Lighting & Illumination

May 2010

Claudio Spini, Senior Engineer, Application Laboratory, STMicroelectronics, Italy; Davide Giavarini, EPCOS AG (Group Company of TDK-EPC), IC Reference Design, Italy; Wolfgang Dreipelcher, EPCOS AG, Senior Director IC Reference Design, Germany

For an advanced PCB-design, developers want to make the right choice by knowing thoroughly the application and specific requirements. Next to the design assistance this is the most important reason

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Date:

05/01/2010

LED Ballast Design

Dr. Michael Weirich, Applications Manager, Fairchild Semiconductor GmbH, Germany

In 2009 the EU decided to abandon incandescent lighting step by step, starting with the poorest efficiency bulbs in 2010. Higher efficiency alternatives like CFL lamps or high efficiency LEDs are

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Date:

05/01/2010

Efficient and Cost Effective LEDs

Osama Mannan, Technical Marketing Engineer, Future Lighting Solutions

The continuous demand for more efficient and cost effective LEDs is prevalent in the lighting industry. Many applications nowadays have space constraints and require the LEDs to have a smaller

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Date:

05/01/2010

Simple and cost effective dimming solutions

Tom Ribarich, Director, Lighting Systems, International Rectifier, El Segundo, California

Dimming of fluorescent lamps will normally require the incorporation of a complex, high pin count controller IC into the circuit design. As a result, dimming circuits are more difficult to create

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Date:

05/01/2010

Better LED Intensity Control in Video Displays

Walter Chen, Principle Member of the Technical Staff, Applications, Maxim Integrated Products inc., Sunnyvale, California

When a video display application uses a pulse-width modulated LED driver such as the MAX6975, higher PWM resolution is needed to provide gamma (visual effect) correction, LED characteristic matching,

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Date:

05/01/2010

LED Action

Paul Greenland, Technologist and Tushar Dhayagude, Co-Founder & Vice President mSilica Inc., Santa Clara, California, USA

Light emitting diodes were first demonstrated by Nick Holnyak of General Electric in 1962. Over the following two decades the physics of LED illumination was understood sufficiently for LEDs to

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Date:

05/01/2010

Polymer Film Capacitors for LED Drivers

Ian W. Clelland and Rick A. Price, ITW Paktron, Lynchburg, VA

As is typically found with most types of high-end equipment, LED lighting systems require a minimum of 5 to 10 years of working life with 100% up?time in order to justify the user's cost and maintenance

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Date:

05/01/2010

High Brightness LED Driver

Alex Mednik, Applications Engineering Manager, Power Management Group, Supertex Inc

This article discusses the merits of a new control IC specifically designed to improve on the performance of a high side buck controller. Tighter current regulation may result in savings as fewer

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Date:

05/01/2010

LED Lighting Variants

Andreas Biss, New Business Development, Sharp Microelectronics Europe, Hamburg

A power-saving, environmentally friendly, long-life, compact and (above all) cost-effective light source - LEDs have created an entirely new generation of lamps. According to the International

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Date:

05/01/2010

Meeting LED Expectations

Irene Signorino, Director of Marketing, Microsemi Corporation, Irvine, California

The past year has seen significant advances in LED packaging and manufacturing technique as well as LED price reduction. Thanks to these achievements, the expectations based on using LED as an

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Date:

05/01/2010

Inductors for Illumination

Len Crane, Director - Technical Marketing, Coilcraft

A wide variety of driver circuits is needed to support new LED applications and the demands for high performance are challenging designers to be as creative as possible with new circuit techniques.

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Date:

05/01/2010

LED Lighting Circuit Protection Strategies

Faraz Hasan, Global Marketing & Business Development Manager, Appliance/Industrial/Lighting, Circuit Protection Business Unit, Tyco Electronics

As government agencies, industry and consumers look for ways to reduce energy costs, light-emitting diode (LED) lighting technology is expected to boom. LED technology has advanced rapidly, with

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Date:

05/01/2010

New Automotive Display Backlighting

Jeff Gruetter, Product Marketing Engineer, Linear Technology

In 2010, the market size for high brightness LEDs is expected to reach $8.2 billion and grow to $20.2 billion by 2015 at a 30.6% compound annual growth rate (CAGR) according to Strategies Unlimited.

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Date:

05/01/2010