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  • BQ76930: BQ76930 + BQ78350-R1A OCC & COV Error

    Part Number: BQ76930 Other Parts Discussed in Thread: BQSTUDIO , BQ78350-R1A , EV2400 , TIDA-00449 I am experiencing continuous events of OCC and COV errors with my BMS design. For reference I followed the TIDA-00449 circuit design document using BQ76390…

  • BQ76930: BQ76930

    Part Number: BQ76930 Tool/software: Hello, Can BQ76930 withstand 100V for 50ms? It is specified as High supply voltage absolute maximum (up to 108 V) in the datasheet. Best Regards,

  • BQ76930: I2C Error : Not acknowledgment Error from the BQ76930

    Part Number: BQ76930 Tool/software: I have design the 4 Cell 10A Non-Smart BMS using BQ76930 IC, for the basic Protection when i wanted to change the internal register value using I2C by connecting ESP32. Then get the Non Acknowledgement error from the…

  • BQ76930: Chip Malfunction

    Part Number: BQ76930 I am currently using the BQ76930 to design a 6-series supercapacitor protection and management PCB (the schematic has been provided), and I have encountered some technical issues. Here is my interpretation of the schematic: 1. The…

  • BQ76930: BQ76930 BMS Design

    Part Number: BQ76930 Tool/software: Hello, I am working on the BMS design of a 10S battery pack, but since BQ76930 needs a mcu and the TIDA00449 reference design feeds the mcu via the REGOUT pin, it does not need a buck converter structure to reduce the…

  • BQ76930: BQ76930 & BQ78350 R1-A BMS Design using SMBus for 8S1P configuration

    Part Number: BQ76930 Tool/software: Could someone review my BMS design and give feedback please. I was hoping to achieve an 8S1P configuration, focusing on the SMBUS circuit so it doesn't get impacted by heavy current draw and voltage drops under…

  • BQ76930: BQ76930 – Cell Voltage Readings Stuck at Incorrect Fixed Values

    Part Number: BQ76930 Other Parts Discussed in Thread: BQ78350-R1 , , EV2400 Tool/software: Dear Texas Instruments Support Team, I am working on a battery management system using the BQ78350-R1 and BQ76930. I’m currently encountering an issue where the…

  • BQ76930: Internal LDO failure

    Part Number: BQ76930 Hi, We are using the BQ7693001DBT AFE in conjunction with the BQ78350DBT-R2 gas gauge chips for managing a 9 cell, 2.5Ah battery. The system, while complex, suits our needs well and has worked reliably for several years now. However…

  • BQ76930: Technical Clarification on REGSRC Diode and Parallel Resistor Recommendation

    TI Thinks Resolved
    Part Number: BQ76930 Hi Experts, I have a question regarding the REGSRC pin implementation on “BQ769x0 Family Top 10 Design Considerations”. In the REGSRC section, it is recommended to use a diode in the supply path and to place a resistor in parallel…

  • BQ76930: REGOUT problem

    Part Number: BQ76930 Tool/software: Hi, I´ve a problem with an own design. Most PCBs are running, but sometimes we have a PCB where the REGOUT voltage goes down after 5-10 seconds. Any idea? Best regards, Achim

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