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BQ24725A: Trickle charge function.

Kevin Huang8
Genius 3005 points
Part Number: BQ24725A
Other Parts Discussed in Thread: BQ24725

Hi Team,

BQ24725 have MPS MP2760 Trickle charge function? Or do you have other better suggestions?

When the battery is dead, the battery has a protective board that cuts off the power path. At this time, the battery voltage is 0 volts. Can I use trickle charge to charge it at this time?
Because when the battery is out of power, the voltage is 0V,The charger will judge that there is no battery. So, it can’t be charged battery.

MP2760GVT.pdf

  • 0
    TI__Expert 7516 points

    Hello Kevin,

    Kevin Huang8 said:
    When the battery is dead, the battery has a protective board that cuts off the power path. At this time, the battery voltage is 0 volts. Can I use trickle charge to charge it at this time?
    Because when the battery is out of power, the voltage is 0V,The charger will judge that there is no battery. So, it can’t be charged battery.

    We have a pre-charge function that should be able to provide the battery with current at low voltages.

    Kevin Huang8 said:
    BQ24725 have MPS MP2760 Trickle charge function? Or do you have other better suggestions?

    According to the datasheet MP2760 is a buck-boost charger. Are you looking for a similar buck-boost charger or just a buck charger?

    Best Regards,

    Christian.