onsemi Tariff Inquiry

STK672-442A-E

STK672-442A-E Description

The STK672-442A-E is a unipolar stepper motor driver IC designed for general-purpose applications, offering robust performance and versatility. Manufactured by onsemi, this IC is part of the Power Management (PMIC) category and features a wide operating temperature range of 0°C to 105°C, making it suitable for various industrial and commercial environments. The STK672-442A-E supports a load voltage range of 10V to 42V and a supply voltage range of 4.75V to 5.25V, ensuring compatibility with a broad spectrum of power supplies and motor configurations.

STK672-442A-E Features

The STK672-442A-E is equipped with a half-bridge output configuration, capable of delivering a continuous current of 3A, which is ideal for driving unipolar stepper motors efficiently. This IC leverages Power MOSFET technology, providing high efficiency and low power dissipation. The step resolution options include 1, 1/2, 1/4, 1/8, and 1/16, allowing for precise control and smooth motor operation. The parallel interface ensures straightforward integration with control systems, while the through-hole mounting type facilitates easy installation and robust mechanical stability.

Additional features include:

• Operating Temperature Range: 0°C to 105°C (TC)
• Output Configuration: Half Bridge (2)
• Current - Output: 3A
• Voltage - Load: 10V to 42V
• Voltage - Supply: 4.75V to 5.25V
• Mounting Type: Through Hole
• Motor Type - Stepper: Unipolar
• Step Resolution: 1, 1/2, 1/4, 1/8, 1/16
• ECCN: EAR99
• REACH Status: REACH Unaffected
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Package: Tape & Box (TB)

STK672-442A-E Applications

The STK672-442A-E is well-suited for applications requiring precise control of unipolar stepper motors. Its wide voltage range and high current output make it ideal for use in various industrial and commercial settings, such as:

• Automation Equipment: For precise positioning and motion control in robotic arms, CNC machines, and automated assembly lines.
• Office Automation: In printers, scanners, and other devices requiring accurate motor control.
• Medical Devices: For applications like medical imaging equipment and laboratory automation where precision and reliability are paramount.
• Consumer Electronics: In devices such as digital cameras and other products that require smooth and accurate motor movement.

Conclusion of STK672-442A-E

The STK672-442A-E is a versatile and reliable unipolar stepper motor driver IC, offering a comprehensive set of features that make it suitable for a wide range of applications. Its robust performance, wide operating temperature range, and high current output capabilities ensure that it can handle demanding industrial and commercial environments. The precise step resolution options and parallel interface facilitate easy integration and control, making it an ideal choice for engineers and designers looking for a high-performance motor driver solution. Despite its obsolete status, the STK672-442A-E remains a valuable component for existing systems and legacy applications.