Integrate SMPS control in LED applications
|
2008-07-15 |
| This article discusses how to incorporate the feedback and control circuitry for the SMPs into the MCU. |
|
| Maximise battery life with smaller LED drivers
|
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. |
|
| LED lighting control with powerline comms
|
2011-04-18 |
| Find out how the standard powerline can be adapted to control the attributes of many independent LED-based lighting fixtures |
|
| How to implement small LCD backlighting--LED driver considerations
|
2007-10-04 |
| Here are several do's and don'ts, requirements and considerations, all surrounding LCD backlighting for handsets. |
|
| LED colour mixing using programmable analogue
|
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. |
|
| Powering LED-backlit LCDs using DC-DC topology (Part 1
|
2011-04-18 |
| Learn about the approaches and trade-offs in supply topologies and configurations, when powering LED arrays |
|
| Enhance UI in appliances using LED
|
2011-08-15 |
| Know the tradeoffs when integrating LEDs in today's smart appliances to achieve an advanced user interface and a high-end aesthetic. |
|
| Boost LED performance via current source
|
2007-04-10 |
| For optimum performance, high-brightness LEDs should be driven by a current source rather than by a voltage source. |
|
| Selecting the best topology for white LED drive electronics
|
2007-04-22 |
| Here's how to minimize design challenges when replacing older lighting technology with light emitting diodes. |
|
| Design LED drivers for portable devices
|
2008-11-19 |
| Read about different LED solutions for backlighting and display of portable electronics |
|
| Simulation eases LED lighting junction temp measurement
|
2011-03-28 |
| Find out how simulation tools can be used to predict the junction temperatures of LEDs and reduce hot spots while minimising the size of the overall lighting product. |
|
| Use active PFC offline LED controller for primary-side control
|
2011-12-14 |
| Read about a power solution touted to reduce component costs and improve overall energy efficiency. |
|
| 2D LED dimming enhances TV performance
|
2008-06-16 |
| Adaptive backlight dimming requires a significant amount of image processing on the video stream for optimum backlight and pixel drive signals. |
|
| Want to boost battery voltage in White LED apps
|
2008-01-31 |
| If you're tired of the extra cost and real estate lost when using a step-up DC/DC converter, consider instead a charge pump, also known as a switched capacitor converter, to boost battery voltage. Here are the principles involved. |
|
| Timeout protection for high-current flash LED drivers in cameras
|
2007-05-09 |
| High-intensity LEDs in camera flash units can degrade or burn out from overuse and overheating, often due to software problems. This article provides information on a circuit that manages flash time control to prevent overheating. |
|
| Predicting and measuring feedback loops in current-mode boost high-brightness LED drivers (2
|
2007-10-28 |
| High-brightness LEDs have unique drive needs; understand them for a successful, reliable, efficient design. |
|
| How to design a microcontroller-based three-channel LED driver (1
|
2008-01-09 |
| A microcontroller-based current-mode supply can effectively drive light-emitting diodes (LEDs). |
|
| Use hysteretic converters for multiple LED lighting
|
2008-07-23 |
| This article explores hysteretic converters, using examples of different circuit configurations to discuss some inherent problems and their impact on particular applications. |
|
| Auto-biasing white LED drivers reduce overall power
|
2004-10-01 |
| The current-controlled boost converter consumes less power than a standard circuit high-voltage step-up converter with fixed-output voltage. |
|
| Measure feedback loops in current-mode boost LED drivers
|
2008-12-04 |
| Learn the different driver needs of high-brightness LEDs to create reliable and efficient designs. |
|
| Predicting and measuring feedback loops in current-mode boost high-brightness LED drivers (1
|
2007-10-26 |
| High-brightness LEDs have unique drive needs; understand them for a successful, reliable, efficient design. |
|
| Get more out of LED-based lighting systems with inductive converters
|
2008-02-17 |
| Beyond large-panel LCD backlighting, LEDs are also replacing incandescent bulbs and halogen lights in more applications. Here are some of the most effective driver methods. |
|
| Power factor regulation, dimming with LED driver
|
2009-02-17 |
| Read about a power-factor-regulated circuit that can also implement dimming function. |
|
| Protect against open LED faults
|
2009-04-27 |
| Learn how to prevent the rapid rise of output voltage through a protection circuit. |
|
| Implement capacitive proximity sensing, Part 2
|
2009-02-06 |
| Here's a design of a proximity sensor that will detect an approaching hand and switch on an LED |
|
| Powering LEDs for various lighting apps
|
2007-03-28 |
| White LED driver ICs must be able to deliver sufficient current and voltage for the specific configuration of LEDs and in a conversion topology that satisfies both the input voltage range, and required output voltage and current requirements |
|
| Powering up next generation automotive lighting (1)
|
2007-09-07 |
| Here's a look at the power-supply requirements of both light-emitting diode (LED) and cold cathode florescent lamps (CCFLs) in interior and exterior automotive lighting |
|
| Displays enable situation-based info systems
|
2009-05-26 |
| Read about the latest trends in automotive display, especially LED backlighting which has better starting properties than CCFL |
|
| Powering high-brightness LEDs
|
2007-07-19 |
| Increasingly powerful high-brightness LEDs (HB LED) offer many application advantages, but drive circuitry is a critical part of the design |
|
| How to efficiently interface TRIAC dimmers and LEDs
|
2011-07-11 |
| TRIAC dimmers installed worldwide are now at 20 lakh. These dimmers can prove to be a challenge to interface with LED drivers. With such a large base, backward compatibility is a must |
|
Strange modes of transport and other "stuff"
|
|
|IIC-China
|
|
|Electronic Components|Computer Products|Trade Show Center
|Site Feedback|Site Map|Help|About Us|Contact Us|Terms of Use|Privacy Policy|Security Commitment