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Original question:

BQ27427: The difference between bq27427 and bq27421-G1

BQ27427: How to set NTC temperature compensation parameters

Lumina Gui
Genius 3640 points
Part Number: BQ27427

Tool/software:

Dear TI Engineer,

We have a new question about the NTC temperature compensation when using BQ27427, that is, how to perform parameter compensation when the actual measured temperature differs significantly from the value read through I2C.

If a we do not using the Semitec 103AT thermistor, how should we to change the conefficients? We have test the QN0201X103F3435FA thermistor and 103AT-2 thermistor and the result is as below:

Thanks,

Kind Regards