Two-phase stepper motor drive system circuit

A typical application of a two-phase stepper motor is illustrated in Figure 5-15. It consists of two UC3717A components that can create a microcomputer control system for a two-phase permanent magnet or hybrid stepping motor. The control signals for the two-phase operation can be generated by microcomputer software design or by utilizing CMOS digital circuits, enabling various control modes.

The two-phase stepper motor control system utilizing the UC3717A is designed to provide precise positioning and speed control for applications requiring accurate motion. The UC3717A is a versatile integrated circuit that facilitates the generation of control signals necessary for the operation of stepper motors. By employing two of these ICs, the system can effectively manage the stepper motor's phases, allowing for smooth and reliable operation.

The microcomputer interface can be programmed to execute various control algorithms, which can be tailored to the specific requirements of the application. This flexibility enables the implementation of different operational modes, such as full-step, half-step, or microstepping, enhancing the motor's performance and resolution.

CMOS digital circuits are employed to generate the control signals, ensuring low power consumption and high-speed operation. The design can incorporate additional features such as speed control, direction control, and acceleration profiles, which can be programmed into the microcomputer. This adaptability makes the system suitable for a wide range of applications, from robotics to CNC machinery.

In summary, the combination of UC3717A components and microcomputer control provides an effective solution for managing two-phase stepper motors, allowing for precise control and versatility in various operational modes.Two-phase stepper motor typical application is shown in Figure 5-15 Xin, made up of two pieces UC3717A can form a two-phase permanent magnet or hybrid stepping motor microcomputer control system. By the microcomputer software design or by the TTI. , CMOS digital circuits can generate the correct hardware I ,, 1. , PHASE two-phase control signal, operation of several control modes.