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  • BQ41Z50: FW

    TI Thinks Resolved
    Part Number: BQ41Z50 Other Parts Discussed in Thread: BQ9000 , BQ40Z50 Tool/software: There is a possibility to connect a BQ9000 (TI part number BQ41Z50 with unwritten FW) to the I2C master for use. The I/F of the BQ41Z50 is SMBUS, but please let us…
    • Answered

  • BQ41Z50: Difference from BQ40Z50-R5 FW

    Resolved
    Part Number: BQ41Z50 Other Parts Discussed in Thread: BQ40Z50 Tool/software: Hi team, I have a question regarding the firmware logic of the BQ41Z50. From a firmware perspective, would it be correct to consider the firmware level of the BQ41Z50 to…
    • Resolved

  • BQ41Z50EVM: Factory default firmware state

    Part Number: BQ41Z50EVM Other Parts Discussed in Thread: BQ41Z50 , BQ41Z50-FW Tool/software: Is the firmware written to the BQ41Z50EVM at the factory default state? Also, if I purchase the BQ41Z50 as a standalone unit instead of the evaluation board…

  • RE: BQ41Z50EVM: Disabling the dataflash permanent fail

    Hello, There's definitely something wrong when current is 32A and voltage reads 0V. I think there's FW corruption. Can you please flash the device with a firmware from ti.com? https://www.ti.com/tool/download/BQ41Z50-FW

  • RE: BQ41Z50: Upgrade golden image to the latest firmware

    Thanks Alan. There is an error when trying to manually update the chemID to 2068 with BQ41Z50 FW Version 0.01 build 21. "Error code = 1709. The chemistry signature does not match signature calculated by firmware" I am using bqStudio version 1.3.27…

  • RE: BQ40Z50-R2: Replacing BQ20Z95DBTR

    Hello Jeremy, It depends on your application. The bq41z50 is our newer gauge, so you will see more FW updates on that gauge as well as our new algorithm for Dynamic Loads (DZT). However, for bq40z50, we are not releasing new FWs. The last update for…

  • BQ41Z50: Read SREC file from .bq.fs or .gm.fs file

    TI Thinks Resolved
    Part Number: BQ41Z50 Tool/software: Hello, I am working with BQ41z50-EVM board. I successfully programmed base FW "bq41z50_v0_01_build_21.sig.enc.bq.fs" through BQ studio software. However, for larger production, we use Labview 2012 to program TI ICs…

  • RE: BQ41Z90: How to create .df.fs (Data Flash Flash Stream) files.

    Hi, Our newer devices (BQ41z50) do not use .SRECs anymore. The equivalent file would be the bq.fs with the FW and Dataflash. Regards, Diego

  • BQ41Z50: 3 cell battery pack have no gauge IC solution can support I2C communication interface (bq41z50 has no mentioned I2C info on data sheet)

    Part Number: BQ41Z50 Tool/software: have no see any describe/article on data sheet for I2C communication interface. does bq41z50 support I2C communication interface? needs special version FW? or any else gauge IC can support 3 cell in series battery pack…
    • Answered

  • RE: BQ41Z50: How do you utilize the GPIO 1/2/3 pins?

    Resolved
    Hi Kevin, The bq41z50 catalog FW comes with these pins defined. Repurposing them requires FW change. You might need to contact your local FAE for this. It takes a lot of effort to do this. For LEDs, We mention 3-LEDs Kevin Banks said: In particular…

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