onsemi

STK672-543-E

STK672-543-E Description

The STK672-543-E is a unipolar stepper motor driver IC designed for general-purpose applications, offering robust performance and reliability. Manufactured by onsemi, this IC is part of the Power Management (PMIC) category and is housed in a 12SIP package. It features a half-bridge output configuration with a current capability of 3.3A, making it suitable for driving a wide range of stepper motors. The operating temperature range of 0°C to 105°C ensures stable performance across various environmental conditions. The STK672-543-E supports a load voltage range of 10V to 42V and a supply voltage range of 4.75V to 5.25V, providing flexibility in power supply requirements. It also offers step resolutions of 1 and 1/2, enabling precise motor control. The through-hole mounting type and tube packaging make it easy to integrate into various electronic systems. Despite its obsolete status, the STK672-543-E remains a reliable choice for applications requiring unipolar stepper motor control.

STK672-543-E Features

• Power MOSFET Technology: Utilizes advanced Power MOSFET technology for efficient power management and high current handling capabilities.
• Wide Operating Temperature Range: Operates reliably between 0°C and 105°C, making it suitable for industrial and automotive applications.
• High Current Output: Capable of delivering up to 3.3A of current, ensuring robust performance for demanding motor control applications.
• Flexible Voltage Ranges: Supports load voltages from 10V to 42V and supply voltages from 4.75V to 5.25V, providing compatibility with a variety of power sources.
• Half Bridge Configuration: Features a half-bridge output configuration, which simplifies circuit design and enhances efficiency.
• Step Resolution Options: Offers step resolutions of 1 and 1/2, allowing for precise control of stepper motors.
• Through Hole Mounting: Provides easy integration into printed circuit boards (PCBs) with through-hole technology.
• REACH Compliance: Certified as REACH Unaffected, ensuring compliance with environmental and safety regulations.
• Low Moisture Sensitivity: Classified as Moisture Sensitivity Level (MSL) 1, indicating unlimited storage life and reduced risk of moisture-related damage.

STK672-543-E Applications

The STK672-543-E is ideal for a variety of general-purpose applications requiring precise control of unipolar stepper motors. Its robust design and wide operating range make it suitable for:

• Industrial Automation: Driving stepper motors in CNC machines, robotic arms, and conveyor systems.
• Automotive Applications: Controlling stepper motors in automotive systems such as power windows, seat adjustments, and HVAC controls.
• Consumer Electronics: Managing stepper motors in printers, scanners, and other devices requiring precise motion control.
• Medical Equipment: Operating stepper motors in medical devices like infusion pumps, diagnostic equipment, and laboratory automation systems.

Conclusion of STK672-543-E

The STK672-543-E is a versatile and reliableip unolar stepper motor driver IC, offering a comprehensive set of features and performance benefits. Its wide operating temperature range, high current output, and flexible voltage ranges make it suitable for a broad range of applications. The inclusion of Power MOSFET technology ensures efficient power management and high reliability. Despite being marked as obsolete, the STK672-543-E remains a valuable component for engineers and designers seeking a proven solution for unipolar stepper motor control.