| Inside an A19 LED bulb
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2011-08-08 |
| Independent lab MuAnalysis Inc. looks inside A19 LED bulbs to understand what makes these so expensive |
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Driving LED strings and arrays in backlight apps
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2006-09-12 |
| The article focuses on a high-power LED backlight driver as an answer to the challenge of powering the series string of LEDs |
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Supercapacitors for LED flash in hi-res camera phones (1
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2006-05-21 |
| Power restrictions make the use of LED light outputs challenging for camera phones with more than 2 megapixels of camera resolution |
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Providing protection to LED drivers
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2009-07-21 |
| LEDs often serve as the light source in a backlighted display. Here's how to provide protection to LED drivers |
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| Managing operating trade-offs in flyback LED drivers
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2011-11-11 |
| Learn about the role and implementation of the flyback topology in LED-based light fixtures |
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Controlling LED lighting with PLC
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2010-07-06 |
| PLC is a technology well-suited for performing sophisticated LED-lighting control at a low installation cost with no new wires |
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Recognise high-power LED thermal problems
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2007-09-16 |
| Designers attempting to create high-power LED systems are well served by understanding the thermal problems associated with LEDs. Smart thermal management will increase the operating temperature range, and thermal monitoring will maintain the accuracy of LED products |
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Using current source drivers to boost series-connected LED output
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2007-04-20 |
| This article examines the design of a constant-current LED driver that can be used for driving a string of series-connected LEDs |
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LED-driver level-shifter includes fault detection
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2007-10-18 |
| Overcome the drawback of loss of fault detection in LED-string drive |
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Intelligent options suited for LED lamps
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2010-06-22 |
| This article explores a few of these intelligent options suited for LED lamps and the steps involved in achieving them |
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| How green are AC mains-dimmable LED lamps
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2011-10-07 |
| Here's a comparison between the 60 W incandescent lamp and two commercially available mains dimmable LED lamp |
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Selecting and designing a LED driver
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2004-07-16 |
| The article analyzes the choices, constraints and trade-offs on selecting white LED drivers for portable consumer devices |
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Developing constant current regulation for automotive LED lighting
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2010-06-17 |
| By using a simple value process, it is possible to speed up the analysis and help identify the best approach to take when developing a constant current regulation scheme for automotive interior LED lighting systems |
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Reduce eyestrain with LED soft-start
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2009-04-16 |
| Read about an LED-driver IC with thermal-foldback protection to emulate the natural soft start of an incandescent bulb |
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How to save power on LED drivers for traffic, message signs
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2009-09-24 |
| As the LED brightness is adjusted by current, a constant current LED driver is necessary to keep uniform LED brightness |
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Employ solar LED lighting for rural areas
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2009-04-13 |
| Read about solar LED lighting solutions that use an efficient way to convert energy into light |
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Stacked LED makes compact optocouplers
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2005-04-01 |
| Get to know how stacked LED can enhance packaging capabilities and flexibility in your chip design |
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Logarithmic LED panel display has 72-dB range
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2006-10-30 |
| Build a LED-column display with log response, but without a conventional analogue logarithmic converter |
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Use inductive converter LED drivers
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2008-02-01 |
| Mid-size LCD panel applications and devices with LCD backlighting require LED drivers to deliver a regulated current to the LEDs across all operating conditions to achieve maximum efficiency and display quality |
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The multiple challenges and solutions to flash LED drivers
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2008-03-31 |
| The article discusses some of the problems and challenges in using flash LED drivers for mobile devices. Here are some suggestions on how to overcome and solve these obstacles in using these LED drivers |
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Thermal design considerations for high-power LED systems
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2007-02-12 |
| Smart thermal management will increase the operating temperature range and thermal monitoring will maintain the accuracy of LED products. Thermal monitoring of high-power LED systems with programmable mixed signal controllers offers superior advantages over conventional circuits |
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Implementing thermal monitoring for LED operation
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2010-05-28 |
| This article discusses how to implement negative temperature coefficient (NTC) thermal management to achieve safer LED designs that consume less power |
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White LED flash drivers brighten DSCs
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2008-09-16 |
| Choosing the right LED flash driver can seem like a daunting task if certain types of questions are not addressed early in the design cycle. By examining some issues and concerns early, many future headaches can be prevented |
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Architecting next-generation smart LED lamp apps
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2010-05-20 |
| This article explores a few of these intelligent options suited for LED lamps and the steps involved in achieving them |
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| Boost LED performance via current source
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2007-04-10 |
| For optimum performance, high-brightness LEDs should be driven by a current source rather than by a voltage source. |
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| Maximise battery life with smaller LED drivers
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2007-03-23 |
| The advantages of charge pumps over inductive boost solutions for driving miniature LEDs are their compact size, ease of implementation and low noise. |
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LED lighting control with powerline comms
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2011-04-18 |
| Find out how the standard powerline can be adapted to control the attributes of many independent LED-based lighting fixtures |
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What's slowing down LED lighting adoption
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2009-09-09 |
| This article looks at what's slowing down the adoption of solid state lighting in the form of high intensity LEDs, a highly efficient light source. |
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LED colour mixing using programmable analogue
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2006-11-15 |
| From cutting the BOM to dynamically configuring the analogue circuit for each signal, programmable ICs can provide cheap, accurate solutions for colour mixing applications. |
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Powering LED-backlit LCDs using DC-DC topology (Part 2
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2011-04-25 |
| Know the approaches and trade-offs in supply topologies and configurations when powering LED arrays |
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