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BQ24232H: Can I use bq24232H for 3.8V Li Ion Battery?

Part Number: BQ24232H

I find myself required to do a little "sideways" engineering.  I must intercept the battery charger / power management on an existing product, from China no less.  The existing product has a battery labelled 3.8V Li Ion, 13.3Wh.  When fully charged and not under load, it reads higher than 4.25V.  I haven't done any LI Ion battery charging in the past.  Can I use the BQ24232H for this?  Can I test with the BQ24232HEVM-608 ?

  • Helmut,

    Usually a LiIon battery marked 3.8V means it is fully charged at 4.35V, but I recommend checking with the battery manufacturer if possible. The BQ24323H is designed to fully charge a 4.35V LiIon battery but only provides up to 500mA charge current. You will need to adjust the safety timer accordingly to charge the 13.3Whr batter with only 500mA.