BQ25155: BQ25155 ADC

user4679000

Part Number: BQ25155

Use BQ25155 to measurement battery voltage and the result is 0.
Set as follows:
ADCCTRL0 Register = 0x23
ADCCTRL1 Register = 0x6C
ADC_READ_EN Register = 0xFE
Power by battery and no Low power mode(LP Pin is high)
IIC interface normal

over 5 years ago

0 Raheem over 5 years ago

TI__Mastermind 21590 points

Hello,

When VIN is present, what voltage do you read on VBAT.

When you see this issue, what is in the 0x42 and 0x43 registers?

Does the issue still occur when you set the ADC Read rate to continuous?

0 Raheem over 4 years ago in reply to Raheem

TI__Mastermind 21590 points

Hello,

Any updates here?

0 Raheem over 4 years ago in reply to Raheem

TI__Mastermind 21590 points

Hello,

I havent heard back so i'll close this issue.

Power management

Power management forum

BQ25155: BQ25155 ADC