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CS107 Fiches technique(PDF) 1 Page - Lumileds Lighting Company |
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CS107 Fiches technique(HTML) 1 Page - Lumileds Lighting Company |
1 / 3 page CASE STUDY CS107 Compact Fixtures Turn to High Voltage LEDs Case Study ©2015 Lumileds Holding B.V. All rights reserved. Compact Fixtures Turn to High Voltage LEDs High voltage LEDs provide the ideal solution for low-cost residential LED fixtures such as wall packs, wall sconces and pendants. Retailers in Brazil have chosen a low-cost, modular style design using 48V mid-power LEDs from Lumileds that accompanies the country’s line voltage—delivering the required lumen output using up to 5 LEDs per module for over 30 different commercial fixtures. Challenge A variety of commercial lighting fixtures are making the switch from compact fluorescent technology (CFL) to LED. The reasoning behind this change is multifaceted: high voltage LED technology allows a lower overall costdown of the driver itself with the added benefit of more compact designs (due to the small size of the driver and the high lumens offered by the LUXEON 3535 HV LEDs, which allows you to reduce LED count in the fixture). LED solutions have become cost-competitive with CFL; and the long lifetime offered by LED fixtures is highly attractive to consumers. A project in Brazil, headed by LED module supplier Audax Electronics, sought to create reasonably priced LED-based wall sconces, wall packs, bollards and pendants based on high voltage LED technology. The line voltage in Brazil is in majority 127V, so the selection of three 48V LEDs ideally suited the designers of these commercial fixtures, which are being sold by retailers at reasonable prices throughout the country. Solution Audax Electronics sought to deliver a variety of LED modules that could be used in multiple commercial lighting fixtures. Specifically, the requirements for these fixtures included a compact design and also low cost, in order to compete with the CFL predecessor. The advantage to modules based on high voltage LEDs is that they utilize drivers containing on average less than 20 components, relative to standard LED drivers that contain 50 components. As a result, fixture designers can provide a 50% lower cost solution with high voltage LEDs, while minimizing the amount of inventory they need to carry to design the driver. Challenge Replacing residential CFL fixtures with compact LED fixtures that are compatible with Brazil’s line voltage of 127V. Solution Audax Electronics and Lumileds designed a variety of LED modules for different commercial lighting fixtures including wall packs, wall sconces, bollards and pendants for the Brazilian market. LUXEON 3535 HV high voltage LED technology enabled compact fixture designs with simplified drivers. Benefits High voltage LED technology enabled compact driver design with fewer than 20 components, reducing the overall cost of the lighting fixtures and streamlining the inventory that fixture manufacturers need to maintain. Results Commercially available lighting fixtures for residential applications in Brazil, formerly based on compact fluorescent technology, are cost-effectively addressed by high voltage LED modules. Meeting the requirement of Brazil’s line voltage of 127V, 48V Lumileds mid- power LEDs used with compact drivers can reduce the size and cost of wall packs, sconces and pendants. |
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