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BQ25895功耗问题

Other Parts Discussed in Thread: BQ25895

系统关机时,把OTG管脚置0,并且开启ship mode。这时BQ25895功耗很低,电池输出电流只有20uA左右。

但一旦插入充电,再拔出充电线,在系统没开机的情况下,PMID会输出和电池电压差不多的电压,这时OTG管脚依旧是低电平,电池输出电流直接升到25~30mA。这是为什么?