onsemi

STK672-432B-E

STK672-432B-E Description

The STK672-432B-E is a unipolar stepper motor driver IC designed for general-purpose applications, manufactured by onsemi. This device is housed in a 19SIP package and features a through-hole mounting type, making it suitable for a variety of industrial and commercial applications. The STK672-432B-E is equipped with a half-bridge output configuration, capable of delivering up to 2A of output current. It operates within a wide load voltage range of 0V to 46V and a supply voltage range of 4.75V to 5.25V. The device supports various step resolutions, including 1, 1/2, 1/4, 1/8, and 1/16, providing flexibility in motor control applications. The STK672-432B-E is classified under the Power Management (PMIC) category and is designed using Power MOSFET technology. It is REACH unaffected and has an ECCN classification of EAR99. The product is currently marked as obsolete, but it remains a reliable choice for existing designs and legacy systems.

STK672-432B-E Features

• General Purpose Applications: The STK672-432B-E is designed for a wide range of general-purpose applications, making it a versatile solution for various motor control needs.
• High Output Current: With a maximum output current of 2A, this IC can drive stepper motors efficiently, ensuring robust performance in demanding applications.
• Wide Voltage Range: The load voltage range of 0V to 46V and supply voltage range of 4.75V to 5.25V provide flexibility in system design, accommodating different power supply requirements.
• Half Bridge Configuration: The half-bridge output configuration allows for efficient control of the motor windings, enhancing the overall performance and reliability of the motor drive system.
• Multiple Step Resolutions: The device supports step resolutions of 1, 1/2, 1/4, 1/8, and 1/16, offering precise control over motor movement and enabling smooth and accurate positioning.
• Through-Hole Mounting: The through-hole mounting type ensures secure and reliable installation, making it suitable for applications requiring robust mechanical stability.
• Unipolar Stepper Motor Support: The STK672-432B-E is specifically designed for unipolar stepper motors, providing optimized control and performance for this type of motor.
• Parallel Interface: The parallel interface allows for straightforward integration with control systems, facilitating easy communication and control.
• Moisture Sensitivity Level 1: With an MSL of 1 (Unlimited), the device is suitable for storage and handling in various environmental conditions without the need for special precautions.

STK672-432B-E Applications

The STK672-432B-E is ideal for applications requiring precise control of unipolar stepper motors. Some specific use cases include:

• Industrial Automation: The device is well-suited for applications in industrial automation, where precise motor control is essential for tasks such as robotic arms, conveyor systems, and CNC machines.
• Medical Equipment: In medical devices that require accurate positioning, such as laboratory testing equipment and imaging devices, the STK672-432B-E can provide reliable motor control.
• Office Automation: For applications in office automation, such as printers, scanners, and copiers, the STK672-432B-E can drive stepper motors with high precision and reliability.
• Consumer Electronics: In consumer electronics, such as 3D printers and hobbyist projects, the STK672-432B-E can be used to control stepper motors efficiently and accurately.

Conclusion of STK672-432B-E

The STK672-432B-E is a versatile and reliable unipolar stepper motor driver IC designed for general-purpose applications. Its high output current, wide voltage range, and multiple step resolutions make it an excellent choice for precise motor control. The through-hole mounting type and half-bridge configuration ensure robust and efficient performance, while the parallel interface facilitates easy integration with control systems. Although the product is marked as obsolete, it remains a valuable component for existing designs and legacy systems, providing a reliable solution for unipolar stepper motor control in various industrial, medical, and consumer applications.