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BQ24610EVM: shortening the charging time

Seong-Ho Kang
Prodigy 10 points
Part Number: BQ24610EVM

I want to short charging time as blue line

- I want to shorten the charging time.

- As blue line (i drew it).

- Anyone, Can you advise me any solution.

  • 0
    TI__Mastermind 38335 points

    Hello,

    What is your current issue? Is it taking too long to terminate? Please give more specifics.

    Thanks,

    Mike Emanuel

  • 0 in reply to Michael Emanuel35
    Prodigy 10 points

    Yes, it take long to terminate.

     - Battery charging spec

        -> Battery : 1S2P, 10,000mAh

        ->  Charging Current: 3.0A, Charging Termination Current: 1.0A

         -> AC Power Adapter: 5.0V/3.0A (Typical)

    I tried to test Charging Termination Current: 0.3A then Termination time  is about 6H.

    So, I changed Charging Termination Current: 1.0A  then Termination time is about 3/30 ~ 4H.

    But, Charging Current is 9000mAh(90%).

    And, I tried to test Power Supply and Adapter, But test result is similar.

    I want to charging more fast.

  • 0 in reply to Seong-Ho Kang
    TI__Mastermind 38335 points

    Hello,

    The amount of time it takes to taper depends on the impedance between the regulation sense point and the actual battery itself. This includes traces on the PCB, impedance to the battery, and the internal battery impedance. If you want to reduce the taper time, move the sense point closer to the battery pack and/or reduce the impedance.

    Thanks,

    Mike Emanuel

    Please click "Resolved" if this answered your question.