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UCC14131-Q1: Request for Schematic Review

Tom Tsao
Expert 1850 points
Part Number: UCC14131-Q1

Tool/software:

Dear TI support team,

I would like to request your assistance in reviewing the schematic for the design to ensure it is implemented correctly.

Thanks!

  • +1
    TI__Mastermind 32975 points

    Hi

    1. Place 0.1μF cap at VIN-to-GNDP. Use 0402 placed as close to the IC pins as possible
    2. Place 0.1μF cap at VDD-to-VEE. Use 0402 placed as close to the IC pins as possible
    3. Do not short RLIM to VDD. Either do not install R15 or else make 1kΩ
    4. R189 and C130 are low side FB components and they are intended to make a direct connection to pins 35/36
      1. Refer to the UCC14131 EVM UG
      2. Refer to the UCC14341 Excel Design Tool and there is a tab for single output configuration
      3. Figure 12-4 in the data sheet

    Steve