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\u6211\u624b\u5934\u7684\u5927\u90e8\u5206A\u53e3\u7535\u6e90\u90fd\u80fd\u8f93\u51fa2A\uff0c10k\u7535\u963b\u80af\u5b9a\u662f\u8fc7\u5934\u4e86\u6709\u98ce\u9669\uff0c\u7406\u8bba\u4e0a22k\u6216\u8bb8\u4e5f\u80fd\u7528\uff1f\u7136\u800c\u60f3\u8981\u968f\u4fbf\u4e00\u6839A2C\u7ebf\uff0c\u642d\u914d\u4efb\u4f55A\u53e3\u5145\u7535\u5668\uff0c\u8fd8\u662f\u5f9756k\u7535\u963b\u7684\u7ebf\u6750\u3002USB\u89c4\u8303\u4e0a\u5199\u4e86\uff0c\u9700\u8981\u66f4\u9ad8\u7684\u7535\u6d41\u53ef\u4ee5\u901a\u8fc7\u5176\u4ed6\u534f\u8bae\u518d\u5546\u91cf\uff1a<\/p>\n\n\n\n \u201cThe value of Rp shall indicate an advertisement of Default USB Power (See Table 4-24), even though the cable itself can carry 3 A. This is because the cable has no knowledge of the capabilities of the power source, and any higher current is negotiated via USB BC 1.2<\/strong>.\u201d<\/p>\n\n\n\n \uff08\u6b63\u5e38\u7684A\u53e3\u7535\u6e90\u5e94\u8be5\u53ea\u67095V\u7684\u89c4\u683c\uff0c\u6240\u4ee5A2C\u7ebf\u4e5f\u4e0d\u9700\u8981\u6a21\u62df\u5176\u4ed6\u89c4\u683c\u7684\u7535\u6e90\u7535\u538b\u8f93\u51fa\uff0c\u4e0a\u62c9\u7535\u963b\u5c31\u591f\u4e86\u3002\u90a3\u79cd\u4ec0\u4e48\u7535\u963b\u90fd\u6ca1\u52a0\u7684\u76f4\u8fde\u7ebf\u6750\uff0c\u662f\u4e0d\u7b26\u5408\u89c4\u8303\u7684\u3002\u6211\u731c\u8bbe\u5907\u9047\u5230\u8fd9\u6837\u7684\u7ebf\u6750\uff0c\u5e94\u8be5\u53ea\u4f1a\u8bf7\u6c42\u6700\u4f4e\u7684\u529f\u7387\u3002\u90a3\u5b83\u662f\u5426\u7b49\u4ef7\u4e8e56k\u7535\u963b\u7684\u7ebf\u6750\u6211\u5c31\u4e0d\u6e05\u695a\u4e86\uff0c\u4e5f\u8bb8\u6709\u7684\u8bbe\u5907\u68c0\u6d4b\u5230cc\u6ca1\u6709\u4e0a\u62c9\u7535\u963b\uff0c\u538b\u6839\u5c31\u4e0d\u5de5\u4f5c\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u67d0\u4e9bA2C\u7ebf\u6709\u65f6\u5019\u65e0\u6cd5\u7ed9C\u53e3\u8bbe\u5907\u5145\u7535<\/strong>\uff1f\u6b64\u90e8\u5206\u7eaf\u778e\u731c\u7684\uff09<\/em><\/p>\n\n\n\n \u4f46\u65e0\u8bba\u5982\u4f55\uff0cA2C\u7684\u4f9b\u7535\u90e8\u5206\u53cc\u65b9\u90fd\u662f\u76f4\u8fde\u7684\u3002\u5177\u4f53\u4f1a\u8bf7\u6c42\u591a\u5c11\u7535\u529b\u5b8c\u5168\u770b\u8bbe\u5907\u4e86\u3002\u6bd4\u5982\u6709\u4e9b\u5e26C\u53e3\u4f9b\u7535\u7684\u53f0\u706f\uff0c\u6211\u731c\u91cc\u9762\u6ca1\u6709\u4ec0\u4e48\u534f\u8bae\u554a\u63e1\u624b\u4e4b\u7c7b\u7684\u82af\u7247\uff0c\u653e\u4ec0\u4e48\u7535\u963b\u90fd\u4e00\u6837\u3002\u5355\u7eaf\u5c31\u662f\u89815V\u7535\u538b\uff0c\u529f\u7387\u5168\u770b\u706f\u6ce1\u7684\u74e6\u6570\u4e86\u3002<\/p>\n\n\n\n \u6211\u5728\u6536\u96c6\u4fe1\u606f\u7684\u65f6\u5019\u770b\u5230\u6709\u4eba\u63d0\u5230\u4e86\u9519\u8bef\u7535\u963b\u89c4\u683c\u7684\u7ebf\u4f1a\u70e7\u8bbe\u5907<\/strong>\uff0c\u8bc1\u636e\u5c31\u662f\u8fd9\u4e2a\u8c37\u6b4c\u5de5\u7a0b\u5e08\u70e7\u6389\u7b14\u8bb0\u672c\u7684\u6545\u4e8b\uff0c\u8bf4\u5f97\u6709\u7709\u6709\u773c\u3002\u5b9e\u9645\u4e0a\u8fd9\u4e5f\u662f\u4e2amyth\uff0cGoogle\u5de5\u7a0b\u5e08\u70e7\u7b14\u8bb0\u672c\u786e\u6709\u5176\u4e8b\uff0c\u4f46\u548c\u4e0a\u62c9\u7535\u963b\u89c4\u683c\u65e0\u5173\u3002<\/p>\n\n\n\n \u8fd9\u4f4d\u5de5\u7a0b\u5e08\u56e0\u4e3a\u6b64\u4e8b\u51fa\u540d<\/a>\uff0c\u540e\u6765\u4e00\u76f4\u5728review\u5404\u79cdC\u53e3\u7684\u7ebf\u6750\u3002\u53ef\u60dc\u4ed6\u53d1\u7684\u4e1c\u897f\u90fd\u5728Google+\u4e0a\u9762\uff0c\u5df2\u7ecf\u968f\u7740Google+\u5173\u7ad9\u4e00\u8d77\u7070\u98de\u70df\u706d\u4e86\u3002\u5177\u4f53\u5230\u70e7\u7b14\u8bb0\u672c\u7684\u4e8b\u4ef6\uff0c\u53ef\u4ee5\u770b\u770b\u8fd9\u4e24\u4e2a\u8fde\u63a5\uff1aPCMag\u7684\u65b0\u95fb\u62a5\u9053<\/a>\uff0c\u4ee5\u53ca\u4ed6\u5f53\u65f6\u53d1\u7684\u8d34\u5b50<\/a>\u7684\u5feb\u7167\u3002<\/p>\n\n\n\n \u5f88\u591a\u62a5\u9053\u90fd\u6ca1\u63d0\u5230\u7ec6\u8282\uff0c\u8fd9\u662f\u4e00\u6839USB A2C\u7684\u7ebf\uff0c\u53ea\u6709PCMag\u7684\u7f16\u8f91\u8be6\u7ec6\u5f15\u7528\u4e86\u8fd9\u6bb5\u8bdd\uff0c\u8868\u660e\u8fd9\u7ebf\u6839\u672c\u5c31\u662f\u642d\u9519\u4e86\u5f15\u811a\uff0cA\u53e3\u7684\u5730\u7ebf\u63a5\u5230\u4e86C\u53e3\u7684\u7535\u6e90\uff0c\u800cA\u53e3\u7684\u7535\u6e90\u63a5\u5230\u4e86C\u53e3\u7684\u5730\u7ebf\uff0c\u5b8c\u5168\u53cd\u4e86\u8fc7\u6765\u3002\u4f30\u8ba1\u662f\u7535\u6e90\u53cd\u63a5\u5bfc\u81f4\u8bbe\u5907\u67d0\u4e9b\u5668\u4ef6\u88ab\u51fb\u7a7f\uff0c\u548c\u4e0a\u62c9\u7535\u963b\u6ca1\u6709\u4efb\u4f55\u5173\u7cfb\u3002<\/p>\n\n\n\n “I directly analyzed the Surjtech cable using a Type-C breakout board and a multimeter, and it appears that they completely miswired the cable. The GND pin on the Type-A plug is tied to the Vbus pins on the Type-C plug. The Vbus pin on the Type-A plug is tied to GND on the Type-C plug,” Leung described.<\/p>\n\n\n\n \u53cd\u63a55v\u4f1a\u5bfc\u81f4\u7684\u540e\u679cChatGPT\u6709\u4e0d\u9519\u7684\u63cf\u8ff0<\/p>\n\n\n\n USB\u7535\u6e90\u7ebf\u76845V\u7535\u6e90\u5982\u679c\u53cd\u63a5\uff0c\u5373\u6b63\u8d1f\u6781\u98a0\u5012\u8fde\u63a5\u5230\u8bbe\u5907\u4e0a\uff0c\u7406\u8bba\u4e0a\u786e\u5b9e\u6709\u53ef\u80fd\u5bfc\u81f4\u8bbe\u5907\u635f\u574f\u3002USB\u63a5\u53e3\u8bbe\u8ba1\u6709\u6807\u51c6\u7684\u9488\u811a\u5e03\u5c40\uff0c\u5176\u4e2d\u5305\u62ec\u4e3a\u8bbe\u5907\u63d0\u4f9b\u7535\u6e90\u7684Vbus\uff08\u6b63\u7535\u538b\uff09\u548cGND\uff08\u5730\u7ebf\uff09\u9488\u811a\u3002\u5982\u679c\u8fd9\u4e9b\u7535\u6e90\u7ebf\u88ab\u9519\u8bef\u5730\u63a5\u53cd\uff0c\u5c31\u53ef\u80fd\u5728\u8bbe\u5907\u5185\u90e8\u4ea7\u751f\u4e0d\u6b63\u786e\u7684\u7535\u6d41\u6d41\u5411\uff0c\u5bfc\u81f4\u4ee5\u4e0b\u51e0\u79cd\u60c5\u51b5\uff1a<\/p> \u5373\u523b\u635f\u574f\uff1a\u7535\u6e90\u53cd\u63a5\u53ef\u80fd\u4f1a\u7acb\u5373\u635f\u574f\u8bbe\u5907\u5185\u90e8\u7684\u7535\u5b50\u7ec4\u4ef6\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u7ec4\u4ef6\u8bbe\u8ba1\u65f6\u9884\u671f\u7535\u6d41\u5c06\u4ee5\u7279\u5b9a\u65b9\u5411\u6d41\u52a8\u3002\u53cd\u5411\u7535\u6d41\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7535\u5b50\u5143\u4ef6\u8fc7\u70ed\u3001\u77ed\u8def\u6216\u6c38\u4e45\u635f\u574f\u3002<\/p> \u4fdd\u62a4\u7535\u8def\u89e6\u53d1\uff1a\u4e00\u4e9b\u8bbe\u8ba1\u826f\u597d\u7684\u8bbe\u5907\u548c\u7cfb\u7edf\u53ef\u80fd\u5305\u542b\u4fdd\u62a4\u7535\u8def\uff0c\u5982\u53cd\u5411\u6781\u6027\u4fdd\u62a4\u3001\u8fc7\u6d41\u4fdd\u62a4\u548c\u77ed\u8def\u4fdd\u62a4\u7b49\uff0c\u7528\u4e8e\u9632\u6b62\u56e0\u9519\u8bef\u8fde\u63a5\u800c\u5f15\u8d77\u7684\u635f\u574f\u3002\u5982\u679c\u5b58\u5728\u8fd9\u6837\u7684\u4fdd\u62a4\u673a\u5236\uff0c\u8bbe\u5907\u53ef\u80fd\u4f1a\u5728\u7535\u6e90\u53cd\u63a5\u65f6\u5173\u95ed\u6216\u65ad\u5f00\u7535\u6e90\uff0c\u4ece\u800c\u907f\u514d\u635f\u574f\u3002<\/p> \u65e0\u53cd\u5e94\uff1a\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u8bbe\u5907\u5177\u6709\u975e\u5e38\u5f3a\u5927\u7684\u4fdd\u62a4\u7535\u8def\uff0c\u53ef\u80fd\u4f1a\u5728\u6ca1\u6709\u4efb\u4f55\u635f\u574f\u7684\u60c5\u51b5\u4e0b\u7b80\u5355\u5730\u4e0d\u54cd\u5e94\u53cd\u63a5\u7684\u7535\u6e90\u3002<\/p> \u7edd\u5927\u591a\u6570\u73b0\u4ee3\u7535\u5b50\u8bbe\u5907\u90fd\u8bbe\u8ba1\u6709\u4e00\u5b9a\u7a0b\u5ea6\u7684\u4fdd\u62a4\u63aa\u65bd\u6765\u9632\u6b62\u56e0\u7535\u6e90\u53cd\u63a5\u800c\u5bfc\u81f4\u7684\u635f\u574f\uff0c\u4f46\u8fd9\u5e76\u4e0d\u610f\u5473\u7740\u6240\u6709\u8bbe\u5907\u90fd\u80fd\u5728\u7535\u6e90\u53cd\u63a5\u7684\u60c5\u51b5\u4e0b\u5b89\u7136\u65e0\u6059\u3002\u4f9d\u8d56\u8bbe\u5907\u5185\u90e8\u7684\u4fdd\u62a4\u63aa\u65bd\u5e76\u975e\u4e00\u4e2a\u597d\u7684\u505a\u6cd5\uff0c\u56e0\u4e3a\u4e0d\u662f\u6240\u6709\u8bbe\u5907\u90fd\u80fd\u591f\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4fdd\u62a4\u81ea\u5df1\u3002<\/p> \u6700\u4f73\u505a\u6cd5\u662f\u59cb\u7ec8\u786e\u4fdd\u6b63\u786e\u8fde\u63a5USB\u7535\u6e90\u548c\u8bbe\u5907\uff0c\u9075\u5faa\u8bbe\u5907\u5236\u9020\u5546\u7684\u6307\u5357\u548c\u63a8\u8350\uff0c\u4ee5\u907f\u514d\u56e0\u9519\u8bef\u8fde\u63a5\u800c\u5bfc\u81f4\u7684\u635f\u574f\u3002\u5982\u679c\u4e0d\u786e\u5b9a\uff0c\u6700\u597d\u662f\u68c0\u67e5\u8bbe\u5907\u6587\u6863\u6216\u54a8\u8be2\u5236\u9020\u5546\uff0c\u4ee5\u786e\u8ba4\u8bbe\u5907\u662f\u5426\u5177\u6709\u9632\u6b62\u53cd\u63a5\u5bfc\u81f4\u635f\u574f\u7684\u4fdd\u62a4\u529f\u80fd\u3002<\/p><\/blockquote>\n\n\n\n \u7136\u800c\u4e0d\u5408\u89c4\u683c\u7684\u4e0a\u62c9\u7535\u963b\u786e\u5b9e\u5f88\u4e0d\u5b89\u5168\uff0c\u6839\u636e\u5145\u7535\u5934\u7f51\u7684\u8fd9\u7bc7\u6587\u7ae0<\/a>\uff0c<\/p>\n\n\n\n \u201c\u7531\u4e8e\u8f6c\u63a5\u7ebf\u548c\u5145\u7535\u5934\u53ef\u80fd\u4e0d\u662f\u914d\u5957\u7684\u3002\u5982\u679c\u5145\u7535\u5934\u7aef\u7684USB Type-A Receptacle\u53ea\u80fd\u63d0\u4f9b5V@900mA\uff0c\u90a3\u4e48\u5373\u4f7f\u8f6c\u63a5\u7ebfType-C Plug\u7aefRp\u58f0\u660e\u4e3a 5V@3A\uff0c\u4e5f\u6ca1\u6cd5\u7ed9\u624b\u673a\u6700\u5927\u63d0\u4f9b5V@3A\u7684\u5145\u7535\u529f\u7387\uff0c\u8fd8\u6709\u53ef\u80fd\u635f\u574f\u5145\u7535\u5934\u3002\u201d<\/p>\n\n\n\n \u6839\u636e\u8fd9\u4e2a\u65e5\u672c\u8bc4\u6d4b\u7f51\u7ad9\u7684\u8bf4\u6cd5<\/a>\uff0c\u4e5f\u786e\u5b9e\u6709\u90e8\u5206A2C\u7ebf\u6750\u4f1a\u771f\u7684\u8fde\u63a510k\u621622k\u7684\u7535\u963b\uff0c\u53ea\u80fd\u5e0c\u671b\u7535\u6e90\u548c\u8bbe\u5907\u90fd\u7ed9\u70b9\u529b\uff0c\u4fdd\u62a4\u597d\u81ea\u5df1\u4e86\u3002<\/p>\n\n\n\n https:\/\/www.chromium.org\/chromium-os\/cable-and-adapter-tips-and-tricks\/<\/a><\/p>\n\n\n\n \u4eceC\u53e3\u8bde\u751f\u5f00\u59cb\u5c31\u6709\u975e\u5e38\u591a\u7684\u9519\u8bef\u4fe1\u606f\u548cmyth\u6d41\u4f20\u5728\u4e92\u8054\u7f51\u4e0a\u3002\u751a\u81f3Chromium\u90fd\u6709\u4e00\u4e2a\u4e13\u95e8\u7684\u9875\u9762\u6765\u6f84\u6e05\uff0c\u4f46\u662f\u683c\u5f0f\u9519\u4e71\u4e86\u3002\u6211\u628a\u5b83\u7ffb\u6210\u4e2d\u6587\u7559\u5728\u8fd9\u91cc\u3002\u540d\u8bcd\u5b9a\u4e49\uff1a<\/p>\n\n\n\n Resistor Rp\uff1a\uff08\u4e0a\u62c9\u7535\u963bRp\uff0c\u63a5\u5728VBus\u548cCC\u5f15\u811a\u4e4b\u95f4\uff0c\u5c31\u662f\u63a5\u7740\u7535\u6e90\u7684\u7535\u963b\uff09<\/p>\n\n\n\n Resistor Rd\uff1a\uff08\u4e0b\u62c9\u7535\u963bRd\uff0c\u63a5\u5728GND\u548cCC\u5f15\u811a\u4e4b\u95f4\uff0c\u5c31\u662f\u63a5\u7740\u5730\u7684\u7535\u963b\uff09<\/p>\n\n\n\n ID \u5f15\u811a \uff1a\uff08\u53ea\u6709micro-B\u53e3\u91cc\u9762\u6709\uff0c\u7528\u4e8eOTG\u8fde\u63a5\uff09<\/p>\n\n\n\n Plug\uff1a\u516c\u5934\uff0c\u5c31\u662f\u51f8\u51fa\u6765\u7684\u90a3\u79cd\uff0c\u5f88\u591a\u5730\u65b9\u4e5f\u79f0\u4e3amale\uff0c\u63d2\u5934\u3002<\/p>\n\n\n\n Receptacle\uff1a\u6bcd\u5ea7\uff0c\u5c31\u662f\u51f9\u8fdb\u53bb\u7684\u63d2\u69fd\uff0c\u5f88\u591a\u5730\u65b9\u4e5f\u53ebfemale\uff0c\u6bcd\u5934\u3002<\/p>\n\n\n\n Open\uff1a\u5c31\u662f\u5f00\u8def\uff0c\u8868\u793a\u8fd9\u4e2a\u5f15\u811a\u60ac\u7a7a\u4ec0\u4e48\u4e5f\u6ca1\u8fde\u63a5\u3002<\/p>\n\n\n\n \u4ee5\u4e0b\u8868\u683c\u63cf\u8ff0\u7684\u90fd\u662f\u4e00\u8fb9C\u53e3\u4e00\u5934\u5176\u4ed6\u53e3\u7684Legacy Cable and Connector\uff0c\u5176C\u53e3\u5185\u90e8\u7684\u7535\u963b\u60c5\u51b5\u3002<\/p>\n\n\n\n \u867d\u7136\u4e0d\u5408\u89c4\uff0c\u5b9e\u9645\u4e0aC\u6bcd\u5ea7\u8f6cA\u6216\u8005B\u516c\u5934\u4e5f\u53ef\u4ee5\u4e70\u5230\u3002\u4f7f\u7528\u4e0a\u8981\u6ce8\u610f\u98ce\u9669\uff0c\u56e0\u4e3a\u63a5\u5165A\/B\u6bcd\u5ea7\u8f6c\u51fa\u6765\u7684C\u6bcd\u5ea7\u5e76\u4e0d\u662f\u771f\u7684C\u6bcd\u5ea7\uff08\u60f3\u4e5f\u4e0d\u53ef\u80fd\u554a\uff0cpin\u6570\u91cf\u90fd\u5dee\u597d\u591a\uff09\u3002\u6211\u4e70\u6765\u53ea\u7528\u4e8e\u8f6c\u63a55v\u5145\u7535\u7684A2C\uff0c\u6216\u8005USB 3.x\u76845Gbps\u6570\u636e\u4f20\u8f93\u7684C2C\u3002\u76f8\u5f53\u4e8e\u628aA2C\u7ebf\u53d8\u6210\u4e86\u7684A2B\u7ebf\uff0c\u6216\u8005\u628aC2C\u7ebf\u53d8\u6210\u4e86A2C\u7ebf\uff0c\u7b97\u662f\u7ebf\u6750\u964d\u7ea7\uff1f<\/p>\n\n\n\n Type-C\u4e4b\u524d\u7684\u65f6\u4ee3\uff0cUSB\u7ebf\u53ea\u8981\u63a5\u4e0a\u603b\u662f\u53ef\u4ee5\u7528\u7684\uff0c\u7ebf\u6750\u4e0a\u6ca1\u6709\u82b1\u6d3b\u513f\u53ea\u6709\u7535\u7f06\uff0c\u590d\u6742\u7684\u4e1c\u897f\u90fd\u5728\u8bbe\u5907\u4e0a\u3002\u8fd9\u4e2a\u65f6\u4ee3\u5df2\u7ecf\u8fc7\u53bb\u4e86\uff0c\u4f7f\u7528\u5e26Type-C\u53e3\u7684\u7ebf\uff0c\u6216\u8005\u63a5\u5165C\u53e3\u7684\u6bcd\u5ea7\u90fd\u5f97\u6ce8\u610f\u3002<\/p>\n\n\n\n \u5f97\u7a7a\u518d\u5199C2C\u7ebf\u7684\u5404\u79cd\u60c5\u51b5\u3002<\/p>\n\n\n\n TBC\u2026\u2026<\/p>\n","protected":false},"excerpt":{"rendered":" \u6700\u8fd1\u53d1\u73b0\u624b\u5934\u7684\u5145\u7535\u7ebf\u90fd\u78e8\u79c3\u565c\u76ae\u4e86\uff0c\u6253\u7b97\u66f4\u65b0\u4e00\u6ce2\u3002\u6b63\u597d\u53bb\u5e74PD 3.1\u8fd9\u4e2a\u65b0\u89c4\u8303\u7684\u53d1\u5e03\uff0c\u65e9\u5c31\u88abamazon\u63a8\u8350\u4e86\u5f88\u591a\u5145\u7535\u5934\uff0c\u5c31\u7814\u7a76\u4e86\u4e00\u756a\u3002\u53ef\u80fd\u662f\u56e0\u4e3a5\u5e74\u6ca1\u6709\u66f4\u65b0\u624b\u673a\u4e86\uff0c\u4e00\u76f4\u6ca1\u6709\u5173\u6ce8\u8fd9\u4e2a\u9886\u57df\u3002\u6ca1\u60f3\u5230USB Type-C\u63a5\u53e3\u8fd9\u51e0\u5e74\u8fdb\u5316\u51fa\u8bb8\u591a\u82b1\u5934\uff0c\u4e0d\u4e86\u89e3\u7684\u8bdd\u5f88\u5bb9\u6613\u82b1\u51a4\u6789\u94b1\u4e70\u5230\u4e0d\u80fd\u7528\u7684\u7ebf\u6750\uff0c\u751a\u81f3\u6709\u53ef\u80fd\u635f\u574f\u8bbe\u5907\u3002 \u5e9f\u8bdd\u4e0d\u591a\u8bf4\uff0c\u8bb0\u5f55\u4e00\u4e0b\u6211\u4e86\u89e3\u5230\u7684\u5173\u4e8e\u7ebf\u6750\u7684\u4e00\u4e9b\u77e5\u8bc6\u3002\u4e0d\u8bf4\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u53ea\u8bf4\u5145\u7535\u65f6\u5019\u7ebf\u6750\u548c\u63a5\u53e3\u4e0a\u7684\u7535\u963b\u76f8\u5173\u7684\u4e8b\u60c5\u3002 TL;DR A2C\u7ebf\u6ca1\u6709\u82af\u7247\uff0c\u5927\u81f4\u5206\u5e26\u7535\u963b\u548c\u4e0d\u5e262\u7c7b\u3002\u5e26\u7535\u963b\u67093\u79cd\uff0c10k\u548c22k\u53ef\u80fd\u6709\u70e7\u7535\u6e90\u98ce\u9669\uff0c\u4e0d\u5408\u89c4\u3002\u53ea\u6709\u5e2656k\u6b27\u4e0a\u62c9\u7535\u963b\u7684\u7ebf\u6750\u662f\u6b63\u54c1\uff0c\u9632\u6b62C\u53e3\u8bbe\u5907\u70e7\u574f\u8001\u7535\u6e90\u3002 C2C\u7ebf\u79cd\u7c7b\u975e\u5e38\u590d\u6742\uff1a\u6ca1\u6709\u82af\u7247\u7684\u7ebf\u6750\u652f\u63013A\u7535\u6d41\uff0c\u517c\u5bb9\u6027\u597d\u3002\u5e26e-marker\u82af\u7247\u7684\u7ebf\u6750\uff0c\u652f\u63015A\u7535\u6d41\uff0c\u4f46\u5b83\u81ea\u5e26\u4e0b\u62c9\u7535\u963b\uff0c\u548c\u4e0d\u89c4\u8303\u7684C\u53e3\u8bbe\u5907\u4e0d\u517c\u5bb9\uff08\u521d\u4ee3\u6811\u8393\u6d3e4\uff09\u3002 \u5728\u6807\u51c6\u91ccC\u53e3\u7ebf\u6750\uff08\u5305\u62ecA2C\uff09\u81f3\u5c11\u652f\u63013A\u7535\u6d41\u3002\u6240\u4ee5\u6807\u79f060w\u6216\u80053A\u7ebf\u7684C\u53e3\u7ebf\u6750\u662f\u6700\u666e\u901a\u7684\uff0c\u5e94\u8be5\u5f88\u4fbf\u5b9c\u5373\u53ef\u4e70\u5230\uff0c\u5feb\u901f\u5145\u7535\u5e76\u4e0d\u9700\u8981\u6602\u8d35\u7684\u7ebf\u6750\u3002 \u53ea\u6709\u7528\u5408\u89c4\u7684C2C\u7ebf\u8fde\u63a5\u7684\u8bbe\u5907\u548c\u7535\u6e90\uff0c\u624d\u53ef\u4ee5\u6839\u636ePD\u5145\u7535\u534f\u8bae\u534f\u5546\uff0c\u6700\u591a\u8f93\u51fa240w\u7684\u529f\u7387\u3002\u5982\u679c\u4e2d\u95f4\u7ecf\u8fc7A\u53e3B\u53e3\u751a\u81f3pin\u4e0d\u5168\u7684C\u53e3\u8f6c\u63a5\u5934\uff0c\u90fd\u4f1a\u5bfc\u81f4\u65e0\u6cd5\u534f\u5546\u3002\u76ee\u524d60w\u4ee5\u4e0a\u7684\u5145\u7535\u9700\u6c42\u6bd4\u8f83\u7f55\u89c1\uff0c140w\u662f\u5bb6\u7528\u7535\u5b50\u4ea7\u54c1\u6700\u9ad8\u7684\u529f\u7387\u8981\u6c42\uff08\u82f9\u679c\u7b14\u8bb0\u672c\uff09\u3002 \u9996\u5148\u662f\u63a5\u53e3\u7c7b\u578b \u6700\u5e38\u89c1\u7684USB Type-A\u53e3\u5c31\u662f\u90a3\u4e2a\u65b9\u53e3\u3002\u5176\u4e2d2.0\u662f4\u4e2apin\uff0c3.x\u662f9\u4e2apin\u3002\u4f46\u662f\u5145\u7535\u4e5f\u7528\u4e0d\u5230\u90a3\u4e48\u591a\uff0c\u6240\u4ee5\u5728\u5145\u7535\u7684\u573a\u666f\u4e2d\uff0c\u53ef\u4ee5\u8ba4\u4e3a2.0\u548c3.x\u7684A\u53e3\u662f\u7b49\u4ef7\u7684\uff0c\u90fd\u53ea\u67092\u4e2apin\u751f\u6548\uff0c\u4e5f\u5c31\u662f\u7535\u6e90\u6b63\u8d1f\u6781\u3002 \u63a5\u4e0b\u6765\u662fUSB Type-C\u63a5\u53e3\uff0c\u8fd9\u4e2a\u5c31\u590d\u6742\u4e86\uff0c\u5b83\u670924\u4e2apin\u3002\u7531\u4e8ec\u53e3\u6b63\u53cd\u4e24\u9762\u90fd\u53ef\u4ee5\u63a5\uff0c\u5728\u5145\u7535\u7684\u573a\u666f\u4e2d\u53ea\u6709\u4e00\u534a\u7684pin\u5728\u8d77\u4f5c\u7528\u3002\u7279\u4f8b\u662f\u4e24\u9762\u5404\u6709\u4e00\u6839\u7684CC\u5f15\u811a\uff0c\u5145\u7535\u65f6\u5019\u8fd9\u4e24\u6839\u4f1a\u540c\u65f6\u4f7f\u7528\u7528\u6765\u67e5\u8be2\u65b9\u5411\u548c\u7535\u538b\u7b49\u3002 \u5176\u4ed6USB\u7c7b\u578b\u7684\u53e3\u5c31\u4e0d\u8bf4\u4e86\uff0c\u5e02\u9762\u4e0a\u5e26C\u53e3\u7684\u7ebf\u57fa\u672c\u5c31\u8fd9\u4e24\u79cd\uff1a\u4e24\u5934\u90fdType-C\u7684C2C\u7ebf\uff0c\u6216\u8005\u4e00\u5934A\u4e00\u5934C\u7b80\u79f0A2C\u7684\u7ebf\u3002 \u5148\u8bf4\u8bf4A2C\u7684\u7ebf \u6b63\u5982\u540d\u5b57\u6240\u5199\uff0c\u5b83\u662f\u6709\u65b9\u5411\u7684\u7ebf\u3002\u5fc5\u987b\u4eceA\u5230C\uff0c\u7528\u6765\u628aC\u53e3\u51fa\u73b0\u4e4b\u524d\u7684USB A\u53e3\u7535\u6e90\uff08\u5305\u62ec\u5145\u7535\u5668\uff0c\u7535\u6c60\uff0c\u6216\u8005\u7535\u8111\u7b49\uff09\uff0c\u63a5\u5230\u5e26\u6709C\u53e3\u7684\u8bbe\u5907\uff08\u4f8b\u5982\u624b\u673a\uff0c\u6811\u8393\u6d3e\uff09\u4e0a\u3002\u5728\u524d\u4e9b\u5e74C\u53e3\u521a\u51fa\u73b0\u7684\u8fc7\u6e21\u65f6\u4ee3\uff0c\u5f88\u591a\u5145\u7535\u5668\u90fd\u4f1a\u9001\u8fd9\u79cd\u7ebf\u3002\u4e5f\u6709\u8bb8\u591a\u4f7f\u7528C\u53e3\u5145\u7535\u7684\u5c0f\u5bb6\u7535\u4f1a\u9001\u8fd9\u79cd\u7ebf\uff0c\u6700\u8457\u540d\u7684\u5e94\u8be5\u5c31\u662f\u4efb\u5929\u5802Switch\u6e38\u620f\u673a\u4e86\u3002 A2C\u7684\u7ebf\u5185\u90e8\u7ed3\u6784\u5f88\u7b80\u5355\uff0c\u5c31\u662fA\u53e3\u5230C\u53e3\u7684\u6620\u5c04\u3002\u7531\u4e8eC\u53e3\u670924pin\uff0c\u5145\u7535\u53ea\u9700\u8981\u6b63\u8d1f\u6781\uff0c\u6620\u5c042\u6839\u7535\u6e90\u7ebf\u7ef0\u7ef0\u6709\u4f59\u3002\u6240\u4ee5\u6700\u76f4\u767d\u7684\u7ebf\u6750\u5c31\u662f\u4e24\u6839\u94dc\u4e1d\u76f4\u63a5\u8fde\u8fc7\u6765\u3002 \u4f46\u662f\u6839\u636eUSB 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56k\u7535\u963b\u7684A2C\u7ebf\u6750\u867d\u7136\u5b89\u5168\uff0c\u4f46\u662f\u5145\u7535\u901f\u5ea6\u5c31\u6162\u4e86\u3002\u5f3a\u8c03\u4e0b\u4e0d\u662f\u56e0\u4e3a\u7535\u963b\u5927\u54e6\uff0c\u8981\u662f\u4f9b\u7535\u7ebf\u8def\u91cc\u52a0\u4e86\u8fd9\u4e48\u592756k\u7684\u7535\u963b\uff0c\u7535\u7ebf\u8fd8\u80fd\u901a\u7535\u5417\uff1f\u8fd9\u4e2a\u7535\u963b\u662f\u5728\u7ebf\u6750C\u53e3\u90a3\u7aef\uff0c\u628a\u81ea\u5df1\u7684CC\u5f15\u811a\u548cVBus\u5f15\u811a\u8fde\u63a5\u4e86\u7535\u963b\uff0c\u5e76\u6ca1\u6709\u653e\u5728\u4f9b\u7535\u5f15\u811a\u4e0a\uff0c\u6240\u4ee5\u4e0d\u4f1a\u53c2\u52a0\u4f9b\u7535\u7684\u8fc7\u7a0b\uff0c\u53ea\u662f\u7528\u6765\u6a21\u62df\u63e1\u624b\u534f\u8bae\u3002 \u6211\u624b\u5934\u7684\u5927\u90e8\u5206A\u53e3\u7535\u6e90\u90fd\u80fd\u8f93\u51fa2A\uff0c10k\u7535\u963b\u80af\u5b9a\u662f\u8fc7\u5934\u4e86\u6709\u98ce\u9669\uff0c\u7406\u8bba\u4e0a22k\u6216\u8bb8\u4e5f\u80fd\u7528\uff1f\u7136\u800c\u60f3\u8981\u968f\u4fbf\u4e00\u6839A2C\u7ebf\uff0c\u642d\u914d\u4efb\u4f55A\u53e3\u5145\u7535\u5668\uff0c\u8fd8\u662f\u5f9756k\u7535\u963b\u7684\u7ebf\u6750\u3002USB\u89c4\u8303\u4e0a\u5199\u4e86\uff0c\u9700\u8981\u66f4\u9ad8\u7684\u7535\u6d41\u53ef\u4ee5\u901a\u8fc7\u5176\u4ed6\u534f\u8bae\u518d\u5546\u91cf\uff1a \u201cThe value of Rp shall indicate an advertisement of Default USB Power (See Table 4-24), even though the cable itself … Continue reading “Typc-C\u5145\u7535\u7ebf\u4e2d\u7684\u7535\u963b”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[14,15,13,42],"_links":{"self":[{"href":"https:\/\/blog.mega-zone.org\/index.php?rest_route=\/wp\/v2\/posts\/669"}],"collection":[{"href":"https:\/\/blog.mega-zone.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.mega-zone.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.mega-zone.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.mega-zone.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=669"}],"version-history":[{"count":31,"href":"https:\/\/blog.mega-zone.org\/index.php?rest_route=\/wp\/v2\/posts\/669\/revisions"}],"predecessor-version":[{"id":711,"href":"https:\/\/blog.mega-zone.org\/index.php?rest_route=\/wp\/v2\/posts\/669\/revisions\/711"}],"wp:attachment":[{"href":"https:\/\/blog.mega-zone.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=669"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.mega-zone.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=669"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.mega-zone.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\u5148\u8bf4\u8bf4A2C\u7684\u7ebf<\/h2>\n\n\n\n
2\u3001\u8fd9\u4e9b\u82af\u7247\u5728\u54ea\u91cc\uff1f<\/strong><\/p>\n\n\n\n\u600e\u6837\u624d\u662f\u5b89\u5168\u7684<\/h2>\n\n\n\n
Google\u5de5\u7a0b\u5e08\u70e7\u4e86\u7b14\u8bb0\u672c\uff1f<\/h2>\n\n\n\n
\u603b\u7ed3\u4e00\u4e0b<\/h2>\n\n\n\n
\u7ebf\u6750\u7c7b\u578b<\/td> C\u53e3\u7535\u963b<\/td> ID\u5f15\u811a<\/td> USB-C\u89c4\u8303<\/td><\/tr> C\u516c\u5934 <-> USB 3.x A\u516c\u5934\uff089pin\uff09<\/td> 56 k\u03a9 Rp<\/td> N\/A<\/td> Section 3.5.1<\/td><\/tr> C\u516c\u5934 <-> USB 2.0 A\u516c\u5934\uff084pin\uff09<\/td> 56 k\u03a9 Rp <\/td> N\/A<\/td> Section 3.5.2<\/td><\/tr> C\u516c\u5934 <-> USB 3.x A \u6bcd\u5ea7\uff089pin\uff09<\/td> 5.1k \u03a9 Rd<\/td> N\/A<\/td> Section 3.6.1<\/td><\/tr> C\u6bcd\u5ea7 <-> \u5404\u79cdA\/B\u516c\u5934<\/strong><\/td> \u89c4\u683c\u4e0d\u5141\u8bb8<\/strong><\/td> <\/td> Section 2.2 <\/td><\/tr> C\u516c\u5934 <-> micro-B \u516c\u5934 <\/td> 5.1k \u03a9 Rd<\/td> Open<\/td> Section 3.5.7<\/td><\/tr> C\u516c\u5934 <-> micro-B \u6bcd\u5ea7<\/td> 56 k\u03a9 Rp<\/td> Open<\/td> Section 3.6.2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n