onsemi

STK672-430A-E

STK672-430A-E Description

The STK672-430A-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 offers a robust solution for driving unipolar stepper motors. It features a half-bridge output configuration capable of delivering up to 2A of output current, making it suitable for a wide range of motor control applications. The operating temperature range of 0°C to 105°C ensures reliable performance in various environmental conditions. The STK672-430A-E is housed in a through-hole package, specifically in a Tape & Box (TB) format, and is rated for a moisture sensitivity level (MSL) of 1, indicating unlimited storage life.

STK672-430A-E Features

• Operating Temperature: The STK672-430A-E operates within a temperature range of 0°C to 105°C, ensuring stability and reliability in diverse operating conditions.
• Output Current: With a maximum output current of 2A, this IC can efficiently drive stepper motors with high torque requirements.
• Output Configuration: The half-bridge (2) output configuration allows for precise control of the motor's direction and speed.
• Load Voltage: The device supports a load voltage range of 10V to 42V, accommodating various motor voltage requirements.
• Supply Voltage: The supply voltage range of 4.75V to 5.25V ensures compatibility with standard power supplies.
• Step Resolution: The STK672-430A-E offers multiple step resolutions, including 1, 1/2, 1/4, 1/8, and 1/16, providing fine control over motor movement.
• Technology: Utilizing Power MOSFET technology, the IC delivers high efficiency and low power loss.
• Interface: The parallel interface facilitates straightforward integration with control systems.
• Compliance: The STK672-430A-E is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations.
• Packaging: The through-hole mounting type and Tape & Box (TB) packaging make it easy to integrate into various PCB designs.

STK672-430A-E Applications

The STK672-430A-E is ideal for general-purpose applications requiring precise control of unipolar stepper motors. Its versatile features make it suitable for a variety of industries, including:

• Industrial Automation: For controlling robotic arms, conveyor systems, and other automated machinery.
• Medical Equipment: In devices such as medical imaging machines, laboratory automation, and diagnostic equipment.
• Office Automation: For driving stepper motors in printers, scanners, and other office equipment.
• Consumer Electronics: In applications like 3D printers, CNC machines, and other hobbyist projects.

Conclusion of STK672-430A-E

The STK672-430A-E is a versatile and reliable unipolar stepper motor driver IC designed for general-purpose applications. Its wide operating temperature range, high output current capability, and multiple step resolutions make it an excellent choice for precise motor control. The through-hole mounting type and Tape & Box (TB) packaging ensure easy integration into various PCB designs. While the product is now obsolete, its robust features and compliance with international regulations make it a valuable component for existing systems. For new designs, engineers may consider exploring alternative models from onsemi's extensive portfolio of power management solutions.