Part Number: BQ78350 Other Parts Discussed in Thread: BQ76200 , BQ76930
我们用BQ78350、BQ76930和BQ76200三款芯片做了一款7串锂电池保护板。但是发现该静态自耗电很大,在0.4mA左右。电池容量放光后,存放一个月左右进入了Shutdown(电压低于1.75V)模式,导致电池无法使用,需拆壳,激活保护板才能充电。
保护板外围电路为官方推荐电路,无异常耗电。
您好,请参考下面内容
There are limitations to random cell connection of this device. These are explained in Section 10 Random Cell Connection – Within Limits of the bq769x0 Family Top 10 Design Considerations application note. I would recommend to read this section…