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  • BQ27421EVM-G1A: GPOUT no interrupt

    Resolved
    Part Number: BQ27421EVM-G1A Other Parts Discussed in Thread: EV2400 , Hi, I'm evaluating BQ27421EVM-G1A with battery management studio v0.32 and EV2400. I have configure all the parameters in "Parameter Q&A". In application configuration, I set "gauge…
    • Resolved

  • BQ27421EVM-G1A: bqStudio calibration issue.

    TI Thinks Resolved
    Part Number: BQ27421EVM-G1A Other Parts Discussed in Thread: BQSTUDIO , GPCCHEM , , BQ27426 , BQ27427 Hell Ti quys! I use BQ27421-G1A in my project. I need to obtain the golden image to get proper CHEM-ID and put proper calibration values during initialization…
    • Answered

  • BQ27421EVM-G1A: StateOfCharg() accuracy

    Resolved
    Part Number: BQ27421EVM-G1A Other Parts Discussed in Thread: GPCCHEM Hi all, Do you know the accuracy of the value returned by the StateOfCharg(). For example, when it is returned 40%, is it 40% +/-5%, or 40% +/-1%......? Thanks for your support Regards…
    • Resolved

  • BQ27421EVM-G1A: SoC randomly became wrong on some PCBs after being configured correctly.

    TI Thinks Resolved
    Part Number: BQ27421EVM-G1A Other Parts Discussed in Thread: BQ25895 , EV2400 , BQSTUDIO , BQ2589 Hello, We are in mass production and we hit an issue that SoC is randomly wrong on some pieces. Phenomenon: Randomly on some boards, the SoC was wrong like…

  • BQ27421EVM-G1A: About the SOC percentage

    Part Number: BQ27421EVM-G1A In my application, sometimes battery is not connected (or battery get's switched off, based on internal protection). However SoC is shown as 100%, I suspect this is due to charging voltage maing fuel gauge active. …

  • BQ27421EVM-G1A: Writing a opconfig register

    TI Thinks Resolved
    Part Number: BQ27421EVM-G1A Other Parts Discussed in Thread: BQSTUDIO Hello, Can I overwrite opconfig register's default settings? Is it a good idea? If it is possible, how can I approach towards it? Sincerely, Netraja

  • BQ27421EVM-G1A: what's difference between BQ27421EVM-G1A & BQ27421EVM-G1B

    TI Thinks Resolved
    Part Number: BQ27421EVM-G1A Other Parts Discussed in Thread: GPCCHEM Hi, I found there are two types of EVM, G1A and G1B, their CHEM ID are different, 0x128 & 0x312, is there any other differences? BTW, if i want to do some test, do i must use battery…
    • Answered

  • BQ27421EVM-G1A: Regarding to the sudden change in SOC

    Resolved
    Part Number: BQ27421EVM-G1A Other Parts Discussed in Thread: BQSTUDIO Hi, I have used BQ27421 in our system. Whenever battery is low about say 15% and when it is in charging state the soc suddenly increases to 60%. What is the reason of this sudden change…
    • Resolved
    • Answered

  • BQ27421EVM-G1A: Typical procedure for the Learning cycle

    Resolved
    Part Number: BQ27421EVM-G1A Other Parts Discussed in Thread: BQ27421-G1 , BQ28Z610 , BQ78Z100 , , BQSTUDIO I'm using bq27421-G1 embedded into our Li-Po battery driven system and evaluate learning cycle with EVM of bq27421-G1A, so I'm searching application…
    • Resolved

  • BQ27421EVM-G1A: BQStudio issues

    TI Thinks Resolved
    Part Number: BQ27421EVM-G1A Other Parts Discussed in Thread: BQSTUDIO , BQ27426 Hi, Here is the screenshot of BQStudio, i can't find the chemistry icon at the top bar, also can't get chemistry update in the Help. How can i get the chemistry icon…

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