Systems, methods, and devices for providing drive electronics with a backup power supply for an LED luminaire
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United States of America Patent
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Feb 23, 2016
Grant Date -
N/A
app pub date -
Aug 1, 2012
filing date -
Aug 2, 2011
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Abstract
Systems and methods for providing a combination power supply module containing the main drive electronics and backup drive electronics along with a backup power supply for a light emitting diode (LED) based luminaire are described herein. The power supply module may include a main LED driver that is electrically connected to a main power supply through active power factor correction circuitry and is also electrically connected to an LED or array of LEDs. The power supply module further includes power management circuitry electrically connected to a backup power supply and an emergency LED driver, where the power management circuitry discharges the backup power supply to supply power to the emergency LED driver for powering at least a subset of the LEDs when power is no longer being supplied to the main LED driver. The main LED driver and the emergency LED driver are contained in the same module housing.
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