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  • BQ76920: I2C address

    TI Thinks Resolved
    Part Number: BQ76920 Other Parts Discussed in Thread: BQ78350 Hi TI team, I read in datasheet that I2C address of BQ76920 permanently stored in EEPROM and cannot be further modified. I need TI team verify again that if we have alternative way to change…

  • BQ76920: High Side Charging FET

    TI Thinks Resolved
    Part Number: BQ76920 Hi, For BQ76920, the driver of charging and discharging FETs are low side. For charging FET, we would like to have high side. Can we use Pmos Charging FET on high side and the Charging FET is driven by BQ76920 CHG pin as the attached…

  • 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?

  • BQ76920: Two 3.2V battery support

    TI Thinks Resolved
    Part Number: BQ76920 Other Parts Discussed in Thread: BQ7718 , BQ2947 , BQ2945 Hi Team, I would like to know if BQ7692003 can support 2 cell LifePO4 battery. The 2 batteries with 3.2V nominal voltage will be mounted in series which will be 6.4V in total. The…
    • Answered

  • BQ76920: Clarification required on ALERT and OCD delay

    Resolved
    Part Number: BQ76920 Other Parts Discussed in Thread: BQ78350 Hello , Request you to clarify on below points regarding the BQ76920. What is the sequence of OCD bit set , OCD delay and discharge MOSFET turn off when OCD limit crossed ? If OCD bit is clerard…
    • Resolved
    • 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

  • BQ78350-R1: Undervoltage detection for record a PF after shutdown , used with bq76920 (AFE) and bq76200PW (High-side n-channel FET driver)

    Part Number: BQ78350-R1 Other Parts Discussed in Thread: BQ76920 With bq78350-R1, it's possible to program a cell voltage to shut down the chip and a voltage for the undervoltage Permanent Fail. If the shutdown voltage occurs before the PF voltage…

  • 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…

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