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1.发明申请公开(公告)号：US20090189579A1
公开(公告)日：2009-07-30
申请号：US12165556
申请日：2008-06-30
申请人： John L. Melanson , Karl Thompson , Kartik Nanda , Mauro Gaetano
发明人： John L. Melanson , Karl Thompson , Kartik Nanda , Mauro Gaetano
IPC分类号： H02M3/156
CPC分类号： H02J7/0054 , H02J2007/0059 , H02M3/33592 , Y02B40/90 , Y02B70/1475
摘要： A power supply system and method includes a switch state controller that is operational to control a switching power converter during certain power loss conditions that cause conventional switch state controllers to have diminished or no functionality. In at least one embodiment, during certain power loss conditions, such as when an auxiliary power supply is in standby mode or when the switching power converter is not operating, a power supply for the switch state controller does not provide sufficient operating power to the switch state controller during certain power loss conditions. In at least one embodiment, during such power loss conditions power is generated for the switch state controller using sense input and/or sense output currents of the switching power converter to allow an integrated circuit (IC) switch state controller to generate a control signal to control a switch of the switching power converter.
摘要翻译： 电源系统和方法包括开关状态控制器，该开关状态控制器在导致常规开关状态控制器已经减小或没有功能的某些功率损耗条件下可操作以控制开关功率转换器。 在至少一个实施例中，在某些功率损耗状态下，例如当辅助电源处于待机模式时或者当开关电源转换器不工作时，开关状态控制器的电源不能向开关提供足够的工作电力 在某些功率损耗条件下状态控制器。 在至少一个实施例中，在这种功率损耗状态期间，使用开关功率转换器的感测输入和/或感测输出电流为开关状态控制器产生功率，以允许集成电路（IC）开关状态控制器产生控制信号 控制开关电源转换器的开关。
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2.发明授权Delta-sigma analog-to-digital converter (ADC) having an intermittent power-down state between conversion cycles 有权在转换周期之间具有间歇掉电状态的Delta-sigma模数转换器（ADC）公开(公告)号：US07365667B1
公开(公告)日：2008-04-29
申请号：US11534191
申请日：2006-09-21
申请人： Kartik Nanda , John L. Melanson
发明人： Kartik Nanda , John L. Melanson
IPC分类号： H03M3/00
摘要： A delta-sigma analog to digital converter (ADC) having an intermittent power down state between conversion cycles provides for power consumption savings when the converter is in a lower sample rate operating mode. Clocks provided to the digital portions of the converter are disabled, except for a periodic interval in which a conversion is performed at the higher selectable sample rate of the converter. The analog portions of the converter can also be disabled, but are re-enabled for a predetermined time period and reset before the digital clocks are enabled, so that the loop filter and feedback value supplied from the quantizer to the loop filter are stable prior to each conversion.
摘要翻译： 在转换周期间具有间歇掉电状态的Δ-Σ模数转换器（ADC）提供了当转换器处于较低采样率操作模式时的功耗节省。 提供给转换器的数字部分的时钟被禁用，除了在转换器的较高可选采样率下进行转换的周期性间隔之外。 转换器的模拟部分也可以被禁用，但在预定的时间周期内重新使能并在数字时钟被使能之前复位，使得从量化器提供给环路滤波器的环路滤波器和反馈值在 每次转换。
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公开(公告)号：US20090191837A1
公开(公告)日：2009-07-30
申请号：US12241940
申请日：2008-09-30
申请人： Kartik Nanda , John L. Melanson
发明人： Kartik Nanda , John L. Melanson
IPC分类号： H04B1/16
CPC分类号： H02M3/157
摘要： A power control system includes a delta sigma modulator to generate output values for use in controlling a switching power converter. In at least one embodiment, the delta sigma modulator includes two ranges of available output values and a range of one or more unavailable intermediate output values, wherein the range of one or more unavailable intermediate output values represent a gap in available output values. Each unavailable intermediate output value represents an output value that is not generated by the delta sigma modulator. In at least one embodiment, the delta sigma modulator includes a quantizer output remapping module that remaps quantizer output values within the range of one or more unavailable intermediate output values of the delta sigma modulator to new output values within one of the ranges of available output values.
摘要翻译： 功率控制系统包括Δ-Σ调制器以产生用于控制开关功率转换器的输出值。 在至少一个实施例中，ΔΣ调制器包括两个可用输出值范围和一个或多个不可用中间输出值的范围，其中一个或多个不可用中间输出值的范围表示可用输出值中的间隙。 每个不可用的中间输出值表示不由delta-Σ调制器产生的输出值。 在至少一个实施例中，ΔΣ调制器包括量化器输出重映射模块，该量化器输出重映射模块将ΔΣ调制器的一个或多个不可用中间输出值的范围内的量化器输出值重新映射到可用输出值范围内的新输出值 。
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4.发明授权公开(公告)号：US08576589B2
公开(公告)日：2013-11-05
申请号：US12165556
申请日：2008-06-30
申请人： John L. Melanson , Karl Thompson , Kartik Nanda , Mauro Gaetano
发明人： John L. Melanson , Karl Thompson , Kartik Nanda , Mauro Gaetano
IPC分类号： H02M1/36
CPC分类号： H02J7/0054 , H02J2007/0059 , H02M3/33592 , Y02B40/90 , Y02B70/1475
摘要： A power supply system and method includes a switch state controller that is operational to control a switching power converter during certain power loss conditions that cause conventional switch state controllers to have diminished or no functionality. In at least one embodiment, during certain power loss conditions, such as when an auxiliary power supply is in standby mode or when the switching power converter is not operating, a power supply for the switch state controller does not provide sufficient operating power to the switch state controller during certain power loss conditions. In at least one embodiment, during such power loss conditions power is generated for the switch state controller using sense input and/or sense output currents of the switching power converter to allow an integrated circuit (IC) switch state controller to generate a control signal to control a switch of the switching power converter.
摘要翻译： 电源系统和方法包括开关状态控制器，该开关状态控制器在导致常规开关状态控制器已经减小或没有功能的某些功率损耗条件下可操作以控制开关功率转换器。 在至少一个实施例中，在某些功率损耗状态下，例如当辅助电源处于待机模式时或者当开关电源转换器不工作时，开关状态控制器的电源不能向开关提供足够的工作电力 在某些功率损耗条件下状态控制器。 在至少一个实施例中，在这种功率损耗状态期间，使用开关功率转换器的感测输入和/或感测输出电流为开关状态控制器产生功率，以允许集成电路（IC）开关状态控制器产生控制信号 控制开关电源转换器的开关。
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5.发明授权System-on-chip (SoC) integrated circuit including interleaved delta-sigma analog-to-digital converter (ADC) 有权系统级芯片（SoC）集成电路，包括交错式Δ-Σ模数转换器（ADC）公开(公告)号：US07382300B1
公开(公告)日：2008-06-03
申请号：US11564331
申请日：2006-11-29
IPC分类号： H03M3/00
摘要： A system-on-chip (SoC) integrated circuit including an interleaved delta-sigma analog to digital converter (ADC) provides for reduced noise in the ADC conversions. The ADC is operated intermittently and the balance of the digital circuits forming the system are halted while the conversions take place. The halted portion of the system may include an output low-pass filter of the ADC. The system may include a processor core or other logic having a clock frequency unrelated to the ADC modulator clock frequency that is not otherwise clock-managed to reduce noise induced in the converter output by the operation of the core or other logic.
摘要翻译： 包括交错式Δ-Σ模数转换器（ADC）的片上系统（SoC）集成电路可提供ADC转换中的降低的噪声。 ADC间歇性运行，形成系统的数字电路的平衡在转换发生时停止。 系统的暂停部分可以包括ADC的输出低通滤波器。 该系统可以包括处理器核心或具有与ADC调制器时钟频率无关的时钟频率的其它逻辑，否则不是由时钟管理以便通过核心或其他逻辑的操作来减少在转换器输出中感应的噪声。
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公开(公告)号：US07755525B2
公开(公告)日：2010-07-13
申请号：US12241940
申请日：2008-09-30
申请人： Kartik Nanda , John L. Melanson
发明人： Kartik Nanda , John L. Melanson
IPC分类号： H03M3/00
CPC分类号： H02M3/157
摘要： A power control system includes a delta sigma modulator to generate output values for use in controlling a switching power converter. In at least one embodiment, the delta sigma modulator includes two ranges of available output values and a range of one or more unavailable intermediate output values, wherein the range of one or more unavailable intermediate output values represent a gap in available output values. Each unavailable intermediate output value represents an output value that is not generated by the delta sigma modulator. In at least one embodiment, the delta sigma modulator includes a quantizer output remapping module that remaps quantizer output values within the range of one or more unavailable intermediate output values of the delta sigma modulator to new output values within one of the ranges of available output values.
摘要翻译： 功率控制系统包括Δ-Σ调制器以产生用于控制开关功率转换器的输出值。 在至少一个实施例中，ΔΣ调制器包括两个可用输出值范围和一个或多个不可用中间输出值的范围，其中一个或多个不可用中间输出值的范围表示可用输出值中的间隙。 每个不可用的中间输出值表示不由delta-Σ调制器产生的输出值。 在至少一个实施例中，ΔΣ调制器包括量化器输出重映射模块，该量化器输出重映射模块将ΔΣ调制器的一个或多个不可用中间输出值的范围内的量化器输出值重新映射到可用输出值范围内的新输出值 。
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公开(公告)号：US10263532B2
公开(公告)日：2019-04-16
申请号：US13077421
申请日：2011-03-31
申请人： John L. Melanson , Eric J. King
发明人： John L. Melanson , Eric J. King
摘要： An electronic system includes two power supplies to supply an operating voltage to a switching power converter. The first power supply, referred to as a start-up power supply, includes a first source follower transistor to conduct a start-up current for a controller and supply an operating voltage for the controller. The controller controls operation of the switching power converter. A second power supply, referred to as an auxiliary power supply, includes a second source follower transistor to conduct a steady-state operational current for the controller and supply an operating voltage for the controller. In at least one embodiment, once the second power supply begins supplying the operating voltage to the controller, the start-up power supply automatically ceases supplying the start-up current to the controller.
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8.发明授权Input voltage sensing for a switching power converter and a triac-based dimmer 有权开关电源转换器和基于triac的调光器的输入电压检测公开(公告)号：US09307601B2
公开(公告)日：2016-04-05
申请号：US13539004
申请日：2012-06-29
申请人： Zhaohui He , Rahul Singh , Eric J. King , John L. Melanson , William A. Draper
发明人： Zhaohui He , Rahul Singh , Eric J. King , John L. Melanson , William A. Draper
CPC分类号： H05B33/0848 , H05B33/0815 , Y02B20/346
摘要： An electronic lighting system and method described herein control energy provided to an electronic lighting device, such as one or more light-emitting diodes (LEDs) and/or compact fluorescent lamps (CFLs), of the electronic lighting system. A triac-based dimmer phase cuts a line voltage provided to the electronic lighting system. A controller of the electronic lighting system utilizes a probing system to overcome idiosyncrasies of the triac-based dimmer to allow the controller to probe and sense the line voltage. To reduce energy consumption, rather than probing each cycle of the output voltage of the triac-based dimmer, the controller periodically or intermittently probes the output voltage of the triac-based dimmer.
摘要翻译： 本文所述的电子照明系统和方法控制提供给诸如电子照明系统的一个或多个发光二极管（LED）和/或紧凑型荧光灯（CFL）的电子照明装置的能量。 三端双向可控硅开关控制器的调光器相位切断提供给电子照明系统的线路电压。 电子照明系统的控制器利用探测系统来克服基于triac的调光器的特性，以允许控制器探测和感测线路电压。 为了降低能耗，而不是探测基于三端双向可控硅的调光器的输出电压的每个周期，控制器周期性或间歇地探测基于三端双向可控硅的调光器的输出电压。
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公开(公告)号：US20150327339A1
公开(公告)日：2015-11-12
申请号：US14801440
申请日：2015-07-16
申请人： John L. Melanson , Eric King , Rahul Singh
发明人： John L. Melanson , Eric King , Rahul Singh
IPC分类号： H05B33/08
CPC分类号： H05B33/0815 , H05B33/0824 , H05B33/0827 , H05B33/083 , H05B33/0845 , H05B37/02 , H05B39/047 , H05B41/28 , H05B41/2827 , Y02B20/345 , Y02B20/346 , Y02B20/347
摘要： An LED lighting device includes an auxiliary power supply that supplies power to a control circuit of the LED lighting device that receives an input from a terminal of a light-emitting diode (LED) string of the lighting device that has a substantially lower voltage than the line voltage to which the lighting device is connected. The terminal may be within the LED string, or may be an end of the string. A linear regulator may be operated from the voltage drop across a number of the LEDs in the string so that the energy wasted by the auxiliary power supply is minimized. In other designs, the auxiliary power supply may be intermittently connected in series with the LED string only when needed. The intermittent connection can be used to forward bias a portion of the LED string when the voltage supplied to the LED string is low, increasing overall brightness.
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公开(公告)号：US09119262B2
公开(公告)日：2015-08-25
申请号：US14607412
申请日：2015-01-28
申请人： John L. Melanson , William Draper
发明人： John L. Melanson , William Draper
CPC分类号： H05B33/0851 , H05B33/0803 , H05B33/0815 , H05B33/0821 , H05B33/0824 , H05B41/28 , Y02B20/347
摘要： A light emitting diode (LED) lighting system includes a switching power converter having an input for coupling to an alternating current (AC) power source, an output, and a switch. The LED lighting system also includes an LED lighting subsystem coupled to receive power from the output of the switching power converter. The LED lighting subsystem includes a current source for one or more LEDs, and the current source has a control node and a sense node. The LED lighting system additionally includes a switch state controller coupled to the switching power converter and coupled to the LED lighting subsystem. The switch state controller controls switching of the switch and varies a control current provided to the control node of the current source based on at least a parameter sensed from the sense node.
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