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  • BQ27Z561-R2: Programming BQ27Z561-R2 from STM32 Using Parsed .bq.fs File – ROM Mode Not Responding

    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQSTUDIO I am using the BQ27Z561-R2 and developing a production programming tool for our contract manufacturer. Instead of using BQStudio, I am parsing the my golden image .bq.fs file and having…

  • RE: BQ27Z561-R2: BQ27z561-R2: RSOC and Remaining Capacity is showing 0 after flashing golden image

    Hi, Apologies for the late reply here are the updates: Smoothing is enabled from the start, and the current calibration is correct. Still, I’m observing two issues: 1. In relax mode, the SOC drops from 100% to 99% even though there is no load applied…

  • BQ27Z561-R2: Will BQ27z561-EVM device work for performing a learning cycle for a bq27z561-"R2" device???? (NOTE THE R2)

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQ27Z561 , Tool/software: Aloha, Since I don't see a bq27z561-R2 EVM, I'm assuming the bq27z561 EVM (NON-R2) will work for performing a learning cycle an R2 target?
    • Answered

  • BQ27Z561-R2-DEVICE-FW: Reading wrong CHEM-ID

    Resolved
    Part Number: BQ27Z561-R2-DEVICE-FW Other Parts Discussed in Thread: BQ27Z561-R2 Hi team, Customer told me, that he could not read right CHEM-ID. So I went to check some samples. Here my application environment: - Battery Pack 1S - NCR18500(1900mAh…
    • Resolved

  • BQ27Z561-R2: config parameter required for bq27z561-R2 device

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQ27Z561 , BQSTUDIO Tool/software: Hello, Trying to confirm what 'minimally', is required. Pulling this info from a combination of the TRM and b27z561 evm guid (note this is not R2) - these…

  • BQ27Z561-R2: FW runtime in lifetime data is much more less than shipment time

    Part Number: BQ27Z561-R2 Tool/software: Hi Team, Customer feedback that the recorded FW runtime in lifetime flash is only 1600hrs, but their pack has been ship out for over 2 years. Customer want to know how FW runtime accumulated and will shutdown…

  • BQ27Z561-R2: the difference between device type and device number

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Tool/software: What is the difference between device type and device number? Taking bq27z7561R2 as an example, when reading device type as 6115 and device number as 1561, it seems that only the high and low bits are opposite.…

  • BQ27Z561-R2: BQ27Z561YPHR-R2 Percentage reading help

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Hello, I have a project where I'm using the Ti fuel gauge BQ27Z561YPHR-R2 and BQ25303JRTER charger. I`ve completed the learning cycle and obtained the correct chemical id from GPCUploader online. Now, for each new device, I…

  • BQ27Z561-R2: BQ27Z561YPHR-R2 jump from 100 to 0%

    Part Number: BQ27Z561-R2 Hi TI Support Team, I’m using the BQ27Z561YPHR-R2 fuel gauge in my product. I completed the ChemID selection and learning cycle , and programmed the gauge accordingly. System description: Fuel gauge integrated on-board…

  • BQ27Z561-R2: I2C Interface Signal Levels

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQ27Z561 In a battery driven device, we always keep the CPU at 3.3 V using a boost converter and communicate with the fuel gauge via I2C. The fuel gauge, in turn, is powered by the battery, which…

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