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  • BQ76930: BQ76930 abnormal current sampling

    Part Number: BQ76930 Hi The customer design with BQ76930. When the battery pack is fully charged (100%), repeatedly plug in and out the adapter for charging and discharge. The battery is repeated low current charging and discharge about more than 1000…

  • BQ76930: Single channel power consumption

    Part Number: BQ76930 Hi team, My customer has been using BQ76930 in a while. Recently they found that the single channel power consumption will be up to several uA. But in their older project , the power consumption is less than 1uA. They didn't change…

  • BQ76930: shows Undervoltage after assembly

    Part Number: BQ76930 Other Parts Discussed in Thread: BQ76940 Dear Sir or Madam, I have the following problem. We have an end customer who assembles batteries with our printed circuit boards. This is a 10S2P battery. On the PCB there is a BQ76930 and the…

  • BQ76930: 20cells use case issue

    Part Number: BQ76930 Hi team: My customer use 2 pcs BQ76930 to make 20cells battery pack. During ambient environment test, we found the high 10 series cells have higher 20~30mV than lower 10 series cells. Here attached the test GUI data and SCH, can you…

  • RE: BQ76930: The ALERT pin always says high

    Hi Jie, There must be something wrong on the hardware or some noise causing this issue. Check these previous threads for help on debugging this issue: https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/927033/bq76940…

  • BQ76930: about the BQ76930 read CC and change to current

    TI Thinks Resolved
    Part Number: BQ76930 Dear TI expert, in SLUSBK2H file in page 23, CC is coulomb counter, The unit of coulomb is 1A * 1S，My understanding of ALWAYS ON and 1-SHOT is as follows In ALWAYS ON mode, Read once every 250ms, and then accumulate the values in 1…

  • RE: BQ76930: OVRD fault gets triggered on inrush load

    Hi Kelwin, This work-around seems perfectly reasonable - this is the best you can do if preventing the OVRD error is not possible. Preventing the OVRD error might involve a system design modification like adding pre-discharge circuitry to the board -…

  • BQ76930: How to calculate the Rdrian in BQ76930 REGSRC circuit?

    Part Number: BQ76930 Other Parts Discussed in Thread: TIDA-00449 Hi team, I am writing to ask a question about how to calculate the Rdrian in BQ76930 REGSRC cirtui? I noticed we have a detailed explanation of how the circuit works in BQ769X0 family Top…

  • BQ76930: + BQ78350 pack discharged too deep

    TI Thinks Resolved
    Part Number: BQ76930 Other Parts Discussed in Thread: BQ78350 , BQ78350-R1A Hello, We have a bms designed by our battery manufacturer protecting a 7s lithium battery. When we left the pack just lying for a couple months we noticed it have self discharged…

  • BQ76930: Discrepancy in Maximum internal cell balancing current Icb value

    TI Thinks Resolved
    Part Number: BQ76930 Other Parts Discussed in Thread: BQ76920 , , BQ76940 Hi, I observed that Max Icb value is 70mA for BQ76920 and 5 mA for BQ76930 & BQ76940 (Page No 8 in the datasheet ). I just wanted to confirm if this values are correct. But then…

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