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Green rectangular circuit board with black TB6612 chip and gold pin headers

Adafruit

Adafruit TB6612 1.2A Motor Driver Breakout Board

SKU CH-QQNA-T27G2

Breakout board with TB6612 dual H-bridge driving two DC motors or one stepper at 1.2A per channel from 4.5V to 13.5V motor supply

  • TypeEngineering Development Tools
  • Drives two DC motors bi-directionally with 1.2A per channel
  • Controls one stepper motor using dual H-bridge design
  • Operates logic at 2.7V to 5V with separate motor supply
  • Handles motor voltages from 4.5V up to 13.5V
  • Includes built-in kick-back diodes for inductive load protection

Adafruit TB6612 1.2A Motor Driver Breakout

This new breakout board carries the TB6612 dual H-bridge motor driver, ready for breadboard or perma-proto use. It operates from a 2.7V to 5V logic supply while accepting motor voltages between 4.5V and 13.5V. Each channel delivers up to 1.2A continuous current with short 3A peaks.

Who this suits and who should look elsewhere

Makers driving two DC motors, one bipolar or unipolar stepper, or up to two active solenoids will find the board a compact fit. Projects needing more than 1.2A per channel, higher motor voltages, or more than two simultaneous H-bridges need a different driver.

The deciding specification

The 1.2A continuous current limit per channel is the figure that determines whether this board can handle your motors. Exceeding it risks damage even though brief 3A peaks are tolerated.

Highlights

  • Drives two DC motors bi-directionally with 1.2A per channel
  • Controls one stepper motor using dual H-bridge design
  • Operates logic at 2.7V to 5V with separate motor supply
  • Handles motor voltages from 4.5V up to 13.5V
  • Includes built-in kick-back diodes for inductive load protection

Specifications

TypeEngineering Development Tools

Questions about this item

Does the TB6612 driver chip ever need replacement after extended use?

The TB6612 is soldered to the board and rated for 1.2 A continuous per channel with a 3 A peak for about 20 ms; if current stays within those limits the chip should not require replacement.

What limits continuous operation when driving two DC motors at full load?

Each channel is limited to 1.2 A continuous; exceeding that will trigger thermal protection and stop the motors.

How much heat does the board produce when running both channels at 1.2 A all day?

At the rated 1.2 A per channel the TB6612 dissipates enough heat to need free airflow; no heatsink is included so keep the board ventilated.

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