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BQ76930: 采集异常,两个BQ76930组成20S配置 出现大量B5低B6高现象,请问可能原因和解决办法

Part Number: BQ76930

投放300组统计数量  ,基本上能自动恢复

统计
B5低B6高 7
B10高B11低 3
B15低B16高 5
B7低B8高 1
B1~B5 34mV 1
B4低B5高 1
B11~B15 异常1

是否有可能采集线接触不良导致?

下面是原理图和采集异常的截图。其中压差出现1min后消失的为开启了主动均衡(串电压上串接了主动均衡电路板,每个通道有20uf左右大小电容)