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bq40z50

Other Parts Discussed in Thread: BQ40Z50, BQ40Z80

we are using the above IC for battery made out of 4 cells ( Model: Cell_A32173128E_50Ah_LFP).
could you please let me know what would be the best way to perform chemical ID?
we are thinking of performing data collection as it would be 25 amps cell, and than scaling it to 50 amps for application.
can you please let us know if this is acceptable or recommend something else?
Kind regards
Isaac

  • Hi Isaac,

    While the bq40z50 doesn't support >29Ah, you can calibrate current at half the rate, ie represent a 50A current as 25A and then perform your chem ID test.

    If you want official support for your cell, the bq40z80 is recommended as it has scaling enabled in it.