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LTC6811/LTC6804: Mosfet driving

Question asked by Karimouz on Apr 24, 2018
Latest reply on May 11, 2018 by Jon.Munson



I'm working on cell balancing system(active cell balancing based on inductor energy transfet between cells)  for my hybrid capacitor battery.

I have 36 cells with 0.8 V to 1.6 V maximum voltage range ( 1.4 V rated voltage) for each cell.

In the datasheet the S(n) output is equal to -Vcell(n) which mean here -1.4V.

Even that they recommend the usage of a PNP transistor but in my case it's impossible because i'm balancing my cells with 6 A or even greater what is more than a PNP transistor can support.

Do you have any suggestion or solution for my case so that i can drive mosfets for my cell balancing system.


thank you in advance.