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  • BQ27Z561-R2: BQ27Z561-R2

    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQSTUDIO , , GPCCHEM Last week we had several of our battery packs, that has the bq27z561-r2 fuel gauging IC, reading above 90% on the battery capacity but the voltage only read 2.7V (The battery…

  • RE: BQ27Z561-R2: unexpected SOC Percentage behavior

    Hello Priya, Priya Joshi said: Given this constraint, is there any recommended way to stabilize or improve the accuracy of the SOC percentage under such varying load conditions? Please reference section "4.81 Smoothing Engine" Priya Joshi said:…
    • Answered

  • BQ27Z561-R2：帮忙评估原理图

    Resolved
    Other Parts Discussed in Thread: BQ27Z561-R2 , BQ27Z561 零件编号： BQ27Z561-R2 工具/软件： 您好，能帮忙评估下bq27z561的原理图吗？有没有什么缺陷？谢谢了！
    • 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: bq27z561-R2. Dsg/Chg Current Thresholds NOT reading back as expected-POSSIBLE ERROR?

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQSTUDIO , BQ27Z561 Tool/software: Hello, Trying to manually read these data flash items to print out and confimr their set correctly. They current do not come back as the same value as read…

  • 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: Hibernate Mode Entry

    TI Thinks Resolved
    Tool/software: Please show register map when Fuel gauge is in Hibernate mode Thanks, Uri

  • BQ27Z561-R2: low temperature optimization issue

    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQ27Z561 , GPCRB , BQSTUDIO Tool/software: 1round_verify.csv round1_low_optimize_20250807-report.zip round2_low_optimize.zip Hi, Currently we have some issue with gauge BQ27z561 low temp…

  • BQ27Z561-R2: the status register(BatteryStatus) got by Linux i2c driver is 0xFFFF sometimes

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQ27Z561 , BQSTUDIO Tool/software: Hi, Our product use the BQ27z561 as the fuel gauge, the gauge connected to the CPU by I2C, and our OS is Linux(kernel 5.15). During our test, we use the I2C…

  • BQ27Z561-R2: DOCUMENTATION ERROR? bq27z561 how to get interruptstatus()

    Part Number: BQ27Z561-R2 Tool/software: InterruptStatus() is listed as a data command read only...but scanning through the documentation lower it says it reports info on macdata()??? If it does the later then you likely have to write to it. Which…

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