How to Use Stepper Driver TB6600: Examples, Pinouts, and Specs

The TB6600 Stepper Motor Driver (Manufacturer: JOY-IT, Part ID: SBC-MD-TB6600) is a high-performance driver designed to control bipolar stepper motors with precision and reliability. It supports microstepping, enabling smoother motion and finer control over speed and torque. With adjustable current settings and built-in protection mechanisms, the TB6600 is ideal for applications requiring robust motor control, such as robotics, CNC machinery, 3D printers, and automated systems.

• CNC machines for precise motion control
• Robotics for smooth and accurate motor movements
• 3D printers for layer-by-layer precision
• Conveyor systems in industrial automation
• Camera sliders and other motion control systems

The TB6600 driver has several input and output terminals for motor control and power connections. Below is the pin configuration:

1. Power Supply: Connect a DC power supply (9V to 42V) to the VCC and GND terminals. Ensure the power supply can provide sufficient current for your stepper motor.
2. Motor Connection: Connect the stepper motor's coils to the A+, A-, B+, and B- terminals. Refer to your motor's datasheet to identify the correct coil pairs.
3. Controller Connection: Connect the PUL+, DIR+, and ENA+ terminals to the corresponding pins on your microcontroller (e.g., Arduino). Connect the PUL-, DIR-, and ENA- terminals to the ground of the microcontroller.
4. Microstepping and Current Settings: Use the DIP switches on the driver to configure the microstepping mode and current limit. Refer to the driver’s manual for the DIP switch settings.
5. Signal Timing: Ensure the step pulse signal frequency does not exceed 200 kHz. The pulse width should be at least 2.5 µs for reliable operation.

• Heat Dissipation: The TB6600 can generate heat during operation. Ensure proper ventilation or use a heatsink to prevent overheating.
• Current Settings: Set the current limit according to your stepper motor's rated current to avoid damaging the motor or driver.
• Signal Voltage: Ensure the control signals from your microcontroller are within the 3.3V to 5V range.
• Wiring: Double-check all connections before powering on the driver to prevent short circuits or incorrect wiring.

Below is an example of how to control a stepper motor using the TB6600 and an Arduino UNO:

• Connect the TB6600's PUL+, DIR+, and ENA+ to Arduino pins 2, 3, and 4, respectively.
• Connect the PUL-, DIR-, and ENA- to the Arduino's GND.
• Connect the stepper motor to the A+, A-, B+, and B- terminals.
• Connect a 12V DC power supply to the VCC and GND terminals.

// Define control pins for the TB6600 driver
#define PUL_PIN 2  // Step pulse signal
#define DIR_PIN 3  // Direction control signal
#define ENA_PIN 4  // Enable signal

void setup() {
  // Set control pins as outputs
  pinMode(PUL_PIN, OUTPUT);
  pinMode(DIR_PIN, OUTPUT);
  pinMode(ENA_PIN, OUTPUT);

  // Enable the driver
  digitalWrite(ENA_PIN, LOW);  // LOW to enable the driver
}

void loop() {
  // Set direction
  digitalWrite(DIR_PIN, HIGH);  // HIGH for one direction, LOW for the other

  // Generate step pulses
  for (int i = 0; i < 200; i++) {  // 200 steps for one revolution (example)
    digitalWrite(PUL_PIN, HIGH);  // Step pulse HIGH
    delayMicroseconds(500);       // Pulse width (500 µs)
    digitalWrite(PUL_PIN, LOW);   // Step pulse LOW
    delayMicroseconds(500);       // Delay between pulses
  }

  delay(1000);  // Wait 1 second before reversing direction

  // Reverse direction
  digitalWrite(DIR_PIN, LOW);
  for (int i = 0; i < 200; i++) {
    digitalWrite(PUL_PIN, HIGH);
    delayMicroseconds(500);
    digitalWrite(PUL_PIN, LOW);
    delayMicroseconds(500);
  }

  delay(1000);  // Wait 1 second before repeating
}

1. Motor Not Moving:

   • Check the power supply voltage and current rating.
   • Verify the wiring between the motor and the driver.
   • Ensure the step pulse signal is being generated by the controller.

2. Motor Vibrates but Does Not Rotate:

   • Verify the coil connections. Incorrect wiring can cause the motor to vibrate.
   • Check the microstepping settings on the DIP switches.

3. Driver Overheating:

   • Ensure proper ventilation or use a heatsink.
   • Reduce the current limit using the DIP switches.

4. Inconsistent Motor Movement:

   • Check the step pulse frequency and ensure it does not exceed 200 kHz.
   • Verify the power supply is stable and not fluctuating.

Q: Can the TB6600 drive unipolar stepper motors?
A: No, the TB6600 is designed for bipolar stepper motors only.

Q: What is the maximum step resolution supported?
A: The TB6600 supports up to 1/16 microstepping.

Q: Is the TB6600 compatible with 3.3V logic controllers?
A: Yes, the TB6600 is compatible with both 3.3V and 5V logic levels.

Q: Can I use the TB6600 with a Raspberry Pi?
A: Yes, the TB6600 can be controlled by a Raspberry Pi, but you may need level shifters if the signal voltage is below 3.3V.

This concludes the documentation for the TB6600 Stepper Driver.