High-power LEDs Coverage on EDN

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2012 ACE Awards Ultimate Products: Development kits, reference designs, and SBCs

... with PHY, multiple UARTs and SDIO; optional display capabilities with integrated display controller and basic image processing capabilities for intuitive graphics and video playback; integrated power management; performance and feature scalability that is part of a complete ARM portfolio;  ZigBee radio transceiver; very low power consumption, suitable for battery-operated devices; support for multiple...
http://www.edn.com/article/520799-2012_ACE_Awards_Ultimate_Products_Development_kits_reference_designs_and_SBCs.php

The prototype comes of age

... of the chain, and changes would propagate throughout the chain. In the real world, however, engineers make changes to the subsequently derived models, potentially leading to departures between the original high...
http://www.edn.com/article/520449-The_prototype_comes_of_age.php

Offline ac/dc PFC flyback regulator eschews optocoupler; simplifies, improves design

...Going from ac-line to dc constant-current/constant-voltage power is a challenge because you must balance the need for sufficient regulation, efficiency, and PFC with the need for low parts count...
http://www.edn.com/article/520481-Offline_ac_dc_PFC_flyback_regulator_eschews_optocoupler_simplifies_improves_design.php

Circuit protection basics - Part 1: Issues and design solutions

... strikes meant death to your equipment. The reality is that less than 0.05% of power related events that damage electronics are caused by voltage surges and spikes. But the industry was selling surge...
http://www.edn.com/article/520399-Circuit_protection_basics_Part_1_Issues_and_design_solutions.php

Our editors' favorite gadgets

... you need your arduino to perform, and because it's all open-source, you have access to the original code and can modify or improve it and be on your way. Power Station: This power backup system that I got...
http://www.edn.com/article/520341-Our_editors_favorite_gadgets.php

What is IT?

... of experience in mathematics, computer science, and computer engineering. He and I always try to find ways to be inclusive, so our conversation took that tack. He started our discussion by turning around the subject to focus on the technology of information; that reframing was eye-opening and led to valuable observations.Human beings are inherently problem solvers, and all disciplines, including business...
http://www.edn.com/article/520284-What_is_IT_.php

HB-LED-driver chip set provides dimming, PFC

..., targets use in offline power supplies.The NCL30051’s half-bridge stage operates at a fixed frequency. You achieve regulation by adjusting the PFC-stage output voltage. The device integrates open feedback...
http://www.edn.com/article/520316-HB_LED_driver_chip_set_provides_dimming_PFC.php

PC boards: Materials and processing are now a hot technology

... the inductor and capacitors. A major high-tech push has been metal-core PCBs. Metal-core PCBs dissipate heat nine times better than FR4 PCBs. These substrates have flourished with the advent of LED lighting...
http://www.edn.com/article/520298-PC_boards_Materials_and_processing_are_now_a_hot_technology.php

Automotive electronics: What's hot in 2012

... features and interfaces, is seen as a way of distinguishing one brand from another, while electrified power trains in the form of hybrids and pure electric drives will be available in more models. It must...
http://www.edn.com/article/520294-Automotive_electronics_What_s_hot_in_2012.php

The hottest trends in programmable logic

... V, and Stratix V. These families are highly differentiated, with almost every aspect of each family targeted at specific market segments. This includes the process itself (a low-power process used...
http://www.edn.com/article/520293-The_hottest_trends_in_programmable_logic.php


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