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BQ24780S: BQ24780S

Part Number: BQ24780S

Tool/software:

Hi 

We are using BQ24780s smart charger for charging the battery.

In this there is a pin CMP IN where we give the battery voltage to a resistor divider circuit (where the R1 value is 715K and R2 is 180K) .

When we able to measure the CMP OUT w.r.to battery voltage (12.8V to 16.8V)Keeping CMPOUT threshold 2.3V the CMPOUT pin does not go high or low based on the comparator voltage.

The Independent comparator De glitch time is given as 01 in the charge option register..

Whether the CMPOUT can be configured to our controller to read the battery status.

Kindly help us to solve the issue.