Stepper Motor Driver With Brake Drive, Driver Device And Automation Device

A stepper motor driver with brake drive, a drive device and an automation device are disclosed. The stepper motor driver comprises a microprocessor (1) embedded with a communication protocol, an external interface unit (3) mutually connected to the microprocessor (1) and a communication interface circuit (2); the microprocessor (1) is also connected to a drive control circuit (4) and a brake device (5), and the brake device (5) is mutually connected to the external interface unit (3); the microprocessor (1) is also mutually connected to a power supply circuit (13) that provides a stable power supply voltage. The stepper motor driver has such advantages as simple structure, high capacity to resist interference, high effectiveness, low cost, and ease in maintenance.