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Showing 268 results View by: Thread Post Sort by
  • BQ27Z561-R2: Effect of Changing terminal Voltage

    Hailiang Zhang
    Hailiang Zhang
    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Hi Team, After completing the golden learning and completing several cycles, the customer wants to change the cut-off voltage. Is it necessary to do the golden learning again? What needs to be changed? Could you pls comments…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • BQSTUDIO: bq27z561-R2

    Christopher Paul
    Christopher Paul
    Resolved
    Part Number: BQSTUDIO Other Parts Discussed in Thread: BQ27Z561-R2 , I am working with the bq27z561-R2. I have full access unsealed the gauge as you can see below ( I confirm that SEC0 and SEC1 are both red. ) I am able to export an .srec, but I am…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • BQ27Z561-R2: Host configuration gauge failed

    Hailiang Zhang
    Hailiang Zhang
    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQ27Z561 , Hi Team, The customer uses the BQ27Z561 and uses the MCU to configure the fuel gauge. When writing a *.df.fs file, it was found that writing the "Date block" timed out. I have a few…
    • over 2 years ago
    • Power management
    • Power management forum
  • RE: BQ27Z561-R2: SOC drops from 82% to 0% within 2 mins

    Statham Su
    Statham Su
    Hello Jonny: Jonny said: it seems like your current supply is not stable. Did you mean voltage drops? but before RSOC drops (100% to 82%), that voltage is stable, why it drops faster? Jonny said: During the charge cycle it appears that the current…
    • over 2 years ago
    • Power management
    • Power management forum
  • BQ27Z561-R2: Learning Cycle - Failure

    Jainam Shah
    Jainam Shah
    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQ25306 , Hello, I am using the 3.8V 385mAH battery with the Bq27z561-r2 module. I'm also using the Bq25306 module to charge the battery. These are the parameters I have set as the learning…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • BQ27Z561-R2: SET DESIGN CAPACITY

    Alsufiyan Nazim
    Alsufiyan Nazim
    Resolved
    Part Number: BQ27Z561-R2 I am having a custom board with battery gauge of part number BQ27Z561-R2 connected via I2C. I want to set design capacity to 2900 mAh for my Li ion battery of 3.7V. I referred Technical Reference (SLUUC54B) documents from TI…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • BQ27Z561-R2: unseal needs more retry to work

    Stefano Tebaldi
    Stefano Tebaldi
    Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: EV2400 , , BQSTUDIO Hello, I am using BQ27Z561-R2 with EV2400 and Battery Management Studio v. 1.3.101 and I am noticing strange behavior for returning to unseal and full access mode from seal…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • BQ27Z561-R2: Estimating Fuel Gauge RSOC Error Using OCV

    Hailiang Zhang
    Hailiang Zhang
    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Hi Team, Please help to check whether the error evaluation method below is feasible. When the battery is discharged for a period of time, record the RSOC A value reported by the fuel gauge, let the battery stand for a long…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: BQ27Z561-R2: RSOC jump to 0% during low-temperature boot

    lx luo
    lx luo
    Resolved
    Hi Dominik, I conducted a comparative test: 1. Current project electricity meter model: bq27z561-R2, firmware number: 2_ 01; 2. Model of electricity meter for comparative testing: bq27z561-R1, firmware number: 0_ 04,; 3. The configuration parameters…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • BQ27Z561-R2: Can I use this gauge with battery cell that has integrated protection circuit?

    Aivaras
    Aivaras
    Resolved
    Part Number: BQ27Z561-R2 Dear all, In all BQ27Z561-R2 documentation I see that protection circuit is shown after the gauge and cell solution. Meaning that when protection trips cell and gauge stays connected and only system is disconnected from PACK…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
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