Worcester, Mass. Allegro MicroSystems Inc. has introduced a full-bridge motor driver designed to drive low-voltage bipolar brushless DC motors. This fully integrated single-chip A1442 motor driver is ...

The selection of a commutation system is important. The primary decision is between mechanical commutation (dc motor with brushes) and electronic commutation (brushless dc motor, BLDC).

In the 1830s, a self-educated blacksmith invented a brush and commutator dc motor. Thomas Davenport first witnessed an electromagnet in action separating iron ore in the mining process. He bought one ...