Part Number: BQ27220 Hello Ti, Can you please confirm the min and max battery capacity of fuel gauge bq27220, as nothing is mention in datasheet. I am connecting 2 parallel (5500mah/each) battery for charging and discharging through system, is it fine with…
Part Number: BQ27220 Other Parts Discussed in Thread: BQSTUDIO , EV2400 Hi TI, I am trying to edit the driver code for changing the Design capacity to 9000mAh as mentioned in page no 65 of BQ27220 technical reference manual but not able to clear bit 2 as…
Part Number: BQ27220
This ACK seems to require 100us to respond. Is this normal? What may be the problem and how can it be resolved?
Also, the command format for iic communication is a bit difficult to understand. Do you have any reference materials…
Part Number: BQ27220 Other Parts Discussed in Thread: GPCCEDV , BQSTUDIO I have some new lithium batteries, these are not rechargeable, and with a capacity of 3000mAh, when I read the bq data with the standard commands, the FCC it gives me is correct, but…
Part Number: BQ27220 Hi TI Teams,
We encountered the following problem when using the bq27220 as a 1-cell LiCo battery to monitor the power level.
1) Gauge drift - multiple charging cycles cause charge percentage value shift from correct to the wrong one…
Hey,
I'm sorry to hear that following the steps didn't work for you. I won't be able to support this any further as I have no further knowledge on this topic.
Regards,
Nick Richards
Part Number: BQ27220 Other Parts Discussed in Thread: GPCCEDV Hi
I have tried with Calibration Guide to calibrate bq27220 IC with battery management Studio.
Issue facing is SOC drop from 48 to 7,when load is attached .
Part Number: BQ27220
Background
We programmed the battery profile to the BQ device as I received from TI. BQ27220 device is programmed during the bootup of the device. In our device firmware, we have to do certain device actions as per the battery charge…