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  • BQ79656-Q1: BQ79656-Q1: Issue with communication between the MCU and BQ79656-Q1 AFE

    TI Thinks Resolved
    Part Number: BQ79656-Q1 Other Parts Discussed in Thread: BQ79616 Hi, I am working on a custom Battery Management System (BMS) using STM32L476RG as the MCU and BQ79656‑Q1 as the AFE. I initially validated the MCU side by testing the on‑board LEDs…

  • BQ79656-Q1: BQ79656-Q1 New Design Related Questions

    TI Thinks Resolved
    Part Number: BQ79656-Q1 Other Parts Discussed in Thread: BQ79616-Q1 Hello, We are currently developing a new 24S Li-ion Battery Management System for EV/E-bike applications and are evaluating the BQ79616-Q1 and BQ79656-Q1 device family. We would…
    • Answered

  • BQ79656-Q1: Request for Functional Safety Manual and Secure Resources for BQ79656-Q1

    Resolved
    Part Number: BQ79656-Q1 Hello, We are currently developing a lead-acid battery monitoring system for industrial UPS and rectifier applications. This device is being reviewed for a 2V 16-channel lead-acid battery cell monitoring architecture. In this…
    • Resolved
    • Answered

  • BQ79656-Q1: BMS architecture review for lead-acid battery monitoring using BQ79656-Q1, ADS8688, and TI MCU

    Resolved
    Part Number: BQ79656-Q1 Other Parts Discussed in Thread: BQ79600-Q1 , ADS8688 , MSPM0G3507-Q1 , TM4C1294NCPDT , BQ79731B-Q1 Hello TI E2E Support Team, My name is Jung Deuk-keun, President of TwinRISLab Inc. We are developing a BMS for lead-acid battery…
    • Resolved

  • BQ79656-Q1: Question about BQ79656-Q1

    TI Thinks Resolved
    Part Number: BQ79656-Q1 Other Parts Discussed in Thread: BQ79616-Q1 Tool/software: Dear TI experts, My customer considers BQ79656-Q1 for their new project, 48V BMS system. And they asked some questions. Could you check it? 1. Is it possible to use…

  • BQ79656-Q1: Random Junk Values in Cell Voltage and Temperature Readings

    Part Number: BQ79656-Q1 Other Parts Discussed in Thread: USB2ANY Hi TI Team, I wanted to follow up on this ( https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1492693/bq79656-q1-bq79656-random-junk-values-in…
    • Answered

  • BQ79656-Q1: BQ79656 Design – Need Alternate for HMU1228NL Transformer

    Resolved
    Part Number: BQ79656-Q1 Other Parts Discussed in Thread: BQ79616-Q1 Dear TI Experts, I recently completed the design of the BQ79656 board. Before starting the design, I had checked the availability of the required components online and found everything…
    • Resolved

  • BQ79656-Q1: Power Rails Dropping During Runtime – Unable to Establish UART Communication

    Part Number: BQ79656-Q1 Other Parts Discussed in Thread: BQ79616-Q1 , USB2ANY Hi, I am currently working on a custom BMS board using the BQ79656-Q1 with an STM32L476RG MCU. Our design monitors a 32-cell stack , using two BQ79656-Q1 devices in a daisy…
    • Answered

  • BQ79656-Q1: How to design the V/I sensing Pin protection for BQ79656 (Zener/TVS)

    Resolved
    Part Number: BQ79656-Q1 Hi, TI Designers. I am designing an automotive BMS(Battery Management System) using the BQ79656 IC. For protection of the IC, I am considering using Zener diodes or TVS diodes on the shunt battery current sensing and voltage…
    • Resolved

  • BQ79656-Q1: Question about using Isolator at UART port between MCU and BQ79656-Q1

    Part Number: BQ79656-Q1 Tool/software: Hello, My customer are considering to use BQ79656-Q1 and ask some questions about using Isolator at UART port between MCU and BQ79656-Q1. About using Isolator at UART port between MCU and BQ79656-Q1, should…

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