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BQ29200: BQ29200 cell balancing

Part Number: BQ29200


I have a question about BQ29200 cell balancing. Could you please explain how does the cell balance circuit work?

The block diagram in the datasheet shows it will short VC1_CB to GND or VDD. 

So I think the cell balancing current should be :



I don't understand the cell balancing current calculation formula? Could you please explain how to calculate the balancing current.


Alen Chen