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Content tagged with Power
posted in November 2006
Government policies driving adoption of digital power
News & Analysis  
11/30/2006   Post a comment
It shouldn't come as a surprise that emerging government policies in Asia, Europe and North America are expected to help drive the adoption of digital power technologies, but now there is a report from Darnell Group to back up this observation.
Transition mode PFC increases efficiency to help meet the 80+ requirements
Design How-To  
11/29/2006   Post a comment
Electronics equipment are everywhere and typically always powered, using energy. Recent standards like the 80+ initiative are trying to rectify this situation by ensuring that power supplies are more efficient. Here's help for the engineer to improve the efficiency of new power supplies with a transition mode power factor corrected design.
Factorized power designs come into the mainstream
Product News  
11/29/2006   Post a comment
Product Review - Vicor Corporation's comprehensive line-up of 52 evaluation and validation boards featuring its BCM, PRM, and VTM V•I Chip power components, which are all now available in high volume quantities, culminates the company's work to bring its factorized power architecture (FPA) into mainstream designs.
Environmentally sealed power modules protect against harsh realities
Design How-To  
11/27/2006   Post a comment
If you design electronics for exposed environmental conditions then you need to take precautions to protect it. Here are some important design tips to help you protect against electrical, thermal and vibration stresses.
Miniature 40, 60-watt supplies are cost-effective for telecom, instrumentation
Product News  
11/27/2006   Post a comment
Touting a new standard in size and economy, Astrodyne's ASL40 and ASL60, at $18 each in OEM quantities, provides 40, and 60 watts respectively, in a 2-by-4-by-1.2 inch chassis.
2.2-kW PFC front-end is just 1RU high
Product News  
11/24/2006   Post a comment
Touting the industry's most compact solution, Vicor Corporation's PFC FrontEnd delivers up to 2.2 kW for the company's modules and ViPAC arrays.
DC/DCs power Intel's VRM11.0 machines
Product News  
11/23/2006   Post a comment
Designed for Intel's next generation processors, the VRM11.X family of DC/DC converters from C&D Technologies, in six models, provides from 80 to 150 amps in 1U and 2U form factors.
Extreme automotive environment challenges sensor design
Design How-To  
11/22/2006   Post a comment
Regardless of the specific application, most automotive sensor modules share a common high-level architecture and a set of stringent requirements that make for a challenging design under the high temperatures, noise, and vibration found in a car. Here are some design hints to deal with these hurdles.
Development board eases digital SMPS designs
Product News  
11/22/2006   Post a comment
Microchip Technology's dsPICDEM buck switchmode power supply (SMPS) development board comes with sample software and tutorial to help designers quickly evaluate and develop their digital SMPS and power-conversion designs.
DIN supply delivers 480 watts
Product News  
11/22/2006   Post a comment
Lambda has extended its DPP family of DIN rail-mount power supplies for mid-power factory automation and process control applications with its cost-effective DPP480, which delivers 480 watts.
Boost converter switches seamlessly between battery and USB power
Design How-To  
11/21/2006   Post a comment
For the frequent situation where both battery power and USB power may be available, this boost-converter circuit implements low-loss switchover
PSE controller simplifies power-over-Ethernet designs
Product News  
11/21/2006   Post a comment
Linear Technology touts the current-sharing, stand alone capabilities of its LTC4263 single-channel IC for power-over-Ethernet (PoE) as unique among Power Sourcing Equipment (PSE) controllers.
DC/DC converter family meets next-gen Intel processor specs
Product News  
11/21/2006   Post a comment
A new VRM11.X family of DC/DC converters is available from C&D Technologies to provide power to Intel's next generation processors.
800-acre technology park to house one of the largest Tier III data centers
News & Analysis  
11/21/2006   Post a comment
APC's InfraStruXure Architecture helps Cyber Continuity Center create North America's premier high density colocation data center
Squeezing operational life out of a shrinking energy capsule
Design How-To  
11/20/2006   Post a comment
Hybrid power sources may be able to provide the operational capability for extended use in portable devices but viability of a hybrid source requires the circuit technology to manage it. Here's what to consider.
Fast booting techniques meet automotive infotainment/telematics activation needs
Design How-To  
11/17/2006   Post a comment
No single technique can possibly manage all of the booting and shutdown requirements of car infotainment systems. Nonetheless, several techniques have emerged that, together, address almost any fast-boot scenario.
UPS packs 1500 VA in 1U
Product News  
11/17/2006   Post a comment
Touting the highest power density, Hewlett-Packard's HP UPS R1500 G2, for network applications, is an ultraslim 1500 VA uninterruptible power system (UPS) that fits into a 1U-high space.
Multi-topology DC-DC regulators target consumer electronics
Product News  
11/16/2006   Post a comment
ON Semiconductor introduces two dc-dc regulators that offer the design flexibility of buck, boost or voltage inverting configuration.
AC/DC delivers 250 watts for compact applications
Product News  
11/16/2006   Post a comment
V-Infinity's VF-S250 series of 250-watt switching supplies, with a power density of 10.4 W/in3, provide a compact power source for a wide range of IT, datacom, wireless, and industrial applications.
3A and 6A DC-DC converters feature integrated inductors
Product News  
11/15/2006   Post a comment
A second generation DC/DC converter from Enpirion features integrated inductors with reduced footprint, enhanced thermal performance, and increased efficiency.
Integrated IC targets converged portable products
Product News  
11/15/2006   Post a comment
Integrated system power IC from AnalogicTech combines two buck converters, battery charger with digital thermal control.
How does battery management electronics enhance battery safety?
Design How-To  
11/15/2006   1 comment
Battery management electronics in battery packs help monitor Li-Ion battery operating conditions. Here's how you can ensure total battery monitoring and help prevent catastrophic battery events.
MIT claims advance in wireless power transfer
News & Analysis  
11/14/2006   Post a comment
Researchers are claiming that the obstacles to wireless power transfer can be overcome--at least at distances up to 12 feet.
6-kVA Smart-UPS fits in 3U
Product News  
11/14/2006   Post a comment
American Power Conversion's new compact, on-line double conversion UPSes, in the company's Smart-UPS RT family, fill in the 6-8 kVA space for telecom and datacom, medical labs, and light industrial sites.
Smart-UPS line offers higher power density in a smaller form factor
Product News  
11/14/2006   Post a comment
APC's Smart-UPS RT 6000VA and 8000VA units offer power dense, scalable runtime for space-constrained server rooms, and voice and data networks
Power management package is smallest front-end solution for ATCA
Product News  
11/14/2006   Post a comment
Highly integrated power conversion and power management package provides comprehensive front-end power solution for latest-generation telecoms cards
Sensorless motor platform drives variable-speed pumps
Product News  
11/14/2006   Post a comment
International Rectifier's IRMCF371 serves as the hub of a sensorless sinusoidal motor control platform that touts quieter operation and higher efficiency for variable-speed pumps, which inherently cut energy consumption by up to 50 percent.
ST, Velox partner for GaN Schottky diodes
News & Analysis  
11/13/2006   Post a comment
ST Microelectronics has teamed with Velox Semiconductor Corporation for the development and sale of GaN (Gallium Nitride) Schottky diodes. The companies say the long term aim is for the two to be a dual source for the devices.
Power management unit is first with integrated buck-boost converter, charger
Product News  
11/13/2006   Post a comment
A space-saving, multi-output power-management unit from National Semiconductor includes battery charger with power routing and dynamic voltage scaling to extend battery life in portable media players.
Battery startup gains CIA funding
News & Analysis  
11/13/2006   Post a comment
The CIA's In-Q-Tel investment arm is backing at an undisclosed amount battery technology developed by Infinite Power Solutions Inc.
Tips and techniques for power supply noise measurements
Design How-To  
11/12/2006   1 comment
The higher switching speeds, faster slew rates, more active pins per package, and smaller signal swings cause an increase in power supply noise in digital designs. Here are some helpful techniques and tools for analyzing power supply noise.
Inverter delivers 5 kVA for rugged environments
Product News  
11/10/2006   Post a comment
Absopulse's CSI 5K inverter delivers 5000 VA from a single 24-, 36-, 48-, 125- or 250- VDC input. It provides a 115 VAC sinusoidal output at 60 or 400 Hz, or 230 VAC at 50 Hz.
Network manageable cooling unit offers energy efficiency for server rooms
Product News  
11/10/2006   Post a comment
American Power Conversion introduces a cooling unit that provides predictable air conditioning for wiring closets and server rooms.
Space-saving 500-watt AC/DC rated for 100 C operation
Product News  
11/10/2006   Post a comment
Lambda's PFE series of brick-style AC input power supply modules is a space saving solution to standard two-module AC/DC-with-DC/DC designs. They are rated for +100°C base plate temperatures, thus alleviating cooling design issues.
ST, Taiwanese groups partner for solar power
News & Analysis  
11/10/2006   Post a comment
ST Microelectronics NV is teaming up with Delta Electronics, Inc. of Taiwan and its majority-owned subsidiary DelSolar Co. Ltd. (Taiwan) for the development of solar power technologies.
Lighting IC with PFC advances ballast designs
Product News  
11/9/2006   Post a comment
International Rectifier's IRS2166D is a 600-volt fully-integrated and protected ballast control IC for advanced linear fluorescent lamp ballasts that incorporate active power factor correction (PFC).
The promise of more rugged and economical fuel cell stacks
Design How-To  
11/8/2006   Post a comment
Fuel cell technology is front and center as a commercially viable source of alternative energy for electronics and even automobiles, but barriers to widespread adoption are cost and efficiency. Read on to find out how it may be possible to reduce the number of fuel cell stack components, or simplify assemblies to improve widespread adoption of fuel cells.
7-kW InRow conditioner cools wiring closets, server rooms
Product News  
11/8/2006   1 comment
American Power Conversion's InfraStruXure InRow SC cooling unit delivers 7 kW of cooling capacity for wiring closets and server rooms.
Hot-swap front-end fills mid-power requirements
Product News  
11/8/2006   Post a comment
Power-One's SFP450-12BG hot-swap, AC/DC front-end delivers 450 watts at 12 VDC.
Under the Hood Teardown: Nikon 4800 Digital Camera--driving video, regulating voltages
Teardown  
11/7/2006   Post a comment
This digital still camera has impressive video capture/processing capabilities and sophisticated power management
Purified protein advances biofuel cells
News & Analysis  
11/7/2006   Post a comment
Researchers have purified the essential protein performing the electronic function of a fuel-cell chamber membrane, potentially enabling commercialization of biofuel cells sans bacteria.
Power management solutions debut for cellular handsets, other portable devices
Product News  
11/6/2006   Post a comment
Broadcom's entry into the portable power management market leverages the company's expertise and adds another critical building block its growing mobile portfolio
Micromodules simplify point-of-load applications to 48 amps
Product News  
11/6/2006   Post a comment
Product Review - The LTM4601/3 series from Linear Technology, part of the µModule series of "one-chip" power supplies, adds margining/tracking, remote-sense, expanded polyphase/paralleling capacity, and phase-locked loop synchronization functionality for advanced 6-48 amp designs.
Startup aims ship novel notebook batteries by June
Product News  
11/6/2006   Post a comment
Startup Boston-Power has garnered $8 million in first-round venture financing to deliver a novel lithium ion battery for notebook computers in the first half of 2007.
Energy harvesting modules provide key enabler for emerging applications
Product News  
11/6/2006   Post a comment
Advanced Linear Devices introduces a series of highly efficient modules designed to capture, accumulate and store power from energy harvesting power sources and make it available for sensors, remote networks, micro machines and other applications.
Vicor extends 375-V Maxi family
Product News  
11/3/2006   Post a comment
Vicor has added eight mid-power Maxi DC/DC converters to its 375-VDC input family, including a 3.3-volt 200-watt model, a 5-volt 300 watt model, and 400-watt models at 12, 15, 24, 28, 36, and 48 volts.
Tests confirm extended battery cell life
News & Analysis  
11/2/2006   Post a comment
Altair Nanotechnologies announces that in ongoing testing it has completed 15,000 deep charge/discharge cycles of its NanoSafe battery cells, which equates to approximately 40 years of daily use.


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