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BQ4050: SOC jump in -20℃

Part Number: BQ4050
Other Parts Discussed in Thread: GPCCEDV

Dear Expert

We production state ,and found in low temperature test -20 degrees, low temperature capacity changes, 27% directly jump 7% analysis

I read the chinese version of application not ,that have a paragraph said:"In order to predict the relationship between voltage and SOC at different currents and temperatures, V(SOC, I, T) is designed to compensate EDV and TI .The CEDV model consists of 7 CEDV parameters {EMF, C0, C1, R0, R1, T0, TC}. "

Could u help to provide us these CEDV model ?

TI电量计应用指导.pdf