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  • BQ76940: cell balancing timing

    TI Thinks Resolved
    Part Number: BQ76940 We are using bq76940 for passive balancing and we have a situation with the balancing timing. We wish to do balancing for 3 cycles (250ms) and disable balancing for 1 cycle. Our application code executed every 250ms scheduler as the…

  • BQ76940: BQ76940

    Part Number: BQ76940 Hi Ti Team, I am using the BQ7694003DBT BMS IC for battery managment with stm32 microcontroller. I am using the "sluc583" source code.I am reading the cell voltages,pack voltages which is appearing ok. Then i am reading…

  • RE: BQ76940: BQ76940 Cascade BMS

    Hello Bao, I am not sure why the person who made this reference design decided to use 10-uF for these. However, these are too large. We typically recommend to use 0.22-uF for all the cell input capacitors. This is because there can be error in the measurements…

  • BQ76940: BQ76940

    TI Thinks Resolved
    Part Number: BQ76940 Dear Texas Instruments, I want to read the cell voltage using BQ769400DBT BMS IC with help of stm32f105 microcontroller via I2C communication. The link provided by you ( https://www.ti.com/lit/zip/sluc701 ) have BQ769x2Header.h header…

  • BQ76940: BQ76940

    TI Thinks Resolved
    Part Number: BQ76940 Other Parts Discussed in Thread: BQSTUDIO , Hi everyone, I want to read the cell voltage using BQ769400DBT BMS IC with help of stm32f105 microcontroller via I2C communication. In the link ( https://www.ti.com/lit/zip/sluc701 ) have stm32_I2C…

  • BQ76940: The battery voltage measurement has an error of about 10mV

    Part Number: BQ76940 Dear Expert The customer did a calibration before the mass production of BQ76940, and the error of measuring the voltage of the battery is 3-4mV. However, after the customer's product has been charged and discharged once and left…

  • BQ76940: Use 0.47uF on REGOUT pin

    TI Thinks Resolved
    Part Number: BQ76940 Other Parts Discussed in Thread: BQ76930 Hello Sir: We put 0.47uf on REGOUT pin and some products had been shipped to the end customer. Please let us know does their has any side effects on this mistake? And my schematic shows below…

  • BQ76940: Is it available for lithium iron phosphate battery?

    Part Number: BQ76940 Other Parts Discussed in Thread: BQ76200 , BQ76952 , BQ77216 Hi My customer is trying to use BQ76940, for the spec below. Is there any problem using it? -SPEC- 1. Battery: lithium iron phosphate battery 2. Series : 15S 3. cell voltage…

  • BQ76940: B276940

    TI Thinks Resolved
    Part Number: BQ76940 I wanted to Simulate BMS design using P spice for TI and i am Using BQ76940 AS IC so is there spice model available for this IC
    • Answered

  • BQ76940: Is bq76940 compatible bq79600

    Resolved
    Part Number: BQ76940 Other Parts Discussed in Thread: BQ79616-Q1 , BQ78350-R1A , BQ76952 Hi Sir/Madam Is BQ79600 compatible with BQ76940? If answer is not ok, Could you suggest IC P/N which uses in BMU compatible with BQ76940 for energy storage systems…
    • Resolved

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