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Lighting & Illumination

 



 

 

Lighting & Illumination

December 2014
Here are the results of an output capacitor benchmark study used in a step-down DC/DC converter design, based on a well-used control IC (Maxim’s MAX 1537 [1]) with a 6-24V input voltage range and two separate voltage outputs of 3.3 and 5V. “Some 99 percent of so-called ‘design’ problems associated
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Date:
12/30/2014
There is no Moore’s Law for passive components like capacitors, but relentless development is delivering the kinds of devices engineers need to deliver cutting-edge new products for modern living. Capacitors have for many years enabled electronic designers to manage energy within circuits and fulfill basic
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Date:
12/30/2014
The counterfeiting of well-known brands and products is a growing problem, estimated to be five to seven percent of world trade. Among those well-known brands are consumer safety and critical electrical products, which can have threatening implications for workers and facilities. The cost
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Date:
12/30/2014

The Department of Energy has issued a pre-publication Federal Register notice of proposed rulemaking regarding clarification for fluorescent lamp ballasts (December 29, 2014).   All notices, public comments, public meeting transcripts, and supporting documents associated with this
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Date:
12/30/2014
Defining consumer electronics

Kevin Parmenter, Excelsys

Once upon a time electronics went into neat precise product categories, making marketing people at electronics component companies happy. However the situation has become far more complex. Consumer electronics products are now finding their way into other applications, because frankly they are better, faster,
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Date:
12/30/2014
2014 trends lay groundwork for IoT

The Intel Edison is part of a Wearables campaign by Intel.

The Internet of Things (IoT) promises to construct a digital shadow of the physical world, and this presents opportunities that are tremendous in scope and profound in their implications. At the same time, realizing this vision of a massively interconnected life requires both the push of a critical mass of smart
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Date:
12/19/2014
Power Integrations launches reference design for high-power LED lighting

The RDR-382 Power Integrations HiperPFS-2 PFC controller ICs and HiperLCS integrated LLC power stage ICs

Power Integrations, a leader in high-efficiency, high-reliability LED-driver ICs, announced an advanced reference design for LED streetlights, high-bay lights and other high-power LED-lighting applications. The new design, RDR-382, describes a constant current, 43 V (nominal), 150 W reference power supply for
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Date:
12/17/2014
ON Semiconductor offers updated PFC AC/DC drivers for LED lighting

NCL3008x family of products

ON Semiconductor, driving energy efficient innovations, announced two new series of power factor corrected (PFC) offline AC/DC drivers for high-performance LED lighting applications. Extending the NCL3008x family of products, the NCL30085, NCL30086 and NCL30088 address single stage design implementations up
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Date:
12/16/2014
Smart lighting for Christmas trees

The Lightify light chain and smartphone app drives the Christmas tree to around 16 million different colors

Osram is now offering ”smart“ lighting for Christmas trees. The Lightify light chain enables the festive trees to radiate in around 16 million different colours, controlled by a smartphone app. Thanks to modern LED technology, Christmas budgets are also better – the German Energy Agency calculates that
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Date:
12/11/2014
In this episode of PSDtv Maxim Integrated shows several of their core technologies for home automation for Power Systems Design. One of the demonstrations involves Belkin'g WEMO-compatible
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Date:
12/09/2014
Osram Ostar Stage LED enables brighter stage lighting

Osram Ostar Stage LED

Osram Opto Semiconductors has introduced a new LED for stage lighting. Compared with previous members of the product family, the new Osram Ostar Stage offers more than twice the lumen output with a component surface that is only 30 percent larger. The new version contains two square-millimeter high-current chips
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Date:
12/09/2014
ROHM 12 channel Constant Current LED drivers offer advanced communication, diagnostics, and protection

BD1837xEFV-M serial input controlled constant-current LED driver

ROHM Semiconductor extends it comprehensive series of automotive LED drivers with its new AEC Q100 qualified 12 channel BD1837XEFV-M family. Due to its individual calibration and PWM features it not only offers advanced LED accuracy and flexibility but also a complete design solution for automotive clusters
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Date:
12/03/2014
Kingbright ultra flat SMD LEDs now available at TTI

SMD-LEDs from Kingbright

The latest SMD-LEDs from Kingbright designed to meet the demand for LEDs in small packages with ultra-low profiles are now available at TTI, Inc., the world’s leading specialist distributor of passive, connector, electromechanical and discrete components. Kingbright’s KPG-1005, KPG-1608 and KPGA-1602 SMD-LED
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Date:
12/03/2014
PFC (power-factor correction) circuit designers have used average current-mode control for decades (figure 1). Various analog PFC-control chips based on this control algorithm are available in the commercial market.
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Date:
12/03/2014
Molex SlimRay pre-wired LED COB array holders tout electrical and thermal performance

SlimRay Pre-Wired LED Chip-On-Board (COB) Array Holder

Molex announced that its first SlimRay Pre-Wired LED Chip-On-Board (COB) Array Holders reduce assembly time while increasing reliability, with compression contacts that eliminate hand soldering and simplify the LED installation process. The holder for 13.35 by 13.35mm COBs comes as a single piece in a 25.0mm
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Date:
12/02/2014

 



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