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Content tagged with Power
posted in May 2006
Voltage monitors do more than protect processors
Design How-To  
5/31/2006   Post a comment
Voltage monitors are more versatile than the first versions from long ago. They often do the job of a comparator with less and for less. Here are some uses for the voltage monitor that you may not have thought about.
MOSFETs improves light-load efficiency in battery-operated systems
Product News  
5/31/2006   Post a comment
International Rectifier introduces two 30-volt synchronous buck HEXFET MOSFETs for DC-DC synchronous point-of-load (POL) converters. It improves light-load efficiency in battery operated systems.
Inverter motor drivers rev up to 7.5 kW
Product News  
5/31/2006   Post a comment
Extending the Smart Power Module portfolio to higher power commercial and industrial inverter motor applications, Fairchild's 50-amp FSAM50SM60A and 75-amp FSAM75SM60A deliver up to 5 and 7.5 kW for air conditioners and factory automation.
Hoku Scientific to sell solar modules, polysilicon
News & Analysis  
5/30/2006   Post a comment
Hydrocarbon membrane and membrane electrode assembly supplier Hoku Scientific Inc. announced it plans to manufacture and sell solar modules, in addition to the polysilicon used to produce solar modules.
Workshop focuses on DC power production
News & Analysis  
5/30/2006   Post a comment
On June 1-2 Transistor Devices will speak about optimizing uninterruptible power for modern data processing equipment at an EPRI workshop.
Railway supplies extend to 280 watts
Product News  
5/30/2006   Post a comment
Absopulse's RWY282 dual-output, push-pull DC/DC converter, an extension to the company's RWY series designed for railway and other critical applications in harsh environments, delivers 280 watts in a compact enclosure measuring just 4.4-by-7.90-by-2.4 inches and weighing less than 3 pounds.
Meet the demand for high-availability power systems at lower power levels
Design How-To  
5/29/2006   Post a comment
Redundant power architectures are found anywhere where the system up-time is required such as large telecom, and datacom, but now, smaller systems are looking to add power supply redundancy as a means of differentiating from competitors. High availability power solutions for relatively low power requirements can now be built and here's how to do it economically with a building-block approach.
Carnegie Mellon researchers attack rising costs, power and cooling of data centers
News & Analysis  
5/26/2006   Post a comment
Carnegie Mellon University researchers announced the creation of the Data Center Observatory. The principle research goals are to better comprehend and mitigate costs, power and cooling challenges, and failures.
Linear Tech's power manager targets USB
News & Analysis  
5/26/2006   Post a comment
Wih the bus connected, the LTC4085 directs power through the USB bus rather than extracting power from the battery.
50-watt sixteenth-bricks deliver full power at up to +70 C
Product News  
5/26/2006   Post a comment
Power-One's SSQ Series of sixteenth-brick DC/DC converters delivers 50 watts and up to 95 percent of full rated power at +70 C with as little as 200 LFM cooling for intermediate bus architectures, telecom, datacom, wireless communications, and servers and workstations.
D-cell ultracaps keep automotives running
Product News  
5/26/2006   Post a comment
Maxwell Technologies' BOOSTCAP ultracapacitors are now available in D-cell packs and modules as an alternative to battery-based solutions for automotive networks and industrial applications.
AC/DC family adds rugged 30-watt modules
Product News  
5/26/2006   Post a comment
BEAR Power Supplies has added a line of rugged 30-watt AC/DC converters to its family of 5-, 10-, and 15-watt encapsulated supplies for commercial, industrial, and medical applications.
Lithium-ion battery packs add authentication, safety protection
Product News  
5/25/2006   Post a comment
Upgrades to Micro Power Electronics' SecuraPack lithium-ion battery packs include authentication, redundant protection circuits, and Li-ion cells designed with enhanced safety for portable applications.
Industrial DC/DCs with ultrahigh-voltage inputs deliver up to 1 kW
Product News  
5/24/2006   Post a comment
V-Infinity's rugged single-output DC/DC converters in the company's extended VKD1000 series deliver up to 1 kW at 12, 15, 24, 28, and 48 volts from 80-180, 200-400, and 400-800 VDC inputs for transportation, telecom, and base station applications.
Choose the best inductor, capacitor for DC/DC converters in portables
Design How-To  
5/24/2006   Post a comment
The shrinking size of portable electronics puts the squeeze on designers to maintain battery life, decrease heat or power dissipation and find new ways to further shrink board size. Here's some practical advice for these issues and the accompanying trade offs that tangle up your design decisions.
UPS power management software for Linux
Product News  
5/23/2006   Post a comment
MGE UPS Systems says its Personal Solution Pac 3.0 for Linux is the first uninterruptible power supply (UPS) power management solution fully based on open source code.
Analog development team expanded to include power, system, IC design capabilities
News & Analysis  
5/23/2006   Post a comment
Fairchild Semiconductor is adding three analog development teams to bolster its power analog business.
Dual-axis servoamp drives a wide range of motors
Product News  
5/22/2006   Post a comment
Copley Controls' Model 800-1514 servo amplifier provides independent (torque) control of two brushless motors. It's compatible with universal encoder and Hall feedback systems and thus frees designers to mix and match motors from different manufacturers.
Power management selection guide ranges from typical to atypical
News & Analysis  
5/22/2006   Post a comment
Texas Instruments offers a power management selection guide for complete power solutions.
How supercapacitors solve LED flash power issues in high res camera phones -- Part 1
Design How-To  
5/22/2006   Post a comment
How do you get the high intensity flash needed for camera phones with more than 2 megapixel resolution? Traditional LED flash driver circuits can exceed the battery's capability but here's an excellent alternative solution that meets the size limitations and power requirements.
Get straight on ultracapacitors
Power DesignLine Blog  
5/19/2006   Post a comment
Ultracapacitors have gained recognition for a possible use in many applications but there are still some misconceptions about them. Here's some straight talk to fill you up with the ideas.
Tightly regulated 12-V bus converter targets ATCA
Product News  
5/19/2006   Post a comment
SynQor's PQ60120QEA25 bus converter touts high regulation at high efficiency for serving Advanced Telecom Computing Standards (ATCA) requirements.
Digital power revolution still years away
Survey  
5/19/2006   Post a comment
IMS Research says digitally-controlled power supplies are still a couple years away. But there's a difference between full digital and hybrid digital.
DC/DC family adds 50-watt modules for industrial, medical tasks
Product News  
5/18/2006   Post a comment
Vicor Corporation's seven new additions to the company's Micro family of DC/DC converters are designed for low/mid-power applications in industrial and process control, distributed power, medical, ATE, communications, defense, and aerospace.
DIN-rail converters serve 24-volt railway applications
Product News  
5/18/2006   Post a comment
Power-One's EWR1601-6 and EWN2660-6 DIN-rail mount DC/DC converters are designed to meet the rigorous requirements of rolling stock applications.
8-amp POLs cite power-density edge for distributed-bus apps
Product News  
5/17/2006   Post a comment
Citing a step increase in current delivery and power density over the traditional small-footprint point-of-load converter, FDK's FPMR12TR7508NA (0.9-by-0.4-by-0.195 inch SIP package) and the FPMR12SR7508NA (0.8-by-0.45-by-0.211 inch SMD package) deliver 8 amps for intermediate bus and distributed power applications.
Li-Ion battery chargers -- not just another design
Design How-To  
5/17/2006   Post a comment
You are mobile, therefore you have batteries -- and they need charging. However, reaching the end-of-charge voltage target accurately and smoothly is the key feature of a charger. This article shows how it is done now and what some future possibilities are for Lithium-Ion batteries - to keep you mobile longer.
Lithium-ion batteries make a grab for power
Product News  
5/16/2006   Post a comment
Product recap - Lithium-ions, the battery of choice for powering wireless and portable devices, are making a run at NiCd, NiMH, and the traditional lead-acid battery.
2-watt POL is economical in tight layouts
Product News  
5/16/2006   Post a comment
BI Technologies' 2-watt point-of-load converter uses a ceramic base and hybrid technology to virtually eliminate any external heat sink requirements, thus reducing the overall installed cost of the device.
All-day batteries, are we there yet?
Power DesignLine Blog  
5/12/2006   Post a comment
There have been several news items in recent weeks about new battery technologies or improvements on existing designs. It seems they all have one thing in common -- they're not here yet.
Adapter injects 60 watts onto a single PoE port
Product News  
5/12/2006   Post a comment
Phihong's POE60U power-over-Ethernet (PoE) adapter/ injector can deliver up to 60 watts to a single port.
75-watt DIN rail supplies tout lowest cost
Product News  
5/11/2006   Post a comment
Touting the lowest-cost 75-watt DIN rail supplies, MicroPower Direct's DR-75 are the first available of the company's DIN-rail product lines that will extend to 240 watts.
Digital power monitors cool blade servers
Product News  
5/10/2006   Post a comment
Analog Devices introduces a family of digital power monitors that reduce power requirements, cost and thermal challenges in blade servers, blade PCs and advanced telecom computing architecture (ATCA) cards.
ColdWatt's power supplies validated by EPRI Solutions
News & Analysis  
5/10/2006   Post a comment
ColdWatt says its approach to energy efficient power solutions for enterprise server equipment has been validated by EPRI Solutions. The power supply delivers 87 percent efficiency from 50 percent through 100 percent of rated output power.
24-port midspan cuts PoE costs in half
Product News  
5/10/2006   Post a comment
Phihong gigabit power-over-Ethernet (PoE) midspan, the POE370U Series for 10-, 100-, and 1000-Base-T networks, touts reduced system cost - barely more than half the cost of competing products.
Fully integrated powered-device interface drives down PoE costs
Product News  
5/10/2006   Post a comment
C&D Technologies calls its NMPD modules the industry's first family of fully-integrated powered device (PD) interfaces intended to significantly reduce component count, design time, and the installation cost of power over Ethernet (PoE) networks.
4-pair PoE controller supports 30-56 watt applications
Product News  
5/9/2006   Post a comment
PowerDsine claims the industry's first four-pair PoE controller, its PD83000, for supporting more Power over Ethernet (PoE) devices and next-generation requirements for 30-56 watts.
Webcast focuses on power concerns with LED display lighting
News & Analysis  
5/8/2006   Post a comment
Here's a last minute reminder for design engineers that want to know about powering light emitting diodes from the experts at Texas Instruments and Arrow Electronics.
Half-bridge topology finds applications in high density power converters
Design How-To  
5/8/2006   1 comment
Topologies that had previously been used only in high power applications are now finding their way into medium and lower power applications. However, successful design of a high density power converter requires topology selection as the first and most important choice. Find out how to make the right choices.
Filtronic in talks to sell its PA operations
News & Analysis  
5/5/2006   Post a comment
Shares in wireless communications and compound semiconductor company Filtronic plc rose sharply on the London market Friday (May 5) as the company said it is in negotiations to sell to Powerwave Technologies Inc. the transmit receive module and power amplifier businesses of its Wireless Infrastructure Division.
54-volt, 275-watt half-brick drives PoE applications
Product News  
5/4/2006   Post a comment
SynQor's PQ55540HTx05 Tera half-brick converters deliver 54 volts at 5.1 amps for Power over Ethernet and VoIP applications.
AC/DC supply with PFC input delivers 1 kW for industrial loads
Product News  
5/4/2006   Post a comment
Absopulse Electronics’ PFCF419 AC/DC supply delivers up to 1000 watts from a universal (90-264 VAC, 47-420 Hz) input for industrial and other heavy-duty applications requiring a power factor corrected input.
How to integrate intelligent thermal management into a CPU fan
Design How-To  
5/3/2006   Post a comment
The temperature challenge for today's designers is to deliver more complex cooling capability as hot spots multiply within the PC. And, it must be done while minimizing both acoustics and overall cost. Here's how to keep cool as designs get more complex with conflicting demands
Europe charges up battery recycling rules
News & Analysis  
5/3/2006   Post a comment
Battery manufacturers and resellers are to be forced to dispose of spent units, especially those used in laptops and mobile phones, and new batteries will be restricted in the amount of mercury and cadmium they can contain, according to a deal agreed by European Union lawmakers as part of a contentious health and safety directive.
Frost & Sullivan presents technology innovation award for graphite foam battery
News & Analysis  
5/3/2006   Post a comment
Firefly Energy developing a graphite foam lead acid battery, has received Frost & Sullivan's 2006 Technology Innovation Award.
UPS reduces entry cost of a scalable backup system
Product News  
5/1/2006   Post a comment
MGE UPS Systems says its Pulsar MX 5000 RT building block, a 5 kVA (4.5 kW) uninterruptible power supply for IT and facility managers, will significantly cut the entry cost of a scalable backup power system.
Step-down circuit with I2 enables dynamic voltage scaling, extends battery life
Product News  
5/1/2006   Post a comment
TI Unveils 3-MHz DC/DC converter compatible with SmartReflex technology for Li-Ion-powered electronics
Solar cell supplier Innovalight raises $7.5 million
News & Analysis  
5/1/2006   Post a comment
Innovalight Inc., a privately-held firm focused on developing low-cost, nanotechnology-based printed solar cells, has raised an additional $7.5 million in private equity financing.


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Dr. Duino Diagnostic Shield Deduces Dilemmas in Arduino Shield Stacks
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13 comments
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11 Summer Vacation Spots for Engineers
EDN Staff
20 comments
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Glen Chenier
15 comments
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Engineers Should Study Finance: 5 Reasons Why
Larry Desjardin
46 comments
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