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Understanding the ambiguity of the peak power rating of TVS devices

December 13, 2013 3:55 pm | by Robert Ashton, Sudhama Shastri, ON Semiconductor | On Semiconductor | Articles | Comments

All electrical systems, including computers, entertainment systems, mobile phones, medical instrumentation and automotive electronics, need to be immune from damage due to electrical transients encountered on a day-to-day basis. Electrical transients can come from many sources.

Horizontal mating connectors engineered for high current loads

December 13, 2013 12:44 pm | Hirose Electric Usa | Product Releases | Comments

Hirose is now taking orders for its newest connector: the DF64 Series, a Horizontally Mated 2-Piece Connector System. Made available for board-to-board and board-to-wire interfaces, the 2-position DF64 Series connector measures 20.4 x 14.4 mm and has a mated height of just 4.7 mm.

Hybrid amplifiers provide up to +61 dBmV output power and 26 dB gain

December 13, 2013 10:00 am | Richardson RFPD, Inc., Triquint Semiconductor | Product Releases | Comments

Richardson RFPD, Inc. today announces immediate availability and full design support capabilities for two new hybrid amplifiers for CATV applications from TriQuint. The TAT8884HO GaAs power doubler amplifier operates from 50 to 1000 MHz and features high linearity and gain.

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Power MOSFETs offer a low-side maximum on-resistance down to 6.4 mΩ

December 13, 2013 9:52 am | Vishay Intertechnology | Product Releases | Comments

Vishay Intertechnology launched two new AEC-Q101-qualified, 40 V, dual n-channel TrenchFET power MOSFETs in the asymmetric PowerPAK SO-8L package. For automotive applications, the Vishay Siliconix SQJ940EP and SQJ942EP combine both high- and low-side MOSFETs....

Surge rectifiers offer a 20% lower profile

December 12, 2013 2:41 pm | Product Releases | Comments

Surge Components has announced a new line of low-profile bridge rectifiers that provide design engineers several advantages in terms of power management and height including a 30% lower profile than other brides in a similar class. Product highlights include....

Carbon capture technology could be vital for climate targets

December 11, 2013 10:43 am | by International Institute for Applied Systems Analysis | News | Comments

The future availability of carbon capture and storage (CCS) will be pivotal in reaching ambitious climate targets, according to a new comprehensive study of future energy technologies from IIASA, the Potsdam Institute for Climate Change, the Stanford Energy Modeling Forum, and researchers worldwide.

DC/DC converter delivers a maximum of 25 A at an output of 1.2 V

December 11, 2013 9:40 am | Powervation, Murata Power Solutions Inc. | Product Releases | Comments

Powervation announced that its PV3012 digital controller is being used by leading power supply innovator, Murata Power Solutions in a new DC/DC module. OKLF-T/25-W12N-C is a non-isolated, DC/DC converter delivering a maximum of 25 A at an output of 1.2 V, when operating up to 70°C with a 200 LFM airflow.

Is this the end of Moore’s law?

December 10, 2013 2:56 pm | by Kasey Panetta, Managing Editor | Blogs | Comments

Moore’s law is unsustainable. This statement is the elephant in the room of a lot of electronics discussions as we rapidly approach a few different landmarks in semiconductors.  Researchers are concerned that the unsustainability of Moore’s law might mean the end, or at least the abrupt slowing down, of electronic development at the height of the digital era.

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Research team finds way to make solar cells thin, efficient and flexible

December 9, 2013 12:27 pm | by EurekAlert! | News | Comments

Converting sunshine into electricity is not difficult, but doing so efficiently and on a large scale is one of the reasons why people still rely on the electric grid and not a national solar cell network. But a team of researchers may be one step closer to tapping into the full potential of solar cells.

Power MOSFETs suit DC-DC converter applications

December 6, 2013 2:29 pm | Advanced Power Electronics Corp. USA | Product Releases | Comments

Advanced Power Electronics Corp. has introduced the new AP4034 family of 30V N-channel enhancement-mode power MOSFETs in several popular package alternatives to meet differing cost/performance points. All the AP4034 MOSFETs provide fast switching performance and feature a low typical gate charge of 15nC for good switching performance.

IGBTs provide faster switching performance with improved reliability

December 6, 2013 12:23 pm | Fairchild Semiconductor | Product Releases | Comments

Fairchild Semiconductor introduces a series of 1200 V field stop trench IGBTs. Targeting hard-switching industrial applications such as solar inverters, uninterruptible power supplies (UPS), and welders, this new IGBT series will help power engineers achieve better efficiency and reliability in their designs.

Active harmonic filter improves efficiency while reducing harmonic pollution

December 5, 2013 2:10 pm | Schaefer Power Inc | Product Releases | Comments

Schaefer is proud to introduce their new PB Series three-wire and four-wire active harmonic filter modular systems that are designed to meet IEEE-519. The Power Balance (PB) family is scalable and offers a practical solution for improving power quality for tower buildings....

Power supplies designed for medical applications

December 5, 2013 1:58 pm | SL Power Electronics Corporation | Product Releases | Comments

SL Power Electronics announces its MB60S single-output, convection-cooled, wide temperature range power supply that provides 60 watts of power in an ultra-compact  2” x 3” x 1.0” package. Joining SL Power’s line of high-density open frame AC/DC medical-grade power supplies, the MB60S is approved to the highest safety standards....

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SolarCity to back up solar with Tesla batteries

December 5, 2013 10:22 am | by JONATHAN FAHEY, AP Energy Writer | News | Comments

The solar panel installer SolarCity is beginning to address one of solar power's big drawbacks: The sun doesn't always shine. The solution: big battery packs that will provide backup power while lowering electric bills. The supplier: electric car maker Tesla Motors, whose CEO Elon Musk is also the chairman of SolarCity.

High-power drive rack provides up to 30 A

December 5, 2013 10:03 am | Aerotech, Inc. | Product Releases | Comments

Aerotech’s Npaq 6U is a high-power drive rack that uses plug-in amplifiers supporting both linear and PWM topologies to control brushless, DC brush or stepper motors. PWM amps offer up to 320 VDC operating voltage and 30 A peak current capability. Linear amplifiers provide up to 80 V and 20 A peak current for high power, low-noise applications.

50-watt DC/DC converter offers 4:1 input

December 4, 2013 3:45 pm | Contech, A Division Of Calex | Product Releases | Comments

ConTech announces the “TMX” Series of DC/DC converters. The TMX Series offers up to 50 Watts of fully regulated output power with an industry standard 2 x 1” footprint. The series offers a 4:1 input range with nominal input voltages of 24VDC and 48VDC. Single outputs offered are 3.3, 5, 12, 15, and 24VDC.

Power-management IC provides a regulated high-voltage output up to 500V

December 4, 2013 9:10 am | Supertex, Inc. | Product Releases | Comments

Supertex expanded its product offerings in support of MEMS and other high voltage solutions with the introduction of the HV9150. The HV9150 is a power management IC, a hysteretic controller that is intended to simply and easily provide a non-isolated, regulated high voltage output (6V to 500V) from a battery level input (2.7V to 4.5V).

Surface-mount ESD protection diodes provide high surge capabilities

December 2, 2013 2:38 pm | Vishay Intertechnology | Product Releases | Comments

Vishay Intertechnology, Inc.  announced a new series of surface-mount ESD protection diodes in the low-profile SMF package. For portable electronics, SMFxxA series devices provide high surge capability of 200 W at 10/1000 μs.

Power entry module now mates with V-Lock cord sets

December 2, 2013 2:29 pm | Schurter Inc. | Product Releases | Comments

 SCHURTER is pleased to announce, that its compact KEA series power entry module, with 1- or 2-pole fuseholder, now mates with V-Lock cord sets. The KEA’s new V-Lock compatible feature prevents unintended disconnection of the power from the equipment.

CPV technology today and tomorrow

November 27, 2013 1:25 pm | by Anco S. Blazev | Articles | Comments

Modern CPV equipment consists of a metal pedestal cemented into the ground onto which a large metal frame is mounted on pivoting supports thus enabling it to move on an x-y axis with the help of a gear-drive assembly. Many CPV modules, mounted on the frame, contain a dozen or more highly efficient multi-junction interconnected CPV cells....

Turning the world’s biggest landfill into a NYC solar power plant

November 26, 2013 3:00 pm | by Kasey Panetta, Managing Editor | Blogs | Comments

In a recent Engineering Update, we took a look at Japan’s largest solar power plant, which boasts the capability of powering 22,000 homes with its 313 acre facility. Now, we’re checking out New York’s newest solar project. This solar facility will be located at Freshkills Park on Staten Island and was, at one point, considered to be the largest landfill in the world.

Power harvesters enable next wave of energy harvesting design

November 26, 2013 2:47 pm | Texas Instruments | Product Releases | Comments

Texas Instruments introduced five new next-generation power management integrated circuits that acquire and manage microwatts (µW) to milliwatts (mW) of power harvested from light, heat or mechanical energy sources. The bq25570, bq25505, TPS62740, TPS62737 and TPS62736 maintain

User-configurable switch-mode power supplies targeted at the telecommunications and medical markets

November 26, 2013 12:40 pm | Allegro Microsystems, Inc. | Product Releases | Comments

Allegro MicroSystems, LLC announces the release of three new switch-mode power supplies. The C, HWB and SWF series have been designed with a user-configurability feature to prevent customers from replacing the entire set of power supplies making it much easier to change specifications.

DC/DC converter designed to bias avalanche photodiodes in optical receivers

November 26, 2013 12:22 pm | Linear Technology Corporation | Product Releases | Comments

The LT3905 is a fixed frequency, current-mode step-up DC/DC converter designed to bias avalanche photodiodes (APD) in optical receivers. The LT3905 features high side APD current monitoring with over five decades of dynamic range and better than 2% relative accuracy over the 3µA to 3mA range.

Explosion-proof transformer designed to provide portability and convenience

November 25, 2013 9:25 am | Larson Electronics Llc | Product Releases | Comments

The EPL-TX-320-2XLV-DC explosion-proof transformer from Larson Electronics is a convenient and reliable solution for operators in hazardous locations who need the ability to easily convert standard 120-277 VAC to low voltage 12/24 VDC current. This explosion proof transformer also acts as a power distribution system....

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