Part Number: BQ27421-G1 Tool/software: Dear Jonny,
you wrote:
"It is likely that your design capacity is far greater than the actual Qmax reported by the gauge, causing the SOH to read ~84%. "
I think the design capacity should be smaller than actual…
Part Number: BQ27421-G1 Tool/software: Hello:
I am using the bq27421-G1 in my product. When in use, the power display shows 100%, but after using the camera for about 1 minute, the device shuts down automatically. Upon restarting, the fuel gauge shows…
Part Number: BQ27421-G1 Tool/software: Hello,
we are mounting the BQ27421-G1 on a wearable device, running on a STM32F7 processor.
Approximately on 1 device out of 10, the communication with the chip is not working .
What happens is that the call…
Part Number: BQ27421-G1 Tool/software: Hi Team.
I'm using the following parts in my design, and have a few questions about bringup,
bq27421YZFR : I2C read from fuel gauge command for capacity returns 0x00. Do I need to program the battery profile…
Part Number: BQ27421-G1 Other Parts Discussed in Thread: GPCRB , BQSTUDIO , BQ25600 , Tool/software: Hi team,
Customer try to use BQ27421 with the chemical ID get from GPCRB tool.
Their battery best match Chem ID 366, and they would like to get the…
Part Number: BQ27421-G1 Tool/software: Hello,
I am looking to implement a new battery-pack of 11000mAh using the BQ27421. I have read on another thread that such accomodation is possible by modifying particular parameters.
The following document was…
Hi Alan, We don't program the chem id. The model is bq27421, which indicates in the datasheet that unlike some other Impedance Track fuel gauges, the bq27421-G1 cannot be programmed with specific battery chemistry profiles.
We use the commands (sent…
Part Number: BQ27421-G1 Other Parts Discussed in Thread: BQ25611D Tool/software: Hello, We are currently using the BQ27421 fuel gauge for a custom battery with the specifications mentioned below. When we program the RAM memory with the custom battery…
Part Number: BQ27421-G1 Tool/software: After setting the initial Qmax cell 0, the FCC remains at its default value, which cannot be reset. How to update the FCC value? It still requires one cycle learning?
