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BQ40Z50 EVM 板电压校准问题

Other Parts Discussed in Thread: BQ40Z50

TI的各位大神,

BQ40Z50 EVM板搁置的时候校准了电压,用万用表实测4个 电压值都已经准确了。

但是只要一充电第一串和第四串的电压值就高于实际值了,第二串和第三串的电压还是准确的,

放电的时候第一串和第四串的电压值比实际值低,第二串和第三串是准确的。

如附件图片,请帮忙分析下原因,谢谢