SLUSDQ4 April 2019 BQ79606A-Q1
The input for the TWARN PTAT voltage (result in AUX_TWARN_PTAT*) for use with diagnostics and during developmental debugging. VWARN PTAT can be related directly to the temperature using this equation:
VPTAT_OFFSET is programmed offset in hex and located in register SPARE_ 6 and converted to mV using this equation:
In addition to the normal channel selection in the AUX_ADC_CTRL* register, the VPTAT input must be enabled. Before a measurement is taken for TWARN PTAT, set the CONTROL2[VPTAT_EN] bit to enable the input. After the conversion is complete, disable the input by clearing the CONTROL2[VPTAT_EN] bit. This prevents noise from coupling on to internal circuits during normal operation.