A Vicor Custom Power Supply
is the Cure for an Industrial LED Application
Light-emitting diodes (LED), an electronic light source, were invented in Russia more than 80 years ago. All early devices emitted low-intensity red light, but modern LEDs are available across the visible, ultraviolet, and infrared wavelengths, with very high brightness. In recent years, LEDs have been appearing with increasing frequency as low-energy indicators but also for replacements for traditional light sources in general lighting. Applications of LEDs, however, are diverse. Their compact size has allowed new text and video displays and sensors to be developed, while their high switching rates are useful in communications technology. Infrared LEDs are often used in remote controls for TVs and VCRs. Grow lights use LEDs. Ultraviolet (UV) LEDs are used for sterilization.
UV LEDs are even used as curing devices for some ink and coating applications. A Vicor custom power supply, in fact, is used to power UV curing lamps for industrial applications. The largest part of the industrial market is in printing, and almost all use UV mercury lamps now. LED technology is poised to replace UV mercury lamps with this cleaner, cheaper, lower power, and more environmentally friendly alternative.
LEDs require a constant current for proper operation. The Vicor custom power solution employed VI-BRICK PRMs, which are very efficient non-isolated regulators, to provide a highly regulated distribution voltage for powering downstream VI BRICK VTMs. In addition to the cost-effective solution, the compact form factor offered by the Vicor power solution is a key advantage for us.
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