Dual Motor Driver MC33926

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  • Jameco Part no.: 2151401
  • Manufacturer: Parallax
  • Manufacturer no.: 28820
  • NCNR (Non-Cancelable, Non Returnable)
  • HTS code: 8501104040
  • Web Exclusive

Dual Motor Driver MC33926

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. The MC33926 supports ultrasonic (up to 20 kHz) pulse width modulation (PWM) of the motor output voltage, which eliminates the audible switching sounds caused by PWM speed control, and a current feedback circuit for each motor outputs an analog voltage on its respective FB pin that is proportional to the output current. Since this board is a carrier for the Freescale Semiconductor MC33926 H-bridge, we recommend careful reading of the MC33926 datasheet (1MB pdf).

This board is also available as an Arduino shield, see P/N: 2223902.


  • 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 28 VDC
  • 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)

    Note: This product can get hot enough to burn you long before the chip overheats. Take care when handling this product and other components connected to it. This can be improved by the addition of a heat sink or forced air flow.

    Downloads & Resources:

    MC33926 H-Bridge Datasheet (.pdf)
    Single version of Motor Driver (off-site)

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