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BQ76930均衡时出现采集电压忽高忽低问题

Other Parts Discussed in Thread: BQ76930

大家好,请教个问题:当电池包充电时,电压大于4000mv时,BQ76930开启均衡,偶尔会出现某一相邻串电压一高一低的现象,高的超过4300mv,低的小于3500mv,采样周期为300ms;都是当我不开启均衡时,问题就不会出现。有朋友遇到过这个问题吗?用的外部均衡,BQ76930的均衡开启是芯片自己控制的,我只需要往均衡寄存器写入值就可以了,会是什么原因呢?