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1. 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。

2. 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。

3. 发明申请

US20050218964A1 Active diode 有权
标题翻译：有源二极管
公开(公告)号：US20050218964A1
公开(公告)日：2005-10-06
申请号：US11094369
申请日：2005-03-31
申请人： Richard Oswald , Tamotsu Yamamoto , Takashi Ryu , Hideki Shirokoshi
发明人： Richard Oswald , Tamotsu Yamamoto , Takashi Ryu , Hideki Shirokoshi
IPC分类号： H02M7/21 , 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。

4. 发明授权

US07714562B2 Hysteretic switching regulator 有权
标题翻译：迟滞开关调节器
公开(公告)号：US07714562B2
公开(公告)日：2010-05-11
申请号：US11633635
申请日：2006-12-05
申请人： Richard Oswald , Tamotsu Yamamoto , Takashi Ryu , Hirohisa Tanabe , Masaaki Koto
发明人： Richard Oswald , Tamotsu Yamamoto , Takashi Ryu , Hirohisa Tanabe , Masaaki Koto
IPC分类号： G05F1/56
CPC分类号： H02M3/1563
摘要： A switching regulator circuit including a high-side switch and a low-side switch; an inductor having a first terminal coupled to a common terminal between the high-side switch and the low-side switch, and a second terminal coupled to an output terminal of the switching regulator circuit; a low-pass filter coupled to the first terminal of the inductor, where the low-pass filter is operative for generating a ramp signal based on the voltage signal present at the first terminal of the inductor; and a hysteretic comparator coupled to the low pass filter, where the hysteretic comparator receives the ramp signal as an input signal, and generates an output signal which is operative for controlling the operation of the high-side switch and the low-side switch.
摘要翻译：一种包括高侧开关和低侧开关的开关调节器电路; 电感器，其具有耦合到所述高侧开关和所述低侧开关之间的公共端子的第一端子，以及耦合到所述开关调节器电路的输出端子的第二端子; 耦合到电感器的第一端子的低通滤波器，其中低通滤波器用于基于存在于电感器的第一端子处的电压信号产生斜坡信号; 以及耦合到低通滤波器的迟滞比较器，其中滞后比较器接收斜坡信号作为输入信号，并且产生用于控制高侧开关和低侧开关的操作的输出信号。

5. 发明申请

US20090066421A1 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：US20090066421A1
公开(公告)日：2009-03-12
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。

6. 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。

7. 发明授权

US07737668B2 Buck-boost switching regulator 有权
标题翻译：降压 - 升压开关稳压器
公开(公告)号：US07737668B2
公开(公告)日：2010-06-15
申请号：US11896974
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： G05F1/62
CPC分类号： H02M3/1582
摘要： A buck-boost switching regulator which includes a first switch, a first diode, an inductor, a second switch, a second diode, and a controller for controlling the first switch and the second switch, the controller being configured to receive a current signal indicative of a inductor current flowing in the inductor, and generating a signal indicative of an average current flowing in the inductor, the average current being utilized to control the first switch and the second switch, wherein the controller includes a first compensator circuit for outputting a voltage error signal, a second compensator circuit for outputting a current error signal and a modulator circuit to output a first control signal to control the first switch and a second control switch to control the second switch.
摘要翻译：一种降压 - 升压开关调节器，包括第一开关，第一二极管，电感器，第二开关，第二二极管和用于控制第一开关和第二开关的控制器，所述控制器被配置为接收指示在电感器中流动的电感器电流，以及产生指示在电感器中流动的平均电流的信号，用于控制第一开关和第二开关的平均电流，其中控制器包括用于输出电压的第一补偿电路误差信号，用于输出电流误差信号的第二补偿电路和用于输出第一控制信号以控制第一开关的调制器电路和用于控制第二开关的第二控制开关。

8. 发明申请

US20090066301A1 Buck-boost switching regulator 有权
标题翻译：降压 - 升压开关稳压器
公开(公告)号：US20090066301A1
公开(公告)日：2009-03-12
申请号：US11896974
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： G05F1/00 , H02M3/158
CPC分类号： H02M3/1582
摘要： A buck-boost switching regulator which includes a first switch, a first diode, an inductor, a second switch, a second diode, and a controller for controlling the first switch and the second switch, the controller being configured to receive a current signal indicative of a inductor current flowing in the inductor, and generating a signal indicative of an average current flowing in the inductor, the average current being utilized to control the first switch and the second switch, wherein the controller includes a first compensator circuit for outputting a voltage error signal, a second compensator circuit for outputting a current error signal and a modulator circuit to output a first control signal to control the first switch and a second control switch to control the second switch.
摘要翻译：一种降压 - 升压开关调节器，包括第一开关，第一二极管，电感器，第二开关，第二二极管和用于控制第一开关和第二开关的控制器，所述控制器被配置为接收指示在电感器中流动的电感器电流，以及产生指示在电感器中流动的平均电流的信号，用于控制第一开关和第二开关的平均电流，其中控制器包括用于输出电压的第一补偿电路误差信号，用于输出电流误差信号的第二补偿电路和用于输出第一控制信号以控制第一开关的调制器电路以及控制第二开关的第二控制开关。

9. 发明申请

US20070145965A1 Hysteretic switching regulator 有权
标题翻译：迟滞开关调节器
公开(公告)号：US20070145965A1
公开(公告)日：2007-06-28
申请号：US11633635
申请日：2006-12-05
申请人： Richard Oswald , Tamotsu Yamamoto , Takashi Ryu , Hirohisa Tanabe , Masaaki Koto
发明人： Richard Oswald , Tamotsu Yamamoto , Takashi Ryu , Hirohisa Tanabe , Masaaki Koto
IPC分类号： G05F1/00
CPC分类号： H02M3/1563
摘要： A switching regulator circuit including a high-side switch and a low-side switch; an inductor having a first terminal coupled to a common terminal between the high-side switch and the low-side switch, and a second terminal coupled to an output terminal of the switching regulator circuit; a low-pass filter coupled to the first terminal of the inductor, where the low-pass filter is operative for generating a ramp signal based on the voltage signal present at the first terminal of the inductor; and a hysteretic comparator coupled to the low pass filter, where the hysteretic comparator receives the ramp signal as an input signal, and generates an output signal which is operative for controlling the operation of the high-side switch and the low-side switch.
摘要翻译：一种包括高侧开关和低侧开关的开关调节器电路; 电感器，其具有耦合到所述高侧开关和所述低侧开关之间的公共端子的第一端子，以及耦合到所述开关调节器电路的输出端子的第二端子; 耦合到电感器的第一端子的低通滤波器，其中低通滤波器用于基于存在于电感器的第一端子处的电压信号产生斜坡信号; 以及耦合到低通滤波器的迟滞比较器，其中滞后比较器接收斜坡信号作为输入信号，并且产生用于控制高侧开关和低侧开关的操作的输出信号。

10. 发明申请

US20060044843A1 Method and apparatus for performing lossless sensing of positive and negative peak 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峰值电感电流的无损检测的方法和装置
公开(公告)号：US20060044843A1
公开(公告)日：2006-03-02
申请号：US11207937
申请日：2005-08-22
申请人： Richard Oswald , Tamotsu Yamamoto , Takashi Ryu
发明人： Richard Oswald , Tamotsu Yamamoto , Takashi Ryu
IPC分类号： H02M3/335
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。

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