USB电力传输(PD)
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USB标准,用于通过USB-C协商更高电压和电流,最高可达240W。
USB PD允许设备协商最佳电压(5V至48V)和电流,使单个USB-C充电器能够为手机、平板、笔记本电脑甚至显示器供电。PD 3.1引入了扩展功率范围(EPR),在48V/5A下达到240W。