Gottlieb Open Source PopBumper Driver Board?

I just successfully; built my prototype Gottileb PBDB design and have tested them in my Black Hole Pinball project at AustinModders.com. I have decided to release this  design under to the public under the TAPR Non-Commercial Open Hardware License which indicates:

You may make products based upon this design, provided you do not make more than ten units in any twelve month period for your personal use.

The design include the recommended fixes from marvins u-fix it site including both  Power and Fire LEDs. It also features protection circuitry including a barrier diode and a resettable fuse to try an prevent damage to other devices in your machine. The Logic on this board is Low-Voltage tolerant; so it should operate in situations where +5V is low.

The design uses the more readily available and cheaper TIP120 transistor for driving the popbumper coils.

Schematics :

Click to view GTB PBDB FabB Schematics in PDF

The PCB is designed as a pair; IE you get two boards in the same foot print as the original. I designed it this way to minimize PCB cost, aid in building multiple units, and enabling the boards to be snapped apart after assembly. The board is a two layer PCB with mostly surface mount parts on the top layer to minimize PCB real estate. The TIP120 driver transistor is mounted on the bottom layer again to keep the board size low.

PBDB Fab B Top Layer w/ Silkscreen

PBDB Bottom w/ Silkscreen

For those without PCB layout tools; a set of two bare PCBs are available from the batchpcb service for under $28. You can purchase the boards from this link:
http://batchpcb.com/index.php/Products/44762

The Bill Of Materials (BOM) of a pair of boards is available from Digikey for $10.70 (as of the time of this post). A CSV file with the digikey part numbers is here: A8_PBDB.bom.csv

Here’s a package of the materials above as a single download: GTB_A8_PBDB_pkg.zip

Here are some pictures of the prototypes assembled and installed:

Edit jzitt 11/4/2010 to add batchpcb order link

This entry was posted in Gottlieb, Pinball, System 80 and tagged , , , , . Bookmark the permalink.

4 Responses to Gottlieb Open Source PopBumper Driver Board?

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  3. Mike Green says:

    Pinball Wars
    element 14 collaborative social community for design engineers and modding guru Ben Heck, race against the clock to add essential features to his “Lost-inspired” pinball build. http://www.element14.com/community/docs/DOC-26773/l/episode-9-see-ben-begin-building-a-pinball-machine

  4. Tammy says:

    I was wondering if you had any other replacement mod boards designed for Black Hole / Gottlieb?

    Wonderful information – Thanks!

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