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  • BQ27421EVM-G1A: StateOfCharg() accuracy

    Part Number: BQ27421EVM-G1A 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, Damien

  • 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
    • 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

  • 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: 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…
    • Answered

  • BQ27421EVM-G1A: Data format

    Resolved
    Part Number: BQ27421EVM-G1A Does bq27421 have both big endian format and little endian format for data access? If it is yes, how can we judge which format we should use? Best Regards, Kohei Sasaki
    • Resolved
    • Answered

  • BQ27421EVM-G1A: CHEM ID

    Resolved
    Part Number: BQ27421EVM-G1A Other Parts Discussed in Thread: BQSTUDIO Hi Expert, I know bq27421G1A CHEM ID is 0x128. Does it map to bqstudio chemistry 0128? Thanks!
    • Resolved

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