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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| 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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| Enhance UI in appliances using LED
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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. |
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| Apply LED lighting control with thermal monitoring
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2011-05-02 |
| Find out how to implement negative temperature coefficient thermal management to achieve safer LED designs that consume less power |
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| Selecting the best topology for white LED drive electronics
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2007-04-22 |
| Here's how to minimize design challenges when replacing older lighting technology with light emitting diodes. |
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| How to design a microcontroller-based three-channel LED driver
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2008-01-11 |
| A microcontroller-based current-mode supply can effectively drive LEDs. |
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| Low-end 8-bit MCUs enable bright automotive LED control
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2006-07-13 |
| LEDs have become popular in automotive lighting as a replacement for halogen low-voltage lighting technology. |
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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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| Integrate SMPS control in LED applications
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2008-07-15 |
| This article discusses how to incorporate the feedback and control circuitry for the SMPs into the MCU. |
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| Powering LED-backlit LCDs using DC-DC topology (Part 1
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2011-04-18 |
| Learn about the approaches and trade-offs in supply topologies and configurations, when powering LED arrays |
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| Design LED drivers for portable devices
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2008-11-19 |
| Read about different LED solutions for backlighting and display of portable electronics |
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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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| Timeout protection for high-current flash LED drivers in cameras
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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. |
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| Simulation eases LED lighting junction temp measurement
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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. |
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| Measure feedback loops in current-mode boost LED drivers
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2008-12-04 |
| Learn the different driver needs of high-brightness LEDs to create reliable and efficient designs. |
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| Auto-biasing white LED drivers reduce overall power
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2004-10-01 |
| The current-controlled boost converter consumes less power than a standard circuit high-voltage step-up converter with fixed-output voltage. |
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| Use active PFC offline LED controller for primary-side control
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2011-12-14 |
| Read about a power solution touted to reduce component costs and improve overall energy efficiency. |
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| Predicting and measuring feedback loops in current-mode boost high-brightness LED drivers (2
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2007-10-28 |
| High-brightness LEDs have unique drive needs; understand them for a successful, reliable, efficient design. |
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| How to design a microcontroller-based three-channel LED driver (1
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2008-01-09 |
| A microcontroller-based current-mode supply can effectively drive light-emitting diodes (LEDs). |
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| 2D LED dimming enhances TV performance
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2008-06-16 |
| Adaptive backlight dimming requires a significant amount of image processing on the video stream for optimum backlight and pixel drive signals. |
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| Want to boost battery voltage in White LED apps
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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. |
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| Get more out of LED-based lighting systems with inductive converters
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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. |
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| Power factor regulation, dimming with LED driver
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2009-02-17 |
| Read about a power-factor-regulated circuit that can also implement dimming function. |
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| Predicting and measuring feedback loops in current-mode boost high-brightness LED drivers (1
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2007-10-26 |
| High-brightness LEDs have unique drive needs; understand them for a successful, reliable, efficient design. |
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| Protect against open LED faults
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2009-04-27 |
| Learn how to prevent the rapid rise of output voltage through a protection circuit. |
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| Use hysteretic converters for multiple LED lighting
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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. |
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| Powering high-brightness LEDs
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2007-07-19 |
| Increasingly powerful high-brightness LEDs (HB LED) offer many application advantages, but drive circuitry is a critical part of the design |
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| Powering up next generation automotive lighting (1)
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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 |
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| Displays enable situation-based info systems
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2009-05-26 |
| Read about the latest trends in automotive display, especially LED backlighting which has better starting properties than CCFL |
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| Controlling power and cost for multiple LEDs
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2006-11-05 |
| Find out about a power efficient and cost-effective method for controlling LED lighting |
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Strange modes of transport and other "stuff"
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