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TPS6594-Q1: Functional safety manual inquiry

Part Number: TPS6594-Q1

Tool/software:

Hi colleagues,

My customer are wondering:

how can we meet this requirement show below?

Currently, in our code, we check these registers value and compare the value with the given value show below to meet this requirement.

 

However, we found that, on our new board, the value of NVM_CODE_2 in PMIC is changed to 0x5. This caused us to have to change our code to meet the new NVM setting ID checking.

We also want to know that, Do these values vary depending on the PMIC of different production batches? Will them change frequently?
If yes, how can we better meet the requirement mentioned above?

Best Regards.

Stanley Xu

  • Hi Stanley,

    It is quite rare there happens NVM revision update after release of device but if that happens there should be PCN in place to inform customer. 

    The current user's guide for TPS6594133A revision 5 will be released in these days. From now on revision will stay at 5. 

    Br, Jari