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DFRobot 4.8-46V, 2A Dual Motor Controller

Product Code : RB-Dfr-19

Dual motor controller
Voltage: 4.8 - 46V
Maximum Power Dissipation: 25W
Drive Type: Dual high-power H-bridge driver

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About this product


Dual motor controller
Voltage: 4.8 - 46V
Maximum Power Dissipation: 25W
Drive Type: Dual high-power H-bridge driver

The DFRobot 4.8-46V, 2A Dual Motor Controller is the revised version of the DF-MDV1.0. Its performance has been improved greatly. It can bear larger current due to the increased heatsink dissipation. It is easy to control, using LGS's outstanding high-power motor driver chip, the L298N. This chip allows for direct drive of two bi-directional DC motors, and incorporates high-speed short diodes for protection. Drive current up to 2A per motor output. The driver uses a broad-brush design to reduce wire resistance.

DFRobot 4.8-46V, 2A Dual Motor Controller- Click to Enlarge

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• The logic part of the input voltage: 6 - 12V
• Driven part of the input voltage Vs: 4.8 - 46V
• The logical part of the work current Iss: 36mA
• Drive part of the operating current Io: 2A
• Maximum power dissipation: 25W (T = 75 degree Celsius)
• Control signal input level:
  - High level: 2.3V = Vin = Vss
  - Low:-0.3V = Vin = 1.5V
• Operating temperature: -25 degree Celsius - +130 degree Celsius
• Drive Type: Dual high-power H-bridge driver
• Module Size: 47 mm × 53mm
• Module Weight: About 29g

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Supplier Product Code

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Customer Reviews


Review by Jean-Francois

Connected to an Adafruit controller (and a Raspberry Pi B+), works perfect!

(Posted on 2/20/15)

A good inexpensive controller

Review by Bill

Its relatively easy to drive. Each motor channel has a 5/0V direction pin and a PWM pin for speed. Most other controllers have an additional direction pin that has to be driven at odds to its partner. Also I was able to use the same power supply for motors and logic, which is unusual and convenient. I am noticing that the motors don't turn as fast as an alternative controller that I have however - maybe 60%. So there is something odd going on there.

(Posted on 10/27/14)

Works great!

Review by Richard

Even when running near the rated current limit, the driver works great. The heat sink was an excellent addition to the l298

(Posted on 8/12/14)