electronicsforu

Why Do Triacs In A Circuit Create Flickering Or Noise In The Load, And How To Minimise It?

Noise is generated in all semiconductor devices including triacs. Triacs are used in such power-switching applications as inverter- or motor-control circuits. Triacs and thyristors (silicon-controlled ...
circuitdigest.com

AC Lights Flashing and Blink Control Circuit Using 555 Timer and TRIAC

Sometimes, we might need an AC bulb flasher circuit that can blink a series of bulbs in a particular time interval for decorative purposes. By controlling the flashing time interval and sequence, we ...
IEEE

A new TRIAC dimmable LED driver control method achieves high-PF and quality-of-light

Abstract: TRIAC dimmable LED driver senses the input phase or RMS voltage to determine the dimming current level. Most TRIAC dimmable LED drivers use bleeding circuits to help supply enough holding ...
EDN

Dual optically isolated power SCRs offer alternative to discrete optocoupler and Triac circuits

Clare, Inc., a wholly owned subsidiary of IXYS Corporation, has introduced the CPC1966, 3Arms AC Power Relay which is an AC solid state switch utilizing dual optically isolated power SCRs as an ...
IEEE

A Turn-off Delay Controlled Bleeder Circuit for Single-Stage TRIAC Dimmable LED Driver With Small-Scale Implementation and Low Output Current Ripple

Abstract: A single-stage TRIAC (TRIode for alternating current switch) dimmable LED (light emitting diode) driver using a buck converter fed through a capacitor input rectifier provides many ...