Enhanced myPower tools accelerate DC/DC reference designs
Product News 6/28/2006 Post a comment
International Rectifier's POWIR+ chipset reference designs, an enhanced expansion to the company's myPOWER collection of on-line design services, simplify and accelerate the design of single-phase synchronous buck converters appropriate to the power level for computing and high-end consumer applications.
Miniature DC/DCs power 1-W isolated apps
Product News 6/27/2006 Post a comment
Texas Instruments' DCH01 family of miniature plug-in power modules delivers 1 watt at 5, 12, or 15 volts, or ±5, ±12 or ±15 volts for a variety of isolated-supply applications including data acquisition, motor control, programmable logic control, test and measurement, medical instrumentation and professional audio applications.
UPS fills in 2 kVA gap for computing
Product News 6/27/2006 Post a comment
Filling out the 1 to 3 kVA power space, Emerson Network Power has added a 1920 VA model to its Liebert PSI family of uninterruptible power supplies to serve mid-range computing applications.
Digital power-conversion for the analog engineer
Design How-To 6/26/2006 1 comment
Designing power supplies often requires that the designer oversize the components to compensate for variation and drift of the components and these same power supplies need tuning after manufacture. Here's an in-depth article telling design engineer how to implement intelligent digital control to resolve these problems.
Project to show direct current can power data centers
News & Analysis 6/23/2006 Post a comment
Researchers at the Dept. of Energy's Lawrence Berkeley National Laboratory have teamed with 20 hi-tech companies including Sun Microsystems, Intel, and Cisco to demonstrate using direct current technologies to power data centers and hopefully save billions of dollars a year in the energy costs of operating them.
Custom supercap orders turn around in 14 days
Product News 6/21/2006 Post a comment
Maxwell Technologies' "Quick-Turn" BOOSTCAP ultracapacitor module program offers shipment within 14 days of an order for custom-configured multi-cell energy storage and power delivery solutions extending to 540 volts.
Varian to deploy wind turbines for electricity
News & Analysis 6/16/2006 Post a comment
The Massachusetts Technology Collaborative (MTC) Renewable Energy Trust has granted Varian Semiconductor Equipment Associates Inc. $575,000 to design and construct two 1.5 megawatt wind turbines at its world headquarters that could supply the company with up to half of its electricity supply.
500-watt AC/DC toughs out explosive, COTS environments
Product News 6/15/2006 Post a comment
Lambda's rugged LZSa500-3, delivering 500 watts at a nominal 24 volts, has a wide operating temperature range, compliance with MIL-STD-810 standards for shock and vibration, and can operate in explosive gas atmospheres for chemical processing and COTS environments.
How to be quiet in desk top power supplies
Design How-To 6/15/2006 1 comment
The trend in power supplies is toward higher power densities and quieter power supply fans. Here's what you need to know to help you design power supplies that meet your customer's silent needs.
Reference design boosts AC adapter efficiencies to 88 percent
Product News 6/12/2006 Post a comment
ON Semiconductor's fifth GreenPoint reference design, for 60-watt power adapters used for LCD TVs, monitors and notebooks, addresses the often tedious challenges inherent in meeting standby and active mode energy efficiency regulations for a wide range of consumer applications.
Battery charger dramatically shrinks recharge time
Product News 6/6/2006 Post a comment
AccelRate say it has passed a key milestone in the development of its high-speed charging for use with advanced lithium batteries. The company says it has safely reduced the lithium-ion battery's charge time from two hours to less than one-half hour.
Inductor choice yields performance tradeoffs
Design How-To 6/5/2006 Post a comment
Many applications specify the inductor value shown in the switching converter's data sheet or evaluation kit, but those values are usually application specific or geared to specific performance criteria. Here's how to evaluate inductors for efficiency, noise, and transient response.
Neah migrating fuel cell process to 200-mm
News & Analysis 6/2/2006 Post a comment
Micro fuel-cell developer Neah Power Systems announced plans to expand the research and development of its patented porous silicon-based direct methanol fuel cell to include 200-mm wafers. The company's current process primarily uses 100-mm wafers.