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added app note for thermal and added to the todo list for Geri

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1 parent 4496d98 commit c702de8f2f37e6bfa16279eef129bd73cc400da5 @loganhedin committed Apr 28, 2011
Showing with 10 additions and 1 deletion.
  1. +10 −1 Geri.driver_board/DOC/driver_board.txt
@@ -9,7 +9,16 @@ Requirements:
- additional led signaling that we still have power (after fuse)
TODO:
-- need to check what happens if we loose main voltage because of fuse breaking
+- Build calculator to qualify values, requirements.
+- Build Eagle library parts.
+ - DRV882X refer to datasheet/drv8824.pdf and ../appnotes/sima00Xb.pdf
+ - Silks vs Photo imageable
+ - 5-6 mills for Silks (5 Mills is pushing it)
+ - 4Mill lines without an issue (small characters.)
+- Author Schematic
+- Design Layout
+ - Mouse Bites, v-score (active score) route (might be tough on the Vacuums
+- Need to check what happens if we loose main voltage because of fuse breaking
and still have powered other side (logic one)
- qualify the value/rating of current sense resistor for the DRV8825. //Calculated for 256mW added overhead then selected 0.5W
- design for the package of the DRV8825 current sense resistor.

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