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Content tagged with Power
posted in November 2005
Power IC offers configurable digital power management for PoL applications
Product News  
11/29/2005   Post a comment
Primarion launches its Di-POL family of programmable, digital integrated power conversion and power management ICs with a single-phase controller.
Chip-scale packaging comes of age for power devices
Design How-To  
11/28/2005   Post a comment
Chip-scale packaging saves precious space but as in most designs, there are trade-offs. It has been said that chip-scale packages create assembly and manufacturing difficulties. But this miniature device has finally arrived with successful implementations for a wide variety of power devices. Are they right for your designs? Find out here.
Railway supply powers signalling
Product News  
11/25/2005   Post a comment
Absopulse Electronics’ 3PFC280-24BR is a modular AC/DC power supply with power factor corrected (PFC, to 0.97) input designed to meet the stringent requirements of railway signalling, communications and train control systems.
Low-cost UPSes include automatic voltage regulation
Product News  
11/25/2005   Post a comment
Tripp Lite's AVR550U and AVR750U line-interactive uninterruptible power supplies (UPSes) include the company's automatic voltage regulation (AVR) technology at budget-conscious price points.
Tiny standalone unit charges Li-ion coin cell batteries
Product News  
11/23/2005   Post a comment
Linear Technology Corporation introduces the LTC4065L, a tiny fully integrated standalone linear battery charger that charges single coin cell Li-Ion batteries up to 250mA without overheating the device or surrounding components.
Eighth-brick adds a quarter more power
Product News  
11/22/2005   Post a comment
Ericsson's PKB4913PINB eighth-brick now offers 25 percent more power than its predecessor for 48-volt in, regulated 12-volt out intermediate bus applications.
Vicor CEO to reportedly sell up to 1 million shares
News & Analysis  
11/22/2005   Post a comment
Power components supplier Vicor Corp. chief executive Patrizio Vinciarelli plans to sell up to 1 million shares of Vicor stock over the next year, according to a online report.
Attempting clairvoyance with battery performance
Design How-To  
11/20/2005   Post a comment
Portable devices are extremely popular and getting more so. Unfortunately, advancements in circuit and system integration have outpaced energy and power density improvements in the battery. Here's how you can ensure your design squeezes the most battery life from your portable design.
Multiplier circuit measures real power in high-frequency PWMs
Design How-To  
11/20/2005   Post a comment
It's important to be able to measure average and RMS power, not just instantaneous power, in many situations. An all-analog circuit can make the measurement practical.
Lithium-ion system backs up telecom
Product News  
11/18/2005   Post a comment
Saft's Intensium 3 is a self-contained, 48-volt lithium-ion battery system for telecom power backup. The hot-pluggable unit, suited for 19-inch, 3U rack-mounted applications, has a capacity of 2.2 kW-h. The systems currently available to customers feature a volumetric energy density of 136 Wh/l, surpassing most advanced valve regulated lead-acid (VRLA) designs. They require no maintenance and are self-monitoring.
EL lamp driver boasts higher brightness
Product News  
11/18/2005   Post a comment
Touting lower noise and a patented high-voltage circuit to deliver higher brightness levels, the HV859 driver IC from Supertex delivers ±105 volts to electroluminescent lamps measuring up to 5 in2 for LCD backlighting, PDAs, mobile cellular phone keypads and other handheld wireless devices.
How far have we come?
Power DesignLine Blog  
11/17/2005   Post a comment
Have we lost sight of power management when the indications are power consumption has jumped, cooling requirements for new installations are through the roof. There's hope with the implementation of some initiatives and new designs - but is it enough?
Single-cell battery charger offers accuracy, small size
Product News  
11/17/2005   Post a comment
Microchip Technology expanded its analog power-management family with the MCP73831 battery charger. It's a fully-integrated, single-cell, Li-Ion/Li-Polymer charge-management controller with a pass transistor, current sense and reverse-discharge protection.
Compact modules simplify PFC design
Product News  
11/17/2005   Post a comment
BI Technologies' Model 7720 family of power-factor-correction (PFC) modules offers design engineers a convenient way to add boost-type power factor correction to their switching power supplies. The low-profile modules range from 500 watts to 3 kW (heatsink required). A ready-to-run evaluation board/design tool is also available to test the designs.
Power especially strong in industrial analog IC market
News & Analysis  
11/16/2005   Post a comment
In Databeans' latest report analysts look at the use of industrial analog ICs, such as ASIC/ASSP (special purpose), analog power ICs data converters, amplifiers, comparators, and interfaces.
A convenient boost-type power factor correction
Product News  
11/16/2005   Post a comment
TT electronics BI Technologies offers a series of low-profile compact PFC modules that range from 500W to 3000W. It's a convenient means of adding boost-type power factor correction to switching power supplies.
Modular power system expands to 1.2-kW
Product News  
11/15/2005   Post a comment
Expanding its line of modular power sources, Agilent Technologies is rolling out four new ultra-fast modules and two mainframes that extend to 1200-W. With these products, the company claims it's now the industry leader in the number of outputs and amount of power that can be packed into a 1U-sized rack-mountable system.
Synchronous step-down controller hits 95% efficiency
Product News  
11/14/2005   Post a comment
Intersil introduces a synchronous step-down controller with up to 95 percent efficiency. It integrates a synchronous buck pulse width modulation controller, a sourcing and sinking LDO regulator, and a 10mA reference output buffer.
Get beyond ON/OFF fan control
Design How-To  
11/14/2005   Post a comment
Today's downsized electronics have increased capabilities but at a cost of more heat. You need a thermal managagement strategy and here's how you can maximize your designs to remove heat.
Lead-acid batteries tout longer life
Product News  
11/11/2005   Post a comment
EHM’s new heavy duty, sealed lead-acid batteries have grids made from a lead-calcium alloy that enables a battery float life of 15 to 20 years. The 6-volt, 12 A-h gel batteries, which rely on what the company says is a unique low-cost gas recombination system to convert generated gas to water, are thus suited to very long-life applications, including emergency lighting, fire and security and traffic monitoring, uninterruptible power supplies, telecommunications, and power tools.
Semi-custom AC/DCs extend their range
Product News  
11/10/2005   Post a comment
The A2000 from Powerstax, a 19-inch rack mount configurable AC/DC supply family, is a semi-custom solution that provides more than 46,000 output configurations without cost overhead and extended lead times.
DC/DCs adapt to lead-free
Product News  
11/10/2005   Post a comment
Ericsson Power Modules’ latest PKR DC/DC converters, an updated version of the series introduced in November 2004 as a higher-power and more thermal-efficient alternative to the company's PKF MacroDens family, has a new open-frame design to cut cost and improve compatibility with lead-free soldering processes, to which the MacroDens' molded construction is not suited.
Paper-thin battery firm raises $30 million
News & Analysis  
11/9/2005   Post a comment
Power Paper Ltd., the Israeli group developing thin and flexible micro-power source technology and devices has nearly doubled the financial backing from venture capital groups by raising a further $30 million. The extra funds will be used for further development of and finding new applications for the paper-thin battery.
PDUs with monitoring facilitate multi-kilowatt delivery
Product News  
11/8/2005   Post a comment
HP's new Monitored PDUs (power distribution units), the HP 17.3 kVA S348 for North America and Japan, and the HP 22.1kVA S332 for international configurations, supports high-power rack-mount applications with three-phase power in and single-phase power out. A local power display on the PDU allows system designers to set up and configure the PDU and monitor RMS current, system status, and overload conditions.
Power converters deliver fast transient response, smaller footprint
News & Analysis  
11/8/2005   Post a comment
Texas Instruments' family of non-isolated, plug-in power modules provides ultra-fast transient response rates and dramatically reduce the need for output capacitors.
Wide-input half-brick answers telecom call
Product News  
11/8/2005   Post a comment
Beaverton, Ore.—V-Infinity's VHB50W, for telecom and industrial applications, meets customer demand for a low-power half-brick that works from a 4:1 input. The converters, in 10 models, deliver up to 50 watts at 3.3 to 24 volts from a 9-36 or 18-72 VDC input.
New modularBCD process technology leads to next gen power management chips
News & Analysis  
11/7/2005   Post a comment
MagnaChip Semiconductor installed the Advanced Analogic Technologies proprietary 0.35-micron multi-voltage mixed-signal ModularBCD process technology in MagnaChip's 200-mm submicron fabrication facilities in Seoul, South Korea. The ModularBCD devices are designed to manage power and extend battery life in mobile consumer electronic products.
Samsung readies long lasting fuel cells
News & Analysis  
11/7/2005   Post a comment
Samsung SDI Co. has developed a prototype fuel cell for use in laptops that it claims lasts almost twice as long as rival developments.
Power modules offer transient response rates reducing need for output caps
Product News  
11/7/2005   Post a comment
TI introduces a family of non-isolated, plug-in power modules with a new technology that provides ultra-fast transient response rates and dramatically reduces your need for output capacitors.
POL's ultrafast transient response meets digital demands
Product News  
11/7/2005   Post a comment
Product Review - Texas Instruments characterizes its latest generation PTH family of point-of-load converters (better known as POLA modules by the OEM community for the company's participation in the point-of-load alliance initiative) as a breakthrough for higher speed, more accurate, smaller sized and more economical POL-based systems for telecom, datacom, and wireless base stations.
Catch the unique power management requirements for next-generation PCI backplanes
Design How-To  
11/6/2005   Post a comment
The need for speed is all around in the electronics world but even faster IC processing isn't enough to keep up with some needs such as faster buses. Why? Because of bus capacitance, signal skew, and some unpredictable tolerances. These issues are lock-step connected with the power supply for bus transceivers. Here's what you can do to get optimal performance from your bus.
DC/DCs get down for low-power industrial apps
Product News  
11/4/2005   Post a comment
Only a third of an inch high, Wall Industries' new JF series of low-power DC/DC converters, in eight models, is suited to low-profile applications in telecom, networking, and industrial controls. These single-output converters, with a footprint of 1.1-by-0.94 inches and available in surface-mount or through-hole versions, deliver up to 15 watts at 3.3, 5, 12, or 15 VDC from an 18-36 or 36-75 VDC input.
What would happen if we used all the alternative power sources?
Power DesignLine Blog  
11/4/2005   Post a comment
Does everyone have to rely on the same fuel to power their houses, cars, computers, and tools? Will alternative fuels be the answer? The market may have something to say about this - and Propostion 80 in California.
Artesyn reports flat quarter
News & Analysis  
11/4/2005   Post a comment
Power supplier Artesyn Technologies Inc. posted third-quarter net earnings of $4.0 million, or 9 cents per share on sales of $102 million, compared with $3.6 million, or 9 cents per share on sales of $107 million in the year-ago third quarter.
PCB-mounted supplies stress safety
Product News  
11/4/2005   Post a comment
Bear Power Supplies' new BP-3 series of encapsulated pc-board mountable AC/DC modules features a mini-IEC input connector and detachable line cord for the AC power input to eliminate exposed connections while simplifying system design, testing and certification tasks.
Battery charger spec needs your input
News & Analysis  
11/2/2005   Post a comment
A new ENERGY STAR specification is currently under development for battery charging systems and your input is needed for its second draft.
EPA to attend Standby Power Conference in Korea
News & Analysis  
11/2/2005   Post a comment
The US Environmental Protection Agency will have an Energy Star representative at the international standby power conference, Global Cooperation on 1 Watt, in Seol Korea. The EPA will make strive to help harmonize power guidelines globally to reduce energy waste.
Sanyo to unveil eco-friendly NiMH battery
News & Analysis  
11/2/2005   Post a comment
Sanyo Electric Co. Ltd. will this month begin selling a rechargeable nickel-metal-hydride battery the company said is designed to be environmentally friendly while offering the user the convenience of a dry cell battery.
APEC 2006 Moves to Dallas
Product News  
11/2/2005   Post a comment
APEC the global power electronics conference and exhibit will be held March 19-23, 2006 in Dallas, Texas. The hurricane aftermath forced the move from New Orleans.


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