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1. 发明授权

US10042008B2 Time based AC line detection 有权
公开(公告)号：US10042008B2
公开(公告)日：2018-08-07
申请号：US14486782
申请日：2014-09-15
申请人： Dialog Semiconductor Inc.
发明人： Xiaoyan Wang , Nan Shi , Clarita C. Knoll
IPC分类号： G01R31/42 , G01R19/04
摘要： A power supply detection system and method for determining the AC mains voltage range when a device (e.g., LED based bulbs) is indirectly connected to the AC mains and the device does not receive the complete sinusoidal AC mains signal. The power supply detection system and method receive an input signal having a first portion that is a sinusoidal signal that generally corresponds to a first portion of the voltage source signal and a second portion that is not a sinusoidal signal that generally corresponds to a second portion of the voltage source signal. A selected reference signal is received, wherein the selected reference signal is synchronized with the input signal. The first portion of the input signal is compared with a corresponding portion of the selected reference signal, and the voltage range of the voltage source is determined based on the comparison.

2. 发明申请

US20160081151A1 Dynamic Bleeder Current Control for LED Dimmers 有权
标题翻译： LED调光器的动态渗流电流控制
公开(公告)号：US20160081151A1
公开(公告)日：2016-03-17
申请号：US14799133
申请日：2015-07-14
申请人： Dialog Semiconductor Inc.
发明人： Xiaoyan Wang , Nan Shi , Clarita Chiting Knoll , Guang Feng
IPC分类号： H05B33/08
CPC分类号： H05B33/0818 , H05B33/0815 , Y02B20/347
摘要： LED lamp systems as described herein include a dimmer switch and a bleeder circuit. The bleeder circuit provides a bleeder current to management voltage and to prevent the dimmer switch from turning off prematurely. The bleeder circuit may monitor the AC input voltage outputted by the dimmer switch. When the AC input voltage is less than a first threshold, the bleeder circuit provides a bleeder current. When the AC input voltage is greater than a second threshold, the bleeder circuit adjusts the bleeder current to less than a predetermined level.
摘要翻译：如本文所述的LED灯系统包括调光开关和泄放电路。泄放电路为管理电压提供泄放电流，并防止调光器开关过早关断。泄放电路可以监视调光开关输出的交流输入电压。当AC输入电压小于第一阈值时，泄放电路提供泄放电流。当AC输入电压大于第二阈值时，泄放电路将泄放电流调节到小于预定水平。

3. 发明申请

US20180083636A1 SELECTION OF MULTIPLE CONFIGURATION SETTINGS USING A SINGLE CONFIGURATION TERMINAL 审中-公开
公开(公告)号：US20180083636A1
公开(公告)日：2018-03-22
申请号：US15826526
申请日：2017-11-29
申请人： DIALOG SEMICONDUCTOR INC.
发明人： Guang Feng , Xiaoyan Wang , Nan Shi
IPC分类号： H03K19/177 , H03K5/1532
CPC分类号： H03K19/17796 , H03K5/1532 , H03K19/0175 , H03K19/17764
摘要： A single configuration terminal of a device is used to configure multiple operating parameters of the device based on a resistor and a capacitor selectively connected to the configuration terminal. The device includes a detection circuit configured to monitor a voltage signal at the configuration terminal to determine multiple values in response to a regulated current source providing a current to the configuration terminal selectively connected to the resistor and the capacitor in parallel, and configure multiple operating parameters based on the determined values. A method for configuring operating parameters using a single configuration terminal of a device includes providing a current to the configuration terminal selectively connected to a resistor and a capacitor in parallel, monitoring a voltage signal at the configuration terminal, determining multiple values based on the monitoring, and configuring multiple operating parameter based on the determined values.

4. 发明授权

US09629207B2 Solid state lamp control 有权
公开(公告)号：US09629207B2
公开(公告)日：2017-04-18
申请号：US14486195
申请日：2014-09-15
申请人： Dialog Semiconductor Inc.
发明人： Clarita Knoll , Xiaoyan Wang , Nan Shi , Guang Feng , Haiju Li
IPC分类号： H05B33/08
CPC分类号： H05B33/0815 , Y02B20/346
摘要： Intelligent control of a solid state lamp when coupled to a trailing edge phase cut dimmer switch is provided. On and off cycles of the lamp's power stage switch are enabled during a period when the energy in the bulk capacitor is at its highest levels. During this period a bleeder circuit does not have to be enabled, which results in a greater operational efficiency as compared with normal switching schemes for trailing edge dimmers.

5. 发明授权

US09307593B1 Dynamic bleeder current control for LED dimmers 有权
标题翻译： LED调光器的动态泄放电流控制
公开(公告)号：US09307593B1
公开(公告)日：2016-04-05
申请号：US14799133
申请日：2015-07-14
申请人： Dialog Semiconductor Inc.
发明人： Xiaoyan Wang , Nan Shi , Clarita Chiting Knoll , Guang Feng
IPC分类号： H05B37/02 , H05B33/08
CPC分类号： H05B33/0818 , H05B33/0815 , Y02B20/347
摘要： LED lamp systems as described herein include a dimmer switch and a bleeder circuit. The bleeder circuit provides a bleeder current to management voltage and to prevent the dimmer switch from turning off prematurely. The bleeder circuit may monitor the AC input voltage outputted by the dimmer switch. When the AC input voltage is less than a first threshold, the bleeder circuit provides a bleeder current. When the AC input voltage is greater than a second threshold, the bleeder circuit adjusts the bleeder current to less than a predetermined level.
摘要翻译：如本文所述的LED灯系统包括调光开关和泄放电路。泄放电路为管理电压提供泄放电流，并防止调光器开关过早关断。泄放电路可以监视调光开关输出的交流输入电压。当AC输入电压小于第一阈值时，泄放电路提供泄放电流。当AC输入电压大于第二阈值时，泄放电路将泄放电流调节到小于预定水平。

6. 发明授权

US09006997B2 Intensity control of LEDs interfacing three-way sockets 有权
标题翻译： LED连接三通插座的强度控制
公开(公告)号：US09006997B2
公开(公告)日：2015-04-14
申请号：US13931339
申请日：2013-06-28
申请人： Dialog Semiconductor Inc.
发明人： Nan Shi , Liang Yan
IPC分类号： H05B37/02 , H05B33/08
CPC分类号： H05B33/0845 , H05B33/0848 , Y02B20/383
摘要： A light-emitting diode (LED) lighting fixture is configured to interface a three-way socket and provide three levels of output light intensity. A detection unit determines whether one or both input voltages lines of the three-way socket are active and provides a control signal to an LED controller indicating which input voltage lines are active. The LED controller is configured to provide different output current levels to an LED bank based on whether one or both input voltage lines are active. By adjusting the output current level based on which input lines are active, the LED lighting fixture provides three output lighting intensity levels. LED lighting fixtures according to various embodiments can therefore serve as a direct replacement for three-way incandescent bulbs.
摘要翻译：发光二极管（LED）照明灯具配置为连接三路插座，并提供三级输出光强度。检测单元确定三通插座的一个或两个输入电压线是否有效，并向LED控制器提供指示哪些输入电压线是有效的控制信号。 LED控制器被配置为基于一个或两个输入电压线是否有效来向LED组提供不同的输出电流电平。通过调整基于哪个输入线有效的输出电流电平，LED照明灯具提供三个输出亮度级别。因此，根据各种实施例的LED照明灯具可以用作三通白炽灯泡的直接替代品。

7. 发明授权

US10148170B2 Switching power converter with magnetizing current shaping 有权
公开(公告)号：US10148170B2
公开(公告)日：2018-12-04
申请号：US15824927
申请日：2017-11-28
申请人： DIALOG SEMICONDUCTOR INC.
发明人： Guang Feng , Xiaoyan Wang , Nan Shi
IPC分类号： H02M3/335 , H02M1/42 , H02M3/158 , H03K5/08 , H02M1/00
摘要： A switching power converter is provided that uses at least two peak current thresholds. In particular, the switching power converter clamps a desired peak current to not fall below a low peak current threshold value while a rectified input voltage is decreasing and to not fall below a high peak current threshold value subsequent to zero crossing times for an AC input voltage.

8. 发明申请

US20170196062A1 DIGITAL DIMMING SOLUTION FOR LED APPLICATIONS INCLUDING A PHASE-CUT DIMMER 审中-公开
公开(公告)号：US20170196062A1
公开(公告)日：2017-07-06
申请号：US15399582
申请日：2017-01-05
申请人： DIALOG SEMICONDUCTOR INC.
发明人： Xiaoyan Wang , Nan Shi
IPC分类号： H05B33/08 , H05B37/02
摘要： A system and method for controlling a light output from a LED-based lighting solution is provided that may receive phase-cut AC signals and/or external digital control signals. The invention is capable of receiving both a phase-cut AC signal and an external digital control signal simultaneously and providing a desired light output from a LED-based lighting solution. The system generally includes a power source electronically connected to one or more dimmers and an AC power output of the dimmer connected to a solid state lighting device such as an LED. The system is capable of receiving signals from a wired and/or wireless external digital control device to additionally control the desired light output from a LED-based lighting solution.

9. 发明申请

US20160077165A1 Time Based AC Line Detection 审中-公开
标题翻译：基于时间的交流线路检测
公开(公告)号：US20160077165A1
公开(公告)日：2016-03-17
申请号：US14486782
申请日：2014-09-15
申请人： Dialog Semiconductor Inc.
发明人： Xiaoyan Wang , Nan Shi , Clarita C. Knoll
IPC分类号： G01R31/42 , G01R19/04
CPC分类号： G01R31/42 , G01R19/04
摘要： A power supply detection system and method for determining the AC mains voltage range when a device (e.g., LED based bulbs) is indirectly connected to the AC mains and the device does not receive the complete sinusoidal AC mains signal.
摘要翻译：一种电源检测系统和方法，用于当设备（例如，基于LED的灯泡）间接连接到AC电源并且该设备没有接收到完整的正弦AC电源信号时，确定AC电源电压范围。

10. 发明申请

US20140239840A1 OUTPUT CURRENT COMPENSATION FOR JITTER IN INPUT VOLTAGE FOR DIMMABLE LED LAMPS 有权
标题翻译：用于二极管LED输入输入电压的输出电流补偿
公开(公告)号：US20140239840A1
公开(公告)日：2014-08-28
申请号：US14191077
申请日：2014-02-26
申请人： Dialog Semiconductor Inc.
发明人： Xiaoyan Wang , Liang Yan , Nan Shi
IPC分类号： H05B33/08
CPC分类号： H05B33/0815 , H05B33/0854 , Y02B20/347
摘要： An LED controller reduces jitter of an LED lamp. In one embodiment, the LED controller includes a jitter detection circuit adapted to determine an amount of jitter in an input voltage signal. The input voltage signal includes a plurality of cycles and indicates an amount of dimming for the LED lamp. The LED controller further includes a jitter compensation circuit, which generates a control signal to control regulated in the LED lamp such that an output light intensity of the LED lamp substantially corresponds to the amount of dimming for the LED lamp. The control signal controls current delivery to the LED lamp to compensate for the determined amount of jitter in the input voltage signal.
摘要翻译： LED控制器可减少LED灯的抖动。在一个实施例中，LED控制器包括适于确定输入电压信号中的抖动量的抖动检测电路。输入电压信号包括多个周期，并指示LED灯的调光量。 LED控制器还包括抖动补偿电路，其产生控制在LED灯中调节的控制信号，使得LED灯的输出光强度基本上对应于LED灯的调光量。控制信号控制到LED灯的电流传输，以补偿确定的输入电压信号中的抖动量。

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