EDN

1.4 A Bipolar Stepper Motor Driver

The DRV8846 is a 1.4 A bipolar stepper motor driver with on-chip microstepping indexer (Step/Dir Ctrl). This device is intended for cameras, printers, projectors, and other automated equipment ...
Electronics360

ROHM’s flexible brushed DC motor driver ICs for a wide range applications

ROHM has developed two new motor driver ICs for brushed DC motors, BD60210FV (20V, 2ch) and BD64950EFJ (40V, 1ch). They are ...
Electronic Design

PWM Motor Driver Delivers ±650 mA

Poised for space-critical designs, the A3969 dual full-bridge PWM motor driver powers both windings of a bi-phase, bipolar stepper motor. Measuring 5 mm x 5 mm x 0.9 mm in a 28-pin, lead-free quad MLP ...
EDN

Brute force mitigation of PWM Vdd and ground “saturation” errors

An excerpt from Christopher Paul’s “Parsing PWM (DAC) performance: Part 1—Mitigating errors”: “I was surprised to discover that when an output of a popular µP I’ve been using is configured to be a ...
Electronic Design

Integrated Stepper Motor Driver Solutions Require Thermal Design Calculations

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. One constant trend in the automotive ...