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Copyright © Parallax Inc. Pololu Dual MC33926 (#28820) v1.0 11/18/2011 Page 1 of 6
Pololu Dual MC33926 Motor Driver Carrier
The dual MC33926 motor driver carrier is a breakout board featuring two Freescale MC33926 H-bridge
ICs. It can supply up to almost 3 A continuous current per channel to two brushed DC motors at 5 – 28 V,
and it can tolerate peak currents up to 5 A per channel for a few seconds, making this a great general-
purpose motor driver for medium-sized DC motors and for differential-drive robots that use such motors..
Features
 Breakout board for Freescale's MC33926 full H-Bridge
Delivers 3A continuously to each of it's two motor channels
 Current feedback, and under-voltage protection
 Over-current and over-temperature protection
 Reverse voltage protection on motor voltage (Logic voltage
does not have reverse protection)
Key Specifications
 Power Requirements: 5 to 28VDC
 Communication Interface: 3-5V TTL, PWM(up to 20kHz)
 Operating temperature: -40°C to 125°C
 Dimensions: 1.10” x 1.8” (Without included hardware)
Application Ideas
 Robotics
 DC Motor Control
Precautions
 This product can get hot enough to burn you long before the chip overheats.
Table of Contents
Features ......................................................... 1
Key Specifications ........................................... 1
Application Ideas ............................................ 1
Precautions ..................................................... 1
Packing List .................................................... 2
Additional Items Required ............................... 2
General Specifications ..................................... 2
Basic Application Connections .......................... 2
Protection ....................................................... 3
Absolute Maximum Ratings .............................. 4
Pin Definitions and Ratings .............................. 4
Connection Diagrams ...................................... 5
Module Dimensions ......................................... 5
Resources and Downloads ............................... 5
Schematic ....................................................... 6
Pictures Courtesy of Pololu