The is a popular microstepping driver for bipolar stepper motors, widely used in 3D printers, CNC machines, and robotics due to its simplicity, current control, and built-in translator. Simulating it in Proteus (Lite/Professional) requires a custom library, since the default components do not include this specific driver.
Some packs also include a A4988.HEX for firmware simulation, but the core components are the LIB and IDX. a4988 proteus library