I asked LightSpeed director Cary Eskow to explain how the dimming circuit works. “The small circuit uses an MCU to determine each “3rd party” triac dimmer’s minimum sustainable hold current. It then ...

For the triac, the popular dimmer circuit is used for test, with output file Figure 4a along with corresponding schematic Figure 4b. The load is a typical 100-W bulb, and the RC-time constant ...