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  • BQ76905: linux driver or example code for BQ76905 monitor and BQ25750 charge controller

    TI Thinks Resolved
    Part Number: BQ76905 Other Parts Discussed in Thread: BQ25750 , Tool/software: Hello, Is there a linux driver and/or example code available for the BQ75905 battery monitor and the BQ25750 battery charge controller? Thanks, Brian

  • BQ76905: Can Vbat be grounded to VSS while VCx remains powered?

    Part Number: BQ76905 We would like to have a method other than I2C for resetting the BQ76905. We are considering a single pole double throw switch that will disconnect Vbat and connect it to VSS through a resistor. Do you see any issues with Vbat being…

  • BQ76905: Incorrect cell voltage display

    Part Number: BQ76905 Hi Team, Posting on behalf of our customer. We are using the BQ76905 in our design, connected to a 2-cell LiPo battery (2 × 4.2 V = 8.4 V total). The connection follows the typical configuration from the datasheet: VC5–VC4A…

  • BQ76905: Cannot communicate via I2C between STM32L5xx and BQ76905.

    TI Thinks Resolved
    Part Number: BQ76905 Tool/software: Hello, I am trying to establish communication via I2C with the BQ76905 and the STM32L5xx Series. I have initalised the I2C1 line via CubeMX and am now trying to read cell voltages from the IC. I am using the functions…
    • Answered

  • BQ76905: Individual analog output when overcurrent event occurs

    Resolved
    Part Number: BQ76905 Hello team, Is BQ76905 able to configured to output alert from an individual pin when overcurrent event occurs? This setting must be required in customer system. Best regards, Shotaro
    • Resolved

  • BQ76905: Alert Pin Connection Issue

    Part Number: BQ76905 In the example schematic, the ALERT pin is not connected to the MCU. Is this correct, or is it an error?

  • BQ76905: I2C clock input rise/fall time requirements

    TI Thinks Resolved
    Part Number: BQ76905 Hello, The I2C clock input (SCL) has rise/fall time requirements. This input should be a schmitt trigger input so I don't understand why this input has rise/fall time requirements. Could you explain? Does this requirement really…

  • BQ76905: Schematic review for 2S2P Li-ion battery pack

    Part Number: BQ76905 Other Parts Discussed in Thread: BQ25792 Hello, I am currently designing a 2S2P Li-ion battery pack using the BQ76905. I have now completed the schematic, and before moving to routing I would really appreciate a schematic review…

  • BQ76905: PASSQ register - how to read PASSQLSB, PASSQMSB and PASSTIME

    Part Number: BQ76905 Hello! I want to bring-up BQ76905 and read out PASSQ register and have difficulties as I did not find the process described in DS / TRM or SW manual or in code example. I tried reading sub-command address + offset but…

  • BQ76905: BQ76905 GND connection

    Part Number: BQ76905 Tool/software: Hello, I'm in the design process of a self contained system that is using 2S cells and integrating BQ76905 for protection and management. I'm having a little trouble with where to GND the application part of the…

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