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BQ24133: charge operation temperature and TS pin setting

jaeyeon jang
Prodigy 10 points
Part Number: BQ24133

hi,

please let me know about internal TS setting value.

written by datasheet, set the resistor value for charge at 0~45°C(Li-Ion battery)

if i want operation special environment with special Li-Ion battery, is it possible?

how can i set the temperature qualification window wider than 5~40°C?

thanks

best regard.

  • 0
    TI__Mastermind 40325 points

    Jaeyeon,

    In order to set the temperature qualification window wider than 5~40°C you just need to program the resistor divider. Once you have chosen your thermistor, look at its datasheet for the resistance at the lower temperature you want. Bias the TS pin above VHTF. Choose the resistors such that the thermistor resistance at the hotter temperature allows the TS pin to be below VLTFH.

    Thanks,

    Mike Emanuel

    Please click "This resolved my issue" button if this post answers your question.