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Uninterruptible Power Supplies

Digital Diet Slims Your Power Designs 
Jul 31, 2007
During the last 40 years, Moore’s Law has been the main driver for the power-supply industry. In 1965, Intel co-founder Gordon Moore noted that the power consumption of a chip doubles every 24 months. ...

Part Two: The Electric Grid—Now and in the Future 
Jun 18, 2007
Guest columnist Lou Pechi considers the possible impact of recent trends on the electrical grid and speculates as to where the grid may be headed in the future....

Part One: The Electric Grid—Now and in the Future 
May 17, 2007
Think about the pervasiveness of the global electrical network. It is a truly remarkable achievement. Like a gigantic octopus it envelops the whole earth and through its uncountable number of tentacles delivers, just in the United States, over 4 trillion KWh of electricity per year....

Data Points 
Jun 1, 2006
PoE Controller Integrates PD Designs Silicon Laboratories' Si3400 is described as the industry's most highly integrated, IEEE-802.3af-compliant, power...

New Products 
Jun 1, 2006
Web-Based Simulator Microchip Technology's Mindi is a web-based simulation tool that aids in the design of several circuits useful for power-management...

Notebook Adapters Face Efficiency Challenge 
Apr 1, 2006
When the considerations of end users, OEMs and power-supply vendors converge on the design of notebook adapters, the resulting solutions benefit each group....

Data Points 
Nov 1, 2005
Battery Technology Will Dominate Portable Power for Next Decade According to a report from NanoMarkets, battery technology particularly Li-ion and Li-polymer...

Measure Battery Capacity Precisely in Medical Design 
Jan 1, 2005
By accounting for changes in battery impedance over time, a new gas gauging technology ensures precise measurement of battery capacity—even in aging battery packs....

Selecting the Right UPS for the Job 
Sep 1, 2003
While uninterruptible power supply topologies may differ in price and performance, the key to successful power protection is choosing the UPS that is right for your needs....

Power System Integration Part 3: DC UPS 
Dec 1, 2001
This month, we'll continue our discussion on power system integration, emphasizing the advantages the dc UPS has over its ac UPS counterpart....

Power Supply System Integration Part 2: Battery Backup 
Nov 1, 2001
Battery-based standby online UPSs protect against power outages....

New Technology Enables Paralleled UPS Modules 
Jul 1, 2001
Inductor dc resistance is utilized in a current sensing scheme....

DSP Controls 48V Supply with Battery Backup and PFC 
Feb 1, 2001
Active current shaping using flyback ac-to-dc converter provides power factor control and dc voltage regulation.Distributed power supplies will be the...

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Power-One Wins Permanent Injunction Against Artesyn

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12-A POLs are DOSA Compliant

Company Will Supply Components For 3-MW Wind Turbines

 
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Topic Index

Discrete Semis
Bipolar Transistors
IGBTs
Power Modules
Power MOSFETs
Rectifiers/Diodes
Thyristors

Power Management
Digital Power Control
High-Voltage Devices
LED Drivers
Lighting Power Management
Motor Power Management
Power ICs
PWM Controllers
Regulator ICs

Portable Power Management
Batteries
Battery Charger ICs
Fuel Gauges Controllers and Regulators
Micro Fuel Cells

Passives/Packaging
Capacitors
Circuit Protection Devices
Connectors
Magnetics
Packaging
Printed Circuit Boards
Resistors
Sensors & Transducers
Switches & Electromagnetic Relays

Topic Pages
Wind Power
Flyback Transformers

Thermal Management
Fans
Heatpipes & Spreaders
Heatsinks
Liquid Cooling
Thermal Interface Materials
Thermal Management Simulation

Power Systems
DC-DC Converters
Distributed Power Architectures
EMI & EMC
Linear Power Supplies
Safety/Environmental Approvals
Simulation/Modeling
Switch-Mode Power Supplies
Test & Measurement Uninterruptible Power Supplies

Digital Power
Commentaries
Digital Power News
Digital Power Products
Design Features


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