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BQ40Z80: 5S1P battery pack

Part Number: BQ40Z80
Other Parts Discussed in Thread: BQ34Z100

Tool/software:

Dear all,

Is it possible to use this component to calculate the SOC of the closed 5S battery pack.

In fact in my application I use a battery pack with integrated BMS but without fuel jauge component and I have to calculate the SOC. Therefore I have selected the BQ40Z80 to meet voltage level but I'm not sure I can use it without access to the cells individually?

Regards

Sébastien