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  • BQ27Z758: BQ27Z758 – Clarification on Data Flash Programming

    Part Number: BQ27Z758 I am currently integrating the BQ27Z758 fuel gauge in an embedded STM32-based system over I²C and require clarification regarding correct Data Flash (DF) programming and FET enable procedures. Objective: Enable CHG and DSG…

  • BQ27Z758: [BQ27Z758] Writing data to Data Flash via I2C is not taking effect

    Part Number: BQ27Z758 During the production line testing process, we execute commands to read the battery current from the fuel gauge. However, the read current value is sometimes 0. We found that the fuel gauge is in sleep mode and has disabled the ADC…
    • Answered

  • BQ27Z758: Does BQ27Z758 ship with default firmware

    Resolved
    Part Number: BQ27Z758 Other Parts Discussed in Thread: EV2400 , Tool/software: I am using the BQ27Z758 is a very space constrained environment. I cannot easily provide a connection to an external EV2400. Does the BQ27Z758 ship with default firmware already…
    • Resolved

  • BQ27Z758: bq27z758

    TI Thinks Resolved
    Part Number: BQ27Z758 Tool/software: I am studying protection calibration with bq27Z758 IC, I read F0A2 out and change data to DEC, but what the meaning of these DEC data is? What I read out is A2 F0 01 00 03 19 20 08 08 08 09 08 26 1F 1A 5B 2E 04 5B…

  • BQ27Z758: Difference between BQ27Z746 and BQ27Z758

    Part Number: BQ27Z758 Other Parts Discussed in Thread: BQ27Z746 , Tool/software: Hello! What is the difference between BQ27Z746 and BQ27Z758? Is it only the zero voltage charge feature? Best Regards!

  • BQ27Z758: HOCD doesn't work

    TI Thinks Resolved
    Part Number: BQ27Z758 Other Parts Discussed in Thread: BQ27Z746 , Hi team, Customer is testing HOCD of BQ27Z758, process follow the guide "BQ27Z746 Hardware Protection Threshold Calibration". However, after done the calibration, it find the HOCD doesn…

  • BQ27Z758: Gold Image

    TI Thinks Resolved
    Part Number: BQ27Z758 Other Parts Discussed in Thread: BQ27Z746 , , BQSTUDIO Hi, The following thread states that "BQ27Z746 and BQ27Z758 need a different gold image for production ." BQ27Z758: Difference between BQ27Z746 and BQ27Z758 - Power management…
    • Answered

  • [FAQ] BQ27Z758: What FW should I use on the BQ27Z758?

    Resolved
    Part Number: BQ27Z758 Other Parts Discussed in Thread: BQ27Z746 , , BQSTUDIO Tool/software: The BQ27Z758 battery fuel gauge runs using the exact same firmware (FW) as the BQ27Z746/BQ27Z746-R1. It is recommended to download and program the latest…
    • Resolved
    • Answered

  • RE: [FAQ] BQ27Z758: [FAQ] BQ27Z758 FAQs

    Resolved
    If you have any related questions to the above topics, please create a new post using the "+ Ask a related question" button.

  • BQ27Z758: current value problem read from reg 0x0C/0x0D

    Part Number: BQ27Z758 What is the averaging time period for current value? As shown in the UART log below, the battery current is read by executing the test command several times (by reading the current-related registers via I2C) — sometimes it reads…

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