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基础信息

类型: 专利
申请号: P/222
状态: 已放弃
申请人: OPULENT ELECTRONICS INTERNATIONAL PTE LTD
代理机构: Lao Trademark Agency
申请日期: 2010-06-04
公开/公告日: 2025-03-21
国际分类: H02M 1/00 · H05B 37/02 · H05B 43/02
商品 / 服务: —

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提交申请 2010-06-04
形式审查 进行中
实质审查
公开 2025-03-21
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摘要

A device and method for providing electrical current to at least one Light Emitting diode (LED) via a switch mode power converter is disclosed. Particularly, the device comprises at least one Integrated Circuit (IC), the IC programmable using a hardware description language; an electronic switch configurable to have a switching time period; an Analogue to Digital converter (ADC), the ADC configured to obtain a digitized voltage input; a voltage comparator, the voltage comparator configured to obtain a discharge time of an inductive element of the switch mode power converter at each time period; wherein in operation, the at least one IC is configured to obtain 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 therein calculate 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 at least one LED.

A device and method for providing electrical current to at least one Light Emitting diode (LED) via a switch mode power converter is disclosed. Particularly, the device comprises at least one Integrated Circuit (IC), the IC programmable using a hardware description language; an electronic switch configurable to have a switching time period; an Analogue to Digital converter (ADC), the ADC configured to obtain a digitized voltage input; a voltage comparator, the voltage comparator configured to obtain a discharge time of an inductive element of the switch mode power converter at each time period; wherein in operation, the at least one IC is configured to obtain 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 therein calculate 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 at least one LED