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BQ27Z746: Thermistor Coefficients for Cell Model

Micah Black
Prodigy 60 points
Part Number: BQ27Z746

Tool/software:

Hi,

I am looking at the cell temperature model in the BQ27Z746 and cannot find details on how to calculate all 9 of the coefficients required for using a different thermistor.

The application note mentioned in the datasheet (SLUA621) and the accompanying coefficient calculator tool (SLUA398) seem to be for older gauges that use only 4 data flash coefficients and a different thermistor circuit than the newer BQ27Z746.