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Original question:

AM625: Absolute maximum ratings required for VDDS_DDR pin

TPS65219: derating analysis is failing

Premalatha Royappan
Intellectual 910 points
Part Number: TPS65219

hi

We are using this part 'TPS6521902RHBR in our design for which we are performing derating analysis. For VCC pin, its failing for our load current of 0.9A,as per the attached document. Kindly advise if there are any other parameters which needs to be corrected to pass the derating analysis.

derating_pmic.xlsx

  • 0
    TI__Mastermind 22066 points

    Hi,

    Thank You for using E2E! Could you please clarify what is "VCC" in your schematic so we can understand if it comes from one of the PMIC rails or from an external discrete? If you could also provide us with the information on how the derating analysis is being performed that would be very helpful.  

     

    Thanks,

    Brenda