Motoron M2U550 Dual Serial Motor Controller (Header Pins Soldered)

PololuSKU: RB-Pol-1025
Manufacturer #: 5080

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  • Motoron M2U550 Dual Serial Motor Controller (Header Pins Soldered)
  • Compact size, measuring only 0.6 x 0.8 inches
  • Controls two bidirectional brushed DC motors independently
  • Wide motor supply voltage range: 1.8 V to 22 V
  • Features reverse-voltage protection and configurable motion parameters

The Motoron M2U550 Dual Serial Motor Controller (Header Pins Soldered) is a compact device designed to control two DC motors via a UART interface. This controller can be connected to the same serial bus as other Motoron controllers, facilitating the expansion of a system with additional motors. The M2U550 is compatible with motor supply voltages ranging from 1.8 V to 22 V and is capable of delivering continuous output currents of up to 1.6 A for each motor. This particular model comes with pre-soldered headers.

Multiple Motoron controllers can be configured to operate on a single I²C or serial bus, allowing for the independent control of numerous motors. Unlike many motor drivers, the Motoron controllers do not require any PWM outputs or timers on the microcontroller. Instead, a single I²C or UART interface is sufficient, regardless of the number of Motoron controllers connected.

The M2U550 model features a non-inverted TTL serial (UART) interface and comes with pre-soldered headers. It is equipped with two motor control channels, allowing for the independent control of up to two bidirectional brushed DC motors per Motoron. This model supports a wide motor supply voltage range of 1.8 V to 22 V (absolute maximum) and a maximum output current per motor of 1.6 A continuous, peaking at 5 A for less than one second.

It also includes reverse-voltage protection on the motor power supply (down to −20 V) and a logic voltage range of 3.0 V to 4.9 V (5V nominal not recommended). The control interface for the M2T550 model is I²C (up to 400 kHz), while for the M2U550 model, it is a non-inverted TTL serial (up to 250 kbps). Both models feature configurable motion parameters and a command timeout feature that halts motors if the Motoron stops receiving commands.

  • Motoron M2U550 Dual Serial Motor Controller (Header Pins Soldered)

  • 0.6 x 0.8 inch
  • Channels: 2
  • Control interface: non-inverted TTL serial (UART)
  • Minimum operating voltage: 1.8 V
  • Maximum operating voltage: 22 V
  • Continuous output current per channel: 1.6 A
  • Peak output current per channel: 5 A
  • Minimum logic voltage: 3.0 V
  • Maximum logic voltage: 4.9 V
  • Reverse voltage protection?: Yes
  • Connectors soldered?: Yes
  • Weight: 2.5 g

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