Technical Features

May 2010

Click image to enlarge

Figure 1: PSE (board in the picture below) and PD (board in the picture above) of the Reference Design RD041 during start-up

Electromagnetic Compatibility

Adrian Stirn / Editor: Gerhard Stelzer, Würth Elektronik eiSos

With just one twisted pair of wires, Single-Pair Ethernet is a convincingly lean solution. This cabling becomes even more efficient if it is also used for power supply in addition to data transmission - this is referred to as "Single-Pair with Power-over-Ethernet" (SPoE). What about electromagnetic compatibili

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Date:

09/30/2025

LED Lighting Variants

Andreas Biss, New Business Development, Sharp Microelectronics Europe, Hamburg

A power-saving, environmentally friendly, long-life, compact and (above all) cost-effective light source - LEDs have created an entirely new generation of lamps. According to the International

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Date:

05/01/2010

Inductors for Illumination

Len Crane, Director - Technical Marketing, Coilcraft

A wide variety of driver circuits is needed to support new LED applications and the demands for high performance are challenging designers to be as creative as possible with new circuit techniques.

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Date:

05/01/2010

Power Factor Perfection

Joël Turchi, ON Semiconductor, Toulouse, France

Most modern power supplies are required to contain the harmonic content of the current they absorb from the line. Practically, regulations request the line current to be nearly sinusoidal and in

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Date:

05/01/2010

LED Lighting Circuit Protection Strategies

Faraz Hasan, Global Marketing & Business Development Manager, Appliance/Industrial/Lighting, Circuit Protection Business Unit, Tyco Electronics

As government agencies, industry and consumers look for ways to reduce energy costs, light-emitting diode (LED) lighting technology is expected to boom. LED technology has advanced rapidly, with

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Date:

05/01/2010