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BQ25606: BQ25606 充电异常

Part Number: BQ25606

1、BQ25606充电过程中拔掉适配器,在usb接口上有4.6V左右的电压,PG指示灯亮,OTG引脚是接地状态

2、设置电池充满4.2V;在电池是4.10V时,插入适配器,充电指示灯灭

3、REGN引脚只比usb接口的电压低0.02V

4、当没有电池的情况下,插入适配器,SYS上的电压只有3.2V

电路图如下: