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BQ25820: Battery management, LiFePo4, IGBT, Drivers

Tsvetan Ginin
Intellectual 470 points
Part Number: BQ25820

Tool/software:

Hello, I would like your professional opinion on the feasibility of implementing the sample conceptual circuit below. The goal is to charge one lithium-phosphate cell - 3.65V/300A at an input voltage of 12V/125A. I also have doubts about the stability of the circuit.

Best regards,

Tsvetan Ginin

  • 0
    TI__Mastermind 33051 points

    Hello Tsvetan,

    Tsvetan Ginin said:
    Hello, I would like your professional opinion on the feasibility of implementing the sample conceptual circuit below. The goal is to charge one lithium-phosphate cell - 3.65V/300A at an input voltage of 12V/125A. I also have doubts about the stability of the circuit.

    The BQ25820 is not rated for 300A charging, the Max we recommend is 20A. it may be possible with multiple BQ25820 in parallel

    best Regards,

    Chrstian