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TPS25751: TPS25751:我想用这个芯片TPS25751D做一个PD3.0的快充方案,给4s电池充电,纯受电,请问PP5V需要用外部电源供电吗

Part Number: TPS25751

我想用这个芯片TPS25751D做一个PD3.0的快充方案,给4s电池充电,纯受电,请问PP5V需要用外部电源供电吗,顺便帮忙看看原理图有什么错误吗image.png