Dear friends
I use BQ40Z50 in my 2- serial product. I complete the temperature calibration at 25 degree C. But, BQ40Z50 report -10 degree C at actual -5 degree C ambient. I did calibration again -5 degree C. But BQ40Z50 report 30 degree C at actual 25 degree C ambient.
I guess it is related the B-constant of temperature sensor. what is correct B-constant for temperature sensor that is used for BQ40Z50 external sensor.
Thanks
zeng