Design with TB6612FNG Motor Driver in Cirkit DesignerThe TB6612FNG is a compact, efficient, and versatile dual motor driver capable of controlling two DC motors or one stepper motor. It is widely used in robotics, automation, and other motor control applications due to its built-in protection features and ease of use. This driver allows for the independent control of two motors with simple directional and speed inputs.
This circuit controls two DC motors using a TB6612FNG motor driver, which is interfaced with an Arduino Mega 2560 microcontroller. The Arduino provides PWM signals to control the speed and direction of the motors. Multiple IR sensors are connected to the Arduino's analog inputs, likely for sensing the environment or for line-following capabilities in a robot.
Open Project in Cirkit Designer
This circuit features an Arduino Nano microcontroller interfaced with a TB6612FNG motor driver to control two DC Mini Metal Gear Motors. It also includes an HC-SR04 Ultrasonic Sensor for distance measurement, a 5 channel IR sensor for line tracking, and a Servomotor SG90 for positioning tasks. The system is powered by a 12V battery, with the Arduino Nano managing sensor inputs and motor outputs to perform tasks such as navigation or automation.
Open Project in Cirkit Designer
This circuit is a motor control system using an Arduino Nano, a TB6612FNG motor driver, and two DC Mini Metal Gear Motors. The Arduino Nano reads inputs from a 5-channel IR sensor and controls the motor driver to operate the motors, powered by a 9V battery.
Open Project in Cirkit Designer
This circuit is designed to control a motor using an ESP32 microcontroller and a TB6612FNG motor driver. The 12V battery powers the motor driver and is stepped down to 5V to power the ESP32 and motor driver logic. The ESP32 controls the motor driver through various GPIO pins to manage motor speed and direction.
Open Project in Cirkit Designer| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | VM | Motor power supply input (2.5V to 13.5V) |
| 2 | VCC | Logic power supply input (2.7V to 5.5V) |
| 3 | GND | Ground |
| 4 | STBY | Standby control input (Low: Standby, High: Active) |
| 5-6 | AIN1, AIN2 | Motor A input control pins |
| 7-8 | BIN1, BIN2 | Motor B input control pins |
| 9-10 | A01, A02 | Motor A output pins |
| 11-12 | B01, B02 | Motor B output pins |
| 13 | PWMA | PWM input for motor A speed control |
| 14 | PWMB | PWM input for motor B speed control |
Power Connections:
Motor Connections:
Control Connections:
Standby Mode:
// Example code to control a DC motor with the TB6612FNG using an Arduino UNO
#include <Arduino.h>
// Define control pins for Motor A
const int PWMA = 3; // PWM control (speed)
const int AIN1 = 4; // Direction
const int AIN2 = 5; // Direction
const int STBY = 6; // Standby control
void setup() {
// Set control pins as outputs
pinMode(PWMA, OUTPUT);
pinMode(AIN1, OUTPUT);
pinMode(AIN2, OUTPUT);
pinMode(STBY, OUTPUT);
// Disable standby mode
digitalWrite(STBY, HIGH);
}
void loop() {
// Set motor A direction to forward
digitalWrite(AIN1, HIGH);
digitalWrite(AIN2, LOW);
// Ramp up the speed
for (int speed = 0; speed <= 255; speed++) {
analogWrite(PWMA, speed);
delay(10);
}
// Ramp down the speed
for (int speed = 255; speed >= 0; speed--) {
analogWrite(PWMA, speed);
delay(10);
}
// Change direction to backward
digitalWrite(AIN1, LOW);
digitalWrite(AIN2, HIGH);
// Repeat the ramp up and down
// ... (same as above)
}
Q: Can I control a stepper motor with the TB6612FNG? A: Yes, the TB6612FNG can control a bipolar stepper motor by appropriately toggling the input control pins to create the required stepping sequence.
Q: What is the maximum frequency for the PWM input? A: The TB6612FNG can typically handle PWM frequencies up to 100kHz, but for most applications, a frequency between 1kHz and 20kHz is sufficient.
Q: How do I put the motor driver into standby mode? A: Set the STBY pin to a low logic level to put the TB6612FNG into standby mode, which reduces power consumption when the motors are not in use.
This documentation provides a comprehensive guide to using the TB6612FNG motor driver. For further information, consult the manufacturer's datasheet and application notes.