The STK672-630B, manufactured by ON Semiconductor, is a highly integrated, hybrid IC for driving unipolar stepper motors. It offers a unique blend of power, precision, and ease of use, making it an ideal choice for a wide range of applications including office automation machines, factory automation systems, and home appliances.

Key Features

• High Voltage and Current Ratings: The device can handle up to 46V with an output current of 1.2A, allowing it to drive a broad range of stepper motors.
• Built-in Microstepping Controller: The STK672-630B supports various microstepping modes, reducing the motor's step angle and increasing its resolution and smoothness of operation.
• Easy Control Interface: It can be controlled via a simple parallel interface which makes it compatible with most microcontrollers and easy to integrate into existing systems.
• Low Heat Generation: Thanks to its efficient design and power use, the device generates minimal heat, enhancing its reliability and lifespan.
• Protection Features: It incorporates thermal shutdown and overcurrent protection, ensuring safe operation under various conditions.

Applications

The STK672-630B's versatility allows it to be used in a variety of stepper motor applications. Its precision and power make it suitable for 3D printers, CNC machines, and robotic arms. The smooth and quiet operation afforded by its microstepping capability is perfect for office equipment like printers and scanners. Additionally, its robust protection features make it reliable for factory automation equipment that requires consistent performance over long periods.

Technical Specifications

• Output Current: 1.2A
• Operating Voltage: 10V to 46V
• Control Method: Parallel interface
• Package: 27-pin SIP

With the STK672-630B, ON Semiconductor continues its tradition of providing innovative, high-quality components for the electronics industry. This stepper motor driver IC stands out for its integration of control and power stages, offering a compact and efficient solution for a multitude of stepper motor driving needs.