BQ25703A: Can't read 0x28/29 ADCIBAT() data

Jeff Yang76

Part Number: BQ25703A

Hi,

I used BQ25703A EVM set charging voltage and charging current to let battery charging,

I can measure charging current bu current probe, but I used TI GUI to read BQ25703A 0x28/0x29 data always is 0,

this register should can show charging current, right? or need set other register before I read it?

Thanks!

Jeff

0 Joel Hernandez II over 5 years ago

Hey Jeff,

You need to set the ADCOption() register to both enable the ADC channel and start the ADC conversion.

Then the ADC output values will be displayed in their respective registers (0x28/0x29).

Regards,

Joel H

0 Jeff Yang76 over 5 years ago in reply to Joel Hernandez II

Hi Joel,

It can work now, thanks!

Jeff

0 Joel Hernandez II over 5 years ago in reply to Jeff Yang76

Perfect! We will close this thread.

Let us know if you have any further questions by posting a new thread.

Regards,

Joel H

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