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BQ25150: Even if the power supply is removed ,charger Vin still has 2.4V voltage

wade sun
Prodigy 10 points
Part Number: BQ25150

Sometimes when the power supply to the charger Vin is stopped, it is found that the charger Vin has a voltage output of 2.4V.

The probability of this happening is about 1/10. So what causes VIN to have voltage output？

  • 0
    TI__Expert 8245 points

    Hi,

    Can you provide a few more details so I can properly debug this behavior?

    1. Is the battery still connected when this behavior occurs?

    2. How long after VIN is disconnected are you making a voltage measurement?

    3. Can you share a schematic? 

    Thanks,

    Jackson