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.
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.
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.
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.
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.
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.
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.
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.
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.
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.