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Original question:

TCA9509 Exposed thermal pad

TCA9509: Thermal pad drawings

Hans
Genius 12865 points

Part Number: TCA9509

Hello Team,

the mechanical drawings in the TCA9509 data sheet are a bit confusing:

- Page 20 and 21 (bottom view) show the pad with its dimensions, but on page 20 center drawing (side view) the pad is not visible:
  

- On Page 22 the board layout does not include the pad!

When will we see an updated data sheet with example board layout / stencil design including the pad as partly documented in the e2e post below, please?

https://e2e.ti.com/support/interface/f/138/t/530810?tisearch=e2e-sitesearch&keymatch=tca9509

Thanks and Best Regards,

Hans

  • 0
    TI__Guru* 79741 points
    Hey Hans,

    I will look into this for you. I'm not 100% sure on the process to update the mechanical drawings at the end of the datasheet and will need to ask around. I suspect trying to go through these changes will take a bit of time though.

    Thanks,
    -Bobby
  • 0 in reply to BOBBY
    TI__Guru* 79741 points
    Hey Hans,

    One of my colleagues was able to get the changes through the pipeline. The thermal pad drawings should be online now.

    Thanks for letting us know we were missing the pad.
    -Bobby