公开(公告)号：US20140340066A1

公开(公告)日：2014-11-20

申请号：US14251658

申请日：2014-04-14

Applicant: uPI Semiconductor Corp.

Inventor： Ya-Ping Chen ,  Wei-Ling Chen

IPC: H02M3/156

CPC classification number: H02M3/156 ,  H02M3/1563 ,  H02M2003/1566

Abstract: A timing generator for a power converter is provided. The timing generator includes a threshold voltage generation circuit and a timing generation unit. The threshold voltage generation circuit receives an error signal related to an output voltage of the power converter. The threshold voltage generation circuit generates a threshold voltage according to the error signal. The timing generation unit generates a timing signal according to the error signal, the threshold voltage and a control signal. The timing generation unit provides a tracking signal. A width of the timing signal depends on a time when tracking signal departed from a level of the error signal to a level of the threshold voltage. The present invention also provides a timing signal generation method for the power converter.

Abstract translation: 提供了一种用于功率转换器的定时发生器。 定时发生器包括阈值电压产生电路和定时产生单元。 阈值电压产生电路接收与功率转换器的输出电压相关的误差信号。 阈值电压产生电路根据误差信号产生阈值电压。 定时生成单元根据误差信号，阈值电压和控制信号生成定时信号。 定时生成单元提供跟踪信号。 定时信号的宽度取决于跟踪信号从误差信号的电平偏离到阈值电压的电平的时间。 本发明还提供了一种用于功率转换器的定时信号产生方法。

公开(公告)号：US20140167716A1

公开(公告)日：2014-06-19

申请号：US14102574

申请日：2013-12-11

Applicant: uPI semiconductor corp.

Inventor： Wei-Ling Chen

IPC: H02M3/158

CPC classification number: H02M3/156

Abstract: A DC-DC converter including an output stage, a feedback loop, a pulse-width modulation (PWM) generating circuit, and a driving circuit is disclosed. The output stage is coupled to an input voltage and an output inductor to provide an output voltage. The feedback loop is coupled to the output inductor and receives the output voltage to generate a control signal. The PWM generating circuit is coupled to the feedback loop and receives the control signal. The PWM generating circuit also includes a timing signal generating unit which makes the PWM generating circuit to generate a PWM signal according to a correction voltage. The correction voltage is reacted in the output voltage and a first current source related to the input voltage.The driving circuit is coupled to the output stage and the PWM generating circuit and receives the PWM signal to control the operation of the output stage.

Abstract translation: 公开了一种包括输出级，反馈回路，脉冲宽度调制（PWM）发生电路和驱动电路的DC-DC转换器。 输出级耦合到输入电压和输出电感器以提供输出电压。 反馈环路耦合到输出电感器并接收输出电压以产生控制信号。 PWM产生电路耦合到反馈回路并接收控制信号。 PWM发生电路还包括定时信号生成单元，其使得PWM生成电路根据校正电压生成PWM信号。 校正电压在输出电压和与输入电压相关的第一电流源上反应。 驱动电路耦合到输出级和PWM发生电路，并接收PWM信号以控制输出级的操作。

公开(公告)号：US09270172B2

公开(公告)日：2016-02-23

申请号：US14102574

申请日：2013-12-11

Applicant: uPI semiconductor corp.

Inventor： Wei-Ling Chen

IPC: H02M3/156

CPC classification number: H02M3/156

Abstract: A DC-DC converter including an output stage, a feedback loop, a pulse-width modulation (PWM) generating circuit, and a driving circuit is disclosed. The output stage is coupled to an input voltage and an output inductor to provide an output voltage. The feedback loop is coupled to the output inductor and receives the output voltage to generate a control signal. The PWM generating circuit is coupled to the feedback loop and receives the control signal. The PWM generating circuit also includes a timing signal generating unit which makes the PWM generating circuit to generate a PWM signal according to a correction voltage. The correction voltage is reacted in the output voltage and a first current source related to the input voltage. The driving circuit is coupled to the output stage and the PWM generating circuit and receives the PWM signal to control the operation of the output stage.

Abstract translation: 公开了一种包括输出级，反馈回路，脉冲宽度调制（PWM）发生电路和驱动电路的DC-DC转换器。 输出级耦合到输入电压和输出电感器以提供输出电压。 反馈环路耦合到输出电感器并接收输出电压以产生控制信号。 PWM产生电路耦合到反馈回路并接收控制信号。 PWM发生电路还包括定时信号生成单元，其使得PWM生成电路根据校正电压生成PWM信号。 校正电压在输出电压和与输入电压相关的第一电流源上反应。 驱动电路耦合到输出级和PWM发生电路，并接收PWM信号以控制输出级的操作。

公开(公告)号：US09104213B2

公开(公告)日：2015-08-11

申请号：US13798147

申请日：2013-03-13

Applicant: uPI Semiconductor Corp.

Inventor： Hung-Hsuan Cheng ,  Wei-Ling Chen

IPC: G05F3/02 ,  G06F1/22

CPC classification number: G05F3/02 ,  G06F1/22

Abstract: An integrated circuit with multi-functional parameter setting and a multi-functional parameter setting method thereof are provided. The multi-functional parameter setting method includes the following steps: providing the integrated circuit, wherein the integrated circuit includes a multi-functional pin and a switch unit, wherein the multi-functional pin is coupled to an external setting unit, and the switch unit includes an operational amplifier; sensing a programmable reference voltage of the external setting unit through one operation of the switch unit and executing a first function setting according to the programmable reference voltage; and sensing a programmable reference current related to the external setting unit through another operation of the switch unit and executing a second function setting according to the programmable reference current, wherein a value of the programmable reference current is related to the programmable reference voltage.

Abstract translation: 提供具有多功能参数设定的集成电路及其多功能参数设定方法。 多功能参数设定方法包括以下步骤：提供集成电路，其中所述集成电路包括多功能引脚和开关单元，其中所述多功能引脚耦合到外部设置单元，并且所述开关单元 包括运算放大器; 通过开关单元的一个操作来感测外部设置单元的可编程参考电压，并根据可编程参考电压执行第一功能设置; 以及通过所述开关单元的另一操作来感测与所述外部设置单元相关的可编程参考电流，并且根据所述可编程参考电流执行第二功能设置，其中所述可编程参考电流的值与所述可编程参考电压相关。

公开(公告)号：USRE46138E1

公开(公告)日：2016-09-06

申请号：US14992021

申请日：2016-01-11

Applicant: uPI Semiconductor Corp.

Inventor： Hung-Hsuan Cheng ,  Wei-Ling Chen

IPC: G05F3/02 ,  G06F1/22

CPC classification number: G05F3/02 ,  G06F1/22

Abstract: An integrated circuit with multi-functional parameter setting and a multi-functional parameter setting method thereof are provided. The multi-functional parameter setting method includes the following steps: providing the integrated circuit, wherein the integrated circuit includes a multi-functional pin and a switch unit, wherein the multi-functional pin is coupled to an external setting unit, and the switch unit includes an operational amplifier; sensing a programmable reference voltage of the external setting unit through one operation of the switch unit and executing a first function setting according to the programmable reference voltage; and sensing a programmable reference current related to the external setting unit through another operation of the switch unit and executing a second function setting according to the programmable reference current. wherein a value of the programmable reference current is related to the programmable reference voltage.

Abstract translation: 提供具有多功能参数设定的集成电路及其多功能参数设定方法。 多功能参数设定方法包括以下步骤：提供集成电路，其中所述集成电路包括多功能引脚和开关单元，其中所述多功能引脚耦合到外部设置单元，并且所述开关单元 包括运算放大器; 通过开关单元的一个操作来感测外部设置单元的可编程参考电压，并根据可编程参考电压执行第一功能设置; 以及通过所述开关单元的另一操作来感测与所述外部设置单元相关的可编程参考电流，并根据所述可编程参考电流执行第二功能设置。 其中所述可编程参考电流的值与所述可编程参考电压相关。

公开(公告)号：US20150022170A1

公开(公告)日：2015-01-22

申请号：US14259168

申请日：2014-04-23

Applicant: uPI Semiconductor Corp.

Inventor： Wei-Ling Chen

IPC: H02M3/158

CPC classification number: H02M3/158 ,  H02M2001/0006 ,  H03K2217/0063 ,  H03K2217/0072 ,  H03K2217/0081

Abstract: A driver and a driving control method for a power converter are provided. The driver includes a level shift circuit, a negative voltage generator and a first PMOS transistor. The level shift circuit provides an output signal, wherein the output signal has a first operation voltage and a second operation voltage. When the output signal received by the negative voltage generator is the first operation voltage, the negative voltage generator outputs the first operation voltage. When the output signal received by the negative voltage generator is the second operation voltage, the negative voltage generator generates and outputs a third operation voltage, and the third operation voltage is lower than the second operation voltage. A control terminal of the first PMOS transistor is coupled to an output terminal of the negative voltage generator. An output terminal of the first PMOS transistor provides a driving voltage.

Abstract translation: 提供了一种用于功率转换器的驱动器和驱动控制方法。 驱动器包括电平移位电路，负电压发生器和第一PMOS晶体管。 电平移位电路提供输出信号，其中输出信号具有第一操作电压和第二操作电压。 当由负电压发生器接收到的输出信号是第一操作电压时，负电压发生器输出第一操作电压。 当由负电压发生器接收到的输出信号是第二操作电压时，负电压发生器产生并输出第三操作电压，并且第三操作电压低于第二操作电压。 第一PMOS晶体管的控制端子耦合到负电压发生器的输出端子。 第一PMOS晶体管的输出端提供驱动电压。

公开(公告)号：US20140218004A1

公开(公告)日：2014-08-07

申请号：US13798147

申请日：2013-03-13

Applicant: UPI SEMICONDUCTOR CORP.

Inventor： Hung-Hsuan Cheng ,  Wei-Ling Chen

IPC: G05F3/02

CPC classification number: G05F3/02 ,  G06F1/22

Abstract: An integrated circuit with multi-functional parameter setting and a multi-functional parameter setting method thereof are provided. The multi-functional parameter setting method includes the following steps: providing the integrated circuit, wherein the integrated circuit includes a multi-functional pin and a switch unit, wherein the multi-functional pin is coupled to an external setting unit, and the switch unit includes an operational amplifier; sensing a programmable reference voltage of the external setting unit through one operation of the switch unit and executing a first function setting according to the programmable reference voltage; and sensing a programmable reference current related to the external setting unit through another operation of the switch unit and executing a second function setting according to the programmable reference current, wherein a value of the programmable reference current is related to the programmable reference voltage.

Abstract translation: 提供具有多功能参数设定的集成电路及其多功能参数设定方法。 多功能参数设定方法包括以下步骤：提供集成电路，其中所述集成电路包括多功能引脚和开关单元，其中所述多功能引脚耦合到外部设置单元，并且所述开关单元 包括运算放大器; 通过开关单元的一个操作来感测外部设置单元的可编程参考电压，并根据可编程参考电压执行第一功能设置; 以及通过所述开关单元的另一操作来感测与所述外部设置单元相关的可编程参考电流，并且根据所述可编程参考电流执行第二功能设置，其中所述可编程参考电流的值与所述可编程参考电压相关。

公开(公告)号：US09467044B2

公开(公告)日：2016-10-11

申请号：US14251658

申请日：2014-04-14

Applicant: uPI Semiconductor Corp.

Inventor： Ya-Ping Chen ,  Wei-Ling Chen

IPC: H02M3/156

CPC classification number: H02M3/156 ,  H02M3/1563 ,  H02M2003/1566

Abstract: A timing generator for a power converter is provided. The timing generator includes a threshold voltage generation circuit and a timing generation unit. The threshold voltage generation circuit receives an error signal related to an output voltage of the power converter. The threshold voltage generation circuit generates a threshold voltage according to the error signal. The timing generation unit generates a timing signal according to the error signal, the threshold voltage and a control signal. The timing generation unit provides a tracking signal. A width of the timing signal depends on a time when tracking signal departed from a level of the error signal to a level of the threshold voltage. The present invention also provides a timing signal generation method for the power converter.

Abstract translation: 提供了一种用于功率转换器的定时发生器。 定时发生器包括阈值电压产生电路和定时产生单元。 阈值电压产生电路接收与功率转换器的输出电压相关的误差信号。 阈值电压产生电路根据误差信号产生阈值电压。 定时生成单元根据误差信号，阈值电压和控制信号生成定时信号。 定时生成单元提供跟踪信号。 定时信号的宽度取决于跟踪信号从误差信号的电平偏离到阈值电压的电平的时间。 本发明还提供了一种用于功率转换器的定时信号产生方法。

公开(公告)号：US08816746B2

公开(公告)日：2014-08-26

申请号：US13781772

申请日：2013-03-01

Applicant: uPI Semiconductor Corp.

Inventor： Wei-Jhih Wen ,  Ting-Hung Wang ,  Sheng-Hsuan Wang ,  Wei-Ling Chen

IPC: H03L5/00

CPC classification number: G05F3/02 ,  G05F1/462

Abstract: An integrated circuit with multi-functional parameter setting and a multi-functional parameter setting method of the integrated circuit are provided. The multi-functional parameter setting method includes following steps: providing the integrated circuit which includes a switch unit and a multi-functional pin that is coupled to an external setting unit, sensing a programmable reference voltage of the external setting unit through one operation of the switch unit and executing a first function setting according to the programmable reference voltage, and sensing a programmable reference current of the external setting unit through another operation of the switch unit and executing a second function setting according to the programmable reference current.

Abstract translation: 提供了具有多功能参数设置的集成电路和集成电路的多功能参数设置方法。 多功能参数设定方法包括以下步骤：提供集成电路，其包括开关单元和耦合到外部设置单元的多功能引脚，通过所述外部设置单元的一个操作来感测外部设置单元的可编程参考电压 开关单元，并且根据可编程参考电压执行第一功能设置，并且通过开关单元的另一操作来感测外部设置单元的可编程参考电流，并根据可编程参考电流执行第二功能设置。

公开(公告)号：US20140132324A1

公开(公告)日：2014-05-15

申请号：US13781772

申请日：2013-03-01

Applicant: UPI SEMICONDUCTOR CORP.

Inventor： Wei-Jhih Wen ,  Ting-Hung Wang ,  Sheng-Hsuan Wang ,  Wei-Ling Chen

IPC: G05F3/02

CPC classification number: G05F3/02 ,  G05F1/462

Abstract: An integrated circuit with multi-functional parameter setting and a multi-functional parameter setting method of the integrated circuit are provided. The multi-functional parameter setting method includes following steps: providing the integrated circuit which includes a switch unit and a multi-functional pin that is coupled to an external setting unit, sensing a programmable reference voltage of the external setting unit through one operation of the switch unit and executing a first function setting according to the programmable reference voltage, and sensing a programmable reference current of the external setting unit through another operation of the switch unit and executing a second function setting according to the programmable reference current.

Abstract translation: 提供了具有多功能参数设置的集成电路和集成电路的多功能参数设置方法。 多功能参数设定方法包括以下步骤：提供集成电路，其包括开关单元和耦合到外部设置单元的多功能引脚，通过所述外部设置单元的一个操作来感测外部设置单元的可编程参考电压 开关单元，并且根据可编程参考电压执行第一功能设置，并且通过开关单元的另一操作来感测外部设置单元的可编程参考电流，并根据可编程参考电流执行第二功能设置。