Light is essential to our daily lives, whether at work, at home or on the road. Without light, people simply can not do their normal day-to-day activities so maybe we should not be surprised by the huge amount of lighting used. The agency estimates that US residential and industrial / commercial lighting consumed 279 billion kilowatt-hours of electricity in 2016, accounting for about 10% of total energy consumption in these two areas, or about 7% of total energy consumption in the United States. The relative amounts of such electricity in other developed countries are similar.
It is time for an incandescent lamp to step down
In fact, the obscure incandescent light bulbs can only convert less than 5% of the energy used into visible light. Fortunately, this centuries-old core technology is gradually being phased out, especially with the light-emitting diode (LED ) Technology is starting to show its promise and the technology is now able to convert energy efficiency by more than 50% .Lower prices of LED products and incentives to move users to more advanced technologies have further stimulated adoption, and some estimates say 2030 LED The widespread adoption can save 40% of electricity consumption.
In addition to the inherent energy efficiency improvements, LED lighting is also being used in smart lighting applications, and smart lighting applications are rapidly gaining popularity by saving more energy and customizing flexible solutions tailored to specific application needs.
Smart lighting into the light
However, intelligent lighting has its own inevitability, requiring corresponding 'smart' and efficient semiconductor-based drives and controllers. In the 10W to 100W smart lighting applications for offices, factories and homes, ON Semiconductor's FL7740 (primary side ) And the FL7760 (DC-DC step-down) support a simplified topology and bill of materials. They provide accurate constant voltage regulation and analog and pulse width modulation (PWM) dimming. They help smart lighting Engineers achieve and exceed design goals to meet and exceed increasingly stringent emerging global standards.
In addition to providing constant voltage regulation required for steady state LED lighting, the FL7740 also features fast response times, low power consumption (including key specifications for smart lighting in standby mode), a high power factor of about 0.9, Less than 10% total harmonic distortion (THD) at half load and universal input.
Darkening is a good thing
The FL7760 is responsible for the dimming function and has an industry-leading 5 to 100% wide analog dimming range; this range makes analog dimming a practical choice for lighting designers for the first time, though fast and fierce switching causes flicker and audible noise The inherent problem is less than ideal, and the device is capable of supporting PWM dimming across the full range. One of the major differentiating innovations of the FL7760 is its ability to dimming seamlessly when it requires dimming below 5% analog dimming limits Combine analog and PWM dimming.
With the control features offered by semiconductor technology, LED smart lighting not only becomes viable but also easier to implement, improving the working and living environment and saving tens of billions of kilowatts in electricity potential in the near future.
To view demo videos of the FL7740 and FL7760 evaluation boards For more information, please refer to the link: http://www.onsemi.com/PowerSolutions/supportVideo.do?docId=1166453&locale=en-us&docName=&utm_source=on_blog&utm_medium=blog&utm_campaign=FL7740_FL7760_Smartlighting&utm_content= link-fl7740_video-page