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How to reduce the Cost for the manufacturing of TMS320DM365 Board.....

ABHAY KUMAR75726
Prodigy 10 points

I am making my own DM365 Board. I am facing the problem of implementing it over a PCB as the PCB use VIP(Via in Pad) Technology and 8 layer. The manufacturing cost of the PCB is quite high. I want to know the technology how i can implement it over a PCB so that the effective cost is reduced considerably and the 8 layer PCB comes down in layer. Can anybody suggest me the Manufacturer in INDIA who can make such kind of PCB at effective cost.

  • 0
    TI__Intellectual 1670 points

    The DM365 BGA is made for smaller designs because it uses 0.65mm pitch and doesn't use the newer Via Channel(TM) technology, so this limits what's possible as far as reducing PCB cost.

    Some of our customers are able to find board shops that will allow 16 mil vias with 8 mil holes, and if you're creative in your PCB design, this can be done.  An example of this layout can be found attached to this post.  This design has never been built, but is a good starting point for a real design and is provided as-is.5287.Escape_16r8_4_dm360_65_1.zip

    This design is in Allegro by Cadence and can be viewed with a free viewer found at:

    http://www.cadence.com/products/pcb/Pages/downloads.aspx

    Download the 15.x free viewer and view the file.  It shows how to layout DM365 without via-in-pad, in six layers using 16 mil vias with 8 mil holes.  I'm not aware of any board shops in India, but some shops feel comfortable doing this for production and some do not.

    I hope this helps!