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  • BQ78350-R1A: bq78350-r1a communication failure

    TI Thinks Resolved
    Part Number: BQ78350-R1A Other Parts Discussed in Thread: BQ78350 , BQSTUDIO , EV2400 "Hi, I encountered a communication failure between the bq78350-r1a, AFE, and MCU, affecting both I2C and SMBus. We conducted tests and found no physical or electrical…
    • Answered

  • BQ78350-R1A: Recommended End of Line Test for BQ78350 using BQ76930 AFE

    Resolved
    Part Number: BQ78350-R1A Other Parts Discussed in Thread: BQ78350 , BQ76930 , BQ2060A , BQ76930EVM Tool/software: Hello, We recently released a new product using the BQ78350 and BQ76930 AFE. I wanted to see if TI has any recommended End of line tests…
    • Resolved

  • BQ78350-DEVICE-FW: Battery Self-Discharge Anomaly

    Part Number: BQ78350-DEVICE-FW Tool/software: Dear TI, Although we set the self-discharge value of our 10S2P battery to 0.88%, during our 60-hour sleep mode test the battery SOC level Test Start point, DUT screen capture after 60 hours, …

  • BQ78350: BQ78350 Production Failure. Partial SMBus and no VEN pulses.

    Part Number: BQ78350 Other Parts Discussed in Thread: BQSTUDIO Good afternoon, I am analyzing some BQ78350 gauges that failed in production. I have one unit that won't communicate with BQ Studio. It also does not show the pulses on VEN that are…

  • BQ78350: ChemID for sodium cells

    TI Thinks Resolved
    Part Number: BQ78350 Other Parts Discussed in Thread: BQSTUDIO , GPCCEDV Tool/software: Hello, Is there already a ChemID for sodium-ion cells? Specifically for NaFR26700CY? Or a comparable one with similar specifications? Please tell we which…

  • BQ76940: BQ76940 with BQ78350 Companion Controller Calibration Guide

    Part Number: BQ76940 Other Parts Discussed in Thread: BQ78350 , BQSTUDIO , EV2400 , EV2500 Tool/software: Dear TI Team, I am working on a battery management system project using: BQ76940 (battery monitor) BQ78350 (companion controller) Battery…
    • Answered

  • BQ78350-R1A: SMBus signal form without pull-ups

    Resolved
    Part Number: BQ78350-R1A Tool/software: Hi team, I am seeing unreliable SMBus communication with the BQ78350-R1A . The bus lines lack external pull-up resistors in my design, and the oscilloscope captures show significant signal degradation. Specifically…
    • Resolved

  • TIDA-00792: BQ78350+BQ76930+BQ76200 BMS design (TIDA-00792) Current Consumption Issue

    Part Number: TIDA-00792 Tool/software: Hello TI Team, I previously reported an issue through the following link: https://e2e.ti.com/support/tools/simulation-hardware-system-design-tools-group/sim-hw-system-design/f/simulation-hardware-system-design…
    • Answered

  • BQ78350-R1A: BQ78350-R2 - what will be a good calibration cycle?

    Resolved
    Part Number: BQ78350-R1A Other Parts Discussed in Thread: BQ76930 Tool/software: Dear all, I have a battery using the bq76930+bq78350-R2 bundle. the product is typically charged, and once in a while, being discharged, but not to 0%. this means…
    • Resolved

  • 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…

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