Part Number:BQ34110
Hi,
I'm using the BQ34110 with 5 series NiMH cells (nominal voltage 1.2V/cell), and I'm trying to follow the procedure to generate the GPC logs so I can get the correct CEDV parameters. However, I'm running into two issues:
1) I'm having a hard time getting the FC bit to set after a full charge, so when I try to run the GPC Cycle, it's stuck waiting for FC=1 forever. It seems setting this bit is somewhat dependent on the current EDV thresholds (the default values for which seem like they're for a Li-Ion cell), so do I need to change these values in order to make the chip realize there has been a qualified charge?
2) I am able to calibrate the voltage measurement, but I'm seeing huge measurement error the further away I get from the voltage at which I calibrated. I am using 1% resistors for my external divider at the moment, but I have ordered 0.1% values as a precaution. That being said, it seems odd the voltage measurement is off by so much.
Thanks for your help!
Kyle