

The HLTNC IG57 Stepper Motor is a high-precision electric motor designed to divide a full rotation into a large number of discrete steps. This feature allows for precise control of both position and speed, making it an ideal choice for applications requiring accurate and repeatable motion. The IG57 stepper motor is widely used in industries such as 3D printing, CNC machining, robotics, and automation systems.








The following table outlines the key technical specifications of the HLTNC IG57 Stepper Motor:
| Parameter | Value |
|---|---|
| Step Angle | 1.8° |
| Holding Torque | 2.5 Nm |
| Rated Voltage | 3.2 V |
| Rated Current | 2.8 A/phase |
| Resistance per Phase | 1.14 Ω |
| Inductance per Phase | 3.2 mH |
| Number of Phases | 2 |
| Shaft Diameter | 8 mm |
| Motor Dimensions | 57 mm x 57 mm x 76 mm |
| Weight | 1.2 kg |
The HLTNC IG57 Stepper Motor typically has four wires for bipolar operation. The pin configuration is as follows:
| Wire Color | Function | Description |
|---|---|---|
| Red | Coil A+ | Positive terminal of Coil A |
| Blue | Coil A- | Negative terminal of Coil A |
| Green | Coil B+ | Positive terminal of Coil B |
| Black | Coil B- | Negative terminal of Coil B |
Below is an example of how to control the HLTNC IG57 Stepper Motor using an Arduino UNO and an A4988 driver:
// Include the Stepper library for easy motor control
#include <Stepper.h>
// Define the number of steps per revolution for the motor
#define STEPS_PER_REV 200 // 1.8° step angle = 200 steps per revolution
// Initialize the Stepper library with the motor's steps and pin connections
Stepper stepper(STEPS_PER_REV, 8, 9, 10, 11);
// Pins 8, 9, 10, 11 are connected to the A4988 driver
void setup() {
// Set the motor speed (in RPM)
stepper.setSpeed(60); // 60 RPM
Serial.begin(9600);
Serial.println("Stepper Motor Test");
}
void loop() {
// Rotate the motor one full revolution clockwise
Serial.println("Rotating clockwise...");
stepper.step(STEPS_PER_REV);
delay(1000); // Wait for 1 second
// Rotate the motor one full revolution counterclockwise
Serial.println("Rotating counterclockwise...");
stepper.step(-STEPS_PER_REV);
delay(1000); // Wait for 1 second
}
8, 9, 10, 11 with the actual pins connected to your driver.setSpeed) and steps (step) as needed for your application.Motor Not Moving
Motor Vibrates but Does Not Rotate
Overheating
Missed Steps
Noisy Operation
Q: Can I use the HLTNC IG57 Stepper Motor with a unipolar driver?
A: No, the IG57 is a bipolar stepper motor and requires a bipolar driver.
Q: What is the maximum speed of the motor?
A: The maximum speed depends on the driver and power supply but is typically around 1000 RPM under no load.
Q: Can I run the motor without a driver?
A: No, a stepper motor driver is required to control the motor's steps and direction.
Q: How do I identify the coil pairs?
A: Use a multimeter to measure resistance. The two wires with measurable resistance belong to the same coil.
This concludes the documentation for the HLTNC IG57 Stepper Motor. For further assistance, refer to the manufacturer's datasheet or contact technical support.