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  • BQ40Z50-R2: Learning Cycle not updating Qmax on BQ40Z50-R5

    Part Number: BQ40Z50-R2 Tool/software: Device: BQ40Z50-R5 Cells: 3S20P (Samsung 50E) Hi, I need some advice regarding the learning cycle. During the learning cycle, Qmax update is not occurring and the Update Status is stuck at 0x04. The pack capacity…

  • BQ40Z50-R1: How to update BQ40Z50-R1 using external MCU.

    TI Thinks Resolved
    Part Number: BQ40Z50-R1 Other Parts Discussed in Thread: BQSTUDIO Tool/software: Hi, I am using the BQ40Z50-R1 and have some questions regarding firmware updates. I have successfully updated my BQ40Z50-R1 to the R5 version using the available .srec…

  • BQ40Z50:BQ40Z50的通讯问题

    Part Number: BQ40Z50 Other Parts Discussed in Thread: EV2400 Tool/software: The problem I encountered in practical project applications is that we checked and tested the battery pack before leaving the factory, and found that the charging, discharging…

  • BQ40Z50: I need BQ40z50-R3 build95 version technical reference manual

    TI Thinks Resolved
    Part Number: BQ40Z50 Other Parts Discussed in Thread: BQSTUDIO , Tool/software: I received the BQ40z50-R3 build 95 FW from TI today, but it doesn't contain the technical reference manual. Also I see that this version was updated in Nov 24, does ti have…

  • BQ40Z50: BQ40Z50 SOH Register and SOH LoadRate Configuration Questions

    Part Number: BQ40Z50 Tool/software: Hi TI Support Team I have some questions regarding the SOH registers and LoadRate configuration in the BQ40Z50: What is the difference between SOH registers at 0x4F and 0x77 ? 2.What is the purpose and…

  • BQ40Z50: BQ40Z50-R1 PRES pin

    Part Number: BQ40Z50 Other Parts Discussed in Thread: BQSTUDIO , EV2400 , , Tool/software: Fullscreen Press_config_function.c Download int16_t read_bq40_da_config(AkkuName akku) { // Read DA Config (MAC address 0x495D) // 1. Send…

  • BQ40Z50: BQ40Z50 I2C status busy

    Part Number: BQ40Z50 Other Parts Discussed in Thread: MSPM0G3507 Tool/software: Hi, I was trying to read BQ40Z50 register value through MSPM0G3507 via SMBus. Here is my problem, I tried to read 8 registers data in 50ms. It was success for a lot…

  • 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 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 I'm unsure…

  • BQ40Z50: How to clear Permanent Failure (PF) on BQ40Z50

    Part Number: BQ40Z50 Other Parts Discussed in Thread: BQSTUDIO Tool/software: Hi TI team, I am working with a smart battery using the BQ40Z50-R5 robot The chip has entered a Permanent Failure (PF) state, and I need to clear the PF flag in order to re…

  • 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

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