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Lighting & Illumination

 



 

 

Lighting & Illumination

September 2016
Energy conservation and reduction in CO2-emissions are key factors in mitigating global warming and preserving our future environment. These positive trends are leading to wider usage of power semiconductors in energy conversion systems supplying the rapidly growing global energy demand. IGBT (Insulated Gate
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Date:
09/29/2016
Linear's latest monolithic synchronous step-up Silent Switcher LED driver dims smoothly

The LT3922 monolithic, synchronous, step-up DC/DC converter

The LT3922 is a monolithic, synchronous, step-up DC/DC converter with internal 40V, 2A power switches and an internal PWM generator. Its fixed frequency peak current mode control accurately regulates current within ±2% for a string of LEDs up to 34V. Its integrated PWM generator offers up to 128:1 dimming ratio.
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Date:
09/19/2016
Digital LED driver ICs from Infineon offer flicker-free control and low stand-by power

XDPL8220 LED driver

The XDPL8220 from Infineon Technologies extends their product portfolio of digital and configurable LED driver ICs. The IC enables the lighting industry to realize essential features for smart lighting and increases the benefits for both, end user and manufacturers. The primary side control of this device saves
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Date:
09/16/2016

Get improved harvests with advanced LED plant-lighting solutions

ILS Petunia Development Kit

RS Components, a leading distributor for engineers, has introduced new LED-lighting components and kits that enable designers to create advanced products for boosting horticultural business performance. The Petunia series by Intelligent LED Solutions (ILS) features LED modules that generate various combinations
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Date:
09/15/2016
50A to 300A, Scalable ÂμModule Regulator Needs 60% Less Capacitance to Power Sub-28nm GPUs, FPGAs, ASICs & Processors

µModule® Regulator with Precision DC & Transient Voltage Accuracy for Advanced Digital Devices

Linear Technology Corporation introduces the LTM4650-1A and LTM4650-1B, dual 25A or single 50A µModule® (power module) regulators scalable to deliver 300A to high power, low voltage sub-28nm
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Date:
09/08/2016
Here we’ll show how Spice can be used to provide proximity loss results for magnetics windings. Proximity loss equations are solved for a set of frequencies, and a simulation circuit is generated which predicts the proper AC losses regardless of the current waveform. Inductor winding AC
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Date:
09/05/2016
It should come as no surprise to anyone that a the continuing adoption of Digital Power System Management (DPSM) within the communications and computer industries continues to  be driven, in large part, to the high current levels demanded by the sub-20nm ASICs and/or FPGAs that are at the core of their
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Date:
09/05/2016
In response to Google’s Little Box Challenge (LBC), our Virginia Tech team, the Future Energy Electronics Center (FEEC), decided to design a power inverter. As shown below, our design significantly surpassed the LBC specifications. Our final design exhibited a power density of 61.2 W/in3,
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Date:
09/05/2016
Industrial automation systems are undergoing a revolution to reduce latency and down time. This directly translates to increased profits for factory operators and machine builders.  Dubbed Industry 4.0, this effort will add more intelligence across the factory floor from HMI panels and controllers to communication
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Date:
09/05/2016
Smaller, smarter, and more powerful are market trends for low-power switched-mode power supply (SMPS) applications. Smaller requires the SMPS to have a more compact form factor – and, thus higher power density. Smarter requires intelligent system-to-system/system-to-human communication to ensure the systems
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Date:
09/05/2016
Measuring the resistance of something is a great deal more complicated if that resistance is very small. With bigger resistances, measurements can be as simple as connecting two leads between a digital multi-meter (DMM) and the device under test (DUT) and reading the number. With small resistances, the multitude
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Date:
09/03/2016
Thermal behavior is important to determining the lifetime performance of electronic system design and the power supply is a critical element in determining that behavior. Heat has a number of effects on a system. The most problematic at a system level is one of long-term reliability. High operating temperatures
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Date:
09/03/2016
In the last few years GaN based devices, both discrete FET’s and MMIC’s, have been released and widely used in high power microwave amplifier systems.  These devices, available from several foundry sources, are typically fabricated on 100mm SiC wafers.  GaN on Si processes are also under consideration,
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Date:
09/03/2016
This software, in combination with Rigol oscilloscopes (series DS/MSO2000A, DS/MSO4000 or DS6000) allows customers to set up small test systems, which represent a reasonably priced alternative for measuring switching power supply parameters during the development phase. Switching power supplies are
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Date:
09/03/2016
The implementation of the “Smart Grid” is accelerating rapidly.  Once just a vision in eyes of power engineers and utilities, the Smart Grid is swiftly taking shape.  A major driver in realizing a truly smart electrical grid is the adoption of distributed energy resources (DERs).  Grid-connected
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Date:
09/03/2016
In the last part of this series, we saw that only one of the modulator gains found in the literature can be confirmed with measurements. Furthermore, it is shown that the discrepancies in all the models are easily resolved by proper sampling of the system. Different current-mode modulator
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Date:
09/03/2016
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