The STK672-071-E from ON Semiconductor is a unipolar 2-phase stepper motor driver hybrid IC that incorporates a micro-stepping controller and a power MOSFET in a single package. This compact, high-performance driver is designed to deliver smooth and precise control of stepper motors in a variety of applications, ranging from office automation equipment to industrial machinery.

Key Features

• Voltage Range: The STK672-071-E operates within a wide voltage range, typically from 10V to 35V, making it versatile for different power supplies and motor requirements.
• Output Current: It offers a substantial output current capability, up to 2A per phase, allowing it to drive a wide array of stepper motors, from small to medium-sized.
• Micro-Stepping Support: The device supports micro-stepping control, which divides a full step into smaller steps to achieve higher resolution and smoother motor rotation.
• Heat Protection: Equipped with thermal shutdown (TSD) and over-current (ISD) protection features, the STK672-071-E ensures reliable operation and longevity of both the IC and the motor.
• Package: ON Semiconductor's packaging for this IC is designed for optimal heat dissipation, ensuring performance stability even under high operating temperatures.

Applications

The STK672-071-E stepper motor driver is ideal for a wide range of applications, including but not limited to:

• Office automation machines such as printers, copiers, and scanners
• Industrial equipment like CNC machines and automated assembly lines
• Robotics and automated guided vehicles (AGVs)
• Surveillance systems with pan and tilt control

Advantages

With its integrated features and robust design, the STK672-071-E offers numerous advantages:

• Reduces the need for external components, simplifying circuit design and reducing overall system cost.
• Enhances precision and control in stepper motor applications, enabling more accurate positioning and smoother motion profiles.
• Improves reliability and safety with built-in protection features, minimizing the risk of damage due to overheating or overload conditions.

In summary, the STK672-071-E from ON Semiconductor is a sophisticated and reliable solution for driving stepper motors in a broad range of applications. Its combination of power, precision, and protection makes it an excellent choice for designers seeking to optimize their motor control systems.