onsemi

STK672-740A-E

STK672-740A-E Description

The STK672-740A-E is a unipolar stepper motor driver IC designed for general-purpose applications. Manufactured by onsemi, this device is tailored to provide robust performance within a wide operating temperature range of 0°C to 105°C. It features a half-bridge output configuration capable of delivering up to 3.3A of output current, making it suitable for driving stepper motors efficiently. The IC operates with a 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 STK672-740A-E is housed in a through-hole package, specifically a Tape & Box (TB) format, and is moisture sensitivity level 1 (unlimited), making it suitable for a variety of manufacturing processes.

STK672-740A-E Features

• Operating Temperature: 0°C to 105°C, ensuring reliable performance across a broad range of environmental conditions.
• Output Current: Capable of delivering up to 3.3A, providing sufficient power for demanding stepper motor applications.
• Voltage Ranges: Load voltage range of 10V to 42V and supply voltage range of 4.75V to 5.25V, offering flexibility in power supply options.
• Output Configuration: Half-bridge (2) configuration, ideal for driving unipolar stepper motors.
• Step Resolution: Supports 1 and 1/2 step resolutions, providing precise control over motor movement.
• Technology: Utilizes Power MOSFET technology, known for its high efficiency and low power consumption.
• Mounting Type: Through-hole, facilitating easy integration into existing circuit boards.
• Interface: Parallel interface, simplifying communication with control systems.
• Compliance: REACH and unaffected ECCN classified as EAR99, ensuring compliance with international regulations.
• Product Status: Although marked as obsolete, the STK672-740A-E remains a reliable choice for legacy systems and specific applications where its features are well-suited.

STK672-740A-E Applications

The STK672-740A-E is designed for general-purpose applications, particularly in environments where precise motor control is required. Its robust performance and wide operating temperature range make it suitable for industrial automation, robotics, and other applications where stepper motors are commonly used. The ability to support both 1 and 1/2 step resolutions allows for fine-tuned motor control, making it ideal for applications requiring high precision, such as CNC machines, 3D printers, and laboratory equipment. The through-hole mounting type and half-bridge configuration further enhance its versatility and ease of integration into various electronic systems.

Conclusion of STK672-740A-E

The STK672-740A-E is a versatile unipolar stepper motor driver IC that offers a combination of high performance and reliability. Its wide operating temperature range, robust output current capability, and flexible voltage ranges make it suitable for a variety of applications. The use of Power MOSFET technology ensures high efficiency and low power consumption, while the half-bridge configuration and parallel interface simplify integration into existing systems. Although marked as obsolete, the STK672-740A-E remains a reliable choice for legacy systems and specific applications where its unique features and advantages are well-suited. For engineers and designers seeking a dependable stepper motor driver solution, the STK672-740A-E is a proven option that continues to deliver exceptional performance.