onsemi

STK672-640A-E

STK672-640A-E Description

The STK672-640A-E is a unipolar stepper motor driver IC designed for general-purpose applications. Manufactured by onsemi, this device is part of the Power Management (PMIC) category and is known for its robust performance and versatility. The STK672-640A-E features a half-bridge output configuration with a current output capability of 3.3A, making it suitable for driving stepper motors efficiently. It operates within a wide load voltage range of 10V to 42V and a supply voltage range of 4.75V to 5.25V, ensuring compatibility with various power sources. The device is housed in a through-hole package, specifically a Tape & Box (TB) format, which facilitates easy integration into existing systems. The STK672-640A-E supports parallel interface communication and offers step resolutions of 1 and 1/2, providing precise control over motor movements. With an operating temperature range of 0°C to 105°C, this IC is designed to withstand demanding industrial environments. Although the product is currently marked as obsolete, it remains a reliable choice for applications requiring unipolar stepper motor control.

STK672-640A-E Features

• Power MOSFET Technology: Utilizes advanced Power MOSFET technology for high efficiency and low power loss.
• Wide Operating Voltage Range: Compatible with a broad range of power sources, from 10V to 42V for load voltage and 4.75V to 5.25V for supply voltage.
• High Current Output: Capable of delivering up to 3.3A of output current, ensuring robust performance for demanding applications.
• Half-Bridge Configuration: Features a half-bridge output configuration, which simplifies circuit design and enhances reliability.
• Step Resolution: Offers step resolutions of 1 and 1/2, providing precise control over motor movements and ensuring smooth operation.
• Parallel Interface: Supports parallel interface communication, facilitating easy integration with microcontrollers and other control systems.
• Wide Operating Temperature Range: Designed to operate reliably within a temperature range of 0°C to 105°C, making it suitable for various industrial environments.
• Through-Hole Mounting: Utilizes through-hole mounting, which is ideal for applications requiring mechanical stability and ease of installation.
• REACH Compliance: Classified as REACH unaffected, ensuring compliance with environmental and safety regulations.
• Moisture Sensitivity Level: MSL 1 (Unlimited), indicating high resistance to moisture, which is crucial for long-term reliability in humid conditions.

STK672-640A-E Applications

The STK672-640A-E is well-suited for a variety of general-purpose applications that require precise control of unipolar stepper motors. Some specific use cases include:

• Industrial Automation: Ideal for driving stepper motors in robotic arms, conveyor systems, and other automated machinery.
• Medical Equipment: Suitable for applications such as medical imaging devices and laboratory automation, where precise motor control is essential.
• Office Automation: Can be used in printers, scanners, and other office equipment that rely on stepper motors for precise positioning.
• Consumer Electronics: Applicable in devices such as 3D printers, CNC machines, and other hobbyist projects that require reliable motor control.

Conclusion of STK672-640A-E

The STK672-640A-E is a versatile and reliable unipolar stepper motor driver IC, offering a range of features that make it suitable for various applications. Its wide operating voltage range, high current output, and precise step resolution ensure efficient and accurate motor control. The device's robust design, including its wide operating temperature range and moisture sensitivity level, makes it ideal for demanding industrial environments. Despite being marked as obsolete, the STK672-640A-E remains a valuable component for applications requiring unipolar stepper motor control. Its compliance with REACH regulations and through-hole mounting type further enhance its suitability for a wide range of applications.