LED drive circuit with a programmable input for LED lighting

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United States of America Patent

PATENT NO 9049764
SERIAL NO

14261613

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Abstract

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A LED drive circuit according to the present invention comprises a controller and a programmable signal. The controller generates a switching signal coupled to switch a magnetic device for generating an output current to drive a plurality of LEDs. The programmable signal is coupled to regulate a current-control signal of the controller. The switching signal is modulated in response to the current-control signal for regulating the output current, and the level of the output current is correlated to the current-control signal.

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Patent Owner(s)

  • SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Huang, Kuo-Hsien Taipei County, TW 19 127
Lee, Ming-Chieh Pingtung County, TW 151 5456
Li, Chuh-Ching Taoyuan County, TW 28 595
Yang, Ta-Yung Milpitas, US 388 5796

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