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Content tagged with Power
posted in October 2005
Get fully populated and tested power supplies within seven days
News & Analysis  
10/31/2005   Post a comment
Fairchild Semiconductor introduces its Power-On-Demand, an online capability that streamlines product selection and design for 10-25W AC/DC Switch Mode Power Supplies.
Blade readiness assessment helps data center managers
News & Analysis  
10/31/2005   Post a comment
American Power Conversion says its new Blade Readiness Assessment Service informs IT professionals of the feasibility of deploying blade servers in their current data center installations.
Single-cell Li-ion charger IC optimized for Bluetooth headset applications
Product News  
10/31/2005   Post a comment
Intersil introduces a single-cell Li-ion battery charger witha 28V input voltage rating that eliminates the over-voltage protection circuit normally required in low-input chargers, reducing component count and overall system cost.
DC/DC converter focuses on distributed power and power management
Product News  
10/31/2005   Post a comment
The Ericsson Power Module is a revised DC/DC converter that offers reduced cost and compatibility with the lead-free soldering process. It's is aimed at projects looking for cost reduction, particularly the cost of power per board.
Noise effects on temperature measurement accuracy in 'thermal diode' systems
Design How-To  
10/31/2005   Post a comment
This is the last in a series of three articles on thermal diodes. The previous two articles of the series demonstrated how 'thermal diodes' are used to measure temperature and developed an understanding of the internal variables of 'thermal diodes' used in temperature measurement systems. This article addresses an external variable -- noise coupling. It discusses the effects of noise coupling on 'thermal diode' systems and methods to prevent it.
100-watt AC/DC saves industrial space
Product News  
10/31/2005   Post a comment
XP Power says its single-output ECM100 AC/DC power supply, which delivers up to 100 watts, is at least one-third smaller than the industry's nearest competitor. These universal-input supplies, for industrial and medical applications, have a footprint of just 4.5-by-2.5 inches and are 1.2 inches high, thus setting claim on an industry-leading power density of 7.4 W/in3.
Rugged AC/DC delivers a well-regulated 1.5 kW
Product News  
10/28/2005   Post a comment
Absopulse Electronics’ HBL1000 is a rugged, low-profile AC/DC power supply that's suited for industrial, transportation and other heavy-duty applications requiring a well-regulated high-power source.
Quarter-brick touts high-temperature advantage
Product News  
10/27/2005   Post a comment
Power-One's 40-amp QME48 Series of quarter-brick DC/DC converters touts industry-leading thermal performance when compared to other 40-amp quarter-bricks, and most 40-amp half-bricks. The module, for communications and server applications, also boasts an MTBF of 13.9 million hours.
System to identify AC distribution impedance
Product News  
10/26/2005   Post a comment
Are you worried about poor AC power quality and excess energy use in your facility? For performing energy management and power quality studies, a very new company called Z Meters is readying a product that will address those concerns. It will use time-synchronized multi-point measurement and correlation techniques to characterize the impedance of an AC power distribution system.
Flywheel adds a turn to UPS performance
Product News  
10/25/2005   Post a comment
Pentadyne's VSS+ is the next generation of the company's advanced Voltage Support Solution (VSS) flywheel power system for replacing lead-acid batteries in uninterruptible power supplies (UPSes). The VSS+ is designed to provide significant cost savings in parallel system applications for industrial plants and broadcast facilities. For instance, four VSS+ units will supply back-up power to a 750 kVA UPS for 17 seconds.
Power management delivered to satellite radio
Product News  
10/24/2005   Post a comment
A power management IC from Austriamicrosystems is an integrated smart power management unit that includes voltage regulators, a lighting unit, step down battery charger, and housekeeping functions required for satellite radio applications.
Battery authentication improves battery security
Design How-To  
10/24/2005   Post a comment
There is a huge market for counterfeiters to supply cheap replacement batteries and peripherals. Unfortunately, many of them don't have the safety and protection circuits required by the OEM. Here are a couple battery authentication design ideas to meet your customer needs for safety and price.
Get accurate current measurements to your controller with a maximum duty cycle clamp
Design How-To  
10/21/2005   Post a comment
Regulatory agencies (EN/IEC61000-3-2) require units that draw power over 75 watts have a specified-level of harmonic content. How to achieve that is a different story. Here are two circuits to accomplish a simple and inexpensive duty cycle clamp that can be adjusted to meet the needs of the circuit.
Digital power to shake up power management market
News & Analysis  
10/21/2005   Post a comment
Databeans says there are hurdles that have prevented digital power from realizing it potential but things are changing and there is a growing opportunity for digital single chip power management solutions.
Energy measurement ICs provide complete energy meter solution
Product News  
10/21/2005   Post a comment
Microchip Technology introduces two stand-alone energy-measurement integrated circuits that output average and instantaneous real power. When paired with a PIC microcontroller, it provides a complete solution for single-phase energy measurement in residential power meters and industrial applications.
Generic inverters for backlighting serve in a pinch
Product News  
10/20/2005   Post a comment
Endicott Research Group's D series of (DC/AC) inverters used to power the cold cathode fluorescent lamps (CCFLs) that backlight a liquid crystal display (LCD) are generic off-the-shelf units that serve as a stand-in for virtually any general application.
Ultracapacitor module takes on heavy loads
Product News  
10/20/2005   Post a comment
Maxwell Technologies' new BMOD2600-48 module is a fully integrated, 48-volt multi-cell ultracapacitor module in the company's BOOSTCAP line for heavy-duty transportation, industrial energy storage, and power delivery applications. It comprises eighteen 2.7-volt MC2600 cells touted as having more capacity, delivering more power per unit volume, and lasting longer than any other commercially available ultracapacitor product. More specifically, the MC2600 cells have a power density of 10.4 kW/kg an
Analog Power ICs: probing power management
Special Report  
10/19/2005   Post a comment
Databeans new study on analog power ICs, provides readers with an in-depth analysis of the analog power management market. Forecasts for revenue, unit shipments, and ASPs are presented for regulators and battery management products.
Fuel cell market set to take off
News & Analysis  
10/19/2005   Post a comment
Fuel cell developers foresee growing market demand for micropower devices in mobile applications that could extend beyond the wireless market to include automotive uses.
Mobile PC power management chip provides the necessary four output voltages
Product News  
10/18/2005   Post a comment
STMicroelectronics delivers single-chip power management solution for notebook PCs and portable systems. It offers a dual step-down controller specifically for the four output voltages needed by notebook system power.
Bypass or decouple your way to power supply noise reduction
Design How-To  
10/17/2005   Post a comment
Going from textbook design of power supplies to the real world often ends in a frustrating hunt for glitches. Here's some help understanding the dynamics of power with a recipe to get you on your way to a clean, low-noise design.
DC/DC micromodule fits in the tightest spaces
Product News  
10/17/2005   Post a comment
Linear Technology has leveraged its expertise in power management and power conversion to bring forth a new type of DC/DC product for the company, its LTM4600. The first in the company’s μModule family, it’s billed as a high-density DC/DC power supply that can be handled like an integrated circuit.
12-V rectifier powers point-of-load systems
Product News  
10/14/2005   Post a comment
Cherokee International's CAR1212 low-profile front-end is designed for compact 12-volt distributed power architectures, including networking equipment and mid- to high-end servers. The 1U-high system, measuring 1.61-by-4-by-11.2 inches (HWD), delivers in excess of 100 amps to support 12-volt bus architectures that power point-of-load (POL) converters for low- to mid-power datacom systems.
H-P reportedly recalls laptop battery packs
News & Analysis  
10/14/2005   Post a comment
Hewlett-Packard Co. is recalling about 135,000 battery packs for some H-P and Compaq laptop computers because they reportedly overheated and melted, according to several online reports.
Power-systems software monitors remote rectifier modules
Product News  
10/14/2005   Post a comment
A web-based power systems software utilizes an intuitive graphical user interface to centralize real-time control, monitoring, and testing of individual rectifier modules, control modules, and batteries installed at multiple remote locations.
DC/DCs address low-power industrial
Product News  
10/14/2005   Post a comment
Two new DC/DC converter families from C&D Technologies address the requirements of two specific high-density, low-power industrial applications. The company's NDTS modules deliver 3 watts at up to +85°C ambient without derating. The second family, the NDX, which provides 7.5 watts, focuses on cutting EMI.
Self-learning switching DC-DC converters meet smart power
Design How-To  
10/13/2005   Post a comment
If you design high-performance, state-of-the-art applications then you need smart power supplies that are adaptive, power efficient, and reliably accurate. Easy to say but how is it done? Here's another article from the Georgia Tech Power IC Design Lab that provides you with a self-learning DC-DC converter that meets the needs of smart power.
Portable Power Developer's Conference - Call for papers
Product News  
10/12/2005   Post a comment
The 2006 Portable Power Developer's Conference will take place April 3-5 in Richardson, Texas.
Ultrawide-input POL delivers 45 watts
Product News  
10/12/2005   Post a comment
NetPower Technologies' NAS2030x10 is one of the industry's few point-of-load (POL) converters that can work from a 9-36 volt input and, with an output of up to 45 watts, lays claim to the one that delivers the highest power.
Digitally-controlled AC/DCs fine-tune the power
Product News  
10/11/2005   Post a comment
Emerson Network Power says its Astec iMP series is the first digitally-controlled AC/DC power supply of its kind. With an onboard microprocessor to facilitate programming for power management and smart communications, the series offers a range of hardware modules that will give designers the ability to tailor their medium- to high-power solutions.
Novel technique improves dithering, reduces EMI
Design How-To  
10/11/2005   Post a comment
Today's frequency dithering technique reduces the average EMI by changing it from narrowband to broadband. Here's a novel technique that when added to an active PFC pre-regulator can achieve 20 percent frequency dithering and reduce average EMI by roughly 9dBuV.
Self-powered systems -- can they eliminate the need for batteries?
Design How-To  
10/11/2005   Post a comment
Have you heard about the emerging number of new products that limit or even remove the need for batteries? Find out about piezoelectric ceramic fiber technology that provides a solution for energy harvesting, active structural control, and self-powered electronic systems. Now you can design battery free.
Get the guidelines to choose between industrial- and IT-grade UPS systems
Design How-To  
10/6/2005   Post a comment
Industrial and IT grade UPS are clearly intended for distinct back up scenarios. But what factors should you consider to help you get the best return on your investment.
Valere powers ahead with Chinese group
News & Analysis  
10/5/2005   Post a comment
Valere Power and China Wuhan Putian Group have formed a strategic partnership to extend Valere’s global footprint.
American Power Conversion Expands - buys NetBotz
News & Analysis  
10/5/2005   Post a comment
American Power Conversion expands its data center monitoring solutions with the acquisition of NetBotz, an IP-based environmental and video monitoring company.
Artesyn responds to Power-One patent suit
News & Analysis  
10/5/2005   Post a comment
Power supplier Artesyn Technologies Inc. has responded to the patent suit filed by Power-One Inc. on Sept. 30 in the U.S Court for the Eastern District of Texas, Marshall Division.
Full-brick steps up for automotives
Product News  
10/5/2005   Post a comment
The F351 family from Powerstax is a step-up, full-brick DC/DC converter that delivers up to 350 watts from a nominal 12-volt (11-17 volts) input. These single-output converters provide 12, 24, 28, 42, 48 and 56 VDC and up to 30 amps for battery back-up, automotive, industrial, and IBA applications.
VPT promotes military DC/DC system to a higher rank
Product News  
10/4/2005   Post a comment
Product Review - VPT's new High Efficiency, Reliability Optimized (HERO) Power System is the most efficient DC/DC distributed power solution available to satisfy the unique requirements of military, avionics, and space applications.
Discover the techniques, tradeoffs of power-path management for portables
Design How-To  
10/4/2005   Post a comment
There are several methods available to manage the power paths in portable applications. However, the best choice is determined by considering the system's overall complexity, thermal and power requirements, and of course, cost.
Power-One sues Artesyn for patent infringement
News & Analysis  
10/3/2005   Post a comment
Power supplier Power-One Inc. has filed a lawsuit against rival power supplier Artesyn Technologies, Inc. for allegedly infringing several patents related to power converters.
DC/DC converter takes all-digital form
Product News  
10/3/2005   Post a comment
Emerson Network Power bills its Astec DTX as the industry's first all-digital DC/DC (isolated) converter. The first offering as part of the company's Digital Power Initiative, the DTX42K48, with a footprint approximately the size of an industry-standard eighth brick and just 5 mm high, delivers up to 50 watts at 0.96 to 1.44 volts from a 36-75 volt input for OEM designers seeking the performance and flexibility of an all-digital approach (control, monitoring, and power conversion circuitry).


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