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Reprogramming bq20z75 V181......

Dear all,

We have a situation where some BMS which is based on a bq20z75 V181 has been programmed with a wrong Chem file and .gg file by an accident. My questions are:

  • If we  reprogram the bq with the correct  DFI file (the golden image file we have made for bq20z75 V181) - would that be all that has to done to correct the mistake ?
  • The reason for my question is that I have noticed the Expression in some of TI's documentation .... "load a fresh .senc file to Clear hidden constants".......does that mean that to be 100% sure that we have the expected functionality we should reprogram the bq with a fresh 181.senc file first as step no 1, and then load the golden DFI- file as a second step ?

Best regards

Kjell