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York physicists pave the way for more energy efficient technology

February 28, 2014 10:09 am | by EurekAlert! | News | Comments

An international team of scientists led by physicists from the University of York has paved the way for a new class of magnetic materials and devices with improved performance and power efficiency. Magnetic materials are currently used to store digital information.

Electric drive vehicles don’t reduce emissions

February 28, 2014 9:26 am | by Chris Fox, PD&D Managing Editor | Blogs | Comments

A study was recently released by North Carolina State University that provides evidence supporting the fact that electric drive vehicles (EDVs) have little impact on reducing emissions. As an engineering audience that knows efficiency when they see it, most PD&D readers will throw their hands in the air having known this for some time.

Class-D amplifiers keeps evolving

February 27, 2014 3:54 pm | by Jun Honda, Director Audio Systems Engineering, International Rectifier | International Rectifier | Articles | Comments

Class D is redefining the trade-offs in audio power amplifier design, simultaneously delivering smaller size and higher power density with better sound than Class AB audio systems. Class D also has the advantage of offering low distortion and more stable dynamic response....

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90W AC/DC desktop power supply boasts industry’s slimmest package

February 26, 2014 4:25 pm | Product Releases | Comments

Power Partners (Hudson, MA) announces the PEAD90SLF Series of single output AC/DC desktop switching power supplies, which provide up to 90W of power. The standard input voltage range of 90-264VAC (47 to 63Hz) converts to output voltages of 12VDC, 18VDC, 19VDC and 24VDC....

Portable hydrogen fuel cell unit to provide green, sustainable power to Honolulu port

February 25, 2014 10:09 am | by EurekAlert! | News | Comments

Clean hydrogen power that's expected to lower emissions and reduce energy consumption will be coming to the Port of Honolulu in 2015 after the completion of a new fuel cell technology demonstration, one that could lead to a commercial technology for ports worldwide.

New, inexpensive production materials boost promise of hydrogen fuel

February 24, 2014 9:20 am | by EurekAlert! | News | Comments

Generating electricity is not the only way to turn sunlight into energy we can use on demand. The sun can also drive reactions to create chemical fuels, such as hydrogen, that can in turn power cars, trucks and trains. The trouble with solar fuel production is the cost of producing the sun-capturing semiconductors and the catalysts to generate fuel.

Vibration energy the secret to self-powered electronics

February 21, 2014 2:45 pm | by EurekAlert! | News | Comments

A multi-university team of engineers has developed what could be a promising solution for charging smartphone batteries on the go — without the need for an electrical cord. Incorporated directly into a cell phone housing, the team's nanogenerator could harvest and convert vibration energy from a surface....

Will plug-in cars crash the electric grid?

February 21, 2014 2:24 pm | by EurekAlert! | News | Comments

Selecting a Chevy Volt, Tesla Model S, Nissan Leaf — or one of many other new models — shoppers in the United States bought more than 96,000 plug-in electric cars in 2013. That's a tiny slice of the auto market, but it's up eighty-four percent from the year before.

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Power MOSFETs offer fast switching performance

February 20, 2014 4:39 pm | Advanced Power Electronics Corp. USA | Product Releases | Comments

Advanced Power Electronics Corp. (San Jose, CA) has recently launched new N-channel enhancement-mode power MOSFETs offering a fast switching performance and very low on-resistance. The AP99T03GS-HF-3 MOSFET comes in a TO-263 package.

DC/DC converters ideal for powering IGBT drivers

February 20, 2014 4:32 pm | Richardson RFPD, Inc., Recom Power Incorporated | Product Releases | Comments

Richardson RFPD (LaFox, IL) today announces availability and full design support capabilities for a large portfolio of high-isolation DC-to-DC converters from RECOM Power, Inc. (RECOM). Designed specifically for insulated-gate bipolar transistor (IGBT) systems, the converters' asymmetric outputs of +15V and -9V make them ideal to power IGBT drivers, replacing the need for two converters.

100 V gallium nitride FET targets high frequency applications with positive gain into the 3 GHz range

February 20, 2014 10:24 am | Efficient Power Conversion | Product Releases | Comments

Efficient Power Conversion Corporation (El Segundo, CA) extended its family of high-speed, high performance transistors with the EPC8010 power transistor. Sold in die form, the EPC8010 is 1.75 mm2 with 100 VDS.  Applications include hard-switching power converters operating in the multi-megahertz range....

Thick-film axial terminal resistors ideal for high frequency applications and controls

February 19, 2014 3:47 pm | Product Releases | Comments

Ohmite Manufacturing (Arlington Heights, IL) adds a new non-inductive option to their Maxi-Mox series of thick-film axial terminal resistors. This alternative to the standard configuration is ideal for high frequency applications and controls. Features include a resistance range of 250 ohms to 1 Teraohm.

Power transducer measures three phases of current and voltage

February 19, 2014 3:20 pm | Nk Technologies | Product Releases | Comments

NK Technologies (San Jose, CA) introduces APT Series Power Transducers. The APT measures three phases of current and voltage and produces an industry standard analog signal proportional to the watts used. The monitor uses current transformers to measure the amperes, and the line voltage connects directly to the transducer, up to 600 VAC.

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Step-up DC/DC controller can produce a 24V output at 10A

February 19, 2014 2:59 pm | Linear Technology Corporation | Product Releases | Comments

Linear Technology Corporation (Milpitas, CA) announces the LTC3784, a high-power, two-phase, single-output synchronous step-up DC/DC controller that replaces rectifying boost diodes with high efficiency N-channel MOSFETs. This device can produce a 24V output at 10A from a 12V input at up to 97% efficiency without any heat sink.

SiC modules are now RoHS compliant

February 19, 2014 1:26 pm | Powerex | Product Releases | Comments

Several Powerex (Youngwood, PA) SiC Modules have now been certified RoHS (Restriction of Use of Hazardous Substances) compliant. RoHS regulations ban new electrical or electronic equipment containing more than agreed upon levels of specific substances, including lead....

A battery small enough to be injected, energetic enough to track salmon

February 19, 2014 11:39 am | by EurekAlert! | News | Comments

Scientists have created a microbattery that packs twice the energy compared to current microbatteries used to monitor the movements of salmon through rivers in the Pacific Northwest and around the world. The battery, a cylinder just slightly larger than a long grain of rice, is certainly not the world's smallest battery, as engineers have created batteries far tinier than the width of a human hair.

Comprehensive design environments cut through the clutter for power system designers

February 19, 2014 8:19 am | by Mike Model and Anurag Jagota, Application Engineers, GE Critical Power | Articles | Comments

Meeting the unrelenting demands of tight design schedules will always be a challenge for developers of board-mounted power architectures with point-of-load (POL) DC-DC power modules. As board complexities grow—driving drastic increases in the number of POL power rails—designers must rapidly respond....

Relay system promises increased flexibility

February 14, 2014 12:14 pm | Phoenix Contact | Product Releases | Comments

Phoenix Contact (Middletown, PA) introduced RIFLINE Complete, a modular ice cube-style relay system with a broad range of accessories. The system is available as either completely assembled modules, which can save assembly time and labor costs, or as individual components, to

Power connectors aim to fill a critical power gap with a small footprint

February 14, 2014 11:45 am | Molex | Product Releases | Comments

Molex’ (Lisle, IL) Mega-Fit wire-to-board, mid-range power connector is presented as filling a significant power void in today’s interconnect marketplace by delivering 23 A in a small 5.7-mm footprint. The connectors are appropriate for

4:1 input, 1" x 2", 50-W DC/DC converters target applications requiring very wide inputs

February 14, 2014 11:12 am | MicroPower Direct, LLC | Product Releases | Comments

MicroPower Direct’s (Stoughton, MA) MB5000RU Series delivers 50 W of isolated, tightly regulated output power in a 1 x 2 x 0.4 inch case. The converters are designed for applications requiring very wide inputs, compact size, high

Power inductors offer current ratings to 98.8 Amps

February 12, 2014 10:32 am | Coilcraft Critical Products & Services | Product Releases | Comments

Coilcraft (Cary, IL) introduces the XAL1010 Series of high-temperature, shielded power inductors which combines excellent current handling and exceptionally low DC resistance in a rugged, molded package. Features include thirteen inductance values from 0.22 to 15 µH.

Photos of the Day: A fish on wheels

February 12, 2014 9:16 am | by ECN Staff | News | Comments

Studio diip — a company specializing in image-recognition products — developed the "Fish on Wheels", a self-driving car for fish. The system uses a webcam, batter power Beagleboard, and an Arduino controlled robot vehicle, and the vehicle basically turns in whatever direction the fish swims.

Obtaining low power for industrial devices: Energy harvesting, batteries or hybrids?

February 11, 2014 8:03 am | by Chris Warner, Executive Editor | Articles | Comments

The concept of energy harvesting has been around for as long as windmills and waterwheels were used to harness energy. In the last decade, the possibilities of using low-power harvested energy have greatly expanded in the industrial market as devices became smaller, autonomous and required less power.

Mid-voltage MOSFETs optimize power utilization in a space-saving package

February 10, 2014 2:32 pm | Fairchild Semiconductor | Product Releases | Comments

Many end applications — such as IP phones, motor control circuits, active clamp switches, and load switches — need to offer higher energy efficiency in a smaller footprint in order to meet manufacturers’ demands. Fairchild Semiconductor (San Jose, CA) developed the FDMC86xxxP series of P-channel PowerTrench MOSFETs....

Current-mode step-up converter offers adjustable output voltage up to 27V

February 10, 2014 2:22 pm | by ECN Staff | Advanced Power Electronics Corp. USA | Product Releases | Comments

Advanced Power Electronics Corp. (San Jose, CA) is introducing a new current mode step up converter for small, low power applications. The input voltage of the APE1913-3 converter can range from 2.6V to 5.5V, while the output voltage can be adjusted up to 27V.

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