公开(公告)号：US20120105162A1

公开(公告)日：2012-05-03

申请号：US13314825

申请日：2011-12-08

申请人： Catherine S. Chou ,  William C. Athas ,  Heather R. Sullens

发明人： Catherine S. Chou ,  William C. Athas ,  Heather R. Sullens

IPC分类号： H03B5/12

CPC分类号： H03L3/00 ,  H02M3/07 ,  H03B5/06 ,  H03B5/1212 ,  H03B5/1228 ,  H03L7/091

摘要： A system which starts up and shuts down a resonant oscillator circuit. During start up, the system operates a driving circuit, which is external to the resonant oscillator circuit, wherein the driving circuit uses a first clock signal to control a first phase output of the resonant oscillator circuit. At the same time, the driving circuit uses a second clock signal to control a second phase output of the resonant oscillator circuit, wherein the first and second clock signals have opposite phases. While the first and second phase outputs are being controlled, the system ramps up an input voltage, which is used to power the resonant oscillator circuit, wherein the ramping takes place across multiple initial oscillation periods. During shut down, the system shuts down the resonant oscillator circuit by ramping down the input voltage. Next, the system clamps the first and second phase outputs to a fixed voltage.

摘要翻译： 启动并关闭谐振振荡电路的系统。 在启动期间，系统操作在谐振振荡器电路外部的驱动电路，其中驱动电路使用第一时钟信号来控制谐振振荡器电路的第一相输出。 同时，驱动电路使用第二时钟信号来控制谐振振荡器电路的第二相输出，其中第一和第二时钟信号具有相反的相位。 当控制第一和第二相输出时，系统斜坡上升用于对谐振振荡器电路供电的输入电压，其中斜坡在多个初始振荡周期内发生。 在关机期间，系统通过降低输入电压来关闭谐振振荡器电路。 接下来，系统将第一和第二相输出钳位到固定电压。

公开(公告)号：US20120195080A1

公开(公告)日：2012-08-02

申请号：US13090128

申请日：2011-04-19

申请人： Eric Smith ,  P. Jeffrey Ungar ,  Heather R. Sullens

发明人： Eric Smith ,  P. Jeffrey Ungar ,  Heather R. Sullens

IPC分类号： H02M7/10

CPC分类号： H02M7/10

摘要： The disclosed embodiments relate to a power-supply circuit, an electronic device that includes the power-supply circuit, and a method for generating high-voltage DC power from AC line power using the power-supply circuit. This power-supply circuit includes a voltage multiplier and a low dropout (LDO) regulator, and does not include a step-up transformer. Conventional power supplies often use a custom step-up transformer, which is expensive unless the power supplies are manufactured in high quantities. In contrast, one embodiment of the present disclosure provides a solid-state implementation of a 700 V regulated power supply that can take up to a 1020 V input from an 6× voltage multiplier powered from the AC mains. Hence, the disclosed power-supply circuit eliminates the need for large, heavy and expensive step-up transformers and chokes that are used in conventional high-voltage DC power supplies.

摘要翻译： 所公开的实施例涉及电源电路，包括电源电路的电子设备以及使用电源电路从AC线路电力产生高压DC电力的方法。 该电源电路包括电压倍增器和低压差（LDO）调节器，并且不包括升压变压器。 常规电源通常使用定制的升压变压器，这是非常昂贵的，除非电源大量生产。 相比之下，本公开的一个实施例提供了700V稳压电源的固态实现，其可以从由AC电源供电的6×电压倍增器采用高达1020V的输入。 因此，所公开的电源电路消除了对常规高压直流电源中使用的大型，重型和昂贵的升压变压器和扼流器的需要。

公开(公告)号：US08710936B2

公开(公告)日：2014-04-29

申请号：US13314825

申请日：2011-12-08

申请人： Catherine S. Chou ,  William C. Athas ,  Heather R. Sullens

发明人： Catherine S. Chou ,  William C. Athas ,  Heather R. Sullens

IPC分类号： H03B5/12

CPC分类号： H03L3/00 ,  H02M3/07 ,  H03B5/06 ,  H03B5/1212 ,  H03B5/1228 ,  H03L7/091

摘要： A system which starts up and shuts down a resonant oscillator circuit. During start up, the system operates a driving circuit, which is external to the resonant oscillator circuit, wherein the driving circuit uses a first clock signal to control a first phase output of the resonant oscillator circuit. At the same time, the driving circuit uses a second clock signal to control a second phase output of the resonant oscillator circuit, wherein the first and second clock signals have opposite phases. While the first and second phase outputs are being controlled, the system ramps up an input voltage, which is used to power the resonant oscillator circuit, wherein the ramping takes place across multiple initial oscillation periods. During shut down, the system shuts down the resonant oscillator circuit by ramping down the input voltage. Next, the system clamps the first and second phase outputs to a fixed voltage.

摘要翻译： 启动并关闭谐振振荡电路的系统。 在启动期间，系统操作在谐振振荡器电路外部的驱动电路，其中驱动电路使用第一时钟信号来控制谐振振荡器电路的第一相输出。 同时，驱动电路使用第二时钟信号来控制谐振振荡器电路的第二相输出，其中第一和第二时钟信号具有相反的相位。 当控制第一和第二相输出时，系统斜坡上升用于为谐振振荡器电路供电的输入电压，其中斜坡在多个初始振荡周期内发生。 在关机期间，系统通过降低输入电压来关闭谐振振荡器电路。 接下来，系统将第一和第二相输出钳位到固定电压。

公开(公告)号：US08610411B2

公开(公告)日：2013-12-17

申请号：US13090128

申请日：2011-04-19

申请人： Eric Smith ,  P. Jeffrey Ungar ,  Heather R. Sullens

发明人： Eric Smith ,  P. Jeffrey Ungar ,  Heather R. Sullens

IPC分类号： G05F1/563

CPC分类号： H02M7/10

摘要： The disclosed embodiments relate to a power-supply circuit, an electronic device that includes the power-supply circuit, and a method for generating high-voltage DC power from AC line power using the power-supply circuit. This power-supply circuit includes a voltage multiplier and a low dropout (LDO) regulator, and does not include a step-up transformer. Conventional power supplies often use a custom step-up transformer, which is expensive unless the power supplies are manufactured in high quantities. In contrast, one embodiment of the present disclosure provides a solid-state implementation of a 700 V regulated power supply that can take up to a 1020 V input from an 6× voltage multiplier powered from the AC mains. Hence, the disclosed power-supply circuit eliminates the need for large, heavy and expensive step-up transformers and chokes that are used in conventional high-voltage DC power supplies.

摘要翻译： 所公开的实施例涉及电源电路，包括电源电路的电子设备以及使用电源电路从AC线路电力产生高压DC电力的方法。 该电源电路包括电压倍增器和低压差（LDO）调节器，并且不包括升压变压器。 常规电源通常使用定制的升压变压器，这是非常昂贵的，除非电源大量生产。 相比之下，本公开的一个实施例提供了700V稳压电源的固态实现，其可以从由AC电源供电的6×电压倍增器采用高达1020V的输入。 因此，所公开的电源电路消除了对常规高压直流电源中使用的大型，重型和昂贵的升压变压器和扼流器的需要。