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Pololu Motoron M2T550 Dual I²C Motor Controller
Option:Pre-soldered header
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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 16x1 header strip.
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
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)
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