The STK672-081-E from ON Semiconductor is a unipolar 2-phase stepper motor driver that incorporates a microstepping controller and driver in a single package. Designed to drive both windings of a bipolar stepper motor, the STK672-081-E is an ideal solution for applications that require precise motor control. It is widely used in office automation machines, factory automation, and other industrial applications where precise positioning is crucial.

This integrated circuit (IC) features an operating voltage range of 10V to 44V, and it can deliver a maximum output current of 1.5A. The STK672-081-E supports various stepping modes, including full-step, half-step, quarter-step, and 1/8-step, allowing for smooth and accurate motor movements. The microstepping capability reduces noise and vibration, which is especially beneficial in noise-sensitive environments.

The device is equipped with a built-in thermal shutdown circuit and overcurrent protection, which ensures the safety and longevity of the motor and the driver itself. The STK672-081-E also includes a non-latching over-temperature detection feature that provides an additional layer of protection against overheating.

Its compact design and high integration level make the STK672-081-E an efficient and space-saving component in any design. The built-in excitation distribution circuitry simplifies the control logic required to operate the stepper motor, thereby reducing the number of external components and the complexity of the circuit design.

For ease of use, the STK672-081-E is available in a 19-pin SIP (Single In-line Package) form factor, which allows for easy mounting on printed circuit boards and is suitable for high-density mounting requirements.

In summary, the STK672-081-E stepper motor driver from ON Semiconductor offers a blend of performance, ease of integration, and reliability, making it an excellent choice for designers looking to enhance their motor control applications with a dependable and user-friendly solution.