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posted in October 2007
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A mathematical approach to designing capacitor arrays for switching converters
Design How-To  
10/31/2007   Post a comment
Understand how to size the capacitors in a switching power converter
High-brightness LED driver incorporates PWM dimming
Product News  
10/30/2007   Post a comment
National Semiconductor says it has introduced the industry's first common-anode, current-mode, high-brightness LED driver with PWM dimming.
Line-interactive UPSes back 15 servers
Product News  
10/30/2007   Post a comment
The Evolution series sets claim as the first line-interactive type with a space saving, multi-position power distribution unit for supporting multiple servers in an IT environment.
Design Tutorial: Power-supply optocoupler basics
Design How-To  
10/29/2007   Post a comment
Here's some basic information on the advantages of using an optoisolator in your power supply application.
High isolation DC/DC converters achieve 2-W output power
Product News  
10/29/2007   Post a comment
MicroPower Direct's D200EI series of miniature 2W, UL approved DC/DC converters are designed for board-level power applications.
Sun-led 'eco consortium' tackles India's infrastructure
Product News  
10/29/2007   Post a comment
Sun Microsystems has formed an "eco consortium" with Hitachi Data, APC-MGE, AMD and India's Wipro Infotech to help Indian businesses cope with India's infrastructure problems and "green" their businesses.
LED backlight module saves energy
Product News  
10/29/2007   Post a comment
Delta Electronics has developed an energy-saving LED backlight module (BLM), which allows LEDs to achieve maximum homogeneous illumination.
Power-over-Ethernet adapter provides 80-W from a single port
Product News  
10/29/2007   Post a comment
Phihong's high-power, single-port adapter provides up to 80W of power on a single Ethernet port, making it suitable for powering satellite receivers, video conferencing systems, access points, LCD displays, security cameras, kiosks and computer workstations.
Wacker, Schott break ground for solar wafer production
News & Analysis  
10/29/2007   Post a comment
Wacker Schott Solar GmbH has broken ground for a wafer production site in Jena, Germany. The company has earmarked a production capacity of 100 Megawatts by end of 2008 – and to increase it tenfold until 2012.
Taming the Boost: Predicting and measuring feedback loops in current-mode boost high-brightness LED drivers, Part 2 of 2
Design How-To  
10/29/2007   Post a comment
High-brightness LEDs have unique drive needs; understand them for a successful, reliable, efficient design
Look to the kids for solar, green solutions
Power DesignLine Blog  
10/28/2007   Post a comment
High school and college students can make significant contributions to solar, green, and alternative power technologies through local programs and the Solar Decathlon Competition.
Taming the Boost: Predicting and measuring feedback loops in current-mode boost high-brightness LED drivers, Part 1 of 2
Design How-To  
10/26/2007   Post a comment
High-brightness LEDs have unique drive needs; understand them for a successful, reliable, efficient design
Dialog Semi heads for future markets
News & Analysis  
10/26/2007   Post a comment
After the fall-out of the BenQ Mobile insolvency has been cleared, Dialog Semiconductor (Kirchheim, Germany) returns to strategic mode. In an interview with EE Times Europe, Dialog CEO Jalal Bagherli explained which targets he is heading for.
Zero recovery rectifier boosts power supply efficiency
Product News  
10/25/2007   Post a comment
Cree, Inc. has released an 8-amp, Zero Recovery rectifier that is said to significantly increase power-supply efficiency in computer servers.
The PoEP standard and how to get the most from it
Design How-To  
10/23/2007   Post a comment
Here's an overview of the developing Power-over-Ethernet Plus spec and how to maximize the advantages of PoEP by properly evaluating your DC/DC converter design.
Integrated LDO controller targets automotive apps
Product News  
10/23/2007   Post a comment
Linear Technology has introduced the LT3500, a 2-A, 36-V step-down switching regulator and a linear controller in a 3 x 3-mm DFN package.
Freescale adds two SMARTMOS devices to high-side switch portfolio
Product News  
10/23/2007   Post a comment
Freescale Semiconductor has designed its MC33580 and MC33874 quad-channel high-side switches to reduce the cost and complexity of low-voltage automotive, industrial lighting and motor control applications.
ENIAC targets energy savings
News & Analysis  
10/23/2007   Post a comment
The European Nanoelectronics Initiative Advisory Council (ENIAC) has named increased energy efficiency of electronic equipment as a major research target. Up to 30 percent of the world's electrical energy consumption could be saved by using intelligent energy management functions, believes ENIAC Chairman Wolfgang Ziebart.
High-brightness LED drivers power 1-5 watt applications
Product News  
10/23/2007   Post a comment
New PowerWise chips tout constant-current, low-feedback design
WEBENCH ships LED/driver prototypes in one day
News & Analysis  
10/23/2007   Post a comment
Online tool cuts the design process from days to minutes
DC-to-AC converter reduces audible noise in EL lamp apps
Product News  
10/23/2007   Post a comment
Maxim Integrated Products has introduced a high-voltage, +/-15 kV ESD-protected, DC-to-AC converter designed for driving electroluminescent (EL) lamps.
Catalyst targets portables with dual 300mA low dropout (LDO) regulator
Product News  
10/22/2007   Post a comment
Catalyst Semiconductor rolled out its newest low dropout (LDO) regulator--the CAT6221 300mA, dual-output LDO.
Lithium battery has longer life, says startup Planar
Product News  
10/22/2007   Post a comment
Startup Planar Energy Devices has secured $4 million in venture financing from Battelle Ventures and affiliate fund Innovation Valley Partners.
Power MOSFETs feature high drain current, low on-state resistance
Product News  
10/22/2007   Post a comment
Toshiba has added two devices to its UMOS V-H Series high-speed switching MOSFETs that feature higher drain current and lower on-state resistance to improve power efficiency in synchronous DC/DC converters.
CCFL controllers achieve 300:1 dimming ratio
Design How-To  
10/20/2007   Post a comment
Cold-cathode fluorescent lamps are used to backlight liquid crystal displays in industrial systems, which often require a wide dimming ratio.
High-voltage LED driver integrates 3A power MOSFET
Product News  
10/19/2007   Post a comment
First in Power Analog Microelectronics' high-voltage series of LED drivers, the PAM2846 is capable of driving up to 6-strings of LEDs and delivering up to 7W of output power.
Measuring battery current with precision
Design How-To  
10/19/2007   Post a comment
Practical design tips on how to build the best analog front-end for accurately monitoring your battery-backup system.
Fast-recovery diodes increase power supply efficiency
Product News  
10/18/2007   Post a comment
Fairchild Semiconductor introduces seven STEALTH II fast-recovery diodes that increase power supply efficiency, reduce EMI and save board space.
LED-driver level-shifter includes fault detection
Design How-To  
10/18/2007   Post a comment
Overcome the drawback of loss of fault detection in LED-string drive
DS2 readies 400 Mbit/s powerline chip
News & Analysis  
10/18/2007   Post a comment
DS2, the Spanish powerline chip specialist, will start demonstrating next month a device said to double the peak data rate of broadband over powerline equipment and networks to 400 Mbits/second.
Eighth-brick DC/DC converters target industrial apps
Product News  
10/17/2007   Post a comment
SynQor has released a new range of isolated DC/DC converters targeting the industrial market as part of the ongoing expansion of its InQor product range.
Power relays switch up to 200 A at 400 Vdc
Product News  
10/17/2007   Post a comment
Omron Electronic Components has introduced the G9E series of DC power relays that switch up to 200 A at 400 Vdc.
Dual-channel synchronous converter extends battery run-time
Product News  
10/17/2007   Post a comment
Linear Technology is offering the LTC3520, a dual channel, 2-MHz synchronous DC/DC converter designed to extend battery run-time in handheld applications.
Power systems deliver high efficiency, high density
Product News  
10/16/2007   Post a comment
ColdWatt has expanded its digital power conversion portfolio with the introduction of a 1625-W power supply and a 750-W power sub-system aimed at blade and high-end server architectures, and rack-optimized servers.
8-A DC/DC converter delivers complete regulator system
Product News  
10/15/2007   Post a comment
Linear Technology Corp. has introduced the LTM4608, a complete 8-amp DC/DC uModule regulator system with on-board DC/DC controller, power switches, inductor compensation and input/output bypass capacitors.
All charged up
Automotive DesignLine Blog  
10/15/2007   1 comment
Engineers are nailing down the technology needed for Chevy's Volt--just don't call it a hybrid.
Toshiba opens 200-mm power IC fab
News & Analysis  
10/15/2007   Post a comment
Toshiba Corp. and Kaga Toshiba Electronics Corp. have marked the official opening of a new 200-mm power semiconductor fab.
Step-down devices up efficiency
News & Analysis  
10/15/2007   Post a comment
More often than not, power efficiency drives the market success or failure of today's consumer electronics products. By dictating the length of a device's operating life between charges, power efficiency plays a pivotal role in users' perceptions of a product's quality.
Wolfson powers ahead with AudioPlus strategy
Product News  
10/15/2007   Post a comment
Wolfson Microelectronics has started sampling the first device in a planned family of power management products that are part of the Edinburgh, Scotland-based company's AudioPlus strategy.
Optimizing power consumption in the mobile multimedia delivery chain - Part II
Design How-To  
10/13/2007   Post a comment
A comprehensive analysis of the power management challenges facing the designer of a mobile multimedia product, and good advice on solving the problems
DC/DC converters deliver ultra-wide input range
Product News  
10/12/2007   Post a comment
XP Power has released its JTH15 series of 15-watt DC/DC converters aimed at low power, board-mounted designs.
IMEC researchers bring solar cell efficiency to 20 percent
Product News  
10/12/2007   Post a comment
The Belgian research center IMEC has developed a thin-wafer silicon solar cell manufacturing process that yields an efficiency of 17.4 percent. This is not the limit, the researchers say. 20 percent efficiency should be within reach.
High-current LDOs serve advanced FPGAs, logic cores
Product News  
10/11/2007   Post a comment
The MPC1725, MCP1825, and MCP1826 high-current LDOs add flexibility for applications using newer FPGAs, ASICs, and logic cores
Dual-voltage level LDO eases programming of eFUSE and SIM cards
Product News  
10/11/2007   Post a comment
TI introduces a dual-level 200-mA low-dropout (LDO) linear regulator with simple dynamic voltage scaling in a tiny, five-ball chip-scale package.
ULDO regulators support low- to medium-power apps
Product News  
10/11/2007   Post a comment
Diodes Inc. has released its first ultra-low dropout (ULDO) regulators. The AP7165 and AP7167 devices target servers, notebook computers, network cards, FPGA/DSP power, and other portable or battery-powered electronic devices
Energy-saving MOSFETs target mobile applications
Product News  
10/11/2007   Post a comment
Infineon Technologies has introduced the OptiMOS 3 M 30-V power MOSFET family that is optimized for use in DC/DC converter applications for mobile devices.
720-W power factor correction module features low profile
Product News  
10/11/2007   Post a comment
Aimed at space-constrained applications, Emerson Network Power has developed a 720-W power factor correction module that has a 2.4 x 3.5 inch footprint and a mounting height of 0.55-in.
Power MOSFETs deliver lowest on-resistance
Product News  
10/10/2007   Post a comment
Vishay claims its new family of p-channel MOSFETs sets a new record for lowest on-resistance per unit. Built on a new generation TrenchFET silicon technology, the devices offer maximum on-resistance ratings of 29 milliohms in the PowerPAK SC-70 package.
Switching regulators drive high-brightness LEDs
Product News  
10/10/2007   Post a comment
On Semiconductor says that its latest switching regulator reduces power dissipation in the sense resistor by 80 percent compared with competitive parts and delivers 2 percent better total system efficiency.
EC promotes fuel cells, hydrogen technologies
News & Analysis  
10/10/2007   Post a comment
The European Commission has adopted two proposals on fuel cells and hydrogen technologies that intend to offer long-term solutions for sustainable energy and transport systems.
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