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Description

The Pololu Motoron M2T550 Dual I2C Motor Controller offers a compact solution for controlling two DC motors using an I2C interface.

Multiple Motoron controllers can be connected to the same I2C bus, making it easy to expand a system with additional motors. The M2T550 supports motor supply voltages from 1.8 V to 22 V and can deliver continuous output currents up to 1.6 A per motor.

Available with or without pre-soldered headers – select the required version before adding to your cart. The unsoldered version comes with a loose 16×1 header strip.

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The Motoron M2T550 and M2U550 controllers make it easy to control two bidirectional, brushed DC motors using an I2C or TTL serial (UART) interface, respectively. These compact (0.6?? ?? 0.8??) boards support motor supply voltages from 1.8 V to 22 V and can deliver continuous output currents up to 1.6 A per motor. Multiple Motoron controllers can be configured to work on a single I2C or serial bus, allowing independent control of many motors. Unlike most of our motor drivers, the Motoron does not require any PWM outputs or timers on your microcontroller. Instead, only a single I2C or UART interface is needed regardless of how many Motorons you connect.

These Motoron controllers are available in several versions with different combinations of communication interfaces and connector options:

• M2T550 (I2C) (this item):
  • headers soldered
  • headers included but not soldered in
• M2U550 (TTL serial):
  • headers soldered
  • headers included but not soldered in

For smaller single-channel alternatives, consider the Motoron M1T550 and M1U550.

Connection Example

Features

• Two motor control channels allow for independent control of up to two bidirectional brushed DC motors per Motoron
• Wide motor supply voltage range: 1.8 V to 22 V (absolute maximum)
• Maximum output current per motor: 1.6 A continuous, 5 A peak for <1 second
• Reverse-voltage protection on motor power supply (down to ?20 V)
• Logic voltage range: 3.0 V to 4.9 V (5V nominal not recommended)
• Control interface: M2T550: I2C (up to 400 kHz)
• Optional cyclic redundancy checking (CRC)
• Configurable motion parameters:
  • Max acceleration/deceleration forward/reverse
  • Starting speed forward/reverse
  • Direction change delay forward/reverse
• PWM frequency: eight options available from 1 kHz to 80 kHz
• Command timeout feature stops motors if the Motoron stops receiving commands
• Configurable automatic error response
• Motor power supply (VIN) voltage measurement
• Two status LEDs
• Motor direction indicator LEDs
• Error output for easier detection of error conditions
• Motoron Arduino library simplifies using the Motoron with an Arduino or compatible controller
• Motoron Python library simplifies using the Motoron with Python or MicroPython
• Comprehensive user??s guide
• Compact 0.6?? ?? 0.8?? size

Specifications

Channels	2
Model	Motoron M2T550
Control interface	I2C
Minimum operating voltage	1.8 V
Maximum operating voltage	22 V
Continuous output current per channel	1.6A
Peak output current per channel	5A
Minimum logic voltage	3.0 V
Maximum logic voltage	4.9 V
Reverse voltage protection?	Y
Size	0.6?? ?? 0.8??
Weight	2.5g

Resources

• User Guide
• Arduino Library
• Python/MicroPython library
• Dimensions
• 3D Model
• Drill Guide

Package Contents

• 1x Motoron M2T550 Dual I2C Motor Controller (with/without pre-soldered headers – select an option before adding to your cart)
• 1x 16-pin header (included with unsoldered version only)