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  • BQ40Z80: No usage of protections features

    Resolved
    Part Number: BQ40Z80 Hello TI Support, I have a 3S Li-Ion battery pack and I would like tu use the BQ40Z80 only for cell balancing and gauging, avoiding protections features (protections are already performed by other components). First of all: is it…
    • Resolved

  • RE: BQ40Z80: Learning cycle procedure values confirmation

    Hello Mohan, It looked like from previous conversations you had completed learning, only one learning cycle is needed to create the golden image. If this is a new battery could you share the log along with the .gg from before and after? Sincerely, Wyatt…

  • BQ40Z80: BQ40Z80 DSG & CHG not working

    Part Number: BQ40Z80 Other Parts Discussed in Thread: BQSTUDIO The below screenshot shows the schematics of the BMS circuit. We are getting I2C communication and is working properly and also able to read the battery & cell voltage. Tested the safety features…

  • BQ40Z80: learning cycle regarding

    TI Thinks Resolved
    Part Number: BQ40Z80 Hello Team , i just started my learning cycle connecting the battery setup to the EVK , my battery cell are Lion cells (3 cells) part number US18650VTC5A so the chemid is 0x2161 .programmed the chemid started the learning cycle. …

  • BQ40Z80: Temperature mode disabling regarding

    TI Thinks Resolved
    Part Number: BQ40Z80 Other Parts Discussed in Thread: BQSTUDIO Hello Team , I am using Bq40z80 for my custom board , there is no temperature sensor , so i just made the Temperature enable configuration as 0 and Temperature mode made it as 0. Let me know…

  • BQ40Z80: Ts2 pin output signal doubt regarding

    TI Thinks Resolved
    Part Number: BQ40Z80 Other Parts Discussed in Thread: BQSTUDIO Hello Team, I am using Bq40z80 for our project , we took the waveform from TS2 to the BQ40z80 ,it shows as pulse attached below , we need to give this signal to our ST microcontroller pin…

  • BQ40Z80: Unable to charge

    TI Thinks Resolved
    Part Number: BQ40Z80 Other Parts Discussed in Thread: BQSTUDIO , BQ24600 Hi TI Team, I'm working around the bqStudio software and the BQ40Z80 chip. I've included some basic protections into the register memory and tested the FET_EN command to give the…
    • Answered

  • BQ40Z80: Battery Chemistry Setup

    Resolved
    Part Number: BQ40Z80 Other Parts Discussed in Thread: BQSTUDIO , GPCCHEM Hi TI Team, We've recently started up with our BQ40Z80 based BMS design and we'd like to start off from setting up the correct battery chemistry. Although the battery that we are…
    • Resolved
    • Answered

  • BQ40Z80: Reset after waking up the chip

    Resolved
    Part Number: BQ40Z80 Hi, I am using the BQ40Z80 chip on my BMS. When I power the BMS, waking up the BQ chip is done by supplying the PACK pin with a voltage over Vstartup. My question is, do I have to send the RESET command to the BQ chip after waking…
    • Resolved

  • BQ40Z80: Problems burning srec files

    TI Thinks Resolved
    Part Number: BQ40Z80 TI Team I encountered the following problems in a recent burning. Please help me answer them. When I burned the srec file, the dashboard fell into the following state when the progress bar ran out. After 30 seconds, the communication…

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