The UCN5821 is a high-performance, high-voltage, unipolar stepper motor driver IC. It is designed to drive a unipolar stepper motor with a maximum current of 2.5A. The UCN5821 has a wide range of features, including adjustable current control, adjustable microstepping, and a wide range of operating voltages.

The UCN5821 can be used in a variety of applications, including robotics, 3D printing, CNC machines, and other motion control applications. It is also suitable for use in medical equipment, industrial automation, and other applications where precise motion control is required.
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