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Active Adapter Protects Against Transients 
Jun 1, 2005
An active-adapter integrated circuit inserted between an accessory charger and a battery-powered consumer product prevents voltage transients from damaging the product during charging....

Design Challenges in Backlighting LCD TVs 
May 1, 2005
Designers of circuits for driving cold-cathode fluorescent lamps used to backlight LCD-TV sets must understand the various architectures available and the benefits and drawbacks of each to optimize the design for cost and performance....

Battery-Charger ICs Are Tailored for Latest Applications 
May 1, 2005
As the use of rechargeable batteries grows in consumer applications, chip vendors continue to develop application-specific charging ICs. In recent years,...

Charging Li-ion Batteries for Maximum Run Times 
Apr 1, 2005
An understanding of battery-charging fundamentals and system requirements enable designers to choose a suitable linear or switch-mode charging topology and optimize battery performance in the application....

Mixed-signal ICs Build Smart Energy Meters 
Apr 1, 2005
The migration from electromechanical energy metering to solid-state energy metering is driven by demands for advanced functionality, higher accuracy and...

ICs Protect IGBTs and Sense Currents in Motor Drives 
Apr 1, 2005
In industrial and appliance motor-drive applications, high-voltage ICs can provide full IGBT protection in the inverters and sensorless measurement of motor currents at low cost....

Automatic Routine Speeds Power-Supply Calibration 
Mar 1, 2005
A software-driven calibration routine for a power-supply controller IC eliminates the timeconsuming and costly problems of manual calibration and results in more reliable, more accurate performance in the field....

New Energy Standards Banish Linear Supplies 
Mar 1, 2005
With the California Energy Commission mandating minimum levels of efficiency for external power supplies sold in the state, many linear supplies will need to be redesigned using switch-mode technology....

Hybrid ICs Drive High-Power IGBT Modules 
Mar 1, 2005
A pair of hybrid gate-driver ICs use optocoupling and isolated power supplies in compact, single inline packages to simplify the design of drive circuits for high-power IGBT modules....

Power Chips Benefit From Final-Test Trim 
Mar 1, 2005
Programming chip parameters after packaging reduces test requirements at the wafer probe stage, lowering the cost of producing power management ICs....

Continuous Tracking Challenges DC-DC Converters 
Feb 1, 2005
Typically, dc-dc converters are designed for use at a fixed output voltage. Some applications, such as dual data rate memory bus and other high-speed logic bus terminations, require the output voltage to be a fixed percentage of an external variable voltage source....

ICs Ease Adoption of Electronic Energy Metering 
Feb 1, 2005
Electronic energy meters are replacing traditional electromechanical meters in many residential, commercial and industrial applications because of the...
For a pdf version of this story, click here....

Boosting Power Supply Efficiency for Desktop Computers 
Feb 1, 2005
Adopting active PFC for harmonic-reduction while making other architectural- and component-level improvements can cost-effectively reduce losses in ATX power supplies....

IC Supports Primary-Side Power Monitoring 
Jan 1, 2005
In mission-critical applications with isolated dc-dc converters, monitoring conditions on the 48-V power bus can significantly improve system performance by detecting latent faults before they cause system outages....

Biasing the TL431 for Improved Output Impedance 
Jan 1, 2005
The TL431 is a well-known voltage reference integrated circuit used in Switch-Mode Power Supply (SMPS) feedback loops. Combining a reference voltage and...

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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
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