Configurable LED driver/dimmer for solid state lighting applications
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United States of America Patent
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Jun 2, 2015
Grant Date -
Nov 14, 2013
app pub date -
Jul 15, 2013
filing date -
Sep 18, 2008
priority date (Note) -
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Abstract
A configurable light emitting diode (LED) driver for powering a set of light fixture loads comprising a power circuit which includes an inrush current limit and a DC/DC convertor, a power factor correction (PFC) boost connected to the inrush current limit and the DC/DC converter, a regulated output voltage bus connected to the DC/DC converter, and a primary digital controller for controlling the power circuit. The driver further includes a set of output current drivers, each of the set of output current drivers connected to one of the set of light fixture loads for powering the associated light fixture load. The driver also includes an apparatus for configuring the set of output current drivers to an output current set point and at least one power limit connected to the regulated output voltage bus.
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