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Content tagged with Power
posted in April 2008
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High-temp superconductor power hits Long Island
News & Analysis  
4/30/2008   Post a comment
Long Island Power Authority and American Superconductor Corp. have activated a high-temperature superconductor power transmission cable system.
Power amplifiers offer high linearity, low current consumption
Product News  
4/30/2008   Post a comment
Avago Technologies has introduced one- and two-watt families of high-performance power amplifiers designed for next-generation cellular and WiMAX infrastructure applications.
'Missing link' memristor created: Rewrite the textbooks?
News & Analysis  
4/30/2008   10 comments
HP Labs' Stanley Williams has invented the world's first memristor, the 'missing link' in circuit theory--a fourth passive-device type after resistors, capacitors and inductors--as predicted by University of California at Berkeley professor, Leon Chua.
Researchers claim photovoltaic cell advance
News & Analysis  
4/30/2008   Post a comment
Scientists at the University of Tel Aviv in Israel claim they have found a way to construct efficient photovoltaic cells costing at least a hundred times less than conventional silicon based devices, and with similar or better energy conversion efficiency.
Maxim : Versatile class D amplifiers combine high efficiendy with low cost
Product News  
4/30/2008   Post a comment
Maxim Integrated Products introduces the MAX9736A/B, a family of versatile single-supply, filterless Class D speaker amplifiers, which provide high-performance, thermally efficient amplifier solutions at a low solution cost.
UPS eases scaleable backup for dense computing environments
Product News  
4/30/2008   Post a comment
10-kVA Pulsar MX Frame is billed as a low-cost entry solution to easy-to-populate modular systems.
Power management IC simplifies CDMA phone designs
Product News  
4/29/2008   Post a comment
AnalogicTech has introduced the AAT2601, the company's first power management IC designed for the specific requirements of mid-range CDMA handsets.
Ensuring low power in wireless mesh sensor networks
Design How-To  
4/29/2008   Post a comment
Wireless sensor communications and low power go hand in hand. In fact, low power is just as important as the reliability of the communications itself. Before the advent of wireless sensor communications, low power was synonymous with low current consumption.
Teridian launches third generation power meter ICs
Product News  
4/29/2008   Post a comment
Teridian Semiconductor has launched its third generation of electricity metering chips that includes residential single phase, commercial and industrial three phase ICs, offering up to 256K bytes of storage with 10 MIPS processing power, advanced power management, LCD contrast adjust, and 0.5 second/day hardware RTC which consumes only 0.5µA.
Infineon : Power control IC brings substantial energy savings
Product News  
4/29/2008   Post a comment
Infineon presents an improved version of its NovalithIC, a 1 cm3 package that accommodates three chips – two power chips and a logic circuit to control and monitor the power stage.
Infineon acquires Primarion
News & Analysis  
4/28/2008   Post a comment
Move is intended to strengthen Infineon's position in power management, particularly digital power.
Hot-swap IC manages 3G wireless and beyond
Product News  
4/28/2008   Post a comment
Chip is industry's first fully compliant with ATCA specs for multiple-voltage Advanced Mezzanine Cards
Tip of the Week: How to best implement a synchronous buck converter
Design How-To  
4/26/2008   Post a comment
IC solutions are superior to discrete designs particularly for securing high efficiency at light load
Off-the-shelf dc/dc converter modules guaranteed to 30 krads
Product News  
4/25/2008   Post a comment
VPT Inc. has introduced more than 50 dc/dc converter modules specifically designed for space applications. Grouped into four product families, these new dc/dc converters deliver up to 120 watts of output power and operate reliably in harsh radiation environments.
High-frequency rectifiers increase system efficiency
Product News  
4/25/2008   Post a comment
Touting fast reverse recovery times and low forward voltage drop ratings, Vishay's 600-V FRED Pt Hyperfast rectifiers reduce switching losses in high-efficiency PFC and SMPS applications.
Power management in mobile devices--A view of energy conservation--Part III
Design How-To  
4/25/2008   Post a comment
The gaps grow larger between what mobile devices can do and the amount of energy engineers can deliver. Chapter 2 from Power Management in Mobile Devices: Hierarchical View of Energy Conservation is an in-depth look at the power consumption, energy types, process and transistor technology, and packaging issues inherent in mobile device design. Part III discusses the hierarchy of energy conservation techniques.
72-watt ac/dc power adapter delivers 84% efficiency
Product News  
4/24/2008   Post a comment
Emerson Network Power, a business of Emerson, has expanded its portfolio of ac/dc power adapters with the launch of a high-efficiency 72-watt model.
1-W dc/dc converters housed in ultra-miniature package
Product News  
4/24/2008   Post a comment
MicroPower Direct has introduced the DM100E series of miniature 1-W dc/dc converters housed in 6-pin SIP packages.
LED for lighting startup reportedly raises $6 million
Product News  
4/24/2008   Post a comment
Optoelectronix Inc. (San Jose, Calif.) has raised $6 million in Series A round of investment to help it start making LED-based light bulbs, according to VentureBeat. The money has come from private unnamed investors, the report said.
MIT gets serious about solar power
News & Analysis  
4/23/2008   Post a comment
The Massachussets Institute of Technology is expanding its solar power research from a "boutique" option to an affordable, mainstream energy solution.
Prius technology primer
Design How-To  
4/23/2008   2 comments
With record U.S. fuel prices, the automotive electronics technology in Toyota's hybrid Prius is still efficient and even timelier. Here's a rundown, and teardown, of its major systems--as well as a take on the Chevy Volt plug-in hybrid.
LED drivers provide 32 dimming levels
Product News  
4/22/2008   Post a comment
Catalyst Semiconductor has expanded its line of Quad-Mode fractional charge pump LED drivers with two high-resolution brightness devices that offer 32-dimming levels to provide enhanced LCD backlight control in emerging portable product applications.
SoC energy meter ICs offer greater memory density
Product News  
4/22/2008   Post a comment
Analog Devices, Inc. has expanded its portfolio of energy metering solutions with the ADE51xx and ADE55xx single-chip metering devices that feature greater memory density for more advanced solid-state energy meter applications.
Small fuel cells are a long time coming
News & Analysis  
4/22/2008   Post a comment
A top issue at the Hannover Industry Fair (HMI) are innovative power sources. Under the umbrella of the Hannover Fair, a special trade show is dedicated to this topic. For the time being however, industrial designs of mobile fuel cells remain a vision for the future.
When Power-over-Ethernet meets 802.11n: Not a pretty picture
Design How-To  
4/22/2008   2 comments
Despite is inherently longer range in the wireless domain, IEEE 802.11n has a drawback: It can easily consume more power than the IEEE 802.11af-203 Power-over-Ethernet standard allows. This article explains the challenges and how to work around them.
Vishay : Power MOSFET has thin profile of 0.59 mm
Product News  
4/22/2008   Post a comment
The Vishay Siliconix Si8441DB 20-V p-channel TrenchFET power MOSFET in a MICRO FOOT chipscale package offers an ultra-compact 0.59-mm profile and a footprint area of 1.5 x 1 mm.
EPRI-EEI report shows how to keep the lights on
News & Analysis  
4/22/2008   Post a comment
Improvements in energy efficiency can cut energy consumption by 7 to 11 percent over that currently projected over the next two decades, says study.
National offers the smallest buck regulator ICs
Product News  
4/21/2008   Post a comment
Chips are suited to high-input voltage regulation apps such as MP3 players utilizing Firewire and auxiliary power adapters with direct connection to 12-volt vehicle systems
Power management IC streamlines multiple-supply designs
Product News  
4/21/2008   Post a comment
MC34700 quad-output device is suited for microprocessors, memory, and motors
UPA targets 400Mbps+ powerline technology
News & Analysis  
4/21/2008   Post a comment
The Universal Powerline Association is gathering industry consensus round an effort to develop the PowerMAX specification for powerline communications technology that will deliver 400Mbits/ second and beyond.
Solar industry challenges semi equipment manufacturers
Design How-To  
4/21/2008   Post a comment
The solar photovoltaic industry might be a seller’s market for equipment manufacturers but representatives of the world’s leading photovoltaic product manufacturers are calling for suppliers to better address their needs. PV industry demands came across loud and clear at conferences running alongside the Photon Technology Show in Munich earlier this month.
Miniature dc/dc converter reduces power consumption
Product News  
4/21/2008   Post a comment
Murata Electronics North America has launched its MPDTY201S miniature dc/dc converter that saves board space and reduces power consumption in distributed power architectures used in telecommunications and datacommunications markets.
AnalogicTech : Step-down converter meets rising power needs
Product News  
4/21/2008   Post a comment
Available in a compact, 3 x 3mm TDFN package, and delivering up to 2A of output current, the AAT1153 step-down converter helps portable system designers meet rising power requirements and still deliver a small, power-efficient solution.
Tecate : Ultra-thin 5.5-V supercapacitors withstand high-temperature
Design How-To  
4/21/2008   Post a comment
HS single-cell and HW dual-cell supercapacitors in the CAP-XX series provide a cost-effective solution to the power delivery constraints of batteries and the energy delivery limitations of conventional capacitors.
Letter to the editor: Quality problem starts at U.S. patent office
News & Analysis  
4/18/2008   6 comments
Letter to the editor: Quality problem starts at U.S. patent office.
ESC panel: Does 'green design' matter?
News & Analysis  
4/17/2008   Post a comment
Does anybody care about "green design"? It may not be a very popular subject in the embedded electronics world.
Benchtop power supply delivers fully programmable triple outputs
Product News  
4/17/2008   Post a comment
Xantrex Technology has launched its 222-watt (W) XBT series of programmable power supplies for laboratory and low-power automated test equipment (ATE) applications.
Step down switching regulator provides three high-current outputs
Product News  
4/17/2008   Post a comment
Allegro's triple output step down switching regulator dubbed the A4490 provides three high current, adjustable switching regulator outputs with an input voltage range of 4.5V to 34V.
Rules need a re-write, say IP experts at forum
News & Analysis  
4/17/2008   1 comment
The rules of the road in intellectual property need a re-write at the levels of patents, silicon, software and systems, according to speakers at the inaugural Intellectual Property Symposium.
U.S. patent chief: applications up, quality down
News & Analysis  
4/16/2008   3 comments
The director of the U.S. Patent and Trademark Office said frivolous patent claims are gumming up the system.
Power management in mobile devices--A view of energy conservation--Part II
Design How-To  
4/16/2008   Post a comment
The gaps grow larger between what mobile devices can do and the amount of energy engineers can deliver. Chapter 2 from Power Management in Mobile Devices: Hierarchical View of Energy Conservation is an in-depth look at the power consumption, energy types, process and transistor technology, and packaging issues inherent in mobile device design. Part II of this multi-part series looks at power vs. energy types.
Scientists channel lightning with ground-based lasers
News & Analysis  
4/15/2008   1 comment
European scientists, working in New Mexico, have triggered lightning strikes with ground-based lasers. The goal is to create miles-long plasma filaments that would extend from clouds to the ground, providing an economical conduit to channel surefire strikes for the purposes of studying lightning's effects on infrastructure.
Designing a stable DC/DC control loop
Design How-To  
4/15/2008   6 comments
Designing the compensation network in a DC/DC converter can be a mystery if one does not know where to place the poles and zeros of the error amplifier and how much gain the error amp needs. Here's a systematic approach to getting the job done.
2A step-down converter meets portable system power needs
Product News  
4/15/2008   Post a comment
AnalogicTech's latest PWM controlled device delivers up to 2A in a 9-mm² package.
Non-isolated POL DC-DC converters provide up to 20W of output power
Product News  
4/15/2008   Post a comment
FDK's DK series of non-isolated POL DC-DC converters consists of three products that deliver 3A of output current at power densities up to 640 Watts/cubic inch and efficiencies up to 93%.
How Bluetooth, UWB, and 802.11 stack up on power consumption
Design How-To  
4/15/2008   2 comments
Digital still cameras, mobile phones and personal media players require high bandwidth and low power consumption, and therefore also demand a wireless data connectivity technology capable of addressing these needs.
Actel discusses low power and power management at ESC Silicon Valley
News & Analysis  
4/15/2008   Post a comment
Visit Actel's booth at ESC and/or go listen to the three technical papers they are presenting.
Energy-meter IC touts the highest functionality
Product News  
4/14/2008   Post a comment
The MAXQ3180, drawing just 10 mW, has full polyphase measuring capability
Under the Hood: GPS Special - Garmin nuvi 750 vs. HP iPaq 310
Teardown  
4/14/2008   2 comments
TechOnline's Greg Quirk went inside the Garmin nuvi 750 and HP iPaq 310 GPS navigation systems to find that while they did have some crossover in terms of components, such as the use of chips from SiRF and Wolfson, they both came up with their own distinct approach to how a GPS navigation system should be designed.
Trina Solar scraps $1B polysilicon plant
News & Analysis  
4/14/2008   Post a comment
China's Trina Solar Ltd., a manufacturer of solar photovoltaic products from the production of ingots, wafers, cells and modules, has discontinued the development of its previously- announced $1 billion polysilicon production facility.
Page 1 / 2   >   >>


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41 comments
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