An Active Approach to Cooling High-Power Applications

An optimal thermal management solution for any device be it a set-top box or an LED lighting system should limit interference with the end design and...

Thin-Film Chip Resistors Challenge Traditional Thick-Film Devices

It is easy to see that the trend toward downsizing components to create more powerful devices in smaller packages is influencing the resistor market....

Selecting Die Attach Technology for High-Power Applications

High-power semiconductor applications currently represent one of the highest growth sectors of any semiconductor technology, specifically because many...

HBLED Driver Controls Up to 18 LEDs In Series

Housed in a 20-pin thermally enhanced TSSOP package, the LM3424 drives up to 18 high-brightness LEDs (HBLEDs) in series with an output current above 2...

Design Concepts: AC Adapters for Notebook Computers

The trend toward more dense and efficient quasi-resonant converters has led to the development of high-efficiency converters capable of higher switching...

Hybrid Heat Sink Technology Promises Temperature Uniformity

A proposed hybrid heat sink (patent pending) developed by the Energy for Environment and Agrometeorology research group of the University of Lleida (Spain)...

High-Rel Intelligent Power Modules Support 1,700-V, 3,600-A Apps

The design of Semikron's SKiiP4 intelligent power modules (IPM) represents the combination of constant product development and improvement, and years...

SiC and GaN Vie for Slice of the Electric Vehicle Pie

Electric vehicles (EVs) require compatible power electronic devices capable of efficient and effective operation at elevated temperatures. To meet this...

Let's Educate Analog Circuit Designers

ENGINEERS IN SCOTLAND APPEAR TO BELIEVE that analog design skills are an endangered species, evidenced by the recently launched Analog Skills Initiative...

Low RDS(ON) Power MOSFET and Schottky Diode

USING TRENCHFET Gen III silicon, the Si4628DY SkyFET from Vishay Intertechnology offers a maximum RDS(ON) of 3 m at a 10-V gate drive and 3.8 m at 4.5...

Step-down DC-DC Converter

THE LT3743 synchronous step-down dc-dc converter from Linear Technology delivers up to 20 A constant current from a nominal 12-V input, delivering in...

Low-Profile PCB Connectors

THE POWERMOD PSX pc-board power connectors are offered as 30% smaller than comparable products. The connectors fit applications where board space is at...

Power SIP Non-Isolated DC-DC Converters Up To 80A

THE POWER SIP non-isolated dc-dc converter modules from Bel Power, a division of Bel Fuse Inc., now come in 20-, 40-, 50-, 60-, and 80-A versions. Efficiency...

1/8-Brick DC-DC Converters

THE UWE-5/15-Q48N-C (15 A at 5 Vdc) and the UWE-15/5-Q12P-C (5 A at 15 Vdc) 1/8-brick, 4:1 ultra-wide-input, isolated dc-dc converters provide output...

Next-Gen Cooling Software

TOUTED AS the first major product developed in the last decade for electronics thermal analysis, the 6SigmaET electronic cooling software from Future...

8:1 DC-DC Converters

THE IQ64 family of industry-standard half-brick dc-dc converters from SynQor features an 8:1 input-voltage range of 18 to 135 V, which doubles the existing...

White LED Driver

THE LM3530 white LED driver from National Semiconductor Corp. is said to be the industry's smallest such device to offer dynamic display backlight control....

150- and 200-V MOSFETs

RATED FOR 150- and 200-V performance, the HEXFET power MOSFETs from International Rectifier are said to lower gate charge by 59% and 33%, respectively,...

Thin-Film Resistors

THE RNCP Series thin-film resistors from SEI provide high accuracy with a low standard TCR in a low-profile chip. The thin-film devices represent a low-cost...

CUI and Power-One Announce

CUI, INC., A SUBSIDIARY OF WAYTRONX, INC., has entered into a non-exclusive Field of Use agreement with Power-One, Inc. to license Power-One's digital...

OATI TO PROVIDE SMART ENERGY SOLUTIONS TO KCP&L FOR DOE PROPOSAL

OPEN ACCESS TECHNOLOGY International Inc. (OATI) will provide its webSmartEnergy distributed resource management system (DRMS) to Kansas City Power and...

Smart-Grid Micro-Site from Power Integrations

A new technical micro-site from Power Integrations, www.powerint.com/smartmeters, focuses on energy-efficient power-supply solutions for utility meters...

Power MOSFET Breaks the 1-m RDS(ON) Barrier

Power MOSFETs fill many roles in power management applications, but one of their least publicized uses is as static or load switches. These applications...

POWER electronics

COMMON-MODE NOISE REDUCTION USING PARASITIC CAPACITANCE CANCELLATION Issued October 13, 2009United States Patent 7,602,159 A negative capacitance is developed...