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TPS7A16-Q1: which package/pad size should customer use

Manu Chang
Intellectual 1980 points
Part Number: TPS7A16-Q1

Tool/software:

Hi expert,

My customers noticed there are 2 version of package info in the 7A16-Q1's datasheet. which one should they refer to when drawing the PCB? Any reasons for have two example layouts?

BR,

Manu

  • +1
    TI__Expert 5040 points

    Hi Manu,

    The part may ship with either the DGN0008B or DGN0008C package variant. If you look on the bottom the thermal pad will be slightly different between some chips. At the moment it appears that we are currently using the DGN0008C only on the fixed 3.3Vout part, but this is not necessarily guaranteed over future manufacturing flow. When in doubt, the mask thermal pad opening size on the DGN0008B layout is slightly larger, and oversoldering (using DGN0008B layout for the DGN0008C) the thermal pad is probably better due to thermal performance than undersoldering it (by using DGN0008C layout for the DGN0008B).

    Best,

    Gregory Thompson 

  • 0 in reply to Gregory Thompson
    TI__Intellectual 1980 points

    Hi Gregory,

    Thanks for the detailed info. I will let customers use the DGN0008B to draw the lay out to cover all two variants.

    BR,

    Manu