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1. 发明申请

WO2013096456A1 METHOD AND APPARATUS FOR CURRENT CONTROL WITH LED DRIVER 审中-公开
标题翻译： LED驱动器电流控制方法与装置
公开(公告)号：WO2013096456A1
公开(公告)日：2013-06-27
申请号：PCT/US2012/070633
申请日：2012-12-19
申请人： MARVELL WORLD TRADE, LTD. , SUTARDJA, Pantas , OH, InHwan , ZHANG, Wanfeng
发明人： SUTARDJA, Pantas , OH, InHwan , ZHANG, Wanfeng
IPC分类号： H05B33/08
CPC分类号： H05B33/0809
摘要： Aspects of the disclosure provide a circuit that includes a detection circuit and a controller. The detection circuit is configured to detect a starting of a conduction in a power supply provided via an electronic transformer. The controller is configured to control a current regulating circuit to pull a current from the electronic transformer at a pre-determined level enough for triggering the triac dimmer during a time duration following the starting of the conduction, and pull the current at a reduced level according to a predetermined profile after the time duration.
摘要翻译：本公开的方面提供了包括检测电路和控制器的电路。检测电路被配置为检测经由电子变压器提供的电源中的导通开始。该控制器被配置为控制电流调节电路，以便在电流变换器的电流以足够的预定水平拉动电流，以便在导通开始之后的持续时间期间触发三端双向可控硅调光器，并且根据在时间段之后到预定的轮廓。

2. 发明申请

WO2013028406A1 METHOD AND APPARATUS FOR LED LIGHTING 审中-公开
标题翻译： LED照明的方法和装置
公开(公告)号：WO2013028406A1
公开(公告)日：2013-02-28
申请号：PCT/US2012/050739
申请日：2012-08-14
申请人： MARVELL WORLD TRADE, LTD. , ZHANG, Wanfeng , OH, InHwan
发明人： ZHANG, Wanfeng , OH, InHwan
IPC分类号： H05B33/08
CPC分类号： H05B33/0815
摘要： Aspects of the disclosure provide a circuit. The circuit includes a first switch, a second switch and a controller. The first switch is switched on and off to allow a boost circuit to transfer electric energy from an input power supply to a capacitor to generate an intermediate power supply having a higher voltage than the input power supply. The second switch is switched on and off to allow a buck circuit to provide a driving voltage based on the intermediate power supply to drive a load device, and to regulate a current to the load device. The controller is configured to provide a first signal to the first switch and a second signal to the second switch to switch on and off the first switch and the second switch.
摘要翻译：本公开的方面提供电路。电路包括第一开关，第二开关和控制器。第一开关被接通和关断以允许升压电路将电能从输入电源传送到电容器以产生具有比输入电源更高的电压的中间电源。第二开关被接通和关断以允许降压电路基于中间电源提供驱动电压以驱动负载装置，并调节到负载装置的电流。控制器被配置为向第一开关提供第一信号，并将第二信号提供给第二开关以接通和断开第一开关和第二开关。

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