公开(公告)号：US07148669B2

公开(公告)日：2006-12-12

申请号：US10770018

申请日：2004-02-02

申请人： Dragan Maksimovic ,  Jingquan Chen ,  Aleksandar Prodic ,  Robert W. Erickson

发明人： Dragan Maksimovic ,  Jingquan Chen ,  Aleksandar Prodic ,  Robert W. Erickson

IPC分类号： G05F1/56

CPC分类号： H02M1/4225 ,  H02M3/157 ,  Y02B70/126

摘要： The present invention provides a method for producing a controlled output voltage for a switching power converter under current control using pulse width modulation, the switching power converter including a predictive digital current-mode controller and a digital pulse width modulator. The current control results in an unstable output voltage, and the pulse width modulation method is selected to eliminate the instability of the output voltage.

摘要翻译： 本发明提供了一种用于在使用脉宽调制的电流控制下产生用于开关功率转换器的受控输出电压的方法，该开关功率转换器包括预测数字电流模式控制器和数字脉宽调制器。 电流控制导致不稳定的输出电压，并且选择脉宽调制方法以消除输出电压的不稳定性。

公开(公告)号：US20050168198A1

公开(公告)日：2005-08-04

申请号：US10770018

申请日：2004-02-02

申请人： Dragan Maksimovic ,  Jingquan Chen ,  Aleksandar Prodic ,  Robert Erickson

发明人： Dragan Maksimovic ,  Jingquan Chen ,  Aleksandar Prodic ,  Robert Erickson

IPC分类号： G05F1/10 ,  H02M1/42 ,  H02M3/157

CPC分类号： H02M1/4225 ,  H02M3/157 ,  Y02B70/126

摘要： The present invention provides a method for producing a controlled output voltage for a switching power converter under current control using pulse width modulation, the switching power converter including a predictive digital current-mode controller and a digital pulse width modulator. The current control results in an unstable output voltage, and the pulse width modulation method is selected to eliminate the instability of the output voltage.

摘要翻译： 本发明提供了一种用于在使用脉宽调制的电流控制下产生用于开关功率转换器的受控输出电压的方法，该开关功率转换器包括预测数字电流模式控制器和数字脉宽调制器。 电流控制导致不稳定的输出电压，并且选择脉宽调制方法以消除输出电压的不稳定性。

公开(公告)号：US08362756B2

公开(公告)日：2013-01-29

申请号：US12974903

申请日：2010-12-21

申请人： Jason Weinstein ,  Zhenyu Zhao ,  Jingquan Chen

发明人： Jason Weinstein ,  Zhenyu Zhao ,  Jingquan Chen

IPC分类号： G05F1/40 ,  G05F1/575

CPC分类号： H02M3/07 ,  H02M3/157 ,  H02M3/1588 ,  Y02B70/1466

摘要： A controller produces high-side and low-side control signals. The high and low-side signals are used to switch high-side and low-side transistors in the power stage to control the voltage across the power stage output capacitor of the power stage. A boost feedback charge pump receives the low or high-side signal to increase the charge on a charge pump output capacitor. The controller is configured to send Pulse Frequency Modulation (PFM) high and low-side signals that control the voltage on the power stage output capacitor and charge the charge pump output capacitor. The controller is also configured to send boost feedback (BFB) high and low-side signals that charge the boost feedback capacitor, but are designed to not significantly change the charge on the power stage output capacitor.

摘要翻译： 控制器产生高端和低端控制信号。 高低侧信号用于切换功率级的高侧和低侧晶体管，以控制功率级功率级输出电容器两端的电压。 升压反馈电荷泵接收低电平或高边信号以增加电荷泵输出电容器上的电荷。 控制器配置为发送脉冲频率调制（PFM）高和低侧信号，控制功率级输出电容器的电压，并对电荷泵输出电容器充电。 控制器还配置为发送升压反馈（BFB）高压和低压信号，为升压反馈电容充电，但被设计为不会显着改变功率级输出电容器的电荷。

公开(公告)号：US08125287B2

公开(公告)日：2012-02-28

申请号：US12707895

申请日：2010-02-18

申请人： Zdravko Lukic ,  Eric Iozsef ,  Zhenyu Zhao ,  Jingquan Chen

发明人： Zdravko Lukic ,  Eric Iozsef ,  Zhenyu Zhao ,  Jingquan Chen

IPC分类号： H03K7/08 ,  H03K7/06 ,  H03K3/017

CPC分类号： H03K7/08 ,  H03K7/06

摘要： A multichannel digital pulse width modulator/digital pulse frequency modulator uses a single ring oscillator that is shared by multiple channels. The ring oscillator has taps that can be used for least significant bit (LSB) precision of the generated PWM signal. The ring oscillator also produces a ring clock that is used to synchronize logic in the channels. Since the logic in the channels are synchronized by the ring clock, the channels can each independently produce different frequency PWM (or PFM) signals and still share the same ring oscillator.

摘要翻译： 多通道数字脉宽调制器/数字脉冲频率调制器使用由多个通道共享的单个环形振荡器。 环形振荡器具有可用于产生的PWM信号的最低有效位（LSB）精度的抽头。 环形振荡器还产生一个环形时钟，用于同步通道中的逻辑。 由于通道中的逻辑通过环形时钟同步，通道可以各自独立地产生不同频率的PWM（或PFM）信号，并且仍然共享相同的环形振荡器。

公开(公告)号：US20120153916A1

公开(公告)日：2012-06-21

申请号：US12974903

申请日：2010-12-21

申请人： Jason Weinstein ,  Zhenyu Zhao ,  Jingquan Chen

发明人： Jason Weinstein ,  Zhenyu Zhao ,  Jingquan Chen

IPC分类号： G05F1/618

CPC分类号： H02M3/07 ,  H02M3/157 ,  H02M3/1588 ,  Y02B70/1466

摘要： A controller produces high-side and low-side control signals. The high and low-side signals are used to switch high-side and low-side transistors in the power stage to control the voltage across the power stage output capacitor of the power stage. A boost feedback charge pump receives the low or high-side signal to increase the charge on a charge pump output capacitor. The controller is configured to send Pulse Frequency Modulation (PFM) high and low-side signals that control the voltage on the power stage output capacitor and charge the charge pump output capacitor. The controller is also configured to send boost feedback (BFB) high and low-side signals that charge the boost feedback capacitor, but are designed to not significantly change the charge on the power stage output capacitor.

摘要翻译： 控制器产生高端和低端控制信号。 高低侧信号用于切换功率级的高侧和低侧晶体管，以控制功率级功率级输出电容器两端的电压。 升压反馈电荷泵接收低电平或高边信号以增加电荷泵输出电容器上的电荷。 控制器配置为发送脉冲频率调制（PFM）高和低侧信号，控制功率级输出电容器的电压，并对电荷泵输出电容器充电。 控制器还配置为发送升压反馈（BFB）高压和低压信号，为升压反馈电容充电，但被设计为不会显着改变功率级输出电容器的电荷。

公开(公告)号：US20080116964A1

公开(公告)日：2008-05-22

申请号：US11604165

申请日：2006-11-22

申请人： Kent Kernahan ,  Milton D. Ribeiro ,  Dongsheng Zhou ,  Sorin Andrei Spanoche ,  Rafael Payseo-Diaz ,  Craig Norman Lambert ,  Michael W. Caldwell ,  Jingquan Chen

发明人： Kent Kernahan ,  Milton D. Ribeiro ,  Dongsheng Zhou ,  Sorin Andrei Spanoche ,  Rafael Payseo-Diaz ,  Craig Norman Lambert ,  Michael W. Caldwell ,  Jingquan Chen

IPC分类号： G05F1/10

CPC分类号： H03H11/265 ,  H03K3/0315 ,  H03K2005/00143

摘要： The voltage applied to an integrated circuit is controlled by a temporal process monitor formed as part of the integrated circuit. The temporal process monitor includes a voltage controlled oscillator for producing a first output signal having a first period. A comparator compares the first period to one or more reference values. Should the first period be greater than a first selected reference value the comparator sends a signal to increase the voltage being supplied to the integrated circuit. Should the first period be less than a second selected reference value, the comparator sends a signal to decrease the voltage applied to the integrated circuit. In some embodiments a scaling circuit is provided for producing a second output signal having a second period different from (typically but not necessarily longer than) the first period. By placing the temporal process monitor on an integrated circuit chip, process variations and environmental factors which affect the performance of the integrated circuit can be automatically compensated so that the integrated circuit performs within specifications. Two or more temporal process monitors can be placed on a single integrated circuit chip or on different integrated circuit chips and the longest period produced by the temporal process monitors can be used to control the voltage supplied to all the sections of the integrated circuit chip associated with the temporal process monitors or to all the integrated circuit chips associated with the temporal process monitors.

摘要翻译： 施加到集成电路的电压由作为集成电路的一部分形成的时间处理监视器来控制。 时间处理监视器包括用于产生具有第一周期的第一输出信号的压控振荡器。 比较器将第一周期与一个或多个参考值进行比较。 如果第一周期大于第一选择的参考值，则比较器发送信号以增加提供给集成电路的电压。 如果第一周期小于第二选择的参考值，则比较器发送信号以降低施加到集成电路的电压。 在一些实施例中，提供缩放电路用于产生具有与第一周期不同（通常但不一定长于）的第二周期的第二输出信号。 通过将时间过程监视器放置在集成电路芯片上，可以自动补偿影响集成电路性能的过程变化和环境因素，使得集成电路在规范内执行。 可以将两个或更多个时间过程监视器放置在单个集成电路芯片上或不同的集成电路芯片上，并且由时间处理监视器产生的最长周期可以用于控制提供给与所述集成电路芯片相关联的集成电路芯片的所有部分的电压 时间过程监视与所述与时间过程监视器相关联的所有集成电路芯片。

公开(公告)号：US08525502B2

公开(公告)日：2013-09-03

申请号：US13039154

申请日：2011-03-02

申请人： Jason Weinstein ,  Zhenyu Zhao ,  Jingquan Chen

发明人： Jason Weinstein ,  Zhenyu Zhao ,  Jingquan Chen

IPC分类号： G05F1/00

CPC分类号： H02M3/156 ,  H02M1/44 ,  H02M2001/0032 ,  Y02B70/16

摘要： A digital pulse controller uses digital logic to send pulses to a high side and low side switches of a switch-mode power supply converter. The digital logic uses a pulse frequency mode which includes a frequency targeting mode and an ultrasonic mode. The frequency targeting mode dynamically adjusts the size of the pulses in order to achieve a switching frequency within a desired band. The ultrasonic mode is switched into when the frequency of the pulses are at or below a threshold and the time of the pulses reaches a minimum threshold.

摘要翻译： 数字脉冲控制器使用数字逻辑将脉冲发送到开关模式电源转换器的高侧和低侧开关。 数字逻辑使用包括频率瞄准模式和超声波模式的脉冲频率模式。 频率瞄准模式动态地调节脉冲的大小以便实现期望频带内的切换频率。 当脉冲的频率处于或低于阈值并且脉冲的时间达到最小阈值时，超声模式被切换。

公开(公告)号：US20110199164A1

公开(公告)日：2011-08-18

申请号：US12707895

申请日：2010-02-18

申请人： Zdravko Lukic ,  Eric Iozsef ,  Zhenyu Zhao ,  Jingquan Chen

发明人： Zdravko Lukic ,  Eric Iozsef ,  Zhenyu Zhao ,  Jingquan Chen

IPC分类号： H03K7/08

CPC分类号： H03K7/08 ,  H03K7/06

摘要： A multichannel digital pulse width modulator/digital pulse frequency modulator uses a single ring oscillator that is shared by multiple channels. The ring oscillator has taps that can be used for least significant bit (LSB) precision of the generated PWM signal. The ring oscillator also produces a ring clock that is used to synchronize logic in the channels. Since the logic in the channels are synchronized by the ring clock, the channels can each independently produce different frequency PWM (or PFM) signals and still share the same ring oscillator.

摘要翻译： 多通道数字脉宽调制器/数字脉冲频率调制器使用由多个通道共享的单个环形振荡器。 环形振荡器具有可用于产生的PWM信号的最低有效位（LSB）精度的抽头。 环形振荡器还产生一个环形时钟，用于同步通道中的逻辑。 由于通道中的逻辑通过环形时钟同步，通道可以各自独立地产生不同频率的PWM（或PFM）信号，并且仍然共享相同的环形振荡器。