The STK672-732B-E from ON Semiconductor is a highly efficient, unipolar stepper motor driver IC, designed to drive a two-phase stepper motor in a variety of applications. This integrated circuit provides a complete solution for driving stepper motors with a voltage range of 10V to 35V and can support up to 2A per phase, making it suitable for a wide range of medium to high power requirements.

Key Features

• Integrated unipolar stepper motor driver
• Operating voltage range: 10V to 35V
• Output current: Up to 2A per phase
• High-efficiency MOSFET output stage
• Built-in micro-stepping controller
• Low on-resistance
• Thermal shutdown function for overheat protection
• Overcurrent protection
• Small footprint and easy to use 24-pin package

Applications

The STK672-732B-E is ideal for a variety of applications that require precise motor control, such as:

• Office automation machines
• Factory automation
• 3D printers
• Surveillance cameras
• Robotics

Performance and Integration

The STK672-732B-E integrates a dual H-bridge driver, which simplifies the circuit design and reduces the overall system footprint. Its micro-stepping capability allows for smoother and more precise motor control, which is essential in applications requiring fine positioning and smooth motion. The IC also features a low on-resistance, which reduces power dissipation and improves overall efficiency.

Protection features such as thermal shutdown and overcurrent protection ensure the longevity and reliability of the driver, making it a robust choice for demanding applications. With its compact design and powerful features, the STK672-732B-E from ON Semiconductor is an excellent choice for designers looking to implement advanced stepper motor control in their projects.