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BQ40Z50: Differences between fuel gauges

Martin Sauer
Prodigy 150 points
Part Number: BQ40Z50
Other Parts Discussed in Thread: , BQ40Z80, BQ41Z50

Tool/software:

Hi,

what are the differences between theese fuel gauge devices?

  • BQ40Z50
  • BQ40Z50-R2
  • BQ40Z80
  • BQ41Z50

When will be BQ41Z50 available?

Thank you for your help.

BR

martin

  • +1
    TI__Mastermind 37761 points

    Hello Martin,

    BQ40z50 and BQ40z50-R2 are the same hardware, but with different firmware. Here is a document that talks about the changes in the FW: https://www.ti.com/lit/an/slua833/slua833.pdf

    BQ40z80 is similar to the BQ40z50, but can support up to 6 cells in series (bq40z50 supports up to 4 cells in series)

    BQ41z50 is a device that supports up to 4 cells in series and will include our newest gauging technology DZT.

    Regards,

    Adrian