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  • [FAQ] BQ41Z50: ECC Authentication Tool

    Part Number: BQ41Z50 Tool/software: To use the ECC Authentication tool for BQ41z50, refer to the provided PDF guide. It offers a high-level overview of the ECC algorithm and step-by-step instructions for using the ECC GUI. PDF Guide and Executable…
    • Answered

  • BQ41Z50: What advantages does the BQ41Z50 offer over the BQ40Z50?

    Resolved
    Part Number: BQ41Z50 Other Parts Discussed in Thread: BQ40Z50 , BQ25720 , TPS25730 , BQ25720EVM Tool/software: We are evaluating the BQ41Z50 for potential use in a new product design. Based on preliminary info provided by TI (we have additional forum…
    • Resolved
    • 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

  • 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

  • BQ41Z50: Expected production date

    Resolved
    Part Number: BQ41Z50 Tool/software: I can see the BQ41Z50 is currently in stock at TI, but it is in "Pre Production" status and still not available at Digikey / Mouser. Can anyone provide info on when this chip will be in full production?
    • Resolved

  • BQ41Z50: Upgrade golden image to the latest firmware

    TI Thinks Resolved
    Part Number: BQ41Z50 Other Parts Discussed in Thread: BQSTUDIO Tool/software: Hi TI Team. We have a battery pack that uses the BQ41Z50 that we have successfully run a learning cycle on and built a golden image from FW version 0.01 build 12. We would…
    • Answered

  • BQ41Z50: The pull down mechanism of DSGOFF and CHGOFF

    Resolved
    Part Number: BQ41Z50 Tool/software: Hi Team, May I have your support about below items? How device pull down DSG&CHG pin when DSGOFF&CHGOFF is triggered? I do not see GND in DS picture. What is the resistance from pack to GND when gauge is in normal…
    • Resolved

  • BQ41Z50: RSOC not being updated after balancing at rest

    TI Thinks Resolved
    Part Number: BQ41Z50 Other Parts Discussed in Thread: GPCCHEM , BQSTUDIO Tool/software: With CBR enabled, cell balancing works correctly, but RSOC is not being updated. We did a test to simulate Cell 1 become unbalanced over a couple years of shelf…

  • BQ41Z50: How to support the SMBus 1MHz

    TI Thinks Resolved
    Part Number: BQ41Z50 Tool/software: Hi Team, As I know, bq41z50 can support the SMBus 1MHz communication but the TRM just said that set [XL]=1 then the gauge can support 400KHz and there is no config bit for 1MHz. Is there any configuration bit that…
    • Answered

  • BQ41Z50: Number of leds supported

    Resolved
    Part Number: BQ41Z50 Tool/software: Hi in datasheel (slusfb5) is stated, that BQ41z50 support up to 3 LED display. But reference manual (sluucp8) chapter 8.2, there is mention of 5-LED display and five registers to set thresholds. I don't see a…
    • Resolved

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