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TB6612FNG Dual DC Motor Driver Module
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The Motor Driver TB6612FNG Module can control up to two DC motors at 1.2A constant current (3.2A peak). The motor can be controlled by two input signals (IN1 and IN2) in one of four function modes: CW, CCW, short-brake, and stop.
The two motor outputs (A and B) can be controlled independently, and the speed of each motor is controlled by a PWM input signal with a frequency range of up to 100kHz. To remove the motor from standby mode, pull the STBY pin high.
The logic supply voltage (VCC) can range from 2.7 to 5.5VDC, while the motor supply (VM) has a maximum voltage of 15VDC. The maximum output current per channel is 1.2A. (or up to 3.2A for a short, single pulse).
All components are installed on the board as shown. On both supply lines, decoupling capacitors are installed. The TB6612FNG has all of its pins broken out to two 0.1?? pitch headers, with input pins on one side and output pins on the other.
Understand the basics and see how this module compares to others in our guide: What Is a Motor Driver? L298N & L293D Explained
Thanks to its low voltage drop and efficient MOSFET motor driver design, the TB6612FNG is the preferred choice for space-constrained, battery-powered projects like line follower robots and micro-sumo bots. Unlike older drivers, it minimizes power loss as heat, ensuring your robot runs longer and more reliably on a single battery charge.
While the L298N is a classic choice, the TB6612FNG motor driver is a significant upgrade for modern, space-constrained robotics. Here is a quick comparison:
| Feature | TB6612FNG (Recommended) | L298N |
|---|---|---|
| Output Technology | MOSFET (Highly Efficient) | BJT (Less Efficient) |
| Continuous Current | 1.2A per channel | 2A per channel |
| Peak Current | 3.2A (short pulse) | 3A (short pulse) |
| Voltage Drop & Efficiency | Low voltage drop (Maximizes battery life) | High voltage drop (~2V loss) |
| Heat Generation | Minimal (No heatsink required) | High (Requires bulky heatsink) |
| PWM Frequency | Up to 100kHz (Silent & smooth) | ~1–20kHz (Can cause motor whine) |
| Size & Footprint | Compact, breadboard-friendly | Large, heavy, and bulky |
| Best Use Case | Line follower robots, drones, battery-powered bots | Heavy-duty, mains-powered, high-current robots |
Still not sure which one fits your project? Read our detailed comparison guide: DRV8833 vs L298N vs TB6612FNG: Which Motor Driver Should You Use?
Connecting the dual DC motor driver to an Arduino is straightforward:
| Driver Model | TB6612FNG |
| Operating Voltage (VDC) | 15 |
| Peak Current | 3.2A |
| Continuous Current | 1.2A |
| No. Channels | 1 |
| Weight | 22gm |
Yes. Because the TB6612FNG contains two independent H-bridges, it can drive a small bipolar stepper motor. However, ensure your stepper motor’s coil current does not exceed the module’s 1.2A continuous (3.2A peak) rating per channel.
The TB6612FNG is significantly more compact and efficient. It uses MOSFET outputs, resulting in a much lower voltage drop and less heat generation compared to the L298N’s BJT design. While the L298N can handle slightly higher currents, it requires a bulky heatsink and wastes more power as heat. The TB6612FNG is the superior choice for battery-powered and space-constrained robotics projects.
No, a heatsink is generally not required under normal operating conditions (up to 1.2A continuous per channel). Its efficient MOSFET design keeps it cool. However, if you plan to push the module near its 3.2A peak current for extended periods, adding a small heatsink or ensuring active airflow is recommended.
The TB6612FNG is significantly more compact and efficient. It uses MOSFET outputs, resulting in a much lower voltage drop and less heat generation compared to the L298N’s BJT design. While the L298N can handle slightly higher peak currents, it requires a bulky heatsink and wastes more power. The TB6612FNG is the superior choice for battery-powered robotics.
The STBY (Standby) pin is a power-saving feature. When pulled LOW, the driver enters a low-power standby mode, cutting output to the motors. To operate the motors, you must pull the STBY pin HIGH (e.g., connect it to a 5V logic signal or an Arduino digital pin set to HIGH).
Yes, absolutely. The TB6612FNG is perfectly suited for N20 micro DC motors. Since N20 motors typically draw well under the 1.2A continuous (and 3.2A peak) limit of this driver, it provides smooth, efficient, and cool-running control for small robotic platforms.
Yes, absolutely. The logic supply voltage (VCC) for the TB6612FNG ranges from 2.7V to 5.5VDC. This makes it natively compatible with 3.3V logic systems like the ESP32, Raspberry Pi, or STM32, without requiring any external logic level shifters.
The TB6612FNG supports a PWM input signal frequency of up to 100kHz. This is a major advantage over older drivers like the L298N (which typically operate at 1–20kHz). By running at higher frequencies, the TB6612FNG pushes the switching noise above the range of human hearing, resulting in silent, smooth, and highly efficient motor control.
Yes, but it depends on your battery voltage. If you are using a power source between 2.7V and 5.5V (such as a 2S LiPo battery or 4x AA batteries), you can safely connect it to both the VM and VCC pins. However, if your motor supply (VM) is higher than 5.5V (up to the 15V max), you must use a separate 5V regulator (like a 7805 or buck converter) to supply the VCC pin, otherwise you will damage the logic circuitry.
Working good satisfied
TB6612FNG Dual DC Motor Driver
very good product , nicely working and super fine quality.
Good
TB6612FNG Dual DC Motor Driver
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| Product | SKU | Description | Collection | Availability | Product Type | Other Details |
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It is Amazing and great item in this price
Veri usefull and cheap price from other shopping site, I use this module many project. Thank you robocraze
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