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Content tagged with Power
posted in June 2010
Power-over-Ethernet technology goes the distance with latest enhancements
Design How-To  
6/29/2010   Post a comment
How midspans offer an energy-efficient way to deploy PoE and intelligently manage network power consumption
DC/DC converter powers systems from 18V to 75V
Product News  
6/28/2010   Post a comment
Ericsson Power Modules has developed a quarter-brick, isolated DC/DC converter that is optimized to deliver the highest efficiency across an ultra wide input voltage range of 18V to 75V, enabling designers to use the same DC/DC converter in both 24V and 48V-battery-based systems.
Designing systems for extreme environments
Design How-To  
6/28/2010   Post a comment
Designing embedded systems destined for extreme environments, such as 1 mile below the surface of an ocean, adds a layer of complexity and difficulty for the designer. Nate Holmes of National Instruments describes some common challenges and latest tools and approaches to issues like power and test that can aid designers in creating successful systems headed for tough spots.
Case study: Sequential mating connector systems link portable power-distribution equipment
Design How-To  
6/28/2010   Post a comment
This is a look at a different power-connector and interconnect situation and solution, where power levels are high and user-safety issues are a major concern.
SmartFusion tool eases power management design
Product News  
6/22/2010   Post a comment
Actel Corp. has added a power management design kit for its SmartFusion intelligent mixed signal FPGAs which includes a complete reference design with graphical configurator to enter power sequencing and trimming requirements.
Convert parallel impedances to series impedances
Design How-To  
6/21/2010   4 comments
Understand how impedance-topology conversion can simplify transformer equivalent circuits or filter networks
Source Measure Units tame challenges of assessing battery drain, power-supply functional test
Design How-To  
6/21/2010   Post a comment
Agilent N6781A and N6782A tackle non-trivial dynamic range and speed issues needed for today's products and test/measurement situations
Interview: Stanford's top engineer from chips to ABCs
News & Analysis  
6/16/2010   12 comments
We sat down recently with James Plummer, dean of Stanford's school of engineering, for a wide ranging interview on the outlook for CMOS, engineering, education and globalization.
Online MOSFET thermal simulation tool offers increased simulation accuracy
Product News  
6/16/2010   1 comment
Vishay Intertechnology has improved its ThermaSim online MOSFET thermal simulation tool to provide increased simulation accuracy, efficiency, and user friendliness.
Controlling synchronous rectifiers with digital isolators
Design How-To  
6/14/2010   Post a comment
Understand how a digital isolator can benefit a synchronous rectifier design and the critical design parameters when using one
"Also of Interest" and "Elementals" for June 14, 2010; plus recent "Planet Analog" Newsletters
News & Analysis  
6/12/2010   Post a comment
Check out these interesting and tutorial items from other engineering and design publications, courtesy of "Planet Analog", as well as an archive of the "Planet Analog" Newsletter
Ikaros probe to Venus successfully deploys 'solar sail'
News & Analysis  
6/11/2010   5 comments
Japan's space agency confirmed that a solar sail on its Ikaros planetary probe has been successfully deployed.
Opinion: Goodbye, incandescent bulb--or maybe not?
Blog  
6/11/2010   15 comments
Before we rush to get rid of incandescent bulbs, we should honestly acknowledge their virtues, as well as the shortcomings of electronic alternatives
Atmel analog companion chip enables ARM9-based multimedia solutions
Product News  
6/11/2010   Post a comment
Atmel has announced production availability of the Atmel AT73C246 analog companion chip to provide power supplies and audio I/O to match the Atmel AT91SAM9 ARM9-based MCUs (and equivalent 32-bit devices) to host multimedia applications.
Goodbye, incandescent bulb--or maybe not?
Power DesignLine Blog  
6/11/2010   14 comments
Before we rush to get rid of incandescent bulbs, we should honestly acknowledge their virtues, as well as the shortcomings of electronic alternatives
Sevcon rolls e-vehicle compact motor controllers
Product News  
6/11/2010   Post a comment
Sevcon Ltd. has expanded its range of advanced technology Gen4 AC motor controllers for electric vehicles with the introduction of a very compact unit, aiming at vehicles with restricted space, including electrical bikes and scooters.
Battery charger matches solar cell peak power tracking with simple control loop
Product News  
6/10/2010   Post a comment
Linear Technology's LT3652HV is a higher voltage version of its LT3652 monolithic buck battery charger for modern battery chemistries.
Sensors Expo: Powercast demos a prelude to mobile network RF energy harvester
News & Analysis  
6/9/2010   1 comment
After setting up an RF energy-harvesting demo at this week’s Sensors Expo collocated with ESC Chicago, Powercast’s director of marketing Harry Ostaffe presented a paper that outlined the concepts and paths to what he believes to be the endgame: full ambient RF harvesting capabilities that sip power from ubiquitous mobile networks and eliminate batteries and direct RF power sources completely.
The application guides the MOSFET selection process
Design How-To  
6/7/2010   1 comment
Understand how the class of application determines which MOSFET device parameters are priorities
Managing the power in wireless sensor networks powered by energy-harvesting circuitry
Design How-To  
6/7/2010   1 comment
Wireless sensor networks, combined with energy harvesting, are a powerful combination; understand how supercapacitors can help deliver the needed power
MOSFET half-bridge yields over 90% efficiency at 25A, despite far smaller size
Product News  
6/7/2010   Post a comment
NexFET Power Block from Texas Instruments uses two MOSFETs stacked in a single package, eases layout and thermal issues.
Software drives mesh nets for smart meters
News & Analysis  
6/7/2010   Post a comment
Arch Rock is releasing software based on Internet Protocol standards for a new generation of radio chips from companies such as Analog Devices and Texas Instruments aimed at supporting wireless mesh neighborhood networks to link smart meters to utility networks.
My "fans" want to know: what's the thermal impedance of dust?
Power DesignLine Blog  
6/4/2010   4 comments
A layer of dust on heat-sink fins causes all sorts of headaches and noise
Freescale cuts Atom power by 50X
News & Analysis  
6/1/2010   Post a comment
Freescale described its power management IC for Intel's Atom that enables operating power to be cut in half and standby power to be reduced by 50-times over previous Atom processors.
Student Entrepreneur: Gets competitive
Blog  
6/1/2010   1 comment
Simon Barker, EE Times' resident Student Entrepreneur decides to enter his university's Enterprise Challenge competition. But he leaves it late and burns the midnight oil!


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Max Maxfield

Steve Wozniak Reacts to Latest iPhone
Max Maxfield
5 comments
Funnily enough, just a few days ago as I pen these words, I was chatting with my wife (Gina the Gorgeous) when she informed me that -- as a kid -- she had never played at making a ...

EDN Staff

11 Summer Vacation Spots for Engineers
EDN Staff
20 comments
This collection of places from technology history, museums, and modern marvels is a roadmap for an engineering adventure that will take you around the world. Here are just a few spots ...

Glen Chenier

Engineers Solve Analog/Digital Problem, Invent Creative Expletives
Glen Chenier
15 comments
- An analog engineer and a digital engineer join forces, use their respective skills, and pull a few bunnies out of a hat to troubleshoot a system with which they are completely ...

Larry Desjardin

Engineers Should Study Finance: 5 Reasons Why
Larry Desjardin
46 comments
I'm a big proponent of engineers learning financial basics. Why? Because engineers are making decisions all the time, in multiple ways. Having a good financial understanding guides these ...

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