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BQ24195L REG09 0x04

Jake Jung
Expert 1915 points
Other Parts Discussed in Thread: BQ24195L

Hi Tiers.

I have a question about bq24195L's REG09.

When charging is almost completed, INT is occurred and REG09 is 0x04.

Please refer below log message.

What is the REG09 0x04 and why this symptom is occurred?

REG09 0x04 is not described in datasheet.

  • 0
    TI__Expert 8230 points
    Hello SS,

    Writing 100b (0x04) to REG09 on the evaluation GUI for the 19x platform says this fault corresponds to a "TS2 Hot" fault. Do you have a thermistor or a fixed resistor network on the TS2 pin? I would verify the status of this pin and the temperature while charging.