The STK672-430AE from ON Semiconductor is a unipolar 2-phase stepper motor driver that integrates power MOSFETs and microstepping controller into a single package. This high-performance device is designed to deliver smooth and precise motor control in a wide range of industrial and consumer applications, such as office automation machines, factory automation equipment, and home appliances.

Key Features

• Built-in Microstepping Controller: The STK672-430AE supports various microstepping modes, enabling the motor to run with less vibration and increased accuracy.
• High Voltage and Current Handling: This driver can handle motor supply voltages up to 44V and output currents up to 1.5A, making it suitable for driving a broad range of stepper motors.
• Integrated Power MOSFETs: The inclusion of power MOSFETs within the package reduces external component count, simplifies circuit design, and enhances reliability.
• Thermal Shutdown Feature: The device includes a thermal shutdown circuit that protects the IC from overheating, ensuring long-term reliability.
• Low ON-Resistance: The low ON-resistance of the output stage translates to lower heat generation and increased efficiency.
• Simple Step and Direction Control: The STK672-430AE is designed to be easily controlled by step and direction signals, making it compatible with a wide range of microcontrollers and control systems.

Applications

• Office Automation Machines (Printers, Scanners, Copiers)
• Factory Automation Equipment
• Home Appliances (Sewing Machines, Robotics)
• 3D Printers and CNC Machines

The STK672-430AE provides a compact and efficient solution for driving stepper motors with precision. Its robust design and integrated features make it an ideal choice for designers looking to optimize performance while reducing system complexity and cost.

Product Specifications