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  • TIDA-00449: About the BQ796x0 I2C baudrate

    Resolved
    Part Number: TIDA-00449 Other Parts Discussed in Thread: BQ76930 , , TIDA-010208 , BQ76952 , BQ76940 , BQ76942 Dear Expert, In TIDA-00449 firmware, the BQ76930 baud rate is 80KHZ, in the BQ769x0 datasheet in page 16: Fscl clock frequency from 0-100kHz, in…
    • Resolved

  • BQ76930: BQ76930 IC pins VC1 /VC10 cell monitoring damaging while using in tida-00449 reference design pcb

    Part Number: BQ76930 Other Parts Discussed in Thread: TIDA-00449 , CSD13381F4 , BQ76920 , , BQ76940 I am using tida-00449 reference design pcb for testing 10s bms. It is found that first(VC1)/last(VC10) cell monitoring channels damaging and showing 0Volt…

  • CCS / TIDA-00449 : Flowchart of TIDA-00449

    TI Thinks Resolved
    Part Number: TIDA-00449 Other Parts Discussed in Thread: BQ76940 Tool/software: Code Composer Studio I am drawing the whole flow chart by referring to the flow chart on the DATASHEET. Are there any additional resources I can refer to? Also, is there…

  • BQ76930: DSG fet burnout and 1V gate drive

    Part Number: BQ76930 Other Parts Discussed in Thread: BQ78350-R1A , , BQSTUDIO , TIDA-00449 Tool/software: Hi Team, As mentioned in our previous thread, we’re facing a recurring issue with the BMS design based on the BQ76930 and BQ78350-R1A. Initially…
    • Answered

  • CCS/TIDA-00449: Can't connect TIDA-00449 with the MSP-EXP430G2ET, Unknown device

    Resolved
    Part Number: TIDA-00449 Tool/software: Code Composer Studio Hello, I have connected the SBWTDIO, SBWTCK, 3V3 and GND pins from the MSP430 launchpad to the TIDA-00449 board. When I try to flash the given firmware on the board I get "MSP430: Error connecting…
    • Resolved
    • Answered

  • BQ76930: I am using tida-00449 ,I applied heat in TS1,TS2 thermistor from soldering iron but the bms does not disconnect in charge condition what is the reason?

    Resolved
    Part Number: BQ76930 Other Parts Discussed in Thread: TIDA-00449 , LMT01 I am using tida-00449 ,I applied heat in TS1,TS2 thermistor from soldering iron but the bms does not disconnect in charge condition what is the reason?
    • Resolved

  • TIDA-00449: 10S BMS with Battery fuel gauging

    TI Thinks Resolved
    Part Number: TIDA-00449 Other Parts Discussed in Thread: BQ34Z100-G1 Hello! I´ll start developing a 10S BMS for an eBike. The TIDA-00449 it looks to be exactly what I need. Is it possible to implement Battery fuel gauging on TIDA-00449. Do I need…

  • TIDA-00449: A few questions about this design.

    Part Number: TIDA-00449 Other Parts Discussed in Thread: BQ76930 Hi experts, I'm designing my BQ76930 battery packet board refering to this TI ref design. I have a few questions about this design, please kindly help guide. 1. Is this D15 for ESD protection…
    • Answered

  • TIDA-00449: How to calculate ISENSE current on MCU?

    Resolved
    Part Number: TIDA-00449 Other Parts Discussed in Thread: BQ76930 I can't find any codes of calculating ISENSE on the firmware. it has just the code to read ISENSE. Anyone, please let me know how to calculate ISENSE. The part of TIDA00449's schematic…
    • Resolved
    • Answered

  • TIDA-00449: Transistors Q17 and Q18

    Resolved
    Part Number: TIDA-00449 Hello, In file: https://www.ti.com/lit/df/tidrht7/tidrht7.pdf?ts=1593280166739&ref_url=https%253A%252F%252Fwww.ti.com%252Ftool%252FTIDA-00449, it seems to me that both transistors Q17 and Q18 should be inverted (drain and…
    • Resolved

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