Transcription of AN1279 - Offline UPS Reference Design Using the dsPIC DSC
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2009-2011 Microchip Technology 1AN1279 UPS OVERVIEWAn Uninterruptible Power Supply, or UPS, is anelectronic device that provides an alternative electricpower supply to connected electronic equipment whenthe primary power source is not auxiliary power, a UPS can provide instantpower to connected equipment, which can protectsensitive electronic devices by allowing them to shutdown properly and preventing extensive physicaldamage. However, a UPS can only supply energy for alimited amount of time, typically 15 to 20 its use can extend to a virtually unlimited listof applications, in past years the UPS has becomeeven more popular as a means of protecting computersand telecommunication equipment, thus preventingserious hardware damage and data Markets for UPS SystemsUPS systems provide for a large number of applica-tions in a variety of industries.
AN1279 DS01279B-page 4 © 2009-2011 Microchip Technology Inc. Listing of I/O Signals for Each Block, Type of Signal, and Expected Signal Levels
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