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  • BQ20Z80-V102: Determining accuracy and resolution of Current and Voltage measurements. (16bit ADC)

    Resolved
    Part Number: BQ20Z80-V102 Tool/software: It seems like the BQ2 chip has two ADCs: -One to measure voltage across the sense resistor and convert to current. -Another one to measure Pack Voltage and Temperature I know one component of determining resolution…
    • Resolved
    • Answered

  • BQ20Z80-V102: issues. Led1 always lit. Chip crashes during calibration.

    Resolved
    Part Number: BQ20Z80-V102 Other Parts Discussed in Thread: BQ20Z80 , EV2400 , BQ40Z50 , BQ20Z80-V110 , BQEVSW , Good day TI, I'm trying to bring up a battery pack using the bq20z80, using the software linked here: https://e2e.ti.com/support/power-management…
    • Resolved

  • BQ20Z80-V102: Issues communicating with bq20z80

    TI Thinks Resolved
    Part Number: BQ20Z80-V102 Other Parts Discussed in Thread: BQ20Z80 Has anyone had any issues communicating with the bq20z80 or similar part? We are trying to program some parts for a customer and we created a board with a socket that just targets the SMBUS…
    • Answered

  • BQ20Z80-V102: Need BQEVSW for bq20z80

    Resolved
    Part Number: BQ20Z80-V102 Other Parts Discussed in Thread: BQ20Z80 , BQEVSW hi, I have downloaded the software thats linked to the bq20z80 page on the TI site and the software is only for the bq30z554. I start it up and I can not target the bq20z80. Can…
    • Resolved

  • BQ20Z80-V110: Moving from version V102 to 110

    Part Number: BQ20Z80-V110 Other Parts Discussed in Thread: BQ20Z80 , BQ20Z80-V102 , BQEVSW , BQ40Z50-R1 Hi, A couple of years ago I developed a battery testing system using bq20z80. My customer is still using it but has problems replacing failing BQ20z80EVM…
    • Answered

  • Possible mismatch in subclass 60 length in doc and real life, bq20z80 v102

    Resolved
    Other Parts Discussed in Thread: BQ20Z80 Hi, While exploring DataFlash in bq20z80 v102 I have found out that reading subclass 60 returns 6 bytes of data. Documentation SLUU241A – March 2006 – Revised May 2006 page 196 states - it is 4 bytes long.…
    • Resolved
    • Answered

  • BQ20Z80A-V110: Comm Register, firmware version and 5kΩ pull-up questions

    Resolved
    Part Number: BQ20Z80A-V110 Other Parts Discussed in Thread: BQ20Z80-V102 Hello, My customer had three questions about the BQ20Z80ADBT device: Can we have access to the AFE comm register (or afe_fail count register) to know the number of communication failures…
    • Resolved

  • BQ20Z80 firmware updates...

    Other Parts Discussed in Thread: BQ20Z80-V102 , BQEVSW Hello. I have a customer that is inquiring if the only difference between the BQ20Z80-V102 and -V110 is firmware and can they update the firmware themselves in-house. I've seen an older post that…
    • Answered

  • BQ20z80 "back-rev" firmware

    Resolved
    Other Parts Discussed in Thread: BQ20Z80-V102 , BQ20Z80-V110 My customer cannot obtain BQ20z80-v102 but can obtain BQ20x80-v110. Is it possible to program BQ20z80-v110 with -v102 firmware as an intermediate solution? If so - where can they obtain the old…
    • Resolved

  • Re: EV2300 end of line tester

    Jackie, We currently read the flash and write the ROM file to disk using TI VB software for bq20z80 V102 chips. We attempted to do the same thing with V110 chips but we get an (80) Permanent Failure which we can clear. Are the V102 vs V110 start…

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