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  • BQ76920: BQ76920 EVM

    TI Thinks Resolved
    Part Number: BQ76920 What is normal position of BOOT Switch in the EVM? What to do if you have to remove the BOOT switch? Is there a provision to operate the EVM without BOOT switch?
    • Answered

  • BQ76920: BQ76920 boot switch alternatives

    Resolved
    Part Number: BQ76920 Hello everybody, I am testing a board with the components : BQ7692003 and BQ78350DBT, I made a first version of it, with the boot switch linking VC1 to TS1 and it worked well, but for now I needed to change it and adopt a boot switch…
    • Resolved

  • BQ76920: BQ76920 balance issue

    TI Thinks Resolved
    Part Number: BQ76920 Hi The customer design with bq76920, the problem is when enable balance, the battery voltage does not change. The command as below: Registers.CellBal1.CellBal1Bit.CB1 = ON;. WRITECELLBAL1() How to confirm the balance is turn on? Please…
    • Answered

  • BQ76920: Top Cell Voltage Monitoring Problem

    Resolved
    Part Number: BQ76920 Hi Team, Would you kindly help with the issue below? In the image below, the customer wasn't able to sense or monitor the topmost cell voltage which is shown at the VC5 pin. If this IC is used for 4S schematic & provides a total of…
    • Resolved
    • Answered

  • BQ76920: How to boot without switch button in high-side configuration

    Resolved
    Part Number: BQ76920 Other Parts Discussed in Thread: TIDA-00792 Good afternoon, I want to make a schematic using a BQ76920 but I am in high-side FETs configurations, I saw on the "bq769x0 Boot Switch Alternatives" a way to do that but it's using an…
    • Resolved

  • BQ76920: Under-voltage issue

    TI Thinks Resolved
    Part Number: BQ76920 Hi team, Here's an issue from the customer may need your help: Use the gauge to do a 4-string protection board. Shorted 4 and 5 strings. When power is applied, the alert pin reports an undervoltage error. But the voltage capture…

  • RE: BQ76920: Load detect functionality in BQ76920 based 4S

    Hi Govinda, In theory, the schematic you provided earlier will work for the function you are describing. The designs provided in the application note have been tested, so this is why I recommend them. Figure 2 provides a general schematic framework, so…
    • Answered

  • BQ76920: OCD Delay Exceeds Max Spec?

    Resolved
    Part Number: BQ76920 Hi, We are using the BQ7692003 battery monitor chips in our smart battery design. We've built a rig that tests if chip voltage and current protections on every PCB trigger respecting the nominal protection thresholds and delays plus…
    • Resolved
    • Answered

  • BQ78350: BQ78350+BQ76920 connect MCU problem

    Resolved
    Part Number: BQ78350 Other Parts Discussed in Thread: BQ76920 , , Hi The customer design with BQ78350+BQ76920. They used BQ76920+BQ78350 with five 18650 batteries in series. When the battery pack is connected to the main board, it is easy to burn out the…
    • Resolved

  • BQ24630: BQ24630 charge with BQ76920+BQ78350 then burn out

    TI Thinks Resolved
    Part Number: BQ24630 Other Parts Discussed in Thread: BQ78350 , BQ76920 , Hi The customer design with BQ24630 to charge BQ78350+BQ76920. They found it is easy to burn the BQ24630 and its peripheral components. BQ76920+BQ78350 battery management board is connected…

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