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A Simple Latching Watchdog Timer 
Apr 1, 2007
Most watchdog-timer ICs produce a single limited-duration output pulse when the watchdog timeout expires. Some applications, however, require the output to latch. This simple circuit provides a latched failure indication in response to a loss of the input pulse stream....

Voltage Regulators Rev Up PWM-Based Fan Control 
Nov 1, 2006
The simplest of fan-control schemes an on-off switch is simple but inefficient, because it provides more cooling than necessary most of the time. When...

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....

Motor Technology Upgrades Cooling Fans 
Aug 1, 2006
A novel motor design and driver IC reduce Hall sensor requirements, enabling use of high-efficiency 3-phase brushless dc fans in laptops and other low-cost products....

Designing Battery Packs for Thermal Extremes 
Jul 1, 2006
While battery packs enable individual cell capacities to be scaled in series/parallel configurations to suit portable applications, they must also provide thermal management in extreme environments....

Why Is My DC-DC Converter Too Hot? 
Jun 1, 2006
The bulleted items on the front page of a dc-dc power module's data sheet often highlight electrical performance that the product cannot actually deliver...

Data Points 
May 1, 2006
Microsite Turns Spotlight on Digital Power For engineers interested in the emerging area of digital power-supply design, a new microsite offers a unique...

Closed-Loop Control Benefits AC Motors 
Jun 1, 2005
Feedback control methods implemented using low-cost microprocessors enable significant gains for single-phase ac motor speed controls....

Package Development Goes with the (Air) Flow 
Nov 1, 2004
With the pace of improvements in silicon slowing, power MOSFET manufacturers continue to focus their attention on device packaging. Engineers attending...

Cooling Trends Direct Efficient Thermal Design 
Jun 1, 2002
Cooling solutions such as heatsinks, fans, heat spreaders, and thermal gap fillers help keep temperatures within the specified limits, ensuring efficient operation of power electronics systems....

Cooling Trends: Power Electronic Systems Rely on Thermal Management 
Feb 1, 2001
New innovative and exotic components provide thermal solutions....

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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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