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BQ27421-G1: Code compatibility with BQ27441-G1A

Part Number: BQ27421-G1

Hi all,

I have implemented my design with the BQ27441-G1A but would like to change this to the BQ27421-G1 as it is a smaller part and has the integrated sense resistor. I was wondering if the I2C code would work directly with the BQ27421-G1 from my original BQ27441-G1A  implementation?

Anything i should lookout for?

Regards,

Zoran

  • hi Zoran,

    You will want to look at the register addresses your host addresses on the bq27441 and compare that to the bq27421 to ensure nothing changed. Most of them wil be the same, but you will want to perform a sanity check to verify they are the same.

    thanks

    Onyx