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TIDA-00239: .

Anisha S
Prodigy 40 points

Part Number: TIDA-00239

Hello

I have a query regading current direction. Assuming that above design can be tweaked for active cell balncing with cell to module topology.Let's say we are charging a 14s1p battery pack and  cell 6 is overcharged. So, we try to discharge cell 6 and charge the entire pack with that energy.  It will appear like cell 6 is discharging but how are the cells below it charged at that instant? Isn't the current deviated to bidirectional converter?

Thanks in advance.

  • 0
    TI__Genius 11480 points
    Hi Anisha,

    This is a good question - it can be explained by conservation of power.

    If you are discharging a single cell (which is the case - the EMB1428 switch matrix connects to the top and bottom terminal of the cell) to the entire stack, you are effectively stepping up the voltage. This means that the current out of the cell will be less than the current charging the whole pack, resulting in a net discharge of the cell being balanced and a net charge of the remaining cells).


    I hope this helps.