CXA2530_13 Datasheet, PDF (1/15 Pages) Cree, Inc – Retail Track Light Reference Design

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Cree^® XLamp^® CXA2530/CXA2540 LED
Retail Track Light Reference Design
Table of contents
Introduction...........................................................1
Design approach/objectives............................... 2
The 6-step methodology.................................. 2
1. Define lighting requirements........................ 2
2. Define design goals.................................. 5
3. Estimate efficiencies of the optical, thermal &
electrical systems.................................... 6
4. Calculate the number of LEDs needed.............. 8
5. Consider all design possibilities..................... 9
6. Complete the final steps............................. 9
Conclusions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Special thanks.............................................13
Bill of materials............................................13
Appendix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Introduction
This application note details the design of a 39‑watt
equivalent retail track light using Cree’s XLamp
CXA2530 LED. The CXA2530 is optimized to simplify
designs and lower system cost and can enable system-
level performance of 2000 to 5000 lumens. The XLamp
CXA2530 LED delivers high lumen output and high
efficacy in a single, easy-to-use package that eliminates
the need for reflow soldering.
The XLamp CXA2530 LED highlighted in this reference
design is optimized to enable applications that
traditionally use halogen, ceramic metal halide (CMH)
and compact fluorescent lamp (CFL) technology. In this
reference design, the XLamp CXA2530 LED is used in
a retail track light that operates on direct line 120‑VAC
input. The goal of the design is to enable a retail track
light with a narrow beam, based on a single XLamp
CXA2530 LED, delivering performance equivalent to a
39‑watt CMH lamp.
Reliance on any of the information provided in this Application Note is at the user’s sole risk. Cree and its affiliates make no warranties or representations
about, nor assume any liability with respect to, the information in this document or any LED-based lamp or luminaire made in accordance with this
reference design, including without limitation that the lamps or luminaires will not infringe the intellectual property rights of Cree or a third party.
Luminaire manufacturers who base product designs in whole or part on any Cree Application Note or Reference Design are solely responsible for the
compliance of their products with all applicable laws and industry requirements.
Copyright © 2010 Cree, Inc. All rights reserved. The information in this document is subject to change without notice.
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logo and XLamp^® are registered trademarks and EasyWhite™ is a trademark of Cree, Inc. For product specifications, please see the
data sheets available at www.cree.com. For warranty information, please contact Cree Sales at [e-mail].
Cree, Inc.
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Durham, NC 27703
USA Tel: [phone]