The STK672-543-E from ON Semiconductor is a high-quality, unipolar stepper motor driver that integrates a power stage and a controller in a single package. This device is designed to drive a two-phase stepper motor in various applications that require precise control of motor operation, such as office automation machines, factory automation equipment, and consumer electronics.

Key Features

• Integrated Controller and Driver: The STK672-543-E combines a controller and a power stage, allowing for simplified circuit design and compact solutions.
• High Voltage and Current Rating: With an operating voltage range of 10V to 46V and an output current rating of up to 3A, this driver can handle a wide range of stepper motors.
• Micro-Stepping Support: It supports micro-stepping operation, allowing for smooth and precise motor movements. Micro-stepping provides improved resolution and reduces acoustic noise and mechanical resonance.
• Thermal Shutdown Feature: The built-in thermal shutdown function ensures the device operates within safe temperature limits, enhancing the longevity and reliability of both the driver and the motor.
• Overcurrent Protection: The STK672-543-E includes overcurrent protection, safeguarding the device against potential damage from excessive current draw.

Applications

The versatility of the STK672-543-E makes it suitable for a broad range of applications, including but not limited to:

• 3D Printers
• CNC Machines
• Robotic Arms
• ATMs and Money Handling Machines
• Medical Equipment

Technical Specifications

With its robust design and advanced features, the STK672-543-E stepper motor driver from ON Semiconductor is an excellent choice for designers looking to enhance the performance and reliability of their stepper motor applications.