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Content tagged with Power
posted in March 2012
Fundamentally Powerful
Engineering Pop Culture!  
3/30/2012   2 comments
Monday is the start of something new and powerful. It is the start of a major experiment within the EDA Designline that could have big ramifications…
OneLED - Waterproof LEDs advance design of outdoor displays
Design How-To  
3/30/2012   1 comment
Small multi-color LEDs with high brightness performance are ideal candidates for outdoor video displays with high resolution. This article will discuss the benefits of surface-mount LEDs which are made from a completely black package for highest contrast indoor video, as well as ingress protected (IP) LEDs for outdoor use.
High-voltage surge stoppers ensure reliability during power spikes
Design How-To  
3/29/2012   6 comments
In automotive, industrial, and avionic applications, high-voltage power supply spikes are commonly encountered. The electronics within these systems must not only survive surges, but in many cases also operate reliably throughout the event—and devices charged via automobile power points (lighters) must also be protected.
Precise control and regulation of LED colors for lighting design
Design How-To  
3/27/2012   3 comments
Good and efficient LED lamps require an intelligent activation system. This activation system must solve a number of technical challenges, among them, the color and intensity of individual LEDs which depend on age, current and temperature.
Eight19 readies printed plastic solar cell R&D center
News & Analysis  
3/26/2012   7 comments
Eight19 Ltd. (Cambridge, England), a spin-off from the University of Cambridge chartered with producing printed plastic solar cells, has announced it has commissioned a development and roll-to-roll printing facility at its headquarters.
Stion begins PV shipments from Hattiesburg factory
News & Analysis  
3/23/2012   2 comments
Stion, a startup formed to manufacture thin-film solar modules, has announced it has received UL and IEC certifications to ship modules from its Hattiesburg, Missouri factory.
Energy harvesting & battery pack protection from shunt charger IC systems
Design How-To  
3/23/2012   1 comment
Any solution to satisfy the battery charger IC design constraints must combine a shunt regulator's characteristics and those of a battery charging IC with the ability to charge from low power continuous or intermittent sources, said Linear Technology Corp.
Design West: Meet the author of 'Analog Circuit Design'
Social Mania  
3/22/2012   Post a comment
Bob Dobkin, CTO at Linear Tech, will be signing copies of "Analog Circuit Design—A Tutorial Guide to Applications and Solutions" at Design West.
Boost converter cuts fuel consumption up to 15%
Product News  
3/22/2012   Post a comment
International Rectifier's integrated AUIR3240S boost converter (battery power switch) is designed for automotive stop/start applications on both hybrid and IC-engine powered cars.
Functional safety implementations in modern MCUs
Design How-To  
3/22/2012   6 comments
Implementation of safety measures is on the rise in today’s automotive world in order to minimize the hazards in case of system malfunctions. Safety critical automotive operations need compliance with ISO 26262 (ASILx) and IEC 61508 (SILx) standards as their safe operation is directly linked to human and social safety.
Toshiba CUSxxF30 Schottky diodes
Product News  
3/21/2012   Post a comment
Toshiba Electronics Europe introduced a series of Schottky barrier diodes aimed at high-speed switching applications in the 500 mA to 1000 mA current range.
Syfer Technology has introduced a range of compact multilayer chip capacitors suitable for high voltage applications
Product News  
3/21/2012   Post a comment
Syfer Technology has introduced a range of compact multilayer chip capacitors suitable for high voltage applications, supplied with a built-in protective coating.
Solar PV market up 40% in 2011
News & Analysis  
3/20/2012   2 comments
Worldwide solar photovoltaic (PV) market installations grew to 27.4 gigawatts (GW) in 2011, up 40 percent year over year. The PV industry generated $93 billion in revenues in 2011, up 12 percent year over year, according to market watcher Solarbuzz LLC.
Osram QOD LED tile facilitates modular combinations
Product News  
3/20/2012   Post a comment
The square QOD LED lamp family from Osram has gained a new member.
Liquid cooled LED arrays as bright as 30 headlights
Design How-To  
3/19/2012   1 comment
Thanks to their increasing light output, high-power LEDs are becoming an interesting option for new applications...
Power Tip 45: Handling high dI/dt load transients, Part 2
Power Tips  
3/16/2012   Post a comment
Understand the options and tradeoffs when dealing with this common situation
UNIPHASE Sine wave hot-swap inverter modules offer low distortion benefits
Product News  
3/15/2012   Post a comment
UNIPOWER LLC has unveiled the SABRE LITE series of sine wave, hot-swap inverter modules available in a variety of different but compatible two unit 19in shelves.
Murata Power Solutions has packaged its UWQ series of isolated open-frame 204 Watt DC/DC converters
Product News  
3/15/2012   1 comment
The UWQ series has an ultra-wide 4:1 input voltage range of 18 – 75 VDC around a nominal 48 VDC input.
Protecting PoE systems from lightning surges and other electrical hazards
Design How-To  
3/15/2012   Post a comment
This article provides guidance on evidence-based design methods that protect Power over Ethernet equipment from electrical hazards.
Vicor IB050Q096T80N1-00 quarter-brick intermediate bus converter module
Product News  
3/15/2012   Post a comment
Vicor's 80A quarter-brick intermediate bus converter module can provide up to 850W of output power, making it well suited for demanding applications spanning enterprise, optical access and storage networks.
Evaluating a DC/DC converter in the lab
Design How-To  
3/14/2012   Post a comment
How to check performance of a switch-mode power supply circuit at the bench
Heliatek opens organic PV factory, plans second plant
News & Analysis  
3/14/2012   Post a comment
Heliatek GmbH has opened its first production facility for the manufacture of flexible organic solar cells with a ceremony at the Dresden site attended by the prime minister of Saxony, Stanislaw Tillich.
Twin Creeks emerges from the shadows with new solar approach
News & Analysis  
3/13/2012   10 comments
The manufacturing equipment maker promises to shift the focus of solar and chip manufacturing with a wafer production machine that it claims can greatly reduce silicon and other substrate material costs.
We teardown a Chevy Volt (exclusive videos)
Design How-To  
3/12/2012   2 comments
What makes a Chevy Volt tick (and whirr and hum) is revealed in these videos where the car was taken apart over three days—quality, ruggedness, and modularity for incorporating future technology are apparent.
Buck-boost driver/controller for HB LEDs delivers over 100W
Product News  
3/12/2012   Post a comment
LT3791 synchronous converter from Linear Technology supplies high-brightness LED strings; handles poorly behaved supply rails
USB battery charging: it’s harder than it looks
Design How-To  
3/11/2012   9 comments
Understand the subtleties and traps in this "simple" charging situation
Intelligent lighting controller measures ambient light and tracks time
Design How-To  
3/9/2012   5 comments
With modern semiconductor technology, it is not difficult to design a controller that measures the ambient light level and controls lighting in a preset way.
Vishay MKP1847 AC film capacitor
Product News  
3/9/2012   Post a comment
Vishay's AC polypropylene film capacitor boasts a wide capacitance range of 1 µF to 70 µF and long life of more than 60,000 hours.
B&B Electronics Ulinx UHR401 and Ulinx UHR402 USB isolators
Product News  
3/9/2012   Post a comment
B&B Electronics' latest USB isolators are built to withstand industrial networking hazards like shock, drop, vibration, electromagnetic interference and temperature extremes.
Microsemi PD-9524G midspan
Product News  
3/9/2012   Post a comment
Microsemi's high-density option supports both new and legacy-powered devices while improving cost and power efficiency.
Transmitter/receiver pair serves as antitheft alarm
Design How-To  
3/8/2012   3 comments
Simple circuit consists of a transmitter/receiver pair that functions as an automobile antitheft alert system. When the vehicle leaves the area, this circuit sounds an alarm because the distance between the transmitter and receiver increases and the received power level falls below a predetermined threshold.
GaN power market to rise to $10 million in 2012, says Yole
News & Analysis  
3/7/2012   1 comment
The market for power devices implemented in gallium nitride was less than $2.5 million in 2011, according to market research firm Yole Developpement (Lyon, France). However, there is a great deal of R&D activity and Yole sees the power GaN market growing to nearly $10 million in 2012 and $500 million in 2016.
A hell of a way to run TGV
3/6/2012   14 comments
A power supply problem left passengers stuck on Eurostar trains between the U.K. and France for up to 11 hours on Monday and early Tuesday this week.
Powering an LED-based replacement for a T8 fluorescent tube
Design How-To  
3/6/2012   1 comment
Two approaches: a retrofit which replaces the traditional tube with an LED tube and only requires short-circuiting the starter; or replacing the traditional tube and the ballast
EIS simplifies battery measurement and characterization
Design How-To  
3/5/2012   3 comments
Electrochemical impedance spectroscopy (EIS) is increasingly important for measuring and characterizing batteries and other electrochemical systems. This non-invasive measurement method can be exploited not only in modeling energy storage such as batteries and fuel cells, but also in basic battery research and diagnostics.
Modern power line communication for the smart grid
Design How-To  
3/5/2012   4 comments
From the early usage of Power Line Communication, in Automatic Meter Reading, to replace the technician from the utility company, reading power meters in person, with an automated process, the industry has come a long way.
Implement PMBus hot-swap circuits in space-constrained applications
Design How-To  
3/5/2012   Post a comment
Understand the circuit analysis and design for this critical, challenging application area
ISO 26262 cuts electronics complexity risks: Pt. 2- Design for robustness
Design How-To  
3/2/2012   Post a comment
Future development and integration of automotive safety functions will strengthen the need to have safe system development processes and to provide evidence that all reasonable safety objectives are satisfied. ISO 26262 provides guidance to reduce these risks to a tolerable level by providing feasible requirements and processes.
Charge medical devices without wires
Design How-To  
3/1/2012   2 comments
Wireless charging offers convenience, but there are tradeoffs that must be recognized
Scientists to develop aqueous lithium-ion battery
SmartEnergy Designline Blog  
3/1/2012   1 comment
As the global energy demand continues to increase, a team of researchers at the Ruhr University Bochum, in Germany, is developing a water-based lithium-ion battery.

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