b7\u30f3\u30d7\u30eb\u306aPD\u30c8\u30ea\u30acIC\u5168\u822c\u306e\u8a71\u3067\u3059\u304c\u3001\u3053\u306e\u624b\u306ePD\u30c8\u30ea\u30acIC\u306f\u96fb\u5727\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u6a5f\u80fd\u304c\u306a\u3044\u305f\u3081\u3001\u96fb\u5727\u5909\u52d5\u3092\u30c8\u30ea\u30acIC\u306e\u307f\u3067\u691c\u77e5\u3067\u304d\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001\u96fb\u5727\u3067\u3042\u308c\u3070\u5916\u4ed8\u3051\u306e\u56de\u8def\u3067\u5909\u52d5\u306f\u691c\u77e5\u3067\u304d\u308b\u305f\u3081\u3001\u5148\u307b\u3069\u306e\u96fb\u6d41\u3088\u308a\u306f\u5bfe\u5fdc\u304c\u5bb9\u6613\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3060\u3057\u3001CH221K\u306b\u95a2\u3057\u3066\u306f\u5916\u4ed8\u3051\u306e\u62b5\u6297\u306b\u3088\u308b\u30a2\u30ca\u30ed\u30b0\u96fb\u5727\u3067\u306e\u5236\u5fa1\u3068\u306a\u308a\u3001\u534a\u7530\u4e0d\u826f\u3084\u62b5\u6297\u306e\u640d\u50b7\u306b\u3088\u3063\u3066\u62b5\u6297\u5024\u304c\u4e0a\u304c\u3063\u305f\u5834\u5408\u3001\u6700\u592720V\u307e\u3067\u4e0a\u6607\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u52d5\u4f5c\u96fb\u5727\u304c\u5909\u308f\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u3092\u524d\u63d0\u3068\u3057\u3066\u3001\u4e8b\u6545\u304c\u304a\u3053\u3089\u306a\u3044\u3088\u3046\u306a\u56de\u5eca\u69cb\u6210\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%83%8D%E3%82%B4%E3%82%B7%E3%82%A8%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%B3%E5%AE%8C%E4%BA%86%E5%89%8D%E3%81%AB5V%E3%81%8C%E4%B8%80%E7%9E%AC%E5%85%A5%E3%82%8B%E3%81%9F%E3%82%81%E5%9B%9E%E8%B7%AF%E3%81%AE%E6%8C%99%E5%8B%95%E3%81%AB%E3%81%AF%E6%B0%97%E3%82%92%E4%BB%98%E3%81%91%E3%82%8B\"><\/span>\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u5b8c\u4e86\u524d\u306b5V\u304c\u4e00\u77ac\u5165\u308b\u305f\u3081\u56de\u8def\u306e\u6319\u52d5\u306b\u306f\u6c17\u3092\u4ed8\u3051\u308b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u3053\u308c\u306fUSB PD\u305d\u306e\u3082\u306e\u306e\u6319\u52d5\u306e\u8a71\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u524d\u306b\u4e00\u5ea65V\u304c\u51fa\u529b\u3055\u308c\u308b\u305f\u3081\u3001\u305d\u306e\u6319\u52d5\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>USB PD\u306f\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u884c\u3046\u524d\u306b\u3001CC\u7aef\u5b50\u306e\u30d7\u30eb\u30c0\u30a6\u30f3\u306b\u3088\u3063\u30665V\u304c\u51fa\u529b\u3055\u308c\u3066\u304b\u3089\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u304c\u59cb\u307e\u308b\u305f\u3081\u3001\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u5b8c\u4e86\u307e\u3067\u306f5V\u304c\u4f9b\u7d66\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%82%BD%E3%83%BC%E3%82%B9%E5%81%B4%E3%81%AE%E6%9C%80%E5%A4%A7%E9%9B%BB%E5%9C%A7%E3%81%8C%E8%B6%B3%E3%82%8A%E3%81%AA%E3%81%84%E5%A0%B4%E5%90%88%E3%81%AF%E6%9C%80%E5%A4%A7%E9%9B%BB%E5%9C%A7%E3%81%8C%E5%87%BA%E5%8A%9B%E3%81%95%E3%82%8C%E3%82%8B\"><\/span>\u30bd\u30fc\u30b9\u5074\u306e\u6700\u5927\u96fb\u5727\u304c\u8db3\u308a\u306a\u3044\u5834\u5408\u306f\u6700\u5927\u96fb\u5727\u304c\u51fa\u529b\u3055\u308c\u308b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>PD\u30c8\u30ea\u30acIC\u306fUSB PD\u30bd\u30fc\u30b9\u306b\u5bfe\u3057\u3066\u51fa\u529b\u96fb\u5727\u3092\u6307\u793a\u3059\u308bIC\u3067\u3042\u308a\u3001\u5909\u5727\u306b\u3088\u3063\u3066\u96fb\u5727\u3092\u64cd\u4f5c\u3057\u3066\u3044\u308b\u8a33\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001\u6700\u5927\u51fa\u529b\u96fb\u5727\u306f\u63a5\u7d9a\u3059\u308bUSB PD\u30bd\u30fc\u30b9\u306e\u4ed5\u69d8\u5024\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\u300112V\u3092\u53d6\u308b\u69cb\u6210\u306b\u3057\u305f\u3064\u3082\u308a\u3067\u4f55\u3089\u304b\u306e\u624b\u9055\u3044\u3067\u5b9f\u969b\u306e\u8981\u6c42\u306f20V\u306a\u3063\u3066\u3044\u305f\u304c\u3001USB PD 18W\u306e\u3088\u3046\u306a\u6700\u5927\u51fa\u529b\u96fb\u5727\u304c12V\u306eUSB PD\u5145\u96fb\u5668\u3092\u63a5\u7d9a\u3057\u3066\u3044\u305f\u305f\u3081\u306b\u3001\u305f\u307e\u305f\u307e12V\u304c\u51fa\u529b\u3055\u308c\u3066\u3044\u305f\u30b1\u30fc\u30b9\u306a\u3069\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u308c\u306b\u6c17\u3065\u304b\u306a\u3044\u5834\u5408\u3001\u5225\u306eUSB PD\u5145\u96fb\u5668\u306b\u5909\u3048\u305f\u6642\u306b20V\u51fa\u529b\u3055\u308c\u3066\u3057\u307e\u3063\u3066\u6a5f\u5668\u3092\u7834\u640d\u3055\u305b\u3066\u3057\u307e\u3063\u305f\u3001\u306a\u3069\u306e\u30b1\u30fc\u30b9\u3082\u60f3\u5b9a\u3055\u308c\u308b\u305f\u3081\u3001USB PD\u30c8\u30ea\u30acIC\u3092\u4f7f\u3046\u5834\u5408\u306f\u3001\u4f8b\u3048\u60f3\u5b9a\u901a\u308a\u306e\u96fb\u5727\u304c\u53d6\u308c\u3066\u3044\u305f\u3068\u3057\u3066\u3082USB PD 45W\u308460W\u306a\u3069\u306e20V\u306e\u51fa\u529b\u4ed5\u69d8\u3092\u6301\u3064USB PD\u30bd\u30fc\u30b9\u3067\u52d5\u4f5c\u78ba\u8a8d\u3092\u884c\u3046\u3053\u3068\u3092\u30aa\u30b9\u30b9\u30e1\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1200\" src=\"https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-33.jpg\" alt=\"\" class=\"wp-image-70826\" srcset=\"https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-33.jpg 1600w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-33-309x232.jpg 309w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-33-590x442.jpg 590w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-33-768x576.jpg 768w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-33-1536x1152.jpg 1536w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-33-427x320.jpg 427w, https:\/\/voltechno.com\/blog\/wp-content\/uploads\/2026\/05\/usbpd-ch221k-33-853x640.jpg 853w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><figcaption class=\"wp-element-caption\">USB PD\u5145\u96fb\u5668\u306a\u3069\u306eUSB PD\u30bd\u30fc\u30b9\u306b\u306f\u51fa\u529b\u4ed5\u69d8\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u3002PD\u30c8\u30ea\u30acIC\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306b\u306f\u3001\u5ff5\u306e\u305f\u308120V\u4ed5\u69d8\u306eUSB PD\u5145\u96fb\u5668\u3067\u3082\u52d5\u4f5c\u78ba\u8a8d\u3057\u3066\u304a\u3053\u3046\u3002<\/figcaption><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PD\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9 IC CH221K\u3092\u4f7f\u3063\u3066USB PD\u304b\u3089\u4efb\u610f\u306e\u96fb\u5727\u3092\u53d6\u308a\u51fa\u3059 \u4ee5\u524d\u3001USB Type-C\u30b3\u30cd\u30af\u30bf\u3092\u5099\u3048\u305fUSB PD\u5145\u96fb\u5668\u304b\u30895V\u3092\u53d6\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3057\u305f\u304c\u3001\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306fUSB PD \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9IC\u3068\u547c\u3070\u308c\u308b\u96fb\u5b50\u90e8\u54c1\u3092\u4f7f\u3063\u30665V\u4ee5\u5916\u306e\u96fb\u5727\u3092\u53d6\u308a\u51fa\u3059\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002 USB Type-C\u7aef\u5b50\u304b\u3089\u5358\u7d14\u306b5V\u3092\u53d6\u308b\u5834\u5408\u3067\u3042\u308c\u3070\u3001CC\u7aef\u5b50\u306b5.1k\u03a9\u306e\u30d7\u30eb\u30c0\u30a6\u30f3\u62b5\u6297\u3092\u63a5\u7d9a\u3059\u308bType-C Current\u3067OK\u3067\u3059\u304c\u3001U&#8230;<\/p>","protected":false},"author":1,"featured_media":70827,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[519],"tags":[],"class_list":{"0":"post-70812","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-circuitreverse"},"wps_subtitle":"","_links":{"self":[{"href":"https:\/\/voltechno.com\/blog\/wp-json\/wp\/v2\/posts\/70812","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/voltechno.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/voltechno.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/voltechno.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/voltechno.com\/blog\/wp-json\/wp\/v2\/comments?post=70812"}],"version-history":[{"count":4,"href":"https:\/\/voltechno.com\/blog\/wp-json\/wp\/v2\/posts\/70812\/revisions"}],"predecessor-version":[{"id":70830,"href":"https:\/\/voltechno.com\/blog\/wp-json\/wp\/v2\/posts\/70812\/revisions\/70830"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/voltechno.com\/blog\/wp-json\/wp\/v2\/media\/70827"}],"wp:attachment":[{"href":"https:\/\/voltechno.com\/blog\/wp-json\/wp\/v2\/media?parent=70812"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/voltechno.com\/blog\/wp-json\/wp\/v2\/categories?post=70812"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/voltechno.com\/blog\/wp-json\/wp\/v2\/tags?post=70812"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}