EDN

Basics of the Electric Servomotor and Drive – Part 4: Brushless PM Motors (conc.)

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Electronic Design

How to Control Brushless Motors (Part 3): Commutation

How brushless DC motors use electronic commutation to maximize efficiency and ensure smooth and stable motion. Compare trapezoidal, sinusoidal, and sensorless commutation techniques, including key ...
Machine Design

Capacitive Technology Finds Use in BLDC Motor-Commutation Controls

• Capacitive sensing offers low operating currents, broad programmability, excellent temperature range tolerance, resistance to airborne contaminants, low cost, and extreme durability. • Commutation ...
EDN

3-Phase Sensorless BLDC Controller

Allegro Microsystems, LLC introduces its 3-phase, sensorless brushless DC (BLDC) motor controller for use with external complementary P-channel and N-channel power MOSFETs. Reliable sensorless startup ...
Machine Design

Avoiding step loss

Stepmotors convert electrical pulses into incremental mechanical movements. Each “step” is a set angle, providing precise linear positioning downstream. Sometimes, stepmotors are unable to step when ...
Electronic Design

Sensorless BLDC Controller Works With MOSFETs

Allegro MicroSystems, LLC announces a three-phase, sensorless, brushless DC (BLDC) motor controller for use with external complementary P-channel and N-channel power MOSFETs. Reliable sensorless ...