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  • BQ27Z558: logic levels in BQ27Z558

    TI Thinks Resolved
    Part Number: BQ27Z558 Can u tell me what is its VOH min so we can easily conduct its dc analysis as its not visible in datasheet

  • BQ27Z558: BQ27Z558: Golden Image programming fails with error "ROM version is not supported by this tool" in bqStudio 1.3.101 & ChemID request

    TI Thinks Resolved
    Part Number: BQ27Z558 Other Parts Discussed in Thread: BQSTUDIO , EV2400 , Hello, I am currently working with the BQ27Z558YPHR fuel gauge and experiencing issues while trying to program the Golden Image - see attached screenshot. When attempting to…
    • Answered

  • BQ27Z558: How to Operate BQ27Z558 and BQ27Z561-R2 in a 2‑Series Cell Configuration

    Resolved
    Part Number: BQ27Z558 Other Parts Discussed in Thread: BQ27Z561 , slua496(multi-cell battery application).pdf In order to reduce standby current consumption, we are considering using the BQ27Z558 and BQ27Z561‑R2, which are 1‑cell gas gauge ICs, in…
    • Resolved

  • BQ27Z558: BQ27Z558

    Part Number: BQ27Z558 Other Parts Discussed in Thread: GPCCHEM Tool/software: Hi we have a problem with battery learning. After fully charging the battery and disconnecting the charging cable, the SOC drops right down to 100% -> 99% When we did battery…

  • BQ27Z558: Battery Learning Cycle Failure

    Part Number: BQ27Z558 Hello TI Team, Greetings of the day, We are using the BQ25622RYKR battery charger IC and the BQ27Z558YPHR fuel gauge in our product, which is powered by a 3.7V, 8000mAh Li-Po battery. We completed the CHEMID identification…
    • Answered

  • BQ27Z558: Learning Cycle guide for BQ27Z558

    Resolved
    Part Number: BQ27Z558 Other Parts Discussed in Thread: BQ78Z100 , BQ28Z610 Tool/software: Hi I would like to conduct learning cycle with BQ27Z558, but I couldn't find related guide document for BQ27Z558's learning cycle. Could you let us know an…
    • Resolved

  • BQ27Z558: Requirement for LStatus update in manufacturing

    Part Number: BQ27Z558 Hello, we are developing a removable battery pack for one of our devices (1S2P Li-ion 10Ah). We are using the BQ27Z558 as the gas gauge. We successfully completed the learning cycle. After that, we disabled GAUGE_EN and created…

  • BQ27Z558: BQ27Z558 Authentication key

    TI Thinks Resolved
    Part Number: BQ27Z558 Other Parts Discussed in Thread: SHA-256 , Tool/software: BQ27Z558 support SHA-256 authentication which should contain a 64 bit authentication key , but we found that item 12.8.20 in the TRM define the key as 32 bit, please let me…

  • BQ27Z558: Protector IC?

    Part Number: BQ27Z558 In the datasheet reference circuit, what is "Protector IC"?
    • Answered

  • BQ27Z558: File .bqz bqStudio for BQ27Z558

    Resolved
    Part Number: BQ27Z558 Tool/software: Can I get the .bqz file for 1558_0_01 ie BQ27Z558? https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1385981/bq27z558-urgent-bq27z558-bqstudio-support-for-new-part It was…
    • Resolved

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