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BQ24160 充电问题

Other Parts Discussed in Thread: BQ24160

Dear sir,

我们使用BQ24160作为电池管理IC,我们采用两种输入DC和USB.

目前发现的现像,1.当先插入USB,后插入DC时,充电正常, USB枚举也正常。

                                2.当先插入DC,再插入USB时,充电正常,但PC无法枚举去USB设备。

请问1.会不会该现象和BQ24160设置有关

        2.是不是因为当先插入DC,再插入USB时,BQ24160对D+,D-连接是哪个充电设备(USB battery charge 1.2)和PC 对USB 的枚举,两者同时进行,影响了PC对USB的识别?

 

谢谢!