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Original question:

BQ24040: The thermal charging state of BQ24040

BQ24040: The thermal charging state of BQ24040

user5006961
Intellectual 805 points
Part Number: BQ24040

The fourth leg of BQ24040 is set to the current. Can I directly ground this foot

  • 0
    TI__Genius 14585 points
    Hi,
    For BQ24040 device, this pin4 can not directly connect to ground because there is internal current source in this pin. If you don't want to use this pin you can let this pin floating. And if left floating, the termination and pre-charge are set internally at 10/20% respectively
    Thanks