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posted in September 2005
Emerson network powers Liebert's Global Services Group
News & Analysis  
9/30/2005   Post a comment
An Internet-based remote monitoring gateway from Emerson Network Power creates a secure link between mission critical infrastructure equipment (for example, UPS, cooling, generators) at the customer's facility and the Liebert Global Services command center.
1500-watt industrial supplies carry 5-year warranty
Product News  
9/30/2005   Post a comment
Suited for high-power, high-reliability designs, Lambda's HWS1500 series of AC/DC fan-cooled single-output supplies, for industrial equipment and like applications, comes with a five-year warranty. These rack-mount units are available in four versions, with nominal outputs at 12, 15, 24 and 48 volts.
300-watt AC/DCs serve compact robotics
Product News  
9/30/2005   Post a comment
MicroPower Direct's HF300W-SC series of AC/DC supplies, in a compact 8.5-by-4.5-by-1.96 inch enclosure, delivers up to 300 watts for machine/process control systems, industrial robotics, and datacom and telecom applications. These switchers include power factor correction to over 0.98 and robust filtering.
Digital power control platform is flexible, reconfigurable initially targeting military test
Product News  
9/30/2005   Post a comment
Elgar Electronics announces ReFlex Power (RFP) for military automated test. It uses digital control and power technologies in a dense, modular, programmable power system.
Low-threshold MOSFETs to the rescue for today's power-hungry portable devices
Design How-To  
9/29/2005   Post a comment
Portable devices are pushing battery and semiconductor manufacturers to supply the needed power and both are straining to keep up. Here's how MOSFET technology can lower the power requirements without affecting performance in your portable designs.
Half-sized desktop supply delivers 120 watts
Product News  
9/29/2005   Post a comment
XP Power says its AML120 desktop supply, at 120 watts, is half the size of most competing AC/DC products. The supply measures just 6.58-by-2.56-by-1.46 inches.
PSE controller has unique fit for PoE apps
Product News  
9/29/2005   Post a comment
Maxim offers a quad IEEE802.3af-compliant power-sourcing-equipment (PSE) controller for Power-over-Ethernet (PoE).
Energy-Saving Electronic Ballasts Report
Special Report  
9/28/2005   Post a comment
Darnell unleashes a 340-page report that provides a detailed and in-depth examination of the electronic ballast market and the trends that drive the market.
IEEE creates task force to develop next PoE standard
News & Analysis  
9/28/2005   Post a comment
The IEEE 802.3 has created a new task force to develop an enhanced PoE standard, dubbed PoEPlus, based on the objectives of the IEEE PoEPlus Study Group.
AC/DC configurables advance on the spot
Product News  
9/27/2005   Post a comment
AC/DC Product Recap - On-the-spot configurability and more flexible sources for medical applications top the OEM designers’ list of demands on what an AC/DC switching supply ought to be, and manufacturers are quickly answering the call. Indeed, defining the attributes of the so-called “ideal” product for myriad AC/DC applications goes on almost without limit, yet vendors are fast sorting it out by providing higher-density 1U-sized supplies for datacom and telecom applications.
Strategic patent issued for powering digital ICs
News & Analysis  
9/26/2005   Post a comment
Here's a patent that says the chip compares an entry from a table corresponding to the present power state of said semiconductor die to a clock counter frequency divider output to determine duty cycle and/or switching frequency of the power switching transistor.
Power over Ethernet Considerations for VoIP Networks
Design How-To  
9/26/2005   Post a comment
Supporting PoE devices and the increased power they require can be a challenging task for system designers. Here's the help to make the appropriate design choices to implement in your network.
Hot swap power management controllers save real estate
Product News  
9/25/2005   Post a comment
Freescale offers two, single-chip, space saving, hot swap controllers that provide load current control and protection needed to help prevent severe and permanent damage resulting from power surges.
8-watt DC/DCs extend low-cost series
Product News  
9/23/2005   Post a comment
MicroPower Direct's A800ERW family of (isolated) DC/DC converters, an extension to the company's Budget Saver series, provides 8 watts in a DIP case for compact, low-cost board-mount installations. The single- and dual-output modules, in 28 standard models, provide 3.3, 5, 9, 12, 15, ±5, ±12, and ±15 VDC from a nominal 5-, 12-, 24-, or 48-volt input.
IPMs take a walk in the sun
Product News  
9/22/2005   Post a comment
The newest series of intelligent power modules (IPMs) from Powerex, the PV-IPM, is targeted specifically for emerging photovoltaic (PV) inverter applications. These controller modules, available in three different circuit topologies for 50- or 75-ampere/600-volt service (total 12 models, choice of pin or screw terminals), include a single-phase inverter circuit; single-phase inverter with one boost chopper; and a single-phase inverter with two boost choppers.
Compact supply delivers 800 watts to the industry
Product News  
9/22/2005   Post a comment
V-Infinity's VPF/VPM-S800-XXR series 800-watt switching power supplies are suited to industrial and networking applications. The supplies, available in U-frame (VPF designation, 7.99-by-4.33-by-2.56 inches) and metal-enclosed (VPM designation, 9.17-by-4.25-by-2.5 inches) versions, deliver 12 to 48 VDC in five models from a universal AC input.
1U front-end boasts highest power-density
Product News  
9/22/2005   Post a comment
C&D Technologies' new DIU-W-1600-12-HC, an AC/DC front-end supply, delivers up to 1600 watts at 12 volts (220 VAC input, 1200 watts at 12 volts for a 110 VAC input) for blade servers, workstations, and storage systems. The 1U high unit boasts a leading power density of 17.5 watts per cubic inch.
PDUs advance remote metering/monitoring
Product News  
9/21/2005   Post a comment
MGE UPS Systems' new Switched Power Distribution Units (PDUs) for industrial, data center and telecom applications, with current/voltage metering and remote control capability, facilitate equipment monitoring and individual on-off control of up to 16 outlets. The PDUs occupy just 1U of rack space, or zero-U in the vertical configuration.
Small UPS touts dynamic LCD readout
Product News  
9/20/2005   Post a comment
Tripp Lite says its SmartUPS1000, a line-interactive 1 kVA uninterruptible power supply, is the first of its kind in North America to feature a liquid crystal display (LCD) for digital readout.
Power Supply Ripple Rejection and Linear Regulators: What's all the noise about?
Design How-To  
9/20/2005   Post a comment
Catching the wave of integration and the demand for point-of-load (POL) regulation, many load-specific LDOs are now being deployed on-chip. However, on-chip capacitors can only work at very high frequencies. Here's what you can do to quiet the noise with only on-chip capacitors.
Toshiba fuel cells to power portable music players
News & Analysis  
9/19/2005   Post a comment
Toshiba Corp. has built fuel cells in small music player prototypes and begun field testing to check their durability and safety.
DC/DC supplies expand industrial reach
Product News  
9/16/2005   Post a comment
Absopulse Electronics' expanded DCW Series of DC/DC supplies includes two new wide-input models and increased output power, up to 200 watts. These products, designed for operation in rugged industrial environments, accommodate either a 20- to 60-volt input, or a 65- to 160-VDC input. They deliver 100, 150, or 200 watts, with standard output voltages of 12, 24, 48 or 125 VDC. Other output voltages are also possible.
15-W supply provides medical benefits
Product News  
9/14/2005   Post a comment
XP Power's CU15-M, a 15-watt open-frame AC/DC switcher for medical applications, offers a small, low-cost alternative to competing supplies. With a footprint of just 2.75-by-1.89 inches and less than 1 inch high, it saves 20 percent board space and eliminates the need for external power supplies in many applications.
Powersystem-Controller protokolliert Systemfehler
News & Analysis  
9/13/2005   Post a comment
Der kanadische Anbieter Potentia hat mit dem PS-2607 einen Controller für Stromversorgungen entwickelt, der erstmals Fehlfunktionen protokolliert.
The 'thermal diode'…A diode or a transistor?
Design How-To  
9/13/2005   Post a comment
This is part two of a three-part series on thermal management. This article explains the unique characteristics of a 2-terminal diode and bi-polar junction transistor, and quantifies the errors that result when these two devices are used interchangeably.
Get ready for more communications, power disruptions as solar rage continues
News & Analysis  
9/12/2005   Post a comment
Solar activity is spiking again causing some disruptions in communications as well as power grids around the globe. Check your backup power.
Desktops deliver 150 watts for laptops
Product News  
9/12/2005   Post a comment
Wall Industries' DTPW150A series of single-output desktop power supplies delivers up to 150 watts for laptops, mini PCs, printers, camera display units and flat panel monitors. These supplies provide single outputs at 12, 15, 17, 18, 19, 20, 24, 36, or 48 VDC.
Ultracapacitors enable distributed automotive power
Design How-To  
9/12/2005   Post a comment
The steadily escalating demand for power to drive advanced automotive electronics is straining the capabilities of existing 14V electrical systems.
IT professionals can get extended run time using fuel cell technology
News & Analysis  
9/12/2005   Post a comment
APC’s award-winning InfraStruXure architecture now offers IT professionals the ability to power their IT systems using fuel cell technology, an alternative to traditional extended-run options.
Doing their part
Power DesignLine Blog  
9/9/2005   Post a comment
Came across an interesting article about a school system that was doing its part to save energy by using more efficient power supplies. This could work, but are there other ways?
Challenge is met to improve energy efficiency of desktop computers in schools
News & Analysis  
9/9/2005   Post a comment
Nearly all desktop computers and desktop-derived servers can take advantage of more efficient drop-in power supplies to cut energy consumption 15 percent to 25 percent without costly, time-consuming redesigns. Now some communities are responding with the help of incentives from utilities. Are you doing your part?
New FunctionPAKs ease prototyping
Product News  
9/8/2005   Post a comment
All of Vishay's FunctionPAK DC/DC (nonisolated) converters and current control modules are now available in a new surface-mount adaptor board configuration to support engineering prototype assembly. While most production operations can handle the standard FunctionPAK surface-mount BGA configuration, these new "SM" versions will facilitate the assembly process for any engineering lab that finds it difficult to handle the BGA configuration in its prototype assembly lab.
No-bus digital POLs cut designers a break
Product News  
9/8/2005   Post a comment
Power-One's bills its three new No-Bus point-of-load (POL) converters, the 7-amp ZY1207, 15-amp ZY1115, and 20-amp ZY1120, as cost-effective digital alternatives to analog POLs. They will allow users to save typically between $5 and $10 for a four-output intermediate bus power system, according to the company.
AC/DCs measure up to instrumentation
Product News  
9/8/2005   Post a comment
Touting a small footprint and high power density that's among the industry's best, Astrodyne's PPS/PPT 125 series, a 3-by-5 inch open-frame switching power supply, delivers 125 watts in 12 models (3.3 to 48 volts output) for instrumentation, industrial controls, embedded systems and telecom applications.
A Novel Approach to Creating a High-Efficiency, Simple Buck-Boost Converter
Design How-To  
9/7/2005   Post a comment
A common solution get a stable voltage that is higher and lower than the input is to use a boost converter followed by an LDO. Here's a simple one-stage solution with a boost converter that offers high efficiency and compared to the common solution.
Stuck in legal limbo but forging ahead
News & Analysis  
9/6/2005   Post a comment
Being stuck in legal limbo doesn't keep Green Power from forging ahead with a new digital power management module.
Field-configurable supplies expand medical options
Product News  
9/6/2005   Post a comment
Excelsys says the medically approved modular power supplies in its Xmite family are the industry's first field-configurable types of their kind. "No other power supply in the industry is capable of such end user flexibility and power density," said Jim Oursler, vice president.
Tech conference offers the latest in nanoscale engineering
News & Analysis  
9/6/2005   Post a comment
Nano2005 in Boston promises to offer you the latest in nanoscale engineering, especially those that affect power, energy, communications and electronics.
A Watertight Plan
Design How-To  
9/2/2005   Post a comment
It won't happen to me," you think. "My company isn't in a floodplain or tornado alley, and it's nowhere near a likely bombing target." But disasters--natural and man-made--occur every day in unexpected ways. A timely article from IT Architect
1U switcher racks up network gains
Product News  
9/2/2005   Post a comment
Emerson Network Power's Astec LPS120 switching power supply family, in five models, deliver up to 130 watts for networking and dense rack applications. "These compact low-power switchers are a great solution for a wide range of uses including telecommunications, networking, test and measurement, single-board computers and gigabit Ethernet devices," said Tom Tillman, product line manager. "At only 1.29 inches high, they have a compact footprint of only 3 inches by 5 inches and can be set up for l
1U, 600-watt supply delivers for telecom
Product News  
9/2/2005   Post a comment
Taiyo Yuden's AAD600S, the latest addition to the company's AAD Series of 1U-high switch-mode power supplies, delivers up to 600 watts continuous power. The (isolated) single-output series, available in six models, is power factor corrected to 0.99 at full load for telecom and process control applications.
UPS, PoE Midspan receives recognition
News & Analysis  
9/1/2005   Post a comment
MGE UPS Systems receives accolades for PoE midspan and recognized as a finalist in the prestigious INNOVATION Awards competition.


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