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  • Resolved

BQ51010B: LiPo 3,7V battery charge

Prodigy 170 points
Gerardo L

Replies: 2

Views: 265

Part Number: BQ51010B

I want to charge a small LiPo battery of 3,7V. Can it be charged with the BQ51010B component? As I can see, the output voltage options are around 4,2V.

1 - How the component can notice that the battery is completely charged at 3,7V?

2 - How the component will stop charging the battery?

3 - How the charging ending can be notified? I see that CHG can do that, but as long as I have test it, CHG is always high (both charging or not)

Thank you so much in advance,

Gerardo

Prodigy 170 points
Gerardo L
  • Mastermind 49805 points
    Bill Johns
    The BQ51010B is a 7V power supply and cannot directly charge a battery. Battery charger application is shown in data sheet figure 37.

    A direct battery charger is the BQ51050B.

    Best Regards,

    Bill Johns,  Applications Engineer

    Texas Instruments Inc

    Dallas, Texas

    For more information on Battery Charger Solutions see Link

    Search "FAQ" on E2E Forum for common questions on battery charger solutions. 

  • Prodigy 170 points
    Gerardo L

    In reply to Bill Johns:

    Excuse me, I made a mistake with the component name.
    The one I am using is BQ51050B.

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