Other Parts Discussed in Thread: BQ76952, BQSTUDIO
Tool/software:
Hi,
I'm working on a project that involves the BQ34Z100-R2 and I have run into an issue while calibrating the voltage and the external temperature.
Voltage:
I'm supplying 50V through a power supply and following the steps outlined in Texas Instruments' 'Voltage Calibration' video on YouTube.
However, after entering the correct applied voltage and running the calibration, the voltage reading shows 65535V, which is incorrect.
Also, the Voltage Divider value is updated as follows: (default was 5000)
For your information, the following snapshot shows our Pack Configuration setup and we are using 15-cell battery pack. Also, I have programmed the ChemID that matches our cell.
Temperature:
As you can see in the image above, the bit[0] of the Pack Configuration is set to 1 to specify external temperature source. Also, an external temp sensor is connected to TS pin and I'm calibrating the temperature as follows:
And the following shows the calibration result, which is not the value entered into the "Applied Temperature" field.
What am I doing wrong here to get the voltage and temperature calibrated?
Thank you,
Kyungjae Lee