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1. 发明授权

US07282900B2 Performance controller for a step down current mode switching regulator 有权
标题翻译：用于降压电流模式开关稳压器的性能控制器
公开(公告)号：US07282900B2
公开(公告)日：2007-10-16
申请号：US11206977
申请日：2005-08-19
申请人： Richard K. Oswald , Tamotsu Yamamoto , Takashi Ryu , Mikio Motomori , Takuya Ishii
发明人： Richard K. Oswald , Tamotsu Yamamoto , Takashi Ryu , Mikio Motomori , Takuya Ishii
IPC分类号： G05F1/40
CPC分类号： H02M3/1588 , Y02B70/1466
摘要： A method of regulating an output voltage by utilizing a switching regulator, where the switching regulator includes a high side switch, a low side switch having an active diode, a controller coupled to the high side switch and the low side switch, and a current measuring circuit coupled to the high side switch. The method includes the steps of: measuring the output voltage and if the output voltage is below a desired level, activating the high side switch so as to provide current to a load capacitor via a load inductor, if the voltage is above the desired level, activating the low side switch so as to sink current from the load capacitor via the load inductor; and utilizing the current measuring circuit to measure the current flowing through the high side switch in either a positive direction or a negative direction, where the controller is operable for controlling the current measuring circuit and disabling active components contained in the current measuring circuit and the active diode when the active components are not utilized during operation of the switching regulator so as to reduce operational power requirements of the switching regulator.
摘要翻译：一种通过利用开关调节器调节输出电压的方法，其中开关调节器包括高侧开关，具有有源二极管的低侧开关，耦合到高侧开关和低侧开关的控制器以及电流测量电路耦合到高侧开关。该方法包括以下步骤：测量输出电压，并且如果输出电压低于期望电平，则激活高侧开关以便通过负载电感器向负载电容器提供电流，如果电压高于所需电平，激活低侧开关，以便经由负载电感器从负载电容器吸收电流; 并利用电流测量电路来测量在正方向或负方向上流过高侧开关的电流，其中控制器可操作用于控制电流测量电路并禁用包含在电流测量电路中的有源元件和有源当在开关调节器的操作期间不使用有源组件以减少开关调节器的操作功率需求时，二极管。

2. 发明申请

US20060044853A1 Performance controller for a step down current mode switching regulator 有权
标题翻译：用于降压电流模式开关稳压器的性能控制器
公开(公告)号：US20060044853A1
公开(公告)日：2006-03-02
申请号：US11206977
申请日：2005-08-19
申请人： Richard Oswald , Tamotsu Yamamoto , Takashi Ryu , Mikio Motomori , Takuya Ishii
发明人： Richard Oswald , Tamotsu Yamamoto , Takashi Ryu , Mikio Motomori , Takuya Ishii
IPC分类号： H02J1/10
CPC分类号： H02M3/1588 , Y02B70/1466
摘要： A method of regulating an output voltage by utilizing a switching regulator, where the switching regulator includes a high side switch, a low side switch having an active diode, a controller coupled to the high side switch and the low side switch, and a current measuring circuit coupled to the high side switch. The method includes the steps of: measuring the output voltage and if the output voltage is below a desired level, activating the high side switch so as to provide current to a load capacitor via a load inductor, if the voltage is above the desired level, activating the low side switch so as to sink current from the load capacitor via the load inductor; and utilizing the current measuring circuit to measure the current flowing through the high side switch in either a positive direction or a negative direction, where the controller is operable for controlling the current measuring circuit and disabling active components contained in the current measuring circuit and the active diode when the active components are not utilized during operation of the switching regulator so as to reduce operational power requirements of the switching regulator.
摘要翻译：一种通过利用开关调节器来调节输出电压的方法，其中开关调节器包括高侧开关，具有有源二极管的低侧开关，耦合到高侧开关和低侧开关的控制器以及电流测量电路耦合到高侧开关。该方法包括以下步骤：测量输出电压，如果输出电压低于期望电平，则激活高侧开关，以便如果电压高于所需电平，则通过负载电感器向负载电容器提供电流，激活低侧开关，以便经由负载电感器从负载电容器吸收电流; 并利用电流测量电路来测量在正方向或负方向上流过高侧开关的电流，其中控制器可操作用于控制电流测量电路并禁用包含在电流测量电路中的有源元件和有源当在开关调节器的操作期间不使用有源组件以减少开关调节器的操作功率需求时，二极管。

3. 发明授权

US07250746B2 Current mode switching regulator with predetermined on time 有权
标题翻译：电流模式开关稳压器，具有预定的时间
公开(公告)号：US07250746B2
公开(公告)日：2007-07-31
申请号：US11092814
申请日：2005-03-30
申请人： Richard K. Oswald , Tamotsu Yamamoto , Hiroshi Saito , Takuya Ishii , Takashi Ryu , Hiroki Akashi , Takeshi Tanaka
发明人： Richard K. Oswald , Tamotsu Yamamoto , Hiroshi Saito , Takuya Ishii , Takashi Ryu , Hiroki Akashi , Takeshi Tanaka
IPC分类号： G05F1/618 , G05F1/575
CPC分类号： H02M3/156
摘要： A power supply switching regulator including a common terminal; an input terminal for supplying a direct current input; an output terminal; a recirculating diode having a first terminal connected to the common terminal; an inductor having a first terminal connected to a second terminal of the recirculation diode and a second terminal connected to the output terminal; a capacitor having a first terminal connected to the output terminal and a second terminal connected to the common terminal; a switch connected between the input terminal and the first terminal of the inductor, the switch operable for switching between an ON state in which the direct current input is coupled to the inductor, and an OFF state in which the direct current input is isolated from the inductor; and a controller coupled to the switch and operable for controlling the amount of time the switch is in the ON state and the OFF state such that the duration of time the switch is in the ON state is inversely proportional to the difference between the voltage at the input terminal and the voltage at the output terminal.
摘要翻译：一种电源开关调节器，包括公共端子; 用于提供直流输入的输入端; 输出端子; 循环二极管，其具有连接到所述公共端子的第一端子; 电感器，其具有连接到所述再循环二极管的第二端子的第一端子和连接到所述输出端子的第二端子; 电容器，其具有连接到所述输出端子的第一端子和连接到所述公共端子的第二端子; 连接在电感器的输入端子和第一端子之间的开关，所述开关可操作用于在其中直流输入耦合到电感器的导通状态和直流输入与电感器隔离的截止状态之间切换电感; 以及控制器，其耦合到所述开关并且可操作用于控制所述开关处于导通状态和断开状态的时间量，使得所述开关处于导通状态的持续时间与所述开关处于所述开关状态的电压之间的差成反比输入端子和输出端子的电压。

4. 发明授权

US07126318B2 Higher order slope compensation for fixed frequency current mode switching regulators 有权
公开(公告)号：US07126318B2
公开(公告)日：2006-10-24
申请号：US11210846
申请日：2005-08-25
申请人： Richard K. Oswald , Tamotsu Yamamoto , Mikio Motomori
发明人： Richard K. Oswald , Tamotsu Yamamoto , Mikio Motomori
IPC分类号： G05F1/40
CPC分类号： H02M3/156 , H02M2001/0025
摘要： A method of generating a slope compensation signal for use in a current mode switching regulator. The method includes the steps of summing a clock signal and a reference signal so as to generate a linear ramp signal; generating a non-linear signal from the linear ramp signal; multiplying a correction signal with an input voltage signal so as to generate a signal which varies based on a measured value of a current flowing within the current mode switching regulator; summing a first voltage signal corresponding to the non-linear correction signal and a second voltage signal indicating the difference between an actual voltage level of the current mode switching regulator and the desired voltage level of the current mode switching regulator so as to generate a first output signal which represents the second voltage signal minus the first voltage signal; and comparing the first output signal and the measured value of a current flowing within the current mode switching regulator, and generating a second output signal utilized to control current flow within the current mode switching regulator based on the result of the comparison.

5. 发明授权

US07282894B2 Method and apparatus for performing lossless sensing and negative inductor currents in a high side switch 有权
标题翻译：用于在高侧开关中执行正和负电感电流的无损检测的方法和装置
公开(公告)号：US07282894B2
公开(公告)日：2007-10-16
申请号：US11207937
申请日：2005-08-22
申请人： Richard K. Oswald , Tamotsu Yamamoto , Takashi Ryu
发明人： Richard K. Oswald , Tamotsu Yamamoto , Takashi Ryu
IPC分类号： G05F1/613
CPC分类号： G01R19/0092 , H02M3/156 , H02M2001/0009
摘要： A current sensing circuit for use in a switching regulator having a high-side switch. The current sensing circuit includes a first sensing circuit coupled to the high-side switch for measuring current flowing in a positive direction through the high-side switch. The first sensing circuit includes a first replica device for generating a current which is a scaled version of the positive current flowing through the high-side switch. The current sensing circuit further includes a second sensing circuit coupled to the high-side switch for measuring current flowing in a negative direction through the high-side switch. The second sensing circuit includes a second replica device for generating a current which is a scaled version of the negative current flowing through the high-side switch.
摘要翻译：一种用于具有高侧开关的开关调节器的电流感测电路。电流检测电路包括耦合到高侧开关的第一感测电路，用于测量通过高侧开关在正方向上流动的电流。第一感测电路包括用于产生电流的第一复制装置，该电流是流过高侧开关的正电流的缩放版本。电流感测电路还包括耦合到高侧开关的第二感测电路，用于测量通过高侧开关沿负方向流动的电流。第二感测电路包括用于产生电流的第二复制装置，该电流是流经高侧开关的负电流的缩放版本。

6. 发明授权

US07199636B2 Active diode 有权
标题翻译：有源二极管
公开(公告)号：US07199636B2
公开(公告)日：2007-04-03
申请号：US11094369
申请日：2005-03-31
申请人： Richard K. Oswald , Tamotsu Yamamoto , Takashi Ryu , Hideki Shirokoshi
发明人： Richard K. Oswald , Tamotsu Yamamoto , Takashi Ryu , Hideki Shirokoshi
IPC分类号： H03L5/00
CPC分类号： H02M3/1588 , H03K2017/307 , Y02B70/1466
摘要： An active diode including a NMOS transistor having a source terminal, a drain terminal, a gate terminal and a back gate terminal, where the source terminal is connected to the back gate terminal and forms the anode terminal of the active diode, and the drain terminal forms the cathode terminal of the active diode. The active diode further includes an offset bias voltage source having a first terminal and a second terminal; and an amplifier having a non-inverting input terminal and an inverting input terminal, and an output terminal, where the inverting input terminal is connected to the drain terminal of the transistor, the non-inverting input terminal is connected to the first terminal of the offset bias source, the output terminal is connected to the gate terminal of the transistor, and the second terminal of the offset bias source is connected to the source terminal of the transistor.
摘要翻译：一种有源二极管，包括具有源极端子，漏极端子，栅极端子和背栅极端子的NMOS晶体管，其中源极端子连接到背栅极端子并形成有源二极管的阳极端子，并且漏极端子形成有源二极管的阴极端子。有源二极管还包括具有第一端子和第二端子的偏移偏置电压源; 以及放大器，其具有非反相输入端子和反相输入端子，以及输出端子，其中反相输入端子连接到晶体管的漏极端子，非反相输入端子连接到晶体管的第一端子偏移偏置源，输出端子连接到晶体管的栅极端子，偏移偏置源的第二端子连接到晶体管的源极端子。

7. 发明申请

US20050218877A1 Current mode switching regulator with predetermined on time 有权
标题翻译：电流模式开关稳压器，具有预定的时间
公开(公告)号：US20050218877A1
公开(公告)日：2005-10-06
申请号：US11092814
申请日：2005-03-30
申请人： Richard Oswald , Tamotsu Yamamoto , Hiroshi Saito , Takuya Ishii , Takashi Ryu , Hiroki Akashi , Takeshi Tanaka
发明人： Richard Oswald , Tamotsu Yamamoto , Hiroshi Saito , Takuya Ishii , Takashi Ryu , Hiroki Akashi , Takeshi Tanaka
IPC分类号： H02M3/155 , G05F1/40 , H02M3/156
CPC分类号： H02M3/156
摘要： A power supply switching regulator including a common terminal; an input terminal for supplying a direct current input; an output terminal; a recirculating diode having a first terminal connected to the common terminal; an inductor having a first terminal connected to a second terminal of the recirculation diode and a second terminal connected to the output terminal; a capacitor having a first terminal connected to the output terminal and a second terminal connected to the common terminal; a switch connected between the input terminal and the first terminal of the inductor, the switch operable for switching between an ON state in which the direct current input is coupled to the inductor, and an OFF state in which the direct current input is isolated from the inductor; and a controller coupled to the switch and operable for controlling the amount of time the switch is in the ON state and the OFF state such that the duration of time the switch is in the ON state is inversely proportional to the difference between the voltage at the input terminal and the voltage at the output terminal.
摘要翻译：一种电源开关调节器，包括公共端子; 用于提供直流输入的输入端; 输出端子; 循环二极管，其具有连接到所述公共端子的第一端子; 电感器，其具有连接到所述再循环二极管的第二端子的第一端子和连接到所述输出端子的第二端子; 电容器，其具有连接到所述输出端子的第一端子和连接到所述公共端子的第二端子; 连接在电感器的输入端子和第一端子之间的开关，所述开关可操作用于在其中直流输入耦合到电感器的导通状态和直流输入与电感器隔离的截止状态之间切换电感; 以及控制器，其耦合到所述开关并且可操作用于控制所述开关处于导通状态和断开状态的时间量，使得所述开关处于导通状态的持续时间与所述开关处于所述开关状态的电压之间的差成反比输入端子和输出端子的电压。

8. 发明申请

US20060043951A1 Higher order slope compensation for fixed frequency current mode switching regulators 有权
标题翻译：固定频率电流模式开关稳压器的高阶斜率补偿
公开(公告)号：US20060043951A1
公开(公告)日：2006-03-02
申请号：US11210846
申请日：2005-08-25
申请人： Richard Oswald , Tamotsu Yamamoto , Mikio Motomori
发明人： Richard Oswald , Tamotsu Yamamoto , Mikio Motomori
IPC分类号： G05F1/40
CPC分类号： H02M3/156 , H02M2001/0025
摘要： A method of generating a slope compensation signal for use in a current mode switching regulator. The method includes the steps of summing a clock signal and a reference signal so as to generate a linear ramp signal; generating a non-linear signal from the linear ramp signal; multiplying a correction signal with an input voltage signal so as to generate a signal which varies based on a measured value of a current flowing within the current mode switching regulator; summing a first voltage signal corresponding to the non-linear correction signal and a second voltage signal indicating the difference between an actual voltage level of the current mode switching regulator and the desired voltage level of the current mode switching regulator so as to generate a first output signal which represents the second voltage signal minus the first voltage signal; and comparing the first output signal and the measured value of a current flowing within the current mode switching regulator, and generating a second output signal utilized to control current flow within the current mode switching regulator based on the result of the comparison.
摘要翻译：一种产生用于电流模式切换调节器的斜率补偿信号的方法。该方法包括对时钟信号和参考信号求和以产生线性斜坡信号的步骤; 从线性斜坡信号产生非线性信号; 将校正信号与输入电压信号相乘，以产生基于在电流模式切换调节器内流动的电流的测量值而变化的信号; 将对应于非线性校正信号的第一电压信号和指示电流模式开关调节器的实际电压电平与电流模式开关调节器的期望电压电平之间的差的第二电压信号相加，以产生第一输出表示第二电压信号减去第一电压信号的信号; 以及比较所述第一输出信号和在所述电流模式切换调节器内流动的电流的测量值，并且基于所述比较结果产生用于控制所述电流模式切换调节器内的电流的第二输出信号。

9. 发明授权

US07176668B2 Switching regulator with advanced slope compensation 有权
标题翻译：开关稳压器，具有先进的斜率补偿功能
公开(公告)号：US07176668B2
公开(公告)日：2007-02-13
申请号：US10885788
申请日：2004-07-08
申请人： Richard K. Oswald , Tamotsu Yamamoto
发明人： Richard K. Oswald , Tamotsu Yamamoto
IPC分类号： G05F1/56
CPC分类号： H02M3/156
摘要： A switching regulator circuit with improved slope compensation for providing a regulated voltage to a load. The regulator circuit includes a power source and a switch circuit configured to control the coupling of the power source to the load. The operation of the switch circuit is controlled by a control signal generated by a control circuit. A feedback circuit is provided for generating a feedback signal indicative of the regulated voltage provided by the switching regulator circuit to the load. A circuit is provided to generate a sensed signal indicative of the current supplied by the power source. The regulator circuit further includes a timing signal generator for generating a timing signal, a ramp signal generator for generating a ramp signal, and a current source controlled by the ramp signal for generating a compensation signal indicative of the ramp signal. The control circuit generates the control signal based on the compensation signal, the timing signal, the sensed signal and the feedback signal.
摘要翻译：具有改进的斜率补偿的开关调节器电路，用于向负载提供调节电压。调节器电路包括电源和被配置为控制电源与负载的耦合的开关电路。开关电路的操作由控制电路产生的控制信号控制。提供反馈电路，用于产生指示由开关调节器电路提供给负载的调节电压的反馈信号。提供电路以产生指示由电源提供的电流的感测信号。调节器电路还包括用于产生定时信号的定时信号发生器，用于产生斜坡信号的斜坡信号发生器和由斜坡信号控制的电流源，用于产生指示斜坡信号的补偿信号。控制电路基于补偿信号，定时信号，感测信号和反馈信号产生控制信号。

10. 发明授权

US07683719B2 Internal frequency compensation circuit for integrated circuit controllers 有权
标题翻译：集成电路控制器的内部频率补偿电路
公开(公告)号：US07683719B2
公开(公告)日：2010-03-23
申请号：US11896973
申请日：2007-09-07
申请人： Richard Oswald , Tamotsu Yamamoto , Takashi Ryu
发明人： Richard Oswald , Tamotsu Yamamoto , Takashi Ryu
IPC分类号： H03F1/14
CPC分类号： H03F1/086 , H03F3/45085 , H03F3/45183 , H03F3/45475 , H03F2200/456
摘要： A frequency compensation circuit internal to an integrated circuit which comprises a transconductance amplifier having a first input configured to receive a reference voltage, a second input configured to receive an input voltage and an input current, a first output configured to output a first output current and a second output configured to output a second output current; and a compensation circuit connected to said second output of said transconductance amplifier, wherein said first output is connected to said second input.
摘要翻译：一种集成电路内部的频率补偿电路，包括具有被配置为接收参考电压的第一输入的跨导放大器，被配置为接收输入电压和输入电流的第二输入，被配置为输出第一输出电流的第一输出和第二输出，被配置为输出第二输出电流; 以及补偿电路，连接到所述跨导放大器的所述第二输出端，其中所述第一输出端连接到所述第二输入端。

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