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US 2019/0159305 A1Published application
Led driving circuit and driving method thereof
AssigneeShaanxi Reactor Microelectronics Co., Ltd
InventorsSHIHONG YANG, HU WANG
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AssigneeShaanxi Reactor Microelectronics Co., Ltd
InventorsSHIHONG YANG, HU WANG
Estimating the term…
An LED driving circuit and a driving method thereof. The LED driving circuit comprises a rectifying circuit (40), a filter circuit (20), a current limiting circuit (10), a detection and control circuit (30), and an LED lamp string. The rectifying circuit is connected to an alternating-current power supply, and the negative electrode of the rectifying circuit is connected to the second end of the filter circuit and the second end of the detection and control circuit; the input end of the current limiting circuit is connected to the positive electrode of the rectifying circuit, the first output end of the current limiting circuit is connected to the positive electrode of the LED lamp string and the input end of the filter circuit, and the second output end of the current limiting circuit is connected to the third end of the detection and control circuit.
A Light Emitting Diode (LED) driving circuit, comprising a rectifying circuit (40), a filter circuit (20), a current-limiting circuit (10), a detection and control circuit (30) and an LED lamp string, wherein, the rectifying circuit (40) is connected with an alternating-current power source, a negative pole of the rectifying circuit (40) is connected with a second end of the filter circuit (20) and a second end of the detection and control circuit (30);
Dependencies are inferred from the claim text.