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BQ25606充电时间长

Other Parts Discussed in Thread: BQ25606

目前使用BQ25606设计的充电系统,充电7小时仍显示在充电,具体情况如下:

1.电池电量为8000mAh,满电电压在4.2V,从电池电压为3.1V开始充;

2.充电电路设置恒流充电1.5A 和2A均不能在6小时内充满;

3.充电过程开始,如规格书描述,恒流充电,此时电池电压上升较快,在3个小时内电池电压上升到4.18V左右,然后剩下的3-4个小时充电电流就会维持在几百毫安一点点的下降,该过程中电池电压会有些许上升,整体充电时间被该过程拉长;