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SRP-SRN及Rsense的电路设计问题

Other Parts Discussed in Thread: BQ76930

使用BQ76930的AFE
SRP-SRN及Rsense的电路设计如附图
请问一下这样的设计会不会有问题,
例如充放电时量测到的电流会有误差
用测试仪器去放电50A时, SRP-SRN量到的电压差去除以Rsense(0.625 mohm, 每个电阻5m ohm, 共8个电阻并联),

得到的结果是53A, 请问一下为什么会多出3A?

Thanks