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  • BQ769142: BQ769142 wake up issue in sleep mode

    Part Number: BQ769142 Hi Team, Have a good day! My customer meets a technical issue about BQ769142. The project is 48V BMS in E-Bike. When we set both MCU and BQ769142 in sleep mode, it happens that the BQ769142 will wake up several times in one minute…

  • BQ769142: BQ769142: Coulomb Counter query

    TI Thinks Resolved
    Part Number: BQ769142 Hi I have two query need your help. According to the TRM Table 4-6. Assuming that userA is 1mA, a total of 10.7mah is used 1. After DASTATUS6() subcommand is issued, will there be a difference of + 10 or - 10 between 0-3 bytes due…

  • BQ769142: BQ769142 hardware connection and I2C software issue

    TI Thinks Resolved
    Part Number: BQ769142 HI Team, Nice to talk with you! My customer has two questions about BQ769142. 1.When the circuit connection as above: The sampling result is that the first 9 strings have correct values. However, the 10th string is on the VC16 and…

  • BQ769142: Will BQ769142 support cascade option?

    TI Thinks Resolved
    Part Number: BQ769142 Other Parts Discussed in Thread: BQ76952 Hi TI Expert, We are planning to build a BMS with 24 Lifepo4 cells in series. BQ769142 supports till14 Cells. I wanted to know weather BQ769142 can be used in two cascaded configuration and…

  • BQ769142: BQ769142 discharge current 2A-5A back and forth jump

    Part Number: BQ769142 Hi The customer design with BQ769142, 8 series 60AH batteries are used. The voltage and current scales are both 10. The log data as below. It is a process from charging 5A to discharging 3A. From the data, it can be seen that the…

  • RE: BQ769142: The difference regarding the IIC communication between BQ769142 and BQ76952

    Hello Luis, Luis H. S. said: What are they using to read the BQ76952/BQ769142? bqStudio or their own MCU? They are using MSP430F5522 to read BQ769142, BQ769142's CommType=0x11, and have enabled IIC CRC. Thanks and regards, Cherry
    • Answered

  • BQ769142: Stacking BQ769142

    Resolved
    Part Number: BQ769142 The BQ769142 IC has Stackable (built-in interface) as part of its feature, yet there is no mention on how to stack two ICs for higher cell count. It is not possible using this IC alone? Can I stack only be referring to this How to…
    • Resolved
    • Answered

  • RE: BQ769142: Request of functional safety related documentation

    Resolved
    Hi Stuart, You can also contact our customer support center here: https://ticsc.service-now.com/csm/?_ticdt=MTY1MzQ5OTM3N3wwMTgwZGQ3Mzk4YTkwMDE5ZWFkMDRmYjU2NmNjMDUwNzMwMDZjMDZiMDBiZDB8R0ExLjIuOTQ5NDUxMDkyLjE2NTI5ODI3ODI Thanks, Shawn
    • Answered

  • BQ769142: Is there a Reference Library in C / C++ for interfacing to the BQ769142 from a Microcontroller.

    Resolved
    Part Number: BQ769142 Other Parts Discussed in Thread: BQ76952 Hi, I have been working with the BQ769142 for a few weeks now, Is there a Reference Library for communicating to this chip in C / C++ ? Thanks Alex Eastabrook
    • Resolved

  • BQ769142: Sub-command read and OTP programming issue

    TI Thinks Resolved
    Part Number: BQ769142 Other Parts Discussed in Thread: BQSTUDIO Hi team, Here's an issue from the customer may need your help: 1) The device is set to NOCRC. The customer want to read COV Threshold, write 0X78 to 3E via BQStudio, and write 0x92 to 3F…

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