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A4988 IC – (SMD Package) – Stepper Motor Driver IC

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1000 In stock


122.00 (excluding 18% GST)

1000 In stock

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Description

The A4988 is a highly integrated microstepping driver IC for controlling bipolar stepper motors. It is designed to handle all the required motor control features in a compact SMD package, making it suitable for applications that require precise control of stepper motors. The IC is popular for use in 3D printers, CNC machines, and other robotics applications.

Features

  • Microstepping Control: Capable of full-step, half-step, quarter-step, eighth-step, and sixteenth-step modes, allowing for smooth and precise control of stepper motors.
  • Adjustable Current Limiting: Features adjustable current control through a potentiometer, allowing fine-tuning of the maximum current output to protect the motor and driver.
  • Automatic Current Decay Mode Detection: The driver dynamically detects and adjusts the appropriate current decay mode (slow or mixed) to optimize motor performance.
  • Built-in Translator: Simplifies the step control; only two signals (STEP and DIR) are required to control the motor’s motion.
  • Over-Temperature Protection: Includes thermal shutdown protection to prevent damage due to overheating.
  • Over-Current and Short-Circuit Protection: Protects the IC from damage due to over-current or short circuits.
  • Compact Package: Available in a surface-mount device (SMD) package, making it suitable for applications with limited PCB space.

Specifications

  • Operating Voltage (V_Motor): 8V to 35V
  • Logic Voltage (V_IO): 3.3V or 5V
  • Maximum Output Current: Up to 2A per coil with proper cooling
  • Microstepping Modes: Full, 1/2, 1/4, 1/8, and 1/16 steps
  • Thermal Shutdown: Yes
  • Over-Current Protection: Yes
  • Short-Circuit Protection: Yes
  • Control Interface: STEP and DIR pins
  • Package Type: SMD

Note

* Product Images are shown for illustrative purposes only and may differ from actual product

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