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US 12,764,841 B2Granted
Intelligent change-over control circuit for LED power supply
AssigneeHuizhou Riheng Technology Co., Ltd.
InventorJian Lu
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AssigneeHuizhou Riheng Technology Co., Ltd.
InventorJian Lu
Estimating the term…
The present disclosure discloses an intelligent change-over control circuit for an LED power supply, including a single chip microcomputer control module, a main power module, a main power switch module, a voltage control module, a current control module, a pulse width control module, at least one pulse width adjustment module and other modules. The circuit in the present disclosure is reasonable in design, can automatically recognize a voltage, a current and a power required by an LED lamp and finally output an accurate voltage and current to ensure the LED lamp can work in the more appropriate state, not only can prolong the service life, but also can avoid resource waste and save energy, and can be automatically matched with various types of LED lamps with various voltages and currents via the same LED power supply.
An intelligent change-over control circuit for a light emitting diode (LED) power supply, comprising a single chip microcomputer control module, a main power module, a main power switch module, a voltage control module, a current control module, a pulse width control module, and at least one pulse width adjustment module, wherein the single chip microcomputer control module is electrically connected with the main power switch module, the voltage control module, the current control module and the pulse width control module, respectively, the main power module is electrically connected with the main power switch module, and wherein the at least one pulse width adjustment module having a first pulse width adjustment module, a second pulse width adjustment module, and a third pulse width adjustment module electrically connected with the pulse with control module, respectively.
Dependencies are inferred from the claim text.