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  • BQ76942: REGIN and BREG

    Resolved
    Part Number: BQ76942 Other Parts Discussed in Thread: TIDA-010247 Hi, According to TIDA-010247 ref design REGIN input received voltage from B+ (the topmost battery) through transistor-based voltage converter circuit. Why not to take voltage from betwee…
    • Resolved

  • RE: BQ76952: Cell 1 data issue occasionally while start of charging

    Hello Shyama, The Cell1() behavior only occurs during SLEEP mode. Please share the whole schematic. Have you referenced to the TIDA-010247 reference schematic? They showcase a Zener and a Schottky diode in Cell0. The Zener protects the pin from high voltages…

  • BQ76952: Design Stackable BMS using TWO BQ76952 IC. Need you support to remove LD Pin Circuit.

    TI Thinks Resolved
    Part Number: BQ76952 Other Parts Discussed in Thread: TIDA-010247 Dear TI team, I am designing 24S BMS using your reference design TIDA-010247, I don't want to use the LD pin circuit mentioned in your design ref some requirement issue. So can tie the…
    • Answered

  • BQ76952: AFE Overheating during adjacent cell balancing

    Resolved
    Part Number: BQ76952 Other Parts Discussed in Thread: TIDA-010247 Hello, We are using stacked bq76952 configuration as per TIDA-010247 reference design. Up until now we've been balancing alternate cells, recently we decided to use the adjacent cell balancing…
    • Resolved

  • LM5163: Buck IC fails sometimes during hot plug

    Part Number: LM5163 Other Parts Discussed in Thread: BQ76952 , TIDA-010247 Hello everyone! We have developed a BMS with 2 BQ76952 ICs, using the TIDA-010247 reference design. We are using LM5163 IC as a buck converter for the supply. We have observed that…

  • RE: BQ76952: Using on separate CFET/DFET application

    Hi Statham, See this application report for using separate charge and discharge paths with the BQ769x2 family: https://www.ti.com/lit/an/slua952/slua952.pdf It looks like they are trying to stack 2 devices in the schematic? This is very challenging. There…
    • Answered

  • RE: BQ76940: Is bq76940 compatible bq79600

    Resolved
    Hi KT, BQ79600 is only compatible with battery monitors from the BQ79616-Q1 family. Are you needing to stack multiple battery monitors for your application? If so, the BQ76940 might not be the best choice for this specific application - many users stack…
    • Answered

  • RE: [FAQ] BQ76942: Stacking solutions for BQ769x2

    Resolved
    Yes, we do! Currently, TI has a technical article for stacking BQ769x2 devices with low-side FETs and a reference design for stacking BQ769x2 devices with high-side FETs. These stacking configurations can be used to achieve higher cell count BMS solutions…
    • Answered

  • RE: BQ76952: External N-channel FET balance current low for VC16

    Resolved
    Hello Harry, A major issue I see in the schematic is the Cell Connections. The BQ76952 supports random cell connection, but there are some restrictions. Pins VC0, VC1, VC2, VC15 , and VC16 require a real cell attached. More of this HERE The VC16 input does…
    • Answered

  • RE: [FAQ] BQ76952: Are there reference designs available for the BQ769x2 battery monitors?

    Resolved
    Yes, there are reference designs available using the BQ76952. Here are the links: https://www.ti.com/tool/TIDA-010208 https://www.ti.com/tool/TIDA-010216 https://www.ti.com/tool/TIDA-010247 You can always check back for new TI Reference Designs in the…

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