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  • 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…
    • 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

  • 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

  • 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…

  • RE: BQ769142: BQ769142: Recovery from OCD

    Hi Hamzeh, This is still not normal. Can you please go ahead and send your settings? It would also be good if you could capture the behavior you describe on the CHG pin with a scope along with PACK+ and DSG to show when the event occurs. Thanks, Matt …

  • RE: BQ769142: BQ769142: short circuit test

    Thanks, after replying by Math and having more test and study, I explained the issue with more details in below thread:. As far as I understand, there is no good solution for short circuit.... e2e.ti.com/.../bq769142-short-circuit-and-damaged-bms
    • Answered

  • BQ769142: BQ769142: I2C write problem

    Resolved
    Part Number: BQ769142 Hello, I have a BQ769142 connected to a MCU by I2C. First, I could read direct values (cell voltages, die temperature,...) without any problem. However, when I want to write to the device, I noticed that I can't even write to direct…
    • Resolved

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