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Futuristic copper foam batteries get more bang for the buck

October 24, 2013 1:28 pm | by EurekAlert! | News | Comments

People use their GPS apps, cameras, and mobile internet to navigate strange cities in search of good coffee, record "selfie" commentary while they wait in line, and upload their videos directly to social media sites while they sip their latte. But no amount of high-tech savvy can save a well-loved device from dying when its battery is drained.

Three-phase inverter with integrated PFC shrinks and simplifies appliance motor drive design

October 24, 2013 1:22 pm | International Rectifier | Product Releases | Comments

International Rectifier introduced the IRAM630-1562F Intelligent Power Module (IPM) featuring Power Factor Correction (PFC) and inverter stage. The new IPM shrinks and simplifies design of energy-efficient appliance and light industrial motor drive applications including air conditioners and washing machines.

Team uses forest waste to develop cheaper, greener supercapacitors

October 24, 2013 12:56 pm | by University of Illinois at Urbana-Champaign | News | Comments

Researchers report that wood-biochar supercapacitors can produce as much power as today’s activated-carbon supercapacitors at a fraction of the cost – and with environmentally friendly byproducts. The report appears in the journal Electrochimica Acta.

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Force to be reckoned with: NIST measures laser power with portable scale

October 24, 2013 12:39 pm | by EurekAlert! | News | Comments

Researchers at the National Institute of Standards and Technology (NIST) have demonstrated a novel method for measuring laser power by reflecting the light off a mirrored scale, which behaves as a force detector. Although it may sound odd, the technique is promising as a simpler, faster, less costly and more portable alternative...

Modbus gateway designed to convert Modbus ASCII or Modbus RTU serial signals into Modbus TCP Ethernet

October 23, 2013 5:02 pm | B & B Electronics | Product Releases | Comments

B&B Electronics has expanded its family of Vlinx Modbus Communications Gateways with the MESP211, a low-cost, compact gateway designed to convert Modbus ASCII or Modbus RTU serial signals into Modbus TCP Ethernet. The MESP211 connects Modbus devices to Ethernet networks....

Power transistor designed for broadband avionics data link applications

October 23, 2013 12:06 pm | Richardson RFPD, Inc., Microsemi Corporation | Product Releases | Comments

Richardson RFPD introduces a new 50V gallium nitride on silicon carbide (GaN on SiC) RF power high-electron-mobility transistor (HEMT) from Microsemi Corporation (Microsemi). The 0912GN-650V is internally-matched and capable of providing over 17 dB gain....

New device stores electricity on silicon chips

October 23, 2013 11:27 am | by EurekAlert! | News | Comments

Solar cells that produce electricity 24/7, not just when the sun is shining. Mobile phones with built-in power cells that recharge in seconds and work for weeks between charges. These are just two of the possibilities raised by a novel supercapacitor design invented by material scientists at Vanderbilt University that is described in a paper published in the Oct. 22 issue of the journal Scientific Reports.

RF power amplifier linearizer enables reduced overall BOM costs

October 23, 2013 9:27 am | Rfmw Ltd | Product Releases | Comments

RFMW, Ltd. announces design and sales support for Scintera Networks' SC1894 radio frequency power amplifier linearizer (RFPAL). As power amplifiers are driven into saturation they increase in both efficiency and distortion. The SC1894 injects a correction signal at the input of the PA in order to minimize distortion at the output of the PA.

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Vectoring transformers serve VDSL2 vectoring and non-vectoring configurations

October 22, 2013 9:46 am | Product Releases | Comments

Pulse Electronics Corporation introduces the BX4285LNL and BX4285LNLT VDSL vectoring transformers. These transformers can be used in both VDSL2 vectoring and non-vectoring configurations as Class H line drivers to deliver high bandwidth over existing copper transmission lines.

Hybrid amplifiers utilize proprietary on-die linearization for best-in-class performance

October 21, 2013 1:18 pm | Triquint Semiconductor | Product Releases | Comments

TriQuint Semiconductor has released the first two members of its cost-effective TriAccess hybrid-packaged power doubler family. These CATV infrastructure devices are the first to utilize proprietary on-die linearization for best-in-class performance including excellent gain and low distortion.

Piezoelectric accelerometer features high-temperature operation to +482 degrees C

October 21, 2013 1:09 pm | Product Releases | Comments

Meggitt Sensing Systems has announced the global market introduction of the Endevco model 2280, a hermetically sealed, triaxial, piezoelectric charge output accelerometer with high-temperature operation to +482 degrees C (+900  degrees F).

Solar panels can be used to provide heating and air conditioning

October 21, 2013 10:51 am | by Carlos III University of Madrid | News | Comments

The use of solar panels to produce toilets hot water is standard practice, but researchers at the Madrid Universities Carlos III and Politécnica suggest that they may also be used to provide large offices with heating in the winter and air conditioning in the summer. Their proposal involves the incorporation of solar collectors into a gas-based cogeneration system...

NTU scientists make breakthrough solar technology

October 21, 2013 10:42 am | by Nanyang Technological University | News | Comments

In the near future, solar panels will not only be more efficient but also a lot cheaper and affordable for everyone, thanks to research by Nanyang Technological University (NTU) scientists. This next generation solar cell, made from organic-inorganic hybrid perovskite materials, is about five times cheaper than current thin-film solar cells, due to a simpler solution-based manufacturing process.

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Low-voltage DC-DC converters designed for satellite power systems

October 21, 2013 10:01 am | International Rectifier | Product Releases | Comments

International Rectifier introduced the LSO Series of feature-rich radiation-hardened (RAD-Hard) low-voltage, single- and dual-output DC-DC converter modules for satellite power systems requiring up to 15 years or more of mission life. The LSO Series delivers isolated output voltages from 1.5V to 15.0V with typical efficiency performance up to 81 percent....

What technology changed board-level assembly in 2013?

October 18, 2013 2:54 pm | by Kasey Panetta, Managing Editor | Articles | Comments

Here at ECN we're always looking for what's going to change the world of electrical design. This month we're focusing on board-level assembly. From adhesives to thermal gap pad management, we want to know what's happening in your lab and on your benches! We know our readers have varied opinions and valuable experiences...

Reference design serves Qualcomm Quick Charge 2.0-enabled charger power supply

October 18, 2013 2:13 pm | Power Integrations | Product Releases | Comments

Power Integrations introduced the first reference design for a Qualcomm Quick Charge 2.0-enabled charger power supply. Launched earlier this year, the Quick Charge 2.0 protocol from Qualcomm enables users to charge mobile devices, such as tablets and cellphone handsets, up to 75% faster than when using conventional USB charging technology.

MOSFET family suitable for battery pack applications

October 18, 2013 10:34 am | Alpha And Omega Semiconductor | Product Releases | Comments

Alpha and Omega Semiconductor Limited release a new dual MOSFET family in the common-drain configuration in both DFN 5x6 and Micro-DFN 3.2x2 packages. These devices are suitable for battery pack applications where two n-channel MOSFETs are connected back-to-back for safe charging and discharging as well as voltage protection.

Solid-state power relay rated for up to 5A continuous load current

October 18, 2013 10:25 am | Ixys | Product Releases | Comments

IXYS Integrated Circuits Division announced the immediate availability of the CPC1968J, 2Arms Solid-State Power Relay.  The CPC1968J is a single-pole normally open (1-Form-A) solid state power relay that is rated for up to 5A continuous load current.

Photos of the Day: Why lithium-ion batteries fail

October 18, 2013 9:11 am | by EurekAlert! | News | Comments

Lithium-ion batteries are in our cellphones, laptops, and digital cameras. Few portable electronic devices exist that do not rely on these energy sources. Currently battery electrodes contain active materials known as intercalation compounds. These materials store charge in their chemical structure without undergoing substantial structural change.

Current sense resistor includes increased resistance range

October 17, 2013 12:15 pm | Vishay Technology | Product Releases | Comments

Vishay Precision Group announced that its Vishay Foil Resistors brand (VFR) has expanded the CSM3637P ultra-high-precision, surface-mount, four-terminal current sense resistor with an increased resistance range to 200 mΩ. For power supplies, DC/DC and DC/AC converters, switching power supplies, and battery charging circuits...

DC/DC converters provide three regulated DC outputs

October 16, 2013 4:15 pm | Calex Mfg | Product Releases | Comments

Calex Mfg announces the availability of the 75 Watt Triple Output HE Series DC/DC converters. The HE Series offers a variety of models in an industry standard half brick package which provide three regulated DC outputs. All models are fully isolated input to output with output voltages of 3.3 VDC and 5 VDC....

Front end power supply delivers 80 Plus Platinum efficiencies

October 15, 2013 5:01 pm | Tectrol | Product Releases | Comments

Tectrol introduces its new TFE3000-54, a 3,000 watt 1U hot swap power supply delivering 80 Plus Platinum efficiencies with leading power density of 33.48W/in3. The TFE3000-54 offers a floating DC output of 54V which is adjustable from 42-55VDC making it ideal for Power-Over-Ethernet, Telecom, and Networking applications.

DC/DC converters provide 1W of output power

October 14, 2013 10:02 am | MicroPower Direct, LLC | Product Releases | Comments

Available now from MicroPower Direct, the MD100xE series provides 1W of output power in a miniature 7-pin SIP package. These single & dual output DC/DC converters are specifically designed to provide the voltage conversion, miniature size, I/O isolation and economy required by a wide range of space critical board level applications.

Thick film chip resistor includes precision tolerances of 0.5% and 1.0%

October 11, 2013 2:23 pm | Koa Speer Electronics, Inc. | Product Releases | Comments

KOA Speer Electronics introduces the latest in precision thick film chip resistors, the anti-sulfur RK73H-RT. Made with a sulfur-proof electrode material, the RK73H-RT resistor features precision tolerances of 0.5% and 1.0% and a resistance range of 10Ω ~ 10MΩ.

Smartphone app allows full monitoring and control of network-connected power supplies over local wireless networks

October 10, 2013 8:42 am | B&K Precision Corporation | Product Releases | Comments

B&K Precision launched its new “pwrApp” for iPad, iPhone, and iPod touch. Adding greater value to its DC power solutions, B&K Precision’s pwrApp allows full monitoring and control of network-connected (via WLAN) XLN-GL series of power supplies over local wireless networks.

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