Description

✅ Key Features

• Microstepping Control: Supports full, half, quarter, and eighth-step modes, providing smooth and precise motor movement.

• Adjustable Current Control: Allows for current adjustment from 150mA to 700mA per phase, accommodating a wide range of stepper motors.

• Wide Voltage Range: Operates with motor supply voltages from 6V to 30V, offering flexibility in power supply selection.

• Integrated Translator: Built-in microstepping translator reduces the need for complex programming and simplifies control.

• Current Decay Modes: Features mixed, fast, and slow current decay modes for efficient operation and reduced motor heating.

• Overcurrent and Thermal Protection: Includes built-in protection mechanisms to safeguard the driver and connected components.

• Compact Form Factor: Small size suitable for integration into space-constrained applications.

---

⚙️ Technical Specifications

---

🔌 Pinout Overview

• Power Pins:

  • GND: Ground connection.

  • V+: Motor power supply input (6V to 30V).

  • 5V: Logic power supply output (5V regulated).

• Motor Pins:

  • A1, A2: First coil of the stepper motor.

  • B1, B2: Second coil of the stepper motor.

• Control Pins:

  • DIR: Direction control input (HIGH for one direction, LOW for the opposite).

  • STEP: Step pulse input (each pulse advances the motor one step).

  • MS1, MS2: Microstepping resolution control (configure microstepping mode).

  • ENABLE: Enable/disable driver (LOW to enable, HIGH to disable).

  • SLP: Sleep mode control (LOW to wake up, HIGH to enter sleep mode).

  • RDF: Current decay mode control (configures current decay mode).

---

🧩 Applications

• 3D Printers: Precise control of stepper motors for accurate printing.

• CNC Machines: Drives motors for precise movement in milling and engraving.

• Robotics: Powers actuators and joints requiring precise positioning.

• Automated Systems: Controls motors in automated manufacturing and assembly lines.

---

📦 Package Includes

• 1 × A3967 EasyDriver Microstepping Driver