ON Semiconductor STK672-532 Stepper Motor Driver

The STK672-532, from ON Semiconductor, is a unipolar 2-phase stepper motor driver hybrid IC that integrates power stages and a controller to drive stepper motors with high precision and efficiency. Designed to simplify the process of controlling stepper motors, this IC is ideal for a wide range of applications, including office automation machines, factory automation systems, and other equipment requiring precise motor control.

Key Features:

• Integrated Controller and Driver: The STK672-532 combines the control logic and power output stages in one package, reducing the number of external components and simplifying the circuit design.
• High Voltage and Current Rating: This IC can handle motor power supply voltages up to 46V and output currents up to 2.0A, making it suitable for driving a broad range of stepper motors.
• Micro-Stepping Support: It supports micro-stepping operation, which allows for smoother and more precise motor movement, as well as reduced mechanical system noise and vibration.
• Thermal Shutdown Feature: The built-in thermal shutdown function protects the IC from overheating, ensuring the longevity and reliability of both the motor driver and the motor itself.
• Various Excitation Modes: The STK672-532 supports full-step, half-step, and micro-stepping modes, providing flexibility in selecting the appropriate mode based on the application's requirements.

Applications:

• Office Automation Machines (Printers, Scanners, Copiers)
• Factory Automation Systems
• ATMs and Cash Handling Machines
• Textile Machinery
• Medical Equipment
• Robotics

The STK672-532 is a robust and versatile stepper motor driver that offers designers an efficient and cost-effective solution for controlling stepper motors. Its integrated features and protection mechanisms make it an excellent choice for developers looking to enhance the performance and reliability of their motor-driven applications.