ON Semiconductor STK672-553 Stepper Motor Driver

The ON Semiconductor STK672-553 is a highly-integrated, high-efficiency stepper motor driver designed to deliver optimum performance for a wide range of motor-driven applications. This advanced hybrid IC incorporates a unipolar, 2-phase stepper motor driver, which is suitable for driving a two-phase bipolar stepper motor.

Key Features:

• Integrated Circuit Design: The STK672-553 combines control logic and power output stages into a single package, simplifying design and reducing external component count.
• High Voltage and Current Ratings: With an operating voltage range from 10V to 44V and an output current rating of up to 1.5A, this driver can handle a broad spectrum of stepper motors.
• Micro-Stepping Support: It supports micro-stepping, which allows for smoother motor operation, higher step resolution, and improved positioning accuracy.
• Built-in Protection Features: The device includes thermal shutdown (TSD), over-current (ISD), and under-voltage lockout (UVLO) protection circuits to ensure reliable operation and safeguard the motor and driver from potential damage.
• Easy-to-use: An uncomplicated pinout and minimal external components requirement make the STK672-553 an easy-to-use solution for rapid design integration.

Applications:

The STK672-553 stepper motor driver is ideal for a variety of applications that require precise motor control, including:

• Office automation machines
• Industrial equipment
• Medical devices
• 3D printers
• CNC machines

Conclusion:

With its robust design, micro-stepping capability, and integrated protection features, the ON Semiconductor STK672-553 stepper motor driver is a reliable and efficient solution for controlling stepper motors in a wide range of applications. Its ease of use and high level of integration make it an attractive option for designers looking to reduce development time and improve system performance.