The STK672-642B-E is a highly-integrated stepping motor driver, which is part of ON Semiconductor's advanced motion control product line. This driver IC is designed to drive a two-phase bipolar stepper motor in various stepping modes. The STK672-642B-E incorporates a fixed off-time current regulator that operates in non-synchronous PWM mode, providing smooth and efficient motor operation.

With a wide operating voltage range of 10V to 45V and an output current of up to 2.5A, the STK672-642B-E is versatile enough to handle a broad spectrum of applications, including office automation machines, factory automation, robotics, and other industrial equipment that requires precise motor control.

Key Features:

• Integrated unipolar constant-current chopper circuit.
• Supports various stepping modes (Full-step, Half-step, Quarter-step, and Eighth-step).
• Wide operating voltage range (10V to 45V) suitable for various applications.
• High output current capability (up to 2.5A).
• Incorporates thermal shutdown (TSD) and overcurrent protection (ISD), enhancing reliability and safety.
• Small package design, enabling compact and efficient system designs.

Applications:

• Office automation machines such as printers, scanners, and copiers.
• Factory automation equipment.
• Robotics and automated guided vehicles (AGVs).
• Textile machines.
• 3D printers and CNC machines.

The STK672-642B-E stepper motor driver from ON Semiconductor is an optimal solution for designers looking for a compact, efficient, and reliable driver capable of delivering precise motor control. Its integrated features reduce the need for external components, thus simplifying the design and reducing the overall footprint of the motor control system. Whether you are developing a new application or upgrading an existing system, the STK672-642B-E offers the performance and flexibility to meet your stepper motor driving needs.