LTC2943 cannot get right value with 4-cell battery

DengTao
on Jun 23, 2018

hello：

I use the LTC2943 to measure voltage.When I use 3-cell battery,we can get evething right. When I use 4-cell battery,I get evrything wrong.Even the config register is wrong. 

I don't change the test software and hardware,only change the battery.

Why?

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