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Last Post 25 Oct 2012 01:31 PM by  richard.laborde@logicpd.com
Torpedo SOM (DM3730) Retention
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spiglia
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24 Oct 2012 09:31 AM
    We purchased both the heatsink (thermal) pads and the retention clips for the Torpedo DM3730 SOM.

    We've noticed that there is a gap between the top of the SOM and bottom of the clip that is not taken-up (filled) by the thermal pad, which looks too thin. Is there another pad that we may have missed when ordering our materials?

    Clip P/n: LPD-SOM-CLIP1
    Thermal Pad P/n: LPD-SOM-CLIP1-THPAD

    Thanks for any clarifications.

    Steve/NY
    richard.laborde@logicpd.com
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    24 Oct 2012 02:16 PM
    Steve,

    Is this on the kit, or your custom baseboard?
    spiglia
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    25 Oct 2012 04:57 AM
    Richard,

    Thanks for the reply. I didn't see the forum for just the Torpedo SOM, so jumped-on to this one for the dev kit ... should I re-post?

    We have a custom base board for the Torpedo DM3730 SOM.

    Appreciate any assistance.

    Steve
    NY
    spiglia
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    25 Oct 2012 05:39 AM
    Richard,

    LogicPD publishes both a SOM hold white paper, and a hardware spec., for the Torpedo DM3730. These doc's prescribe the use of two (2) different thermal pads. Our custom base board design used the hardware spec. as a reference, and as such specified the thermal pad shaped similarly to the bracket; i.e., LPD-SOM-CLIP1-THPAD.

    We have also verified that the standoffs were specified correctly; i.e., PEM SMTSO-M2-4.

    Thanks for any clarifications, or for directing me to the right forum.

    Steve
    NY
    richard.laborde@logicpd.com
    Basic Member
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    25 Oct 2012 01:31 PM
    Steve,

    You are in the right place for all Torpedo questions. The Clip1 part was for the OMAP 35x, the Clip2 part is for the DM37. This is hopefully made clear in the Hold Down White Paper. As an FYI, the hold down info has been removed from the HW Spec and is all in the White Paper.
    Thanks

    Richard
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