onsemi

STK672-520

STK672-520 Description

The STK672-520 is a unipolar stepper motor driver IC designed for general-purpose applications. Manufactured by onsemi, this device features a robust power MOSFET technology, ensuring high efficiency and reliability in various motor control scenarios. The STK672-520 is housed in a through-hole package, making it suitable for applications requiring stable mechanical mounting and easy integration into existing systems.

STK672-520 Features

• Operating Temperature: The STK672-520 operates within a wide temperature range of 0°C to 105°C, making it suitable for both industrial and consumer applications where temperature variations are common.
• Current - Output: With a maximum output current of 1.1A, the STK672-520 can drive stepper motors with sufficient torque, ensuring smooth and precise control.
• Output Configuration: The half-bridge configuration (2) allows for efficient control of the motor windings, providing flexibility in motor control schemes.
• Voltage - Load: The load voltage range of 10V to 42V ensures compatibility with a wide range of stepper motors, making the STK672-520 versatile for various motor types.
• Motor Type - Stepper: Specifically designed for unipolar stepper motors, the STK672-520 offers precise control with step resolutions of 1 and 1/2, enabling accurate positioning.
• Voltage - Supply: The supply voltage range of 4.75V to 5.25V ensures stable operation and compatibility with standard power supplies.
• Interface: The parallel interface allows for straightforward control and integration with microcontrollers and other digital systems.
• Package: The box package provides robust mechanical support and protection, making it suitable for industrial environments.
• Moisture Sensitivity Level (MSL): With an MSL of 1 (Unlimited), the STK672-520 is highly resistant to moisture, ensuring long-term reliability in humid conditions.
• ECCN and REACH Status: Classified under ECCN EAR99 and REACH unaffected, the STK672-520 complies with international regulations, facilitating global distribution and use.

STK672-520 Applications

The STK672-520 is ideal for general-purpose applications requiring precise control of unipolar stepper motors. Its wide operating temperature range and robust package make it suitable for industrial automation, robotics, and consumer electronics. Specific use cases include:

• Industrial Automation: Controlling stepper motors in CNC machines, conveyor systems, and robotic arms.
• Consumer Electronics: Driving stepper motors in printers, scanners, and other devices requiring precise motion control.
• Medical Equipment: Ensuring reliable and precise motor control in medical devices such as infusion pumps and diagnostic equipment.
• Office Automation: Controlling stepper motors in copiers, fax machines, and other office equipment.

Conclusion of STK672-520

The STK672-520 is a versatile and reliable unipolar stepper motor driver IC, offering a wide range of features and benefits for general-purpose applications. Its robust power MOSFET technology, wide operating temperature range, and versatile package make it an excellent choice for various motor control scenarios. Despite being marked as obsolete, the STK672-520 remains a valuable component for applications requiring precise and reliable stepper motor control.