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  • BQ27Z561-R2: RSOC jump

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: GPCRB Hi Team, The customer programmed 2 fuel gauges with the same configuration, the cell voltage is 3.9V, and the RSOC is 50%. One of the battery packs is in relax state, and the ambient temperature…

  • BQ27Z561-R2: Learning Cycle - Failure

    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…

  • BQ27Z561-R2: Estimating Fuel Gauge RSOC Error Using OCV

    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 enough…

  • BQ27Z561-R2: Learning Cycle - Failure at update status 0x05

    Part Number: BQ27Z561-R2 Hello, I am working on completing a learning cycle on a BQ27Z561-R2 fuel gauge with a 385mAh single cell battery (Chem ID 0x5800). It looks to me like the learning cycle has failed because RDIS flag was set and the resistance tables…

  • BQ27Z561-R2: DATA FLASH WRITE IS NOT WORKING

    Part Number: BQ27Z561-R2 Hi TI community, We are currently using the BQ27Z561-R2 battery gauge in our project, and we are experiencing an issue with one of the gauges. We have four boards with the same BQ27Z561-R2 battery gauge, but suddenly one of the…

  • BQ27Z561-R2: SOC drops issue

    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQ27Z561 Hello Sir: Please refer our log file and gg file. 0116.log 0117.log charge0116.log 20230118.gg.csv We follow below link recommend, change the load select to User Rate-CW. https://e2e.ti…

  • BQ27Z561-R2: How to verify the I2C data when using the host to upgrade the configuration file

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Hi Team, The customer uses the MCU to configure and upgrade the fuel gauge. After exporting *.df.fs, there is only one comparison command. How to verify and ensure the correctness of the data? Thanks. Regards, Hailiang
    • Answered

  • BQ27Z561-R2: unseal needs more retry to work

    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. Starting…
    • Resolved

  • BQ27Z561-R2: Request for programming documents of BQ27Z561-R2

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQSTUDIO , EV2400 Hi, This is Willie from Hi-lo Systems. Hi-Lo Systems is a company providing off-line programming service on a universal programmer, and we need your help to provide the documents…
    • Answered

  • BQ27Z561-R2: BQ27Z561-R2 EVM together with bqStudio for battery measurements

    Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: EV2400 , BQSTUDIO Hello, I want to access some parameters (resistance values) of our battery from our bq27z561-R2 fuel gauge. From the webpage: https://e2e.ti.com/blogs_/archives/b/fullycharged/posts…
    • Resolved

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