Pololu Dual DC Motor Driver 3A, 5V-28V- MC33926

PololuSKU: RB-Pol-108
Manufacturer #: 1213

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  • Breakout board based on Freescale MC33926 H-bridge
  • Delivers 3A continuously to two brushed DC motors
  • Operating Voltage: 5 - 28 V 
  • Supports ultrasonic pulse width modulation (PWM)
  • Features current feedback and under-voltage protection
  • Also features over-current protection and over-temperature protection

The Pololu Dual DC Motor Driver 3A, 5V-28V- MC33926 is a breakout board based on Freescale's MC33926 full H-bridge. It has a wide operating range of 5 - 28 V and can deliver almost 3 A continuously (5 A peak) to each of its two motor channels. This dual DC motor driver works with 3 - 5 V logic levels. It supports ultrasonic (up to 20 kHz)  pulse width modulation (PWM), which eliminates the audible switching sounds caused by PWM speed control. 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. Moreover, it features current feedback, under-voltage protection, over-current protection, and over-temperature protection. Since this board is a carrier for the Freescale Semiconductor MC33926 H-bridge, careful reading of the MC33926 datasheet is recommended.

Pololu Dual DC Motor Driver 3A, 5V-28V- MC33926(Click to Enlarge)

  • Size: 1.10" x 1.8" (Without included hardware)
  • Weight: 0.25 oz

PDF Files

  • Motor driver: MC33926
  • Motor channels: 2
  • Minimum operating voltage: 5 V (Operation from 5 - 8 V reduces maximum current output)
  • Maximum operating voltage: 28 V (The device is protected for transients up to 40 V)
  • Continuous output current per channel: 2.5 A (Can be improved by addition of heat sink or forced air flow)
  • Current sense: 0.525 V/A
  • Maximum PWM frequency: 20 kHz (SLEW pin should be HIGH for frequencies above 10 kHz)
  • Minimum logic voltage: 2.5 V
  • Maximum logic voltage: 5.5 V
  • Reverse voltage protection?: Y (On motor voltage only; logic voltage does not have reverse protection)

Customer Reviews

Based on 2 reviews
Light and sturdy

Excellent motor controller

Highly recommended

I am using this motor driver and it works really well. It has a power surge protection as well.

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