The trade-off between uni- and bipolar stepper motors is thus basically one between driver and stepper motor complexity.

The αSTEP AZ Series stepper motor driver offers superior high speed open loop performance with closed loop control. It incorporates a battery-free, absolute mechanical encoder for absolute-type ...

Even first-time users can get a stepper motor moving as commanded in 30 min or less. Commands can be issued from any serial terminal program or from the EZ Stepper Windows program, but the EZHR17EN ...

This unipolar stepper motor driver circuit is used to drive a 12V unipolar stepper motor with a current rating of 1.25A. It uses PCA9537 IC, which is a 10-pin CMOS device that provides 4 bits of ...

Nanotec has introduced a driver for stepper and brush-less dc (BLDC) motors with sensor-less closed-loop and field-oriented control (FOC). Intended for ...

ST Micro's Markus Ekler explains the technology and derives thermal loss equations that can be used to support design decisions for stepper motor driver circuits.