Method for feeding light sources and related device
AssigneeOSRAM GmbH
InventorsPaolo De Anna, Ilan D'Incà
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Abstract
In various embodiments, a method for powering light sources from a input power supply through a converter circuit is provided including a primary side and a secondary side separated by a galvanic barrier, wherein the primary side includes a power factor control block with an output capacitor. The method may include providing save circuitry on said secondary side for saving operational data of the converter upon failure of said input power supply; and powering said save circuitry during saving said operational data with energy derived from said output capacitor of said power factor control block.
Claims15
A method for powering light sources from an input power supply through a converter circuit including a primary side and a secondary side separated by a galvanic barrier, wherein the primary side includes a power factor control block with an output capacitor, the method including:
- providing save circuitry on said secondary side for saving operational data of the converter upon failure of said input power supply;
- powering said save circuitry during saving said operational data with energy derived from said output capacitor of said power factor control block.
A converter circuit to power light sources from an input power supply, the converter including a primary side and a secondary side separated by a galvanic bather, wherein:
- the primary side includes a power factor control block with an output capacitor;
- the secondary side includes save circuitry for saving operational data of the converter upon failure of said input power supply;
- connection elements are provided for powering said save circuitry during saving said operational data with energy derived from said output capacitor of said power factor control block.
Dependencies are inferred from the claim text.