公开(公告)号：US08395367B2

公开(公告)日：2013-03-12

申请号：US12536086

申请日：2009-08-05

申请人： Min-Chu Chien ,  Yung-Peng Huang

发明人： Min-Chu Chien ,  Yung-Peng Huang

IPC分类号： G05F1/00

CPC分类号： H02M3/158 ,  H02M3/156 ,  H02M3/1588 ,  Y02B70/1466

摘要： A DC-DC converter including a Pulse Width Modulation (PWM) controller for converting an input voltage into an output voltage is provided. The PWM controller includes an error amplifier, a comparator, a PWM generator and a ramp generator. The error amplifier generates an error signal according to a difference between a reference voltage and the output voltage. The comparator compares the error signal with a ramp signal to generate a trigger signal. The PWM generator generates a PWM signal with a fixed turn-on time, wherein a frequency of the PWM signal is adjusted according to the trigger signal, the input and output voltages. The ramp generator generates the ramp signal according to the PWM signal, the input voltage and the output voltage.

摘要翻译： 提供了包括用于将输入电压转换为输出电压的脉宽调制（PWM）控制器的DC-DC转换器。 PWM控制器包括误差放大器，比较器，PWM发生器和斜坡发生器。 误差放大器根据参考电压和输出电压之差产生误差信号。 比较器将误差信号与斜坡信号进行比较，以产生触发信号。 PWM发生器产生具有固定接通时间的PWM信号，其中根据触发信号，输入和输出电压调整PWM信号的频率。 斜坡发生器根据PWM信号，输入电压和输出电压产生斜坡信号。

公开(公告)号：US20090267573A1

公开(公告)日：2009-10-29

申请号：US12234137

申请日：2008-09-19

申请人： Min Chu Chien ,  Yung-Peng Huang

发明人： Min Chu Chien ,  Yung-Peng Huang

IPC分类号： G05F1/00

CPC分类号： H02M3/156

摘要： A power supply controller is provided. The power supply controller includes a switching device, an inductor, a comparator, and a sensing device. The switching device is coupled to an input power source and switches according to a comparing result. The inductor is coupled between the switching device and an output terminal, and conducts an inductor current. The comparator is coupled to the output terminal, a reference power source and a bias voltage, compares the voltage level of the output voltage and the reference voltage, and outputs the comparing result according to the bias voltage. The sensing device is coupled to the inductor and the comparator, senses the inductor current, generates a sensed voltage according to the inductor current, and adjusts the bias voltage according to the sensed voltage.

摘要翻译： 提供电源控制器。 电源控制器包括开关装置，电感器，比较器和感测装置。 开关装置根据比较结果耦合到输入电源并切换。 电感器耦合在开关器件和输出端子之间，并传导电感电流。 比较器耦合到输出端子，参考电源和偏置电压，比较输出电压的电压电平和参考电压，并根据偏置电压输出比较结果。 感测装置耦合到电感器和比较器，感测电感器电流，根据电感器电流产生感测电压，并根据感测到的电压调整偏置电压。

公开(公告)号：US20090121696A1

公开(公告)日：2009-05-14

申请号：US12129056

申请日：2008-05-29

申请人： Min Chu Chien ,  Yung-Peng Huang

发明人： Min Chu Chien ,  Yung-Peng Huang

IPC分类号： G05F1/00

CPC分类号： H02M3/1588 ,  H02M3/156 ,  H02M2001/0022 ,  Y02B70/1466

摘要： A PWM controller of a DC-DC converter is provided. The DC-DC converter converts an input voltage into an output voltage and comprises an output inductor coupled between an output of the DC-DC converter and a phase node. A first sense circuit senses a signal from the phase node to generate a first signal corresponding to the input voltage. A second sense circuit senses the signal from the phase node to generate a second signal corresponding to the output voltage. A PWM generator controls a first transistor and a second transistor of the DC-DC converter according to the first and second signals. The first transistor is coupled between the input voltage and the phase node, and the second transistor is coupled between the phase node and a ground.

摘要翻译： 提供DC-DC转换器的PWM控制器。 DC-DC转换器将输入电压转换为输出电压，并且包括耦合在DC-DC转换器的输出端和相位节点之间的输出电感器。 第一感测电路感测来自相位节点的信号以产生对应于输入电压的第一信号。 第二感测电路感测来自相位节点的信号以产生对应于输出电压的第二信号。 PWM发生器根据第一和第二信号控制DC-DC转换器的第一晶体管和第二晶体管。 第一晶体管耦合在输入电压和相位节点之间，第二晶体管耦合在相位节点和地之间。

公开(公告)号：US08018218B2

公开(公告)日：2011-09-13

申请号：US12129056

申请日：2008-05-29

申请人： Min Chu Chien ,  Yung-Peng Huang

发明人： Min Chu Chien ,  Yung-Peng Huang

IPC分类号： G05F5/00

CPC分类号： H02M3/1588 ,  H02M3/156 ,  H02M2001/0022 ,  Y02B70/1466

摘要： A PWM controller of a DC-DC converter is provided. The DC-DC converter converts an input voltage into an output voltage and comprises an output inductor coupled between an output of the DC-DC converter and a phase node. A first sense circuit senses a signal from the phase node to generate a first signal corresponding to the input voltage. A second sense circuit senses the signal from the phase node to generate a second signal corresponding to the output voltage. A PWM generator controls a first transistor and a second transistor of the DC-DC converter according to the first and second signals. The first transistor is coupled between the input voltage and the phase node, and the second transistor is coupled between the phase node and a ground.

摘要翻译： 提供DC-DC转换器的PWM控制器。 DC-DC转换器将输入电压转换为输出电压，并且包括耦合在DC-DC转换器的输出端和相位节点之间的输出电感器。 第一感测电路感测来自相位节点的信号以产生对应于输入电压的第一信号。 第二感测电路感测来自相位节点的信号以产生对应于输出电压的第二信号。 PWM发生器根据第一和第二信号控制DC-DC转换器的第一晶体管和第二晶体管。 第一晶体管耦合在输入电压和相位节点之间，第二晶体管耦合在相位节点和地之间。

公开(公告)号：US07986134B2

公开(公告)日：2011-07-26

申请号：US12234137

申请日：2008-09-19

申请人： Min Chu Chien ,  Yung-Peng Huang

发明人： Min Chu Chien ,  Yung-Peng Huang

IPC分类号： G05F1/40

CPC分类号： H02M3/156

摘要： A power supply controller is provided. The power supply controller includes a switching device, an inductor, a comparator, and a sensing device. The switching device is coupled to an input power source and switches according to a comparing result. The inductor is coupled between the switching device and an output terminal, and conducts an inductor current. The comparator is coupled to the output terminal, a reference power source and a bias voltage, compares the voltage level of the output voltage and the reference voltage, and outputs the comparing result according to the bias voltage. The sensing device is coupled to the inductor and the comparator, senses the inductor current, generates a sensed voltage according to the inductor current, and adjusts the bias voltage according to the sensed voltage.

摘要翻译： 提供电源控制器。 电源控制器包括开关装置，电感器，比较器和感测装置。 开关装置根据比较结果耦合到输入电源并切换。 电感器耦合在开关器件和输出端子之间，并传导电感电流。 比较器耦合到输出端子，参考电源和偏置电压，比较输出电压的电压电平和参考电压，并根据偏置电压输出比较结果。 感测装置耦合到电感器和比较器，感测电感器电流，根据电感器电流产生感测电压，并根据感测到的电压调整偏置电压。

公开(公告)号：US20110031948A1

公开(公告)日：2011-02-10

申请号：US12536086

申请日：2009-08-05

申请人： Min Chu CHIEN ,  Yung-Peng Huang

发明人： Min Chu CHIEN ,  Yung-Peng Huang

IPC分类号： G05F1/10

CPC分类号： H02M3/158 ,  H02M3/156 ,  H02M3/1588 ,  Y02B70/1466

摘要： A DC-DC converter including a Pulse Width Modulation (PWM) controller for converting an input voltage into an output voltage is provided. The PWM controller includes an error amplifier, a comparator, a PWM generator and a ramp generator. The error amplifier generates an error signal according to a difference between a reference voltage and the output voltage. The comparator compares the error signal with a ramp signal to generate a trigger signal. The PWM generator generates a PWM signal with a fixed turn-on time, wherein a frequency of the PWM signal is adjusted according to the trigger signal, the input and output voltages. The ramp generator generates the ramp signal according to the PWM signal, the input voltage and the output voltage.

摘要翻译： 提供了包括用于将输入电压转换为输出电压的脉宽调制（PWM）控制器的DC-DC转换器。 PWM控制器包括误差放大器，比较器，PWM发生器和斜坡发生器。 误差放大器根据参考电压和输出电压之差产生误差信号。 比较器将误差信号与斜坡信号进行比较，以产生触发信号。 PWM发生器产生具有固定接通时间的PWM信号，其中根据触发信号，输入和输出电压调整PWM信号的频率。 斜坡发生器根据PWM信号，输入电压和输出电压产生斜坡信号。