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posted in June 2005
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Dual-CCFL inverter lights up super bright 12-, 15-inch displays
Product News  
6/30/2005   Post a comment
Taiyo Yuden's KLS-150A is a compact single-board DC/AC inverter for driving two cold-cathode fluorescent lamps (CCFL) in backlighting applications for selected Sharp and Optrex liquid-crystal displays (LCDs). Typically suited to medical and industrial equipment requiring super-bright, high-visibility displays, it's rated for operation in harsh environments (0 to +60°C).
Energy-harvesting chips and the quest for everlasting life
Design How-To  
6/30/2005   1 comment
What a fix we have ourselves in - we want very small, battery operated devices, but the battery life available can't keep abreast with the shrinking size and increasing needs. Is there a solution to obtain this, the holy grail of portables - the everlasting operational life? Take a look at what Georgia Tech is working on.
Dual-input supply keeps substation equipment up
Product News  
6/29/2005   Post a comment
The Rackguard RG1202 from Northwest Power Integrations, a subsidiary of Vicor Corp., is a 600-watt dual-input AC/DC and DC/DC rack-mounted power supply specifically engineered for supervisory control and data acquisition (SCADA) systems typically used to monitor and manage power lines from a central location.
How to stabilize a buck or LDO to use ceramic caps
Design How-To  
6/29/2005   Post a comment
Ceramic caps should be ideal for use in power supplies but many switcher LDO regulator data sheets specify tantalum caps. Why?, because of feedback stability. Here's some solid advice on how to safely design with ceramic caps.
APEC 2006 to Focus on the Future of Power
News & Analysis  
6/29/2005   Post a comment
A call for papers was issued by APEC, the leading power conference. Expanded events are planned for the show in New Orleans in February, 2006. Get more details here.
10-watt DC/DCs point to lowest cost
Product News  
6/29/2005   Post a comment
The single and dual output DC/DC converters in MicroPower Direct's B1000ERW series, an addition to the company's Budget Saver family, are promoted as the lowest cost 10-watt modules of their type. Priced at from $9.75 to $10.40 each in quantities of 100, these 1-by-2 inch converters, in eighteen models, provide 5, 12, 15, and ±5, ±12, and ±15 volts from a 9-18, 18-36, or 36-75 volt input.
Standing in line for some juice
Power DesignLine Blog  
6/29/2005   Post a comment
How many portables do you carry? How often do you have to charge them? Likely it's too many times. Come vent with me and even share your thoughts about what to do.
DIN-rail UPS serves the factory floor
Product News  
6/29/2005   Post a comment
Sola/Hevi-Duty's SDU Series of off-line uninterruptible power supplies (UPSes) are designed to mount on a DIN rail to provide protection for sensitive electronics (including industrial computers, robotics, automation and process control equipment) on the factory floor. With a compact footprint and minimal weight (11 lbs.), the SDU can also be installed in a control panel or easily integrated into an enclosure or machine where space considerations are at a premium.
Artesyn Technologies bulks up new power conversion catalog
News & Analysis  
6/28/2005   Post a comment
The latest edition of Artesyn's Quick-select Guide for power conversion products runs to 24 information-packed pages, and is available in PDF and printed formats.
On-line power supply configuration tool makes it easy
News & Analysis  
6/28/2005   Post a comment
Vicor now offers a flexible on-line power supply configurator tool for its AC-DC power supplies.
Quarter-brick IBCs extend to 450 watts
Product News  
6/28/2005   Post a comment
Artesyn says its series of very high efficiency Typhoon quarter-brick intermediate bus converters (IBCs) delivers up to 50 percent more useable power than the company's previous generation. Providing up to 450 watts, these single-output 12-volt models include the IBC38AQT (unregulated, 4:1 fixed-ratio input/output) for computing and two semi-regulated models with input voltage ranges optimized for telecom (IBC28AQW) and networking (IBC30AQS) to power multiple point-of-load (POL) converters.
Challenging future engineers
Automotive DesignLine Blog  
6/28/2005   Post a comment
The program tests university teams to come up with technology to reduce energy consumption and emissions in a consumer friendly vehicle.
The right voltage supervisor improves system reliability
Design How-To  
6/27/2005   Post a comment
To get reliable power supply fault detection, the required supervisor accuracy should take into account both the power supply output voltage range and the device's operating power supply voltage tolerance. Here's how you can do it.
Ericsson to reportedly lay off 130, move jobs to China
News & Analysis  
6/27/2005   Post a comment
Wireless equipment Ericsson announced it would lay off 130 of its 230 employees at a unit in Kalmar, Sweden, and move manufacturing jobs to China, according to an Associated Press report.
Power supply controller for notebooks extend battery life
Product News  
6/24/2005   Post a comment
Intersil introduces cost effective, high efficiency, quad-output main power supply controller for notebook computers.
Modular supplies make light work of test and medical
Product News  
6/24/2005   Post a comment
Lambda has expanded its Vega series of AC/DC supplies with its Vega Lite, designed as a cost-effective and highly configurable modular power supply offering up to 900 watts. The modular-style power supplies are suited to many low- to medium-volume applications, ranging from medical to test and measurement.
Ericsson receives award from China power supply industry
News & Analysis  
6/24/2005   Post a comment
Ericsson Power Modules' global operation, Shanghai Ericsson" Simtek Electronics has received an award from the China Power Supply Industry as 'The Best Partner of China Power Supply Industry'.
Fuel cell specs for notebooks released
News & Analysis  
6/24/2005   Post a comment
The Mobile PC Extended Battery Life Working Group, an Intel initiative, has released its "Fuel Cell Guidelines for Mobile PCs" covering electrical, mechanical, control, thermal, environmental and regulatory aspects of fuel cells for mobile PCs.
Company receives $3.5 Million in Federal Funding for Direct Methanol Fuel Cell
News & Analysis  
6/24/2005   Post a comment
$3.5 million in Federal Funding was included in the DoD bill for the Neah Power Systems porous silicon-based direct methanol fuel cell.
Chip lädt Akkus über USB-Anschluss
News & Analysis  
6/24/2005   Post a comment
Das Laden von Akkus über einen USB-Anschluss steuert ein neuer Chip von National Semiconductor. Eine weitere IC-Neuheit aus dem selben Hause schützt den Energiespeicher vor Überladung. Zielanwendungen für beide Schaltkreise sind Mobiltelefone, Digitalkameras, tragbare Multimediaplayer und portable Messgeräte.
Outdoor power plant cuts telecom costs
Product News  
6/24/2005   Post a comment
Power-One's PODS 16 standby-power system is a completely self-contained outdoor power cabinet that provides rectification, system management, power distribution, and climate control. "The PODS 16 lowers electricity costs for telecom service providers by utilizing our advanced high-efficiency topologies. This is only one of the significant benefits offered to customers in a segment that we believe approximately doubles our standby-power-system served available market. The PODS 16 also supports ou
C&D Technologies inks former Kemet exec as new CEO
News & Analysis  
6/22/2005   Post a comment
Power supplier C&D Technologies Inc. has appointed Jeffrey Graves president and chief executive effective July 5, replacing interim CEO George MacKenzie.
Save a buck with a coupled inductor
Design How-To  
6/22/2005   Post a comment
Here are some simple ways you can use coupled inductors circuits as an alternative to using two switchers. The efficiency is better and the parts count is lower than a two switcher design. It's worth a look.
P-Channel switches first to offer on-resistance of 45 milliohms at 1.5 V
Product News  
6/22/2005   Post a comment
Vishay Siliconix P-channel load switches are the industry's first designed for on-resistance ratings of 45 milli-ohms at 1.5 Volts.
Amplifiers deliver RF power for test-and-measurement
Product News  
6/22/2005   Post a comment
AR Worldwide is adding three high-power 1500-W models to its line up of traveling wave tube (TWT) amplifiers
50/60-amp POLA converters tout tight solution
Product News  
6/21/2005   Post a comment
Artesyn Technologies' PTHxx040W series of high-density 50- and 60-amp DC/DC converters is compliant with the point-of-load alliance (POLA) initiative established for multi-vendor sourcing. The 50-amp PTH12040W, working from an 8- to 14-volt input, is suited to boards that utilize a loosely regulated, intermediate voltage bus fed by an intermediate bus converter (IBC) or 12-volt AC/DC supply. The 60-amp PTH04040W, working from a 2.95- to 5.5-volt input, is suited to boards that employ either a 3.
La chasse aux réductions de consommation d’énergie se poursuit à la DAC
News & Analysis  
6/21/2005   Post a comment
La chasse aux réductions de la consommation d’énergie, active ou en veille, des circuits intégrés CMOS évolués se poursuit alors que les ingénieurs et les développeurs d’outils ont fait part de leurs progrès lors de la Design Automation Conference (DAC).
AC/DC with 24-port PoE boosts VoIP solutions
Product News  
6/20/2005   Post a comment
Phihong's new PSM275-909 is a 275-watt power supply with integrated power-over-Ethernet injector specifically for switch and PBX applications. "Upgrading a design for PoE requires not only PoE injection but special power supplies," said Keith Hopwood, vice president of marketing. "The PSM275 provides both in a single package, offering a simple implementation in a standard off-the-shelf solution."
Meeting the power management needs of portable products
Design How-To  
6/20/2005   Post a comment
The biggest design challenge for portable products is working with small batteries and a limited power budget for multifunction devices. Find out how to deal with this conundrum.
Electric power generated from waste heat
Design How-To  
6/20/2005   Post a comment
The Advanced Industrial Science and Technology group says it generates practical thermoelectric power using ceramic materials.
Power Sources features MGE UPS uninterruptible power supplies
News & Analysis  
6/20/2005   Post a comment
Power Sources Unlimited now offers the MGE UPS Systems Pulsar Evolution uninterruptible power supply products for networking equipment and storage systems.
350-W DC/DCs answer telecom's call
Product News  
6/17/2005   Post a comment
Astrodyne's SD350 series of DC/DC converters, for medium power telecom, industrial control and embedded system applications, delivers 350 watts. These provide single outputs from 5 to 48 VDC in 12 models from a nominal 24, 48, or 100 VDC input (2:1 input range).
PWM synchronous buck controller goes mobile for graphics
Product News  
6/17/2005   Post a comment
Intersil announces a single phase PWM synchronous buck controller for Mobile Graphical Processing Units. It can be configured to operate in different modes to improve light load efficiency.
Blocks for buck/boost chips
Product News  
6/17/2005   Post a comment
LTRIM, specializing in high-performance power management and other analog intellectual property solutions introduces two new DC-DC converter IP blocks for buck, or buck/boost chip designs.
500/600-W switchers handle high peak loads
Product News  
6/17/2005   Post a comment
XP Power's SMC500 and SMC600 series of AC/DC switching supplies, now available in the U.S., tout high peak-load capability. Suited particularly for industrial applications, each series, which provides 500 and 600 watts at 12 to 54 VDC in 24 models (also six models in the SMC-500 series providing 264 to 400 watts at 3.3 to 5 volts, and 297 to 450 watts at 3.3 to 5 volts in the SMC-600 series), can deliver up to 80 percent their nominal rating for up to half a second.
Quarter-bricks proclaim new high-current benchmarks
Product News  
6/16/2005   Post a comment
TDK Innoveta's latest additions to its quarter-brick iQP (Powereta) series of DC/DC quarter-brick converters proclaim new family benchmarks for the highest usable current in tough environments. As for raw output current, the iQP's new 1.2-volt model can deliver up to 100 amps.
(Hybrid) Escape to the Cape
Automotive DesignLine Blog  
6/16/2005   Post a comment
Best mileage occurred stuck in a traffic jam, creeping along on the electric motor.
15-W DC/DCs are world's smallest encapsulated
Product News  
6/15/2005   Post a comment
Traco Electronic AG says its TracoPower THD-15 series of 15-watt DC/DC converters, in a 1-by-1-by-0.4 inch package, is the world's smallest encapsulated type for its power rating. The converters conform to the industry standard pin assignments of the common 1-by-2 inch platform.
Kit eases DC/DC board-mount installation
Product News  
6/15/2005   Post a comment
V-Infinity's new UF224 Series U-frame installation kit facilitates easy application of single output, 2-by-2 inch sized board-mount DC/DC converters. The kit, basically a PCB available in three model configurations (the converter is purchased separately), comes with all the components needed for input filtering and protection, including an input fuse. Users can add a trim potentiometer.
UPSes go home again
Product News  
6/14/2005   Post a comment
UPS recap - Taking another tour down the low-power road many vendors started on, uninterruptible power supply (UPS) makers are putting forth greater effort to serve small/medium businesses and the small office, home office (SOHO) community. It's a consequence of several traditional issues, which include the quality of the power coming from the grids and the nature of our increasingly unpredictable global weather—factors that account for perhaps one AC-mains related incident per day in the
Low-power linear amp module selected for Wi-Fi reference designs
Product News  
6/14/2005   Post a comment
A Fairchild Semiconductor power amplifier has been selected for use in Broadcom's latest single-chip and PCI Express-enabled Wi-Fi reference designs. It is a matched PA with integrated power detector to minimize the need for external components.
Battery management ICs target single-cell Li-ion and Li-polymer batteries
Product News  
6/14/2005   Post a comment
National Semiconductor introduces battery management and protection ICs for portable systems. They are ideal for phones, digital still cameras, PDAs and hand-held instrumentation.
Silicon for a long-life battery?
News & Analysis  
6/14/2005   Post a comment
Using some of the same manufacturing techniques that produce microchips, researchers have created a porous-silicon diode that may lead to improved betavoltaics. Such devices convert low levels of radiation into electricity.
A handbook on fuel cell technology
Product News  
6/13/2005   Post a comment
Here's a handbook with a comprehensive, state-of-the-art overview of fuel cell principles, technologies, and applications.
Know your trade-offs in portable designs
Design How-To  
6/13/2005   Post a comment
We are a mobile society and we need mobile devices to be at our command, when we need them. How do you design portable video devices to keep up with the demand for long battery life, and of what tradeoffs should you be aware? Here's some practical, down in the trenches help for your next design.
24-V POLs take on industrial chores
Product News  
6/10/2005   Post a comment
Tyco Electronics' Austin 24VinLynx series of DC/DC (nonisolated) converters is designed to meet the point-of-load demands of industrial and control applications. "Our new new Austin 24VinLynx series is designed to address the needs of 24-volt DC input applications," said Sabi Varma, vice president of marketing and development engineering. "This module truly extends the benefits of POL converters to two major market segments by providing standard power solutions."
Lithium-ion cell claims best-in-class performance
Product News  
6/10/2005   Post a comment
A new phosphate-based lithium-ion power cell from Valence Technology touts superior cycling and rate capability to existing types, with the company also promoting it as the only safe large-format lithium-ion rechargeable. Using the company's Saphion technology, the IFR18650p, a 3.2-volt, 1100 mA-h source, thus is designed to offer even greater benefits over nickel metal hydride (NiMH) and nickel cadmium (NiCd) power sources, particularly for consumer appliance applications.
Cree receives $12 million Naval contract for SiC devices
News & Analysis  
6/9/2005   Post a comment
Semiconductor supplier Cree Inc. has been awarded a $12 million contract by the Office of Naval Research (ONR) to develop silicon carbide (SiC)-based high voltage, high power electronic devices and power modules that can reduce the size and weight of power management equipment aboard the U.S. Navy's next generation aircraft carriers and other sea vessels.
Component orders dip in May, says ECA
News & Analysis  
6/9/2005   Post a comment
Component orders took a small dip in May, continuing a pattern of up and down ordering activity over the first half of 2005, according to the Electronic Components, Assemblies & Materials Association.
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