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  • RE: BQ27Z561-R2: Learning Cycle - Update status is not changing from 05 to 06

    Resolved
    Shirish said: the log taken without and protectors that could interfere with the battery characteristics The log was taken without protectors. And here is the zip file containing the logs of update status not changing from 0x05 to 0x06. Battery_logs_LC…
    • Answered

  • BQ27Z561-R2: Issue with the authentication function

    Resolved
    Part Number: BQ27Z561-R2 I would like to know if the TMR is correct or contains an error. I can't load the "authentication key", does the BQ27Z561-R2 device support this feature?
    • Resolved
    • Answered

  • BQ27Z561-R2: Recommended Rsense for Low Current Application

    Resolved
    Part Number: BQ27Z561-R2 Hi Team, The BQ27Z561-R2 datasheet states that "the device is designed to support a 1-mΩ to 3-mΩ sense resistor". However, I am looking at this device for an application that will be mostly in sleep (<1mA) with maximum active…
    • Resolved

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

    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQ27Z561 , BQSTUDIO , EV2400 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…

  • BQ27Z561-R2: How does IC should respond to the write I2C command into ReadOnly register adresses?

    Part Number: BQ27Z561-R2 Hi, I am communicating with BQ27Z561-R2 through the I2C. I need to know what response should I get from Fuel Gauge IC when I try to write into a read only register. The problem is that in the technical reference chapter 10…
    • Answered

  • BQ27Z561-R2: share Rsense with bq2980

    Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQ2980 , BQ27Z561 hi Team, customer is using the bq27z561 and bq2980 on cell phone design. since both of the device support 1mohm Rsense can the two parts share the same Rsense for the…
    • Resolved

  • BQ27Z561-R2: Single Cell Fuel Gauge

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Hi, Good day. Our customer is looking for a fuel gauge for a single cell. However they noticed that the Vbat (sometimes Vcc) is around 2.0V and they looking for a Vbat that has 1.5V. Would the BQ27Z561-R2 work on that condition…
    • Answered

  • BQ27Z561-R2: Updating Chem ID using gm.fs file

    Resolved
    Part Number: BQ27Z561-R2 Hello, I am writing the golden image gm.fs file to the fuel gauge using a microcontroller over I2C following a successful learning cycle. The file gets applied correctly, but I am noticing the Chem ID doesn't get updated.…
    • Resolved

  • BQ27Z561-R2: Creating Golden Image

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: EV2400 , BQSTUDIO Hi, I have completed steps in SLUA379E document up to number 9, number 10 asks to reprogram the pack with a fresh .senc file to clear all hidden constants. -Could you provide…

  • BQ27Z561-R2: CHEMID for LTO single cell battery

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: GPCCHEM , BQSTUDIO Hello, Our customer wanted to use this device with a Lithium Titanate Oxide single-cell battery. They have followed the instructions for capturing a log file using bqStudio…

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