Dimming Techniques for Switch-Mode LED Drivers

Many LED approaches exist. Described here are several techniques used to provide dimming control to DC-DC switch-mode LED drivers...

Conforming with Worldwide Safety and EMC/EMI Standards

Planning to sell your mains-powered product around the world?...

Single-Stage Isolated Bridgeless PFC Converter Achieves Over 98% Efficiency, 0.999 Power Factor

A Single-stage Isolated Bridgeless PFC Converter (patents pending) has a single isolation transformer, three switches, and 98% efficiency compared to four magnetic pieces, 14 switches, and 89% efficiency of the conventional Three-stage approach...

Second Generation CoolMOS Improves on Previous Generation's Characteristics

A second generation MOSFET improves on the first generation devices and reduces specific resistance by a factor of five compared with 600V conventional MOSFETs...

Multiple Metrics Define Performance in Super-Junction MOSFET Selection

Application differentiation and market needs will likely see a wide range of power MOSFET offerings in varied cost and performance available, addressing different system needs and customer budgets...

Selecting n-channel MOSFETs for High-Side Hot-Swap Control

Most hot-swap-control integrated circuits are sophisticated and capable; they relieve the board-level engineer of a great deal of work that used to be associated with designing reliable and robust systems...

Charting the Future in Switching Power Converters

I MET DR. SLOBODAN CUK many years ago at the Power Systems World conference sponsored by PCIM (Power Conversion and Intelligent Motion) magazine, now...

Nextreme Awarded Patent for High-Temperature Solar Thermoelectric Power Generator

NEXTREME THERMAL SOLUTIONS announced that it has been awarded a United States patent for the design of an innovative solar thermoelectric generator (solar...

Cisco and Itron Join Forces to Deliver Next-Generation Smart Grid Platform

ITRON INC. AND CISCO announced a strategic alliance that will advance the transformation of the world's energy infrastructure. Together, the two will...

Patents

HEAT SINK AND COOLING AND PACKAGING STACK FOR PRESS-PACKAGES Issued October 19, 2010 United States Patent 7,817,422 A heat sink for directly cooling at...

New products

Brushed DC Motors in Industrial Versions Maxon Motor is expanding its existing range of industrial type versions with the addition of two new motor sizes...