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Introduction. The MR16 Development Kit demonstrates a dimmable MR16 LED bulb driver module. The board uses an ES version of the Atmel® ATtiny24A to decode dimming information from leading/trailing edge dimmer and uses it to change LED brightness accordingly.
An Introduction to Phase Dimming Topologies. When selecting a LED driver to pair with a lighting fixture, it is important to understand what types of dimmers will be commonly used with that fixture to confirm satisfactory operation and compatibility in customer installations.
Trailing edge dimmers are the successor of leading edge dimmers. Their main differences are that they cut off the end of the AC waveform and work with a low minimum load. This is why trailing edge dimmers are the preferred way to dim your LED lights without damaging your light bulbs.
Conversely trailing edge dimming cuts out the second half of each waves’ half cycle. Trailing edge dimmers are now the more popular of the two types. They have several advantages over leading edge dimmers including smoother control, soft start and silent running when in operation.
MOSFET Trailing Edge AC LED Light Dimmer - Precise Dimming Control for Incandescent and DIMMABLE LED Bulbs - Compatible with Arduino, Raspberry Pi, ESP8266, ESP32, Flicker-Free, High Power
In this project we will have a closer look at the electrical challenges AC LED light bulbs offer when it comes to dimming them. That means I will tell you a bit about how they are built and we will also determine the differences between leading edge and trailing edge dimmers.
Enables installation with commonly used leading-edge and trailing-edge dimmers. 5 years guarantee. Slim housing for narrow installations. High efficiency and reliability. Areas of application. Suitable for LED luminaires and LED modules. Applicable for luminaires of protection classes I and II.
