A stepper motor and its driving principle circuit diagram
Source: InternetPublisher:JFET Keywords: Power supply power supply and other power supply circuits Updated: 2020/05/08
Stepper motor is an open-loop control element stepper motor device that converts electrical pulse signals into angular displacement or linear displacement. Under non-overload conditions, the motor's speed and stopping position only depend on the frequency and number of pulses of the pulse signal, and are not affected by load changes. When the stepper driver receives a pulse signal, it drives the stepper motor according to the The set direction rotates at a fixed angle, called "step angle", and its rotation runs step by step at a fixed angle.
Stepper motor is one of the most commonly used control components in industrial control and instrumentation. It has the characteristic that the input pulse is proportional to the rotation of the motor shaft. It is widely used in intelligent robots, floppy disk drives, and data machine tools. Microcomputer control of stepper motors is most suitable. The system is designed to use the 20BY-0 model stepper motor, which is suitable for +5V DC power supply, the step angle is 18 degrees, and the motor coil is composed of four phases. The figure below shows a stepper motor and its driving principle circuit diagram.
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