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  • BQ27Z561-R2: Put the device back to factory defaults

    Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQSTUDIO Hi is it possible to put the BQ27Z561-R2 back to default factory settings? I have been testing so much, that I don't know all changes to the registers any more. Now I want to test my…
    • Resolved
    • Answered

  • BQ27Z561-R2: can`t change Manufacture Date

    Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQ27Z561 , BQSTUDIO I use the bq27z561 in bqStudio, I need to change the Manufacture Data 0x40A9 to 2021/5/17, I can't change the data, see the appendix I read the data is 5221 in 40A9 , I…
    • Resolved
    • Answered

  • BQ27Z561-R2: Battery RSOC doesn't match Voltage during the charge and discharge

    Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQSTUDIO Hi, I met a strange problem these days, with BQ27Z561-R2 gas gauge, I have 1pcs battery whose Battery RSOC 79% VS Voltage at 3.492V, battery charge current is 0.27C. Good one is…
    • Resolved

  • BQ27Z561-R2: Unseal the problem

    Part Number: BQ27Z561-R2 Hi Unseal after seal cannot be unseal once, which did not happen with other gauge models.UNSEAL must be clicked several times to unlock."UNSEAL full access "sometimes requires multiple clicks on the lock.I wonder if you…

  • BQ27Z561-R2: fault reporting and reset SOH/cycle count

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQ28Z610-R1 , BQ27742-G1 , BQ27220 Hello expert, My customer want to know if BQ27Z561-R2 has OVP/OCP/OTP individual reporting indicator? They would like to know the specific fault root cause…

  • BQ27Z561-R2: long delay from Sleep to Normal mode

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQ27Z561 When I increase the current from beneath Sleep current to 10x above this threshold. It takes 4 seconds befor the chip is running in Normal mode. In this way I miss the continuous CC. How…

  • BQ27Z561-R2: How to configure fuel gauge for 100uA (nominal) to 1.5A (rare peak) measurements

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: GPCCHEM Hi Team, Can you have a look at the following customer inquiry, please? I have a Fuel Gauge (bq27z561-R2), which should be able to measure currents between 10mA and 1.5A. Now I have…

  • BQ27Z561-R2: Fuel-Gauge IC layout recommendation

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQ27Z561 , BQ40Z50 , BQ34Z100-G1 For a product I have looked for a Fuel-Gauge which can handle up to 25000mAh (1S7P) battery I have come across BQ27Z561-xx family and they seems suitable for…
    • Answered

  • BQ27Z561-R2: Update the CHEM ID in Fuel Gauge via I2C from MCU

    Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQSTUDIO We can read the CHEM ID via I2C using the 0x3E AltManufacturerAccess() with 0x0006. But the default CHEM ID in the chip is not what we want for our battery, so we want to update it. We…
    • Resolved
    • Answered

  • BQ27Z561-R2: How to use auto calibration function?

    Resolved
    Part Number: BQ27Z561-R2 Hello Sir: We check the datasheet and there has a function auto calibration. There has three questions as below. 1. Would you please let us know what are the update rules? 2. And the voltage, current and temperature will…
    • Resolved

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