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TPS65910: Footprint, 48VQFN, Offset Power Pad

Kelly Bullard28
Prodigy 115 points
Part Number: TPS65910


Referring to spec sheet TPS65910, page 105, it shows quad flat pack power pad offset from the center-line of the part and on the next page shows the footprint dimensions with an offset power pad also. I cant imagine this is correct as it seems the surface tension at re-flow would be acting upon the part to pull it out of alignment. Can you please let me know if this spec is in fact correct and if I should build my footprint asymmetrically?

-Kelly

  • 0
    TI__Mastermind 30310 points
    Hello, thank you for posting your question on the TPS65910 in the e2e forum. Your thread has been assigned to the expert within TI, who will reply to your question as soon as possible and attempt to resolve your issue.
  • 0
    TI__Genius 10000 points

    Kelly,

    The thermal pad is correctly drawn in this datasheet. There is a nominal distance of 1.2mm on the right and bottom edges to the thermal pad and a nominal distance of 0.75mm on the top and left edges to the thermal pad. (This is considering pin 1 is at the top left corner.)

    Thanks,

    Nastasha