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BQ34z100 电压校准问题

Other Parts Discussed in Thread: BQSTUDIO, BQ34Z100-G1

1.设计采用10串18650锂电池 单节电压范围2.7-4.2V,采用分压电阻为820K与16.5K,在执行电压校准前设定电池串数Number of Series Cells为10    VOLSEL置位 

然后点击bqStudio的Calibration进行电压校准,我用万用表测试BAT+与BAT-之间的电压为41V,输入41000后点击下面按钮无法执行电压校准,提示我数值不再范围内,请问这是为什么?

2.在执行电压校准前,Voltige Driver应该如何设置  我设置为45627  因为900mV对应820K与16.5K分压为45627mV

3.我在尝试填写校准电压值时发现只有填写的值在2900与5000之间时 才不会提示超出范围,这是为什么?