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  • BQ40Z50-R2: Chemical ID

    Part Number: BQ40Z50-R2 hi team, how can my customer custom the chemical ID of their cell? what is the procedure?thanks!

  • BQ40Z50-R2: What is the maximum capacity of the bq40z50-r2?

    TI Thinks Resolved
    Part Number: BQ40Z50-R2 Tool/software: The internet states that the maximum capacity of the bq40z50-r2 is 65Ah. However, the Design Capacity setting is set to a maximum of 32,767mAh. Is this incorrect? Please see the photo below. Best Regards

  • BQ40Z50-R2: charging decreases

    Part Number: BQ40Z50-R2 Hello, We are currently working on the bq40z50-r2 and using a 4S3P cell configuration. When we initiate charging of our battery pack, the charging starts and it charges up to 57%. At that time, the voltage is 14.9V. After checking…

  • BQ40Z50-R2: Charging Issue

    Part Number: BQ40Z50-R2 Other Parts Discussed in Thread: BQ2954 Hello, We are currently working on the bq40z50-r2 and using a 4S3P cell configuration. When we connect the battery pack for charging, it charges only up to about 86%, after which the charging…
    • Answered

  • RE: BQ40Z50-R2: BQ40Z50-R2 RSOC is calculated to be 0% before reaching the Term voltage (Rb table parameters have been updated).

    Resolved
    Hello Relly, I took a close look at your datalogs and configuration file. I see the following: Relly Chu said: Could you please help confirm if this is a parameter setting issue? In the gg file, the Load Mode = 7 = Max Avg I Last Run = -2000mA…
    • Answered

  • BQ40Z50-R2: BQ40Z50 design capacity bigger than allowed max value

    Resolved
    Part Number: BQ40Z50-R2 Other Parts Discussed in Thread: BQ40Z50 , BQSTUDIO Hello, We have designed a BMS with the BQ40Z50 IC, and are trying to apply it to our 4S35P battery pack. This pack uses cells that have 3450 mAh design capacity, so with 35…
    • Resolved
    • Answered

  • BQ40Z50-R2: FET issue

    Resolved
    Part Number: BQ40Z50-R2 Other Parts Discussed in Thread: BQSTUDIO , BQ40Z50-R1 , BQ40Z50 , BQ40Z50-DEVICE-FW Hi TI support My BQ40Z50-R2 doesn't want to charge or discharge in normal mode. But it works as exepected if I switch the FET_EN off and…
    • Resolved
    • Answered

  • BQ40Z50-R2: Design capacity

    Resolved
    Part Number: BQ40Z50-R2 Other Parts Discussed in Thread: BQSTUDIO I am using the BQ40Z50-R2 with a 100 Ah battery pack and need to configure the Design Capacity to 100000 mAh (100 Ah) . However, in BQStudio , the allowed range for the Design Capacity…
    • Resolved

  • BQ40Z50-R2: Help Selecting Chemistry and Settings for ATTU 650mAh 4S1P LiPo with bq40z50-R2

    Part Number: BQ40Z50-R2 Other Parts Discussed in Thread: BQSTUDIO , GPCCHEM Tool/software: I'm working on configuring a bq40z50-R2 fuel gauge for an ATTU 650mAh 4S1P 75C 14.8V LiPo battery . I have access to bqStudio and the TI Chemistry database , but…

  • BQ40Z50-R2: BQ40Z50-R2: RSoC locked at 99-100% - Part 02

    Part Number: BQ40Z50-R2 Tool/software: Hi, this question is related to: https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1508019/bq40z50-r2-rsoc-locked-at-99-100 Since i can not unlock the thread i opend…

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