Big Red Driver - V2

by msds.

2 layer board of 2.04x1.60 inches (51.77x40.64 mm).
Shared on January 28th, 2014 07:02.

This board is a meta-breakout board for Pololu’s DRV8825 stepper driver module, designed to hold a custom-machined heatsink, capacitor, screw-terminal connectors, and an indicator LED for fault conditions.

  • C1 is a Panasonic H13 100µF 63V electrolytic capacitor (EEE-TK1J101AQ).
  • D1 is an 1206 red LED - OSRAM’s LH N974-KN-1
  • Q2 is a P-channel MOSFET - NXP BSS84,215. Q1 and R1 are non-existent.
  • R2 is an appropriately-sized 0805 current-limiting resistor for your choice of LED.
  • JP3 and JP4 are TE Connectivity 284391-4 and 284391-2, respectively.

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