The ON Semiconductor STK672-401 is a highly-integrated stepper motor driver that offers a compact and efficient solution for driving bipolar stepper motors. This integrated circuit is designed to deliver smooth and precise motor control in various applications such as office automation machines, factory automation equipment, and home appliances.

Key Features

• Built-in Microstepping Controller: The STK672-401 is capable of microstepping control, reducing the motor's stepping angle without the need for an external controller. This leads to smoother motion and increased precision in positioning tasks.
• High Voltage and Current Rating: 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.
• Integrated Unipolar Constant-Current Chopper: The device includes an onboard constant-current chopper circuit, which helps to maintain consistent motor performance and reduce power consumption.
• Thermal Shutdown Function: Safety is a priority with the STK672-401, featuring a thermal shutdown function that protects the device from overheating.
• Forward and Reverse Motor Control: Users can easily control the direction of the motor, allowing for both forward and reverse operation.

Applications

The versatility of the STK672-401 makes it suitable for a wide array of stepper motor applications, including:

• 3D Printers
• CNC Machines
• Robotic Arms
• Surveillance Camera Systems
• Automated Guided Vehicles (AGVs)

Design Advantage

The STK672-401 driver module from ON Semiconductor is designed for ease of use and integration into existing systems. Its compact size and high integration reduce the need for additional components, simplifying the design process and saving space on the PCB. The built-in microstepping controller and constant-current chopper circuitry provide a high level of control and efficiency, making the STK672-401 an excellent choice for designers looking to optimize their stepper motor systems.