Digital Bus Makes Current Sharing More Robust
Nov 1, 2006
Power supplies in servers, storage and telecom systems often employ redundant topologies. This means that multiple supplies connected in parallel provide...
New Possibilities on the Horizon for Digital Control
Nov 1, 2006
In the past, when semiconductor and power-supply companies discussed the motivations for putting digital control in the loop, power management requirements...
Explore the Lesser-Known Benefits of Digital Power
Nov 1, 2006
Although the use of digital control eases implementation of the basic power management
requirements, it also affords numerous secondary benefits that can make POL power designs more compact, flexible and efficient....
Keeping Parts Cost Down in Mobile CPU Power Supplies
Oct 1, 2006
New multiphase buck controllers with high-speed feedback loops limit requirements for external capacitance, permitting smaller, less expensive design than older controllers....
Optimizing Power Designs for Digital Light Projectors
Oct 1, 2006
High-intensity discharge or LED requirements, power factor corrertion and energy efficiency all shape power-supply design in projection systems....
Data Centers Will Test Digital Power's Mettle
Oct 1, 2006
As digital power technology continues to develop, the industry continues to debate and discuss how, why and where the technology will have its greatest impact....
Product of the Year: Texas Instruments' TPS40140 Synchronous PWM Controller
Oct 1, 2006
This year's Power Electronics Technology Product of the Year award winner is an analog controller that simplifies the potentially complex task of paralleling voltage sources to create a scalable POL power designs....
IBCs Power Advanced Telecom Systems
Jun 1, 2006
Most major telecom companies now regard Advanced Telecom Computing Architecture (AdvancedTCA) as the way of the future. Based on an open-standard architecture,...
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...
New Products
May 1, 2006
PWM Controller The IR3624 from International Rectifier is a 600-kHz single-phase synchronous buck PWM controller IC designed for high-density, 10-A nonisolated...
Commercial Instruments Measure True AC Power
Mar 1, 2006
In 1776, Scottish economist Adam Smith introduced the concept of division of labor and specialization, concluding that it is in the economic interest...
A Tracking Negative Voltage Made Easy
Feb 1, 2006
A simple circuit added to any synchronous-buck
converter generates a tracking negative output
that achieves good voltage regulation, low cost,
small area and high effi ciency....
PMBus Offers Open-Standard Digital Power Management
Sep 1, 2005
This highly flexible, power-management protocol
defines the transport and physical interface,
as well as the command language required for
communicating with power converters....
Democratic Current Sharing Aids Redundancy
Mar 1, 2005
Redundant power-conversion designs using multiple converters often require current sharing to both distribute the losses and maintain voltage regulation...
Passive Current Sharing Boosts Power and Reliability
Jan 1, 2005
Passive current sharing is a method of paralleling the outputs of two or more power supplies or dc-dc converters so that they share the load near equally....
