Sunday, April 14, 2024

World’s Smallest High-Current Driver Module

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The module, measuring 0.8 by 1 cm, controls high-current loads like motors and LED strips, and integrates easily with Arduino, making it ideal for enthusiasts and makers.


Microbots have launched DriveCell, a compact h-bridge module, measuring 0.8 by 1 centimeter, designed for controlling high current loads such as brushed motors, LED strips, or other Microbots devices including CoilPad and FlatFlap. It can be operated through an Arduino using a library supplied by Microbots.

The DriveCell is a compact h-bridge module featuring the DRV8837 chip, designed to control the direction of output current through its two input pins, typically driven in opposite polarities. This functionality enables the magnetic north or south driving of the CoilPad/FlatFlap or the clockwise or anticlockwise rotation of a motor. The DRV8837 chip is equipped with Overcurrent Protection, Undervoltage Lockout, and Thermal Shutdown, requiring caution to avoid reversing its supply rails.

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The device is designed for easy soldering, enabling the attachment of wires, headers, and additional circuits on top. It can also drive multiple motors, as long as the total current does not exceed 1.8A.

Some of the key specifications of the DriveCell include:

  • Dimensions: 10x8mm
  • Thickness: 1.8mm
  • Weight: 0.16 grams
  • Screws: M1.2
  • Connector Pitch: 2.54mm
  • Input Maximum Voltage: 5V
  • Output Maximum Current: 1.8Amps

The electronics kit is ROHS Compliant and adheres to the IPC-A-600 II standard. Each box includes the DriveCell and two M1.2 screws, with connectors not provided. The DriveCell is intended for DIY maker use, and commercial inquiries should be directed to the manufacturer.

For more information, click here.


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