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BQ25896: How to disable BQ25896 Jeita function?

Jerry Hsueh
Expert 2730 points
Part Number: BQ25896
Other Parts Discussed in Thread: BQ25895

Hi

If I dont want to use BQ25896 Jeita function. How to disable it by register or hardware?

Thank you

  • 0
    TI__Guru**** 166176 points

    Jerry,

    Voltage regulation reduction during JEITA warm can be disabled using REG09 bit 4.  This means the battery will fully charge up to 60C instead of 45C, which is the general recommendation.  Charge current reduction during JEITA cool cannot be disabled but the host software can continuously read REG0C NTC fault and then increase REG04 ICHG during JEITA cool. 

  • 0 in reply to Jeff F
    TI__Guru**** 166176 points
    If OTG boost mode back to VBUS is not required, the bq25895 might be an option because it does not have JEITA.