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    • 4. 发明申请
    • POWER SUPPLY CONTROLLER WITH MINIMUM-SUM MULTI-CYCLE MODULATION
    • 具有最小多循环调制功能的电源控制器
    • US20130077350A1
    • 2013-03-28
    • US13242947
    • 2011-09-23
    • Mingming Mao
    • Mingming Mao
    • H02M3/335
    • H02M3/33523H02M2001/0035Y02B70/16
    • An example power supply controller includes a signal separator circuit that generates a feedback signal. An error signal generator generates an error signal in response to the feedback signal. A control circuit generates a drive signal in response to the error signal. The drive signal controls switching of a switch. A multi-cycle modulation circuit is included in the control circuit and generates a skip signal in response to a start skip signal, a stop skip signal and a skip mask signal. The skip mask signal is generated in response to the skip signal. The start skip and stop skip signals cause the drive signal to start skipping or stop skipping, respectively, on-time intervals of cycles. The skip mask signal disables the start skip signal from causing the drive signal to start skipping the on-time intervals of cycles.
    • 示例性电源控制器包括产生反馈信号的信号分离器电路。 误差信号发生器响应于反馈信号产生误差信号。 控制电路响应于误差信号产生驱动信号。 驱动信号控制开关的切换。 多周期调制电路包括在控制电路中,并且响应于起始跳过信号,停止跳过信号和跳过屏蔽信号产生跳过信号。 响应于跳过信号产生跳过屏蔽信号。 开始跳过和停止跳过信号会导致驱动信号分别以周期的时间间隔开始跳过或停止跳过。 跳过屏蔽信号禁止启动跳过信号使驱动信号开始跳过周期的导通时间间隔。
    • 5. 发明授权
    • Integrated on-time extension for non-dissipative bleeding in a power supply
    • 电源中非耗散性出血的集成准时延长
    • US08299730B2
    • 2012-10-30
    • US12703072
    • 2010-02-09
    • Yury GaknokiMingming MaoTiziano Pastore
    • Yury GaknokiMingming MaoTiziano Pastore
    • H05B37/02
    • H02M1/4258H02M5/2573H05B33/0815Y02B20/346Y02B70/126
    • An example controller for a switched mode power supply includes a zero-crossing detector, drive logic, and an on-time extension block. The zero-crossing detector is coupled to generate a first signal prior to a zero-crossing of an input voltage of the power supply. The drive logic is to generate a drive logic output signal in response to a feedback signal, where the drive logic output signal is representative of an initial on-time. The on-time extension block is coupled to the zero-crossing detector and to the drive logic to generate a drive signal in response to the drive logic output signal. The drive signal controls switching of a switch to remove charge from a filter capacitor of the power supply. The drive signal is representative of a total on-time of the switch equal to a sum of the initial on-time and an extended on-time, where the extended on-time is responsive to the first signal.
    • 用于开关模式电源的示例性控制器包括过零检测器,驱动逻辑和导通时间延伸块。 过零检测器被耦合以在电源的输入电压过零之前产生第一信号。 驱动逻辑是响应于反馈信号产生驱动逻辑输出信号,其中驱动逻辑输出信号代表初始接通时间。 导通时间延伸块耦合到过零检测器和驱动逻辑以响应于驱动逻辑输出信号产生驱动信号。 驱动信号控制开关的切换以从电源的滤波电容器去除电荷。 驱动信号代表开关的总接通时间等于初始接通时间和延长接通时间的总和,其中延长的导通时间响应于第一信号。
    • 6. 发明申请
    • DIMMING CONTROL FOR A SWITCHING POWER SUPPLY
    • 开关电源的调试控制
    • US20110254525A1
    • 2011-10-20
    • US12764026
    • 2010-04-20
    • Yury GaknokiMingming Mao
    • Yury GaknokiMingming Mao
    • G05F1/00G05F5/00
    • H05B33/0815H02M3/33507H05B33/0848Y02B20/346
    • A controller for dimming control of a switching power supply includes a phase angle measurement block and a drive logic block. The phase angle measurement block is to be coupled to receive an input sense signal. The phase angle measurement block generates a phase angle signal representative of a phase angle of an input voltage of the power supply in response to the input sense signal. The drive logic block is to be coupled to control switching of a switch included in the power supply. The drive logic block controls the switch in a closed loop dimming control when the phase angle is less than or equal to a phase threshold and in a open loop dimming control when the phase angle is greater than the phase threshold.
    • 用于开关电源的调光控制的控制器包括相位角测量块和驱动逻辑块。 相位角测量块将被耦合以接收输入感测信号。 相位角测量块响应于输入感测信号产生表示电源的输入电压的相位角的相位角信号。 驱动逻辑块被耦合以控制包括在电源中的开关的切换。 当相位角小于或等于相位阈值时,驱动逻辑块控制闭环调光控制中的开关,并且当相位角大于相位阈值时,控制开环调光控制。
    • 7. 发明申请
    • METHOD AND APPARATUS TO CONTROL A POWER CONVERTER HAVING A LOW LOOP BANDWIDTH
    • 控制具有低环路带宽的功率转换器的方法和装置
    • US20110194309A1
    • 2011-08-11
    • US12703108
    • 2010-02-09
    • Yury GaknokiMingming MaoDavid Michael Hugh MatthewsTiziano Pastore
    • Yury GaknokiMingming MaoDavid Michael Hugh MatthewsTiziano Pastore
    • H02M3/335H05B37/02
    • H02M3/33507H02M1/4258H02M3/33515H05B33/0815Y02B20/346Y02B70/126
    • A power converter controller is disclosed. An example power converter controller includes a feedback sensor circuit coupled to receive a feedback signal representative of an output of the power converter. The controller also includes a feedback sampling signal generator coupled to generate a feedback sampling signal coupled to be received by the feedback sensor circuit. The feedback sensor circuit is coupled to sample the feedback signal in response to the feedback sampling signal. The controller also includes a state machine coupled to the feedback sensor circuit to control switching of a switch of the power converter circuit according to one of a plurality of operating condition states in response to the feedback sensor circuit. The controller also includes a feedback time period signal generator coupled to generate a feedback time period signal coupled to be received by the state machine. A period of a feedback time period signal is substantially greater than a period of the feedback sampling signal. The state machine is coupled to be updated in response to the feedback time period signal.
    • 公开了一种电力转换器控制器。 示例性功率转换器控制器包括耦合以接收表示功率转换器的输出的反馈信号的反馈传感器电路。 控制器还包括反馈采样信号发生器,其被耦合以产生耦合以由反馈传感器电路接收的反馈采样信号。 反馈传感器电路被耦合以响应于反馈采样信号对反馈信号进行采样。 控制器还包括耦合到反馈传感器电路的状态机,以响应于反馈传感器电路来控制根据多个操作状态中的一个的功率转换器电路的开关的切换。 控制器还包括耦合以产生耦合以由状态机接收的反馈时间周期信号的反馈时间周期信号发生器。 反馈时间周期信号的周期显着大于反馈采样信号的周期。 状态机被耦合以响应于反馈时间周期信号被更新。
    • 8. 发明授权
    • Adaptive biasing for integrated circuits
    • 集成电路的自适应偏置
    • US09287784B2
    • 2016-03-15
    • US13243813
    • 2011-09-23
    • Michael ZhangYury GaknokiMingming Mao
    • Michael ZhangYury GaknokiMingming Mao
    • H02M3/335
    • H02M3/33507
    • Methods and apparatuses are disclosed for generating an adjustable bias current. The value of the adjustable bias current may be determined based in part on an error signal representative of a difference between an actual output value and a desired output value of a power converter. When the error signal is below a lower threshold voltage, the adjustable bias current may be set to a first value. When the error signal is above an upper threshold voltage, the adjustable bias current may be set to a second, higher value. When the error signal is between the lower threshold voltage and the upper threshold voltage, the adjustable bias current may change linearly with the error signal.
    • 公开了用于产生可调偏置电流的方法和装置。 部分地可以基于表示功率转换器的实际输出值和期望输出值之间的差的误差信号来确定可调偏置电流的值。 当误差信号低于较低的阈值电压时,可调节的偏置电流可被设置为第一值。 当误差信号高于高阈值电压时,可调节的偏置电流可被设置为第二较高的值。 当误差信号在下阈值电压和上限阈值电压之间时,可调偏置电流可能随误差信号而线性变化。