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Showing 1,331 results View by: Thread Post Sort by
  • BQ76940: cell balancing timing

    Electrician
    Electrician
    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…
    • 3 months ago
    • Power management
    • Power management forum
  • BQ76940: BQ76940

    deepak kumar
    deepak kumar
    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…
    • 6 months ago
    • Power management
    • Power management forum
  • RE: BQ76940: BQ76940 Cascade BMS

    Luis H. S.
    Luis H. S.
    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…
    • 6 months ago
    • Power management
    • Power management forum
  • BQ76940: BQ76940

    deepak kumar
    deepak kumar
    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…
    • 7 months ago
    • Power management
    • Power management forum
  • BQ76940: BQ76940

    deepak kumar
    deepak kumar
    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…
    • 7 months ago
    • Power management
    • Power management forum
  • BQ76940: The battery voltage measurement has an error of about 10mV

    Gabriel Wang1
    Gabriel Wang1
    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…
    • 3 months ago
    • Power management
    • Power management forum
  • BQ76940: Use 0.47uF on REGOUT pin

    Statham Su
    Statham Su
    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…
    • 4 months ago
    • Power management
    • Power management forum
  • BQ76940: Is it available for lithium iron phosphate battery?

    David Kim2
    David Kim2
    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…
    • 4 months ago
    • Power management
    • Power management forum
  • BQ76940: B276940

    Siddarth Hudedamani
    Siddarth Hudedamani
    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
    • 5 months ago
    • Power management
    • Power management forum
  • Answered
  • BQ76940: Is bq76940 compatible bq79600

    korcan tuna
    korcan tuna
    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
    • 8 months ago
    • Power management
    • Power management forum
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