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公开(公告)号：US09024599B2
公开(公告)日：2015-05-05
申请号：US13802815
申请日：2013-03-14
Applicant: uPI Semiconductor Corp.
Inventor： Hua-Chiang Huang
CPC classification number: G05F1/59 , H02M3/1584
Abstract: A multi-phase DC-DC power converter is provided, which includes a pulse width modulation (PWM) controller and a plurality of output stage circuits. The plurality of output stage circuits converts an input voltage into an output voltage. The PWM controller includes a feedback circuit and a PWM generation module. The feedback circuit outputs a trigger signal according to the output voltage and a ramp signal. The PWM generation module at least generates a first PWM signal and a second PWM signal. In addition, a waveform of the first PWM signal partially overlaps a waveform of the second PWM signal at a logic high level.
Abstract translation: 提供了一种多相DC-DC电力转换器，其包括脉宽调制（PWM）控制器和多个输出级电路。 多个输出级电路将输入电压转换为输出电压。 PWM控制器包括反馈电路和PWM生成模块。 反馈电路根据输出电压和斜坡信号输出触发信号。 PWM生成模块至少产生第一PWM信号和第二PWM信号。 此外，第一PWM信号的波形部分地与逻辑高电平的第二PWM信号的波形重叠。
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公开(公告)号：US09000741B2
公开(公告)日：2015-04-07
申请号：US13802790
申请日：2013-03-14
Applicant: uPI Semiconductor Corp.
Inventor： Hua-Chiang Huang
CPC classification number: G05F1/468 , H02M3/1584 , H02M2001/0003
Abstract: A multi-phase DC-DC converter and a controlling method thereof are provided. The multi-phase DC-DC converter includes a plurality of output units, a sensing unit, and a pulse width modulation (PWM) controller. Each of the output units is coupled to one corresponding output inductance of a plurality of output inductances, and each of the output units and the corresponding output inductance have a phase node therebetween. The sensing unit is coupled to the phase nodes to acquire output currents of all phases and provide a plurality of difference voltages that respectively represent current differences of the phases, wherein a value of each of the difference voltages is not zero. The PWM controller adjusts a duty cycle of a PWM signal of the corresponding output unit according to each difference voltage.
Abstract translation: 提供了一种多相DC-DC转换器及其控制方法。 多相DC-DC转换器包括多个输出单元，感测单元和脉冲宽度调制（PWM）控制器。 每个输出单元耦合到多个输出电感的一个对应的输出电感，并且每个输出单元和相应的输出电感在它们之间具有相位节点。 感测单元耦合到相位节点以获取所有相位的输出电流，并且提供分别表示相位的电流差的多个差分电压，其中每个差分电压的值不为零。 PWM控制器根据每个差分电压调整相应输出单元的PWM信号的占空比。
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公开(公告)号：US09178417B2
公开(公告)日：2015-11-03
申请号：US14255964
申请日：2014-04-18
Applicant: uPI Semiconductor Corp.
Inventor： Hua-Chiang Huang
CPC classification number: H02M3/156 , H02M1/44 , H02M3/157 , H02M2001/0025 , H02M2001/0032 , Y02B70/16
Abstract: A DC-DC converter is provided. When a load of the DC-DC converter is too light, the DC-DC converter can raise a frequency of its PWM signal, and reduce a pulse width of the PWM signal, so as to avoid the frequency of the PWM signal falling into a frequency range that can heard by human's ear and maintain high conversion efficiency of the DC-DC converter.
Abstract translation: 提供DC-DC转换器。 当DC-DC转换器的负载太轻时，DC-DC转换器可以提高其PWM信号的频率，并减小PWM信号的脉冲宽度，以避免PWM信号的频率落入 频率范围可以听到人耳，并保持DC-DC转换器的高转换效率。
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公开(公告)号：US20140176091A1
公开(公告)日：2014-06-26
申请号：US13798171
申请日：2013-03-13
Applicant: UPI SEMICONDUCTOR CORP.
Inventor： Chu-Yi Chiang , Hua-Chiang Huang
IPC: H02M3/04
CPC classification number: H02M3/158 , H02M3/1584 , H02M2003/1566
Abstract: A DC-DC controller and a control method thereof are provided. The DC-DC controller is coupled to an output stage. The output stage receives an input voltage and provides an output voltage. The DC-DC controller includes a transient boost circuit, a ramp oscillator, a combination logic circuit, a first comparator and a pulse width modulation (PWM) generator. The transient boost circuit generates an adjusting signal according to a variation of the output voltage. The combination logic circuit controls the ramp oscillator to generate a ramp signal according to the adjusting signal. The first comparator generates a first signal according to the ramp signal and an outputted feedback voltage related to the output voltage. The PWM generator generates a PWM signal according to the first signal, so as to control the operations of the output stage.
Abstract translation: 提供DC-DC控制器及其控制方法。 DC-DC控制器耦合到输出级。 输出级接收输入电压并提供输出电压。 DC-DC控制器包括瞬态升压电路，斜坡振荡器，组合逻辑电路，第一比较器和脉冲宽度调制（PWM）发生器。 瞬态升压电路根据输出电压的变化产生调整信号。 组合逻辑电路控制斜坡振荡器，以根据调整信号产生斜坡信号。 第一比较器根据斜坡信号和与输出电压相关的输出反馈电压产生第一信号。 PWM发生器根据第一信号生成PWM信号，以控制输出级的操作。
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公开(公告)号：US09859883B2
公开(公告)日：2018-01-02
申请号：US14269204
申请日：2014-05-05
Applicant: uPI Semiconductor Corp.
Inventor： Hua-Chiang Huang
CPC classification number: H03K17/162 , H03K5/1515 , H03K2217/0081
Abstract: A gate driver and a control method thereof are provided. The gate driver is coupled to a capacitor. The gate driver includes a timing control circuit and a switch unit. The switch unit is coupled to the timing control circuit, the capacitor and a working voltage. The timing control circuit receives an input control signal and performs a timing control to the input control signal to generate a first control signal and a second control signal. The switch unit includes a first switch element and a second switch element. The second switch element controls a body voltage of the first switch element according to the second control signal. The switch unit enables the working voltage to charge the capacitor via the switch unit according to the first control signal and the second control signal.
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Patent Agency Ranking
公开(公告)号：US20150263620A1
公开(公告)日：2015-09-17
申请号：US14269204
申请日：2014-05-05
Applicant: uPI Semiconductor Corp.
Inventor： Hua-Chiang Huang
IPC: H02M3/158
CPC classification number: H03K17/162 , H03K5/1515 , H03K2217/0081
Abstract: A gate driver and a control method thereof are provided. The gate driver is coupled to a capacitor. The gate driver includes a timing control circuit and a switch unit. The switch unit is coupled to the timing control circuit, the capacitor and a working voltage. The timing control circuit receives an input control signal and performs a timing control to the input control signal to generate a first control signal and a second control signal. The switch unit includes a first switch element and a second switch element. The second switch element controls a body voltage of the first switch element according to the second control signal. The switch unit enables the working voltage to charge the capacitor via the switch unit according to the first control signal and the second control signal.
Abstract translation: 提供了栅极驱动器及其控制方法。 栅极驱动器耦合到电容器。 门驱动器包括定时控制电路和开关单元。 开关单元耦合到定时控制电路，电容器和工作电压。 定时控制电路接收输入控制信号并对输入控制信号执行定时控制，以产生第一控制信号和第二控制信号。 开关单元包括第一开关元件和第二开关元件。 第二开关元件根据第二控制信号控制第一开关元件的体电压。 开关单元使得工作电压可以根据第一控制信号和第二控制信号通过开关单元对电容器充电。
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公开(公告)号：US20140225583A1
公开(公告)日：2014-08-14
申请号：US14255964
申请日：2014-04-18
Applicant: uPI Semiconductor Corp.
Inventor： Hua-Chiang Huang
CPC classification number: H02M3/156 , H02M1/44 , H02M3/157 , H02M2001/0025 , H02M2001/0032 , Y02B70/16
Abstract: A DC-DC converter is provided. When a load of the DC-DC converter is too light, the DC-DC converter can raise a frequency of its PWM signal, and reduce a pulse width of the PWM signal, so as to avoid the frequency of the PWM signal falling into a frequency range that can heard by human's ear and maintain high conversion efficiency of the DC-DC converter.
Abstract translation: 提供DC-DC转换器。 当DC-DC转换器的负载太轻时，DC-DC转换器可以提高其PWM信号的频率，并减小PWM信号的脉冲宽度，以避免PWM信号的频率落入 频率范围可以听到人耳，并保持DC-DC转换器的高转换效率。
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公开(公告)号：US20140176097A1
公开(公告)日：2014-06-26
申请号：US13802815
申请日：2013-03-14
Applicant: UPI SEMICONDUCTOR CORP.
Inventor： Hua-Chiang Huang
IPC: G05F1/59
CPC classification number: G05F1/59 , H02M3/1584
Abstract: A multi-phase DC-DC power converter is provided, which includes a pulse width modulation (PWM) controller and a plurality of output stage circuits. The plurality of output stage circuits converts an input voltage into an output voltage. The PWM controller includes a feedback circuit and a PWM generation module. The feedback circuit outputs a trigger signal according to the output voltage and a ramp signal. The PWM generation module at least generates a first PWM signal and a second PWM signal. In addition, a waveform of the first PWM signal partially overlaps a waveform of the second PWM signal at a logic high level.
Abstract translation: 提供了一种多相DC-DC电力转换器，其包括脉宽调制（PWM）控制器和多个输出级电路。 多个输出级电路将输入电压转换为输出电压。 PWM控制器包括反馈电路和PWM生成模块。 反馈电路根据输出电压和斜坡信号输出触发信号。 PWM生成模块至少产生第一PWM信号和第二PWM信号。 此外，第一PWM信号的波形部分地与逻辑高电平的第二PWM信号的波形重叠。
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公开(公告)号：US08947065B2
公开(公告)日：2015-02-03
申请号：US13798171
申请日：2013-03-13
Applicant: uPI Semiconductor Corp.
Inventor： Chu-Yi Chiang , Hua-Chiang Huang
CPC classification number: H02M3/158 , H02M3/1584 , H02M2003/1566
Abstract: A DC-DC controller and a control method thereof are provided. The DC-DC controller is coupled to an output stage. The output stage receives an input voltage and provides an output voltage. The DC-DC controller includes a transient boost circuit, a ramp oscillator, a combination logic circuit, a first comparator and a pulse width modulation (PWM) generator. The transient boost circuit generates an adjusting signal according to a variation of the output voltage. The combination logic circuit controls the ramp oscillator to generate a ramp signal according to the adjusting signal. The first comparator generates a first signal according to the ramp signal and an outputted feedback voltage related to the output voltage. The PWM generator generates a PWM signal according to the first signal, so as to control the operations of the output stage.
Abstract translation: 提供DC-DC控制器及其控制方法。 DC-DC控制器耦合到输出级。 输出级接收输入电压并提供输出电压。 DC-DC控制器包括瞬态升压电路，斜坡振荡器，组合逻辑电路，第一比较器和脉冲宽度调制（PWM）发生器。 瞬态升压电路根据输出电压的变化产生调整信号。 组合逻辑电路控制斜坡振荡器，以根据调整信号产生斜坡信号。 第一比较器根据斜坡信号和与输出电压相关的输出反馈电压产生第一信号。 PWM发生器根据第一信号生成PWM信号，以控制输出级的操作。
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公开(公告)号：US20140197810A1
公开(公告)日：2014-07-17
申请号：US13802790
申请日：2013-03-14
Applicant: UPI SEMICONDUCTOR CORP.
Inventor： Hua-Chiang Huang
IPC: G05F1/46
CPC classification number: G05F1/468 , H02M3/1584 , H02M2001/0003
Abstract: A multi-phase DC-DC converter and a controlling method thereof are provided. The multi-phase DC-DC converter includes a plurality of output units, a sensing unit, and a pulse width modulation (PWM) controller. Each of the output units is coupled to one corresponding output inductance of a plurality of output inductances, and each of the output units and the corresponding output inductance have a phase node therebetween. The sensing unit is coupled to the phase nodes to acquire output currents of all phases and provide a plurality of difference voltages that respectively represent current differences of the phases, wherein a value of each of the difference voltages is not zero. The PWM controller adjusts a duty cycle of a PWM signal of the corresponding output unit according to each difference voltage.
Abstract translation: 提供了一种多相DC-DC转换器及其控制方法。 多相DC-DC转换器包括多个输出单元，感测单元和脉冲宽度调制（PWM）控制器。 每个输出单元耦合到多个输出电感的一个对应的输出电感，并且每个输出单元和相应的输出电感在它们之间具有相位节点。 感测单元耦合到相位节点以获取所有相位的输出电流，并且提供分别表示相位的电流差的多个差分电压，其中每个差分电压的值不为零。 PWM控制器根据每个差分电压调整相应输出单元的PWM信号的占空比。
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