Dual MC33926 Motor Driver for Raspberry Pi (Partial Kit) Pololu 2755

Dual MC33926 Motor Driver for Raspberry Pi (Partial Kit) Pololu 2755

This add-on board enables a Raspberry Pi B+, Pi A+, Pi 2 or Pi 3 to drive a pair of brushed DC motors. Its dual MC33926 motor drivers operate from 5 V to 28 V and can deliver a continuous 3 A (5 A peak) per motor. The default pin mappings make it easy to get started using our provided software, but the board also exposes most of the driver chips’ I/O pins for more specialized applications. This version ships as a partial kit; all surface-mount components are installed, but the included through-hole connectors are not soldered in.

Features

• Wide operating voltage range: 5 V to 28 V
• Output current: 3 A continuous (5 A peak) per motor
• PWM operation up to 20 kHz, which is ultrasonic and allows for quieter motor operation
• Motor indicator LEDs show what the outputs are doing even when no motor is connected
• Board can optionally power the Raspberry Pi base directly through added regulator (not included)
• Python library makes it easy to get started using this board as a motor driver expansion board
• GPIO pin mappings can be customized if the default mappings are not convenient
• Remaining motor driver pins are exposed for advanced use
• Reverse-voltage protection on motor supply
• Robust drivers:
  • Transient operation (<500 ms) up to 40 V
  • Internal peak-current limiting gracefully reduces the output power if the current or temperature get too high
  • Under-voltage shutdown
  • Output short-to-ground and short-to-Vcc protection
• Prototyping space for easier/cleaner construction of custom circuits

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