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BQ24610: Vout is below

Tan Kai
Prodigy 10 points
Part Number: BQ24610


Tool/software:

Dears,

  The customer found that Vout was consistently lower than the target value, and after investigation, it was found that VFB 1.9V was lower than 2.1V. Adjusting R2, R1, and VFB will also change. The customer's circuit design reference datasheet.

  • 0
    TI__Mastermind 35276 points

    Hello Tan,

    Tan Kai said:
    The customer found that Vout was consistently lower than the target value, and after investigation, it was found that VFB 1.9V was lower than 2.1V. Adjusting R2, R1, and VFB will also change. The customer's circuit design reference datasheet.

    Is the battery charging when you measure VFB? VFB is reference to the battery voltage, when the battery is flly charged, the VFB voltage should be 2.1V

    Best Regards,

    Christian.