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Transceivers Connect You To the CAN Bus Lines

November 28, 2007 9:51 am | by Jon Titus, Senior Technical Editor | Articles | Comments

Most likely you know a bit about the Controller Area Network, also called CAN or CAN bus, developed for communications between equipment in vehicles. The CAN has spread into embedded systems, too, but unlike chip-to-chip I2C or SPI connections, CAN communications may occur between cards and systems over a bus that can extend from 10's to 100's of meters. (The ISO-11519 and ISO-11898 standards covers CAN protocols and physical-layer specifications.)


DC-Input Font-end Power Modules Meet Telecom-standard

November 28, 2007 9:00 am | Product Releases | Comments

Emerson Network Power launched four DC-input bulk front-end power modules for systems that use distributed power architectures. The modules add DC-input options to the company's DS series of power supplies. The DS450DC, 550DC, 650DC and 850DC modules all feature a very wide 40V DC to 72V DC input voltage range, which is suitable for telecom and central office applications operating from 48V battery plants.

High-voltage Full Bridge Inverter for Increased Energy Efficiency in LCD Backlight Applications

November 28, 2007 4:43 am | Product Releases | Comments

NXP announced its high-voltage, full bridge fluorescent backlight controller IC the UBA2074 and its low-voltage twin, the UBA2072. Together, they form a family of full-bridge fluorescent backlight controller ICs, designed specifically to address the trend toward growing display sizes and supporting the increased use of high-supply voltage backlight inverters in LCD-TV applications.


Get Your Low-Energy Computing with a Catch

November 27, 2007 11:21 am | Blogs | Comments

Energy News: Three stories about energy efficiency, focusing on computers, landed in my inbox today -- with a big fat asterisk attached. The stories are: Google Plans Renewable Energy Push -- they want to make one a gigawatt of clean energy cheaper to produce than the same amount of coal; HP Enters Two Renewable-Energy Contracts -- they're using solar and wind power for facilities in San Diego and Ireland; and Climate Savers Computing Initiative Empowers Smarter Computing Choices -- there's an online catalog of green desktops and servers, but it's only for companies that pay to join


Interchangeable Blade Power Supplies meet RoHS, Energy Star and CEC Standards

November 27, 2007 5:46 am | Product Releases | Comments

GlobTek introduced the GT-41xxx series of blade power supplies. The series features the GT-41076 with power up to 6W, GT-41052 up to 15W and GTM41060 up to 25W with constant current option. The regulated outputs voltage range from 5V to 48V DC in 0.1V increments, with up to 25W of continuous output power. The 64 mm × 40.5 mm × 29 mm polycarbonate impact resistant non-vented cases


Gone With the Wind, Part 2: Maglev Tech

November 27, 2007 5:44 am | Blogs | Comments

Productive Product: What if you could eliminate all of the material friction in a windmill? (And why is this our third consecutive Efficiency Zone lead in question form?) No ball bearing is that good, but you could use maglev technology to just suspend the turbine blades in air. Magnetic levitation is more common for high-speed train research


Gone With the Wind, Part 1: The Sailboat

November 27, 2007 5:40 am | Blogs | Comments

Productive Product: It was good enough for Columbus, Magellan, and Ellison, but is wind power -- the sail -- better in some cases than modern engines for oceanic cargo ships? A few companies are voting affirmatively. A blogger for Network World writes, "A kite the size of a football field will provide most of the power for a German


Mini-Power Management Unit Maximizes Design Flexibility

November 27, 2007 3:47 am | Product Releases | Comments

Advanced Analogic Technologies, Inc. announced the AAT2504, an adjustable 3-channel regulator that combines a step-down converter with two low dropout linear regulators (LDOs). Targeted at mobile devices with rapidly changing feature sets, it allows designers to extend system functionality and still benefit from power management integration. The step-down converter delivers up to 800 mA of output current and supports an input range of 2.7V to 5.5V


Nuclear Bathtub Full of Controversy

November 26, 2007 5:57 am | Blogs | Comments

Productive Product: What if nuclear power were mass-produced in portable battery-like containers? That's the mission of Hyperion Power Generation, a start-up based on the research of Los Alamos National Labs scientist Otis Peterson. The bathtub-sized device with no moving parts could power 25,000 homes for five years, and Hyperion is poised to build 4,000 around


Utilities' Perspectives on Green Biz

November 26, 2007 5:29 am | Blogs | Comments

Energy News: "Making a Business of Energy Efficiency: Sustainable Business Models for Utilities" is the topic of next month's Edison Electric Institute meeting in Washington. The EEI is an electric company association and the agenda focuses on money -- not customers, the environment, or technology. There is an interesting


30W Universal Input Range AC/DC Power Modules

November 26, 2007 3:56 am | Product Releases | Comments

Minmax's AQF-30 is a 30W series of AC/DC power modules that have universal input range of 85V AC to 265V AC with single, dual and triple output voltages. The modules boast efficiencies up to 80 percent and are EMI Compliant with EN55022 Class B and FCC part 15, level B and EMC Compliant With EN61000 (-2, -3, -4). The series is suitable for a variety of applications

A Call For Green Holiday Tech

November 20, 2007 11:53 am | Blogs | Comments

Op-Ed: Ah, winter: the holidays, the Superbowl, snow sledding and nasty weather, the hassle of decorating, and what to get the engineer who has everything? We here at ECN figure the answer to that last point -- high-tech for the holidays -- is best derived from you, the readers.


Micro-D Pi Filter Connector for Military, Avionics Applications

November 20, 2007 4:00 am | Product Releases | Comments

ITT Electronic Components developed a Micro-D connector with desirable attenuation. Designated the TMDMP filter, the connector utilizes an internal filter design, providing the density needed to accommodate the ferrite tubes necessary for Pi filtering in military and aerospace applications. The TMDMP filter connector is suitable for integrated avionics and electronic warfare


Power Relays Give Designers Much to Ponder

November 19, 2007 11:52 am | by Jon Titus, Senior Technical Editor | Articles | Comments

My first experience with a relay came about when a friend found a radiosonde -- a small balloon-borne weather instrument -- in the woods behind his house. My friend Ben wanted the parachute, so I got the electronics. As a kid of 11 or 12, the circuitry didn't mean much, but it included a simple relay I experimented with.

Lithium, Ultracaps Merge for Hybrid Power

November 19, 2007 11:13 am | Blogs | Comments

Productive Product: Maxwell Technologies is working with China's Lishen Battery to design hybrid lithium-ultracapacitor products, Maxwell officials said today. Immediately, Lishen will start making lithium cells adjacent to ultracapacitors in the same package, while preparing to merge lithium with ultracapacitors in individual hybrid cells by summer 2009.



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