使用BQ76920采样4串电池电压,当电池组空载时各串电池电压采样值正确,当电池组输出电流逐渐增大时,第一串电池(VC0-VC1)电压采样值逐渐下降,输出电流越大第一串电池电压采样值越小,但是用示波器测试第一串电池电压发现并没有下降。
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