CNC Digital Microstep driver DM542 Stepper Motor Controller 2-phase Digital Stepper Motor Driver 20-50V DC Max 4.2A for Nema 17, Nema 23 and Nema 34 series stepper motor, Replace M542 M542H - Amazon.com
Microstepping Mode for Stepper Motor Control | Semantic Scholar
Tricks in current regulation when micro-stepping a stepper motor - Industrial - Technical articles - TI E2E support forums
Optimizing Stepper Motors with Microstepping | Analog Devices