FIELD: lighting.
SUBSTANCE: invention relates to control over solid-state lighting devices. Result is achieved due to programmable control device for control of solid-state lighting device includes processing circuit, feedback by voltage circuit and power stage. Processing circuit is configured to determine reference voltage signal based on specified value of rated current and preset power limit. Voltage feedback circuit is configured to receive reference voltage signal and determine difference between reference voltage, said signal of reference voltage, and control voltage of solid-state lighting device. Power stage is configured to limit maximum output voltage for control of solid-state lighting device, at least partially, based on certain difference between reference voltage and control voltage of solid-state lighting device provided by voltage feedback circuit.
EFFECT: control of solid-state lighting device, wherein control device maximum voltage output can be changed in response to support current and preset power limit.
15 cl, 6 dwg
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Authors
Dates
2016-08-27—Published
2012-08-30—Filed