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BQ24050: FOR NTC of 4kohm (approx 45C) I need to shut off charge current to battery. how?

STEVE DUNN
Prodigy 10 points
Part Number: BQ24050

FOR NTC of 4kohm (approx 45C) I need to shut off charge current to battery. how?

  • 0
    TI__Mastermind 40325 points

    Hello,

    I would recommend placing a resistor in series and parallel to modify the threshold of your 10k thermistor going to 4k at 45C such that the TS voltage is below VTS-60°C at that time. This will require some theoretical iteration to meet your desired values. Please note this charger is designed for a single 10k thermistor with the ranges listed in the datasheet. Modifying one of these thresholds may affect the others.

    Regards,

    Mike Emanuel