可编程电源（PPS）
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USB PD功能，允许以20mV步进进行细粒度电压调整，以获得最佳充电效率。
PPS使充电器能够动态调整电压以匹配电池的确切需求，减少发热并提高充电速度。三星和谷歌手机使用PPS进行自适应快速充电，绕过手机内部电压调节器。