Professional IC Distribution & Technical Solutions

The STA405A is a high-performance stepper motor driver manufactured by SK. Below are its key specifications, descriptions, and features:

Specifications:

• Input Voltage: 24–80 VDC
• Output Current: Up to 5.0A (adjustable)
• Microstep Resolution: 200–51200 steps/rev (configurable)
• Control Interface: Pulse/Direction or standalone operation
• Protection Features: Overcurrent, overvoltage, undervoltage, and overtemperature protection
• Cooling Method: Passive cooling (no fan required)
• Dimensions: Compact design for space-saving installation

Descriptions:

The STA405A is a digital stepper motor driver designed for precision motion control applications. It supports microstepping for smooth operation and high-resolution positioning. The driver is compatible with NEMA 17, 23, and 34 stepper motors, making it suitable for CNC machines, 3D printers, and industrial automation.

Features:

• Advanced Current Control: Ensures smooth motor performance with minimal vibration.
• Wide Voltage Range: Supports 24–80V DC for flexible power supply options.
• High Microstepping: Adjustable up to 51200 steps per revolution for ultra-fine motion control.
• Robust Protection: Built-in safeguards against electrical and thermal faults.
• Easy Configuration: Adjustable via DIP switches or software settings.
• Silent Operation: Optimized PWM technology reduces motor noise.

This driver is ideal for applications requiring high torque, precision, and reliability.