发明名称 DEVICE AND METHOD FOR DRIVING LEDS
摘要 In a device and method for providing electrical current to a Light Emitting diode (LED) via switch mode power converter, at least one Integrated Circuit (IC) is provided and uses a hardware description language; an electronic switch configurable to have a switching time period. An Analogue to Digital converter (ADC) is configured to obtain a digitized voltage input. A voltage comparator is configured to obtain a discharge time of an inductive element of the switch mode power converter at each time period. During operation, the IC obtains the digitized voltage input, the discharge time of the inductive element, the desired electrical current, a reference constant, and the switching time period of the electronic switch as inputs and calculates the switch-on time of the electronic switch at each switching time period, so that the switch-on time of the electronic switch regulates the electrical current flowing into the LED.
申请公布号 US2013106304(A1) 申请公布日期 2013.05.02
申请号 US201013143107 申请日期 2010.06.04
申请人 WEE KAI FOOK FRANCIS;STONA ANDREA;GROPPI LEOPOLDO;MAN KWOK WING;CHONG FOO WING;OPULENT ELECTRONICS INTERNATIONAL PTE LTD 发明人 WEE KAI FOOK FRANCIS;STONA ANDREA;GROPPI LEOPOLDO;MAN KWOK WING;CHONG FOO WING
分类号 H05B37/02 主分类号 H05B37/02
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