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Reference Design Kit, Stellaris® Stepper Motor

RDK-STEPPER - Reference Design Kit, Stellaris® Stepper Motor

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Product Overview

The RDK-STEPPER is a Stellaris Stepper Motor Control Reference Design Kit that contains all the necessary hardware and software for user to design, develop and to integrate stepper motor applications. RDK-STEPPER combines strength and flexibility of Stellaris microcontrollers with Fairchild Semiconductor's gate drivers and MOSFETs to create an advanced stepper motor control design that has been carefully engineered for performance, cost and flexibility. Stepper RDK contains Stellaris LM3S617 microcontroller designed for motion control applications, a Fairchild Semiconductor power stage consisting of FAN73832 HVIC Driver and FDMS3672 MOSFET, a NEMA23 stepper motor, a graphical control program for Windows cables, source code and documentation. The Stepper RDK takes advantage of the integrated features of the Stellaris MCU and the processing power of the Cortex-M3 core to implement software based chopper control without the need for an external step controller or comparator circuits.
  • Software based chopper control to operate high torque steppers at high step rates
  • Controls stepper motors up to 80V at 3A
  • Supports NEMA17, NEMA23 and NEMA34 type stepper motors
  • High step rates up to 10,000 steps/sec
  • Programmable holding current
  • Virtual COM port through integrated USB
  • Supports for external debugger through standard 20 pin ARM header
  • Easy power and motor connection using pluggable terminal blocks
  • Bootloader for firmware upgrades over serial port


Motor Drive & Control, Portable Devices, Industrial, Automation & Process Control


Main control circuit board, NEMA23 stepper motor, 24V wall power supply, USB cable, Graphical control program for Windows on CD, Reference Design Kit CD containing a Quickstart Guide, User's Manual, Software Reference Manual, Board Data Sheet, source code, BOM, schematics and Gerber files.

Product Information

Texas Instruments


Power Management - Motor Control

Stepper Motor




Main Control Circuit Board, NEMA23 Stepper Motor, 24V Wall Power Supply, USB Cable


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