The STK672-622B from ON Semiconductor is a highly-integrated stepper motor driver that offers an optimal solution for driving bipolar stepper motors in various applications. This driver IC is designed to provide smooth and reliable motor control with advanced features and a compact design, making it an excellent choice for designers looking to enhance their motor control systems.

Key Features

• Integrated Unipolar Stepper Motor Driver: The STK672-622B integrates a unipolar stepper motor driver capable of driving a two-phase bipolar stepper motor, which is commonly used in printers, robotics, and industrial control systems.
• High Voltage and Current Ratings: With an operating voltage range of 10V to 44V and an output current rating of up to 1.5A, this driver can handle a wide range of stepper motors for various applications.
• Micro-Stepping Support: It supports micro-stepping operation, which allows for finer control of the motor position, resulting in smoother motion and higher resolution positioning.
• Built-in Sequencer: The STK672-622B comes with a built-in sequencer that simplifies the control logic required to drive the motor, reducing the workload on the main controller and simplifying circuit design.
• Thermal Shutdown Function: Safety features such as thermal shutdown protect the IC from overheating, ensuring long-term reliability and stability of the motor operation.

Applications

The STK672-622B stepper motor driver is suitable for a wide range of applications, including but not limited to:

• Office automation machines such as printers and scanners
• Industrial equipment including CNC machines and robotic arms
• Consumer electronics where precise motor control is needed
• ATMs and cash handling machines

Conclusion

With its robust feature set and ON Semiconductor's reputation for quality, the STK672-622B stepper motor driver is an excellent choice for any project requiring precise and reliable control of a bipolar stepper motor. Its integrated functions and protective features make it a versatile and safe component for a wide variety of stepper motor applications.