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  • BQ27Z561-R2: Fuel gauge for application with very small active current

    Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQSTUDIO Hello to everyone I'm in the process of evaluating and selecting the right fuel gauge for new application that will run from 1cell Li-pol battery. Key points: Application active…
    • Resolved

  • BQ27Z561-R2: The procedure for training a battery utilizing the BQ27Z561 fuel gauge IC and BQ Studio.

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQ27Z561 Hi, I am currently in the process of configuring the necessary parameters to initiate the learning cycle. However, I am encountering challenges in obtaining the correct values for the…

  • BQ27Z561-R2: Sense Resistor Value recommendation

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Hi , We are using BQ27Z561-R2 in our board. My battery has 3000 mAh capacity and two of them will connected in parallel. So, total capacity is 6000 mAh. Then my load will take 4A. What is the recommended sense resistor…
    • 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…
    • Resolved

  • BQ27Z561-R2: Current consumption during Sleep and deep sleep

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQSTUDIO Hi, I captured with a current probe the current waveform in sleep mode and Deep sleep mode. Each 1sec i see a pulse of ~20mS width. The "voltage time" is set to 10s for both DP and…
    • Answered

  • BQ27Z561-R2: Puls Pin impedance to ground when Puls output voltage is low

    Resolved
    Part Number: BQ27Z561-R2 Can you confirm what is the ground impedance of the Puls pin when the Puls output voltage is low?
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    • Answered

  • BQ27Z561-R2: As the discharge current decreased, the RSOC decreased.

    Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: GPCCHEM , Tool/software: Can someone explain? RSOC dropped sharply as current draw decreased. (Top of current graph is cutoff, charging current: over 200mA) Systems downstream of the gauge…
    • Resolved

  • BQ27Z561-R2: Can not successfully finish learning cycle for high-capacity battery 27…30Ah configured as 1S3P

    TI Thinks Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: GPCCHEM Tool/software: Hello community, I have successfully trained BQ27Z561-R2 and created golden images for wide portfolio of LiPol batteries from 1Ah to 10Ah. In the process I had no issues…

  • BQ27Z561-R2: Learning cycle charge step not changing update status from 04 to 05 due to error/offset current

    Part Number: BQ27Z561-R2 Tool/software: I am following the instructions in app note SLUA903 Achieving The Successful Learning Cycle, section 5 Conclusion At the end of the charging step, FC bit is set, and I rest the battery as directed: Charge the…
    • Answered

  • BQ27Z561-R2: Initiation and configuration

    Resolved
    Part Number: BQ27Z561-R2 Other Parts Discussed in Thread: BQSTUDIO , EV2400 , BQ27220 , GPCCEDV Hi, We are using BQ27Z561-R2 gauge IC in our board with 2P battery. Can you explain me about how to initiate and configure the gauge in order to get battery…
    • Resolved

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