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公开(公告)号:US09215769B2
公开(公告)日:2015-12-15
申请号:US13357825
申请日:2012-01-25
申请人: Frank Ren , Naixing Kuang , Bairen Liu , Licheng Sheng
发明人: Frank Ren , Naixing Kuang , Bairen Liu , Licheng Sheng
CPC分类号: H05B33/0818 , H05B33/0887
摘要: The embodiments of the present circuit and method disclose a light-emitting diode (LED) driver system. The LED driver system may comprise an isolated converter and a DC/DC converter. The isolated converter may be coupled to a first input signal, and may provide a LED current and a bus voltage. The isolated converter may be configured to regulate the LED current and the bus voltage separately in accordance with a dimming signal. The DC/DC converter may comprise an input coupled to the bus voltage.
摘要翻译: 本发明的电路和方法的实施例公开了一种发光二极管(LED)驱动器系统。 LED驱动器系统可以包括隔离转换器和DC / DC转换器。 隔离转换器可以耦合到第一输入信号,并且可以提供LED电流和总线电压。 隔离转换器可以被配置为根据调光信号分别调节LED电流和总线电压。 DC / DC转换器可以包括耦合到总线电压的输入。
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公开(公告)号:US20120194078A1
公开(公告)日:2012-08-02
申请号:US13357825
申请日:2012-01-25
申请人: Frank Ren , Naixing Kuang , Bairen Liu , Licheng Sheng
发明人: Frank Ren , Naixing Kuang , Bairen Liu , Licheng Sheng
IPC分类号: H05B37/02
CPC分类号: H05B33/0818 , H05B33/0887
摘要: The embodiments of the present circuit and method disclose a light-emitting diode (LED) driver system. The LED driver system may comprise an isolated converter and a DC/DC converter. The isolated converter may be coupled to a first input signal, and may provide a LED current and a bus voltage. The isolated converter may be configured to regulate the LED current and the bus voltage separately in accordance with a dimming signal. The DC/DC converter may comprise an input coupled to the bus voltage.
摘要翻译: 本发明的电路和方法的实施例公开了一种发光二极管(LED)驱动器系统。 LED驱动器系统可以包括隔离转换器和DC / DC转换器。 隔离转换器可以耦合到第一输入信号,并且可以提供LED电流和总线电压。 隔离转换器可以被配置为根据调光信号分别调节LED电流和总线电压。 DC / DC转换器可以包括耦合到总线电压的输入。
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