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        <dc:date>2025-04-13T09:26:52+00:00</dc:date>
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        <title>标准:usb:bc:start</title>
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        <description>Battery Charging

Battery Charging Specification 为USB-IF基于USB2.0制定的充电规范。相关文档均可以从USB-IF官网免费下载。最新版本为2012年V1.2，后续未再更新。

常用标准

Battery Charging Specification, Revision 1.2

USB Battery Charging 1.2 Compliance Plan（一致性测试标准）

常用术语

SDP（Standard Downstream Port）标准下行端口，比如电脑的USB口，USB2.0充电能力是0.5A,USB3.0则是0.9A。</description>
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