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  • RE: BQ25620: The BQ25620 Charger IC cannot be working Issue

    Hey Kevin, I have taken a look at your schematic for the BQ27Z561-R2 gauge and I do not see any obvious issues here. Regards, Jonny.
    • Answered

  • BQ25628: How to know the Full charge status of the battery and the % battery charged

    Resolved
    Part Number: BQ25628 Other Parts Discussed in Thread: BQ27Z561-R2 We want to know the % battery charged and if the battery is fully charged stauts registors. We are programming it to our Nordic BLE SoC. Alternatively if any excel or (setup tool exe…
    • Resolved
    • Answered

  • RE: BQ27220: Determining initial SOC

    Resolved
    Thank you Jose. We are looking for a 1S gauge. In evaluating the BQ27Z561-R2 . , I have a followup question: 1 - does TI have any guidance on how to load the FW into the BQ27Z561-R2 during production? Thanks!

  • RE: Battery fuel gauge recommendation

    Hello Daniel, If your battery is rechargeable, I recommend you use the BQ27Z561-R2 ( https://www.ti.com/product/BQ27Z561-R2 ) If your battery is not rechargeable, I recommend you use the BQ35100 ( https://www.ti.com/product/BQ35100 ) Sincerely,…

  • RE: BQ27426: Can I use this chip on my circuit board ? Our battery is 4.1V .

    I choosed to use BQ27Z561-R2 in our new design . Thanks for your helping . Does Ti have the Python SDK for the bqStudio , So I can write a script to control the power and do some communication between the power and BQ27Z561-R2 gauge?

  • BQ27Z561: Failed to program chemistry ID

    Part Number: BQ27Z561 Hi Team， Customer is having problem when programming Chem ID4153. Screenshot is below. The customer tried to select the FW of BQ27Z561 or BQ27Z561-R2 when opening the GUI, it didn't solve the problem. Also, calibration can be performed…

  • BQ27546-G1: obtain coulomb counts from BQ27546-G1

    TI Thinks Resolved
    Part Number: BQ27546-G1 Other Parts Discussed in Thread: BQ27Z561-R2 , BQSTUDIO Hello, We are currently working with the BQ27546-G1 to obtain only coulomb counts while interfacing with a microcontroller. However, we are uncertain about the method…

  • RE: BQ27621-G1: How to configure register in RAM memory

    Hello, There are a few options here for a 1S flash fuel gauge. Your options really depend on whether or not you are wanting internal protections or not. An option for a 1S flash gauge without internal protections is the BQ27Z561-R2 . An option for a…
    • Answered

  • BQ27Z561: How to identify BQ27Z561 variant/part number

    Resolved
    Part Number: BQ27Z561 Other Parts Discussed in Thread: BQSTUDIO , , , Hello, There are 3 variants of fuel gauge as BQ27Z561, BQ27Z561-R1 and BQ27Z561-R2. So how to identify firmware version of this IC using BQStudio or any firmware code. Is there…
    • Resolved

  • BQ27Z561: gauge result has notable error after full charge and discharge

    TI Thinks Resolved
    Part Number: BQ27Z561 Other Parts Discussed in Thread: , GPCCHEM my customer have questions about BQ27Z561 here, could you help? The battery connected to BQ27Z561 was 410mAh, so the CHID was selected 1341, 425mAh. But after a full charge-discharge…

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