公开(公告)号：US09389623B2

公开(公告)日：2016-07-12

申请号：US14135583

申请日：2013-12-20

Applicant: NOVATEK Microelectronics Corp.

Inventor： Min-Hung Hu ,  Pin-Han Su ,  Chen-Tsung Wu ,  Chiu-Huang Huang ,  Chun-Wei Huang

IPC: H02M1/00 ,  G05F1/56

CPC classification number: G05F1/56

Abstract: A voltage converting device with a self-reference feature for an electronic system includes a differential current generating module, implemented in a Complementary metal-oxide-semiconductor (CMOS) processing for generating a differential current pair according to a converting voltage; and a voltage converting module, coupled to the differential current generating module, a first supply voltage and a second supply voltage of the electronic system for generating the converting voltage according to the differential current pair, the first supply voltage and the second supply voltage.

Abstract translation: 具有用于电子系统的自参考特征的电压转换装置包括：差分电流产生模块，用于根据转换电压产生差动电流对的互补金属氧化物半导体（CMOS）处理; 以及耦合到所述差分电流产生模块的电压转换模块，所述电子系统的第一电源电压和第二电源电压用于根据所述差动电流对，所述第一电源电压和所述第二电源电压产生转换电压。

公开(公告)号：US20140306676A1

公开(公告)日：2014-10-16

申请号：US14228235

申请日：2014-03-27

Applicant: NOVATEK Microelectronics Corp.

Inventor： Min-Hung Hu ,  Pin-Han Su ,  Chun-Wei Huang ,  Chen-Tsung Wu ,  Chiu-Huang Huang

IPC: G05F1/575

CPC classification number: G05F1/575 ,  G05F1/56

Abstract: A compensation module for a voltage regulation device having a gain stage, an output stage and a miller compensation module includes a low-output-impedance non-inverting amplifier unit coupled to a gain output of the gain stage and an output-stage input of the output stage.

Abstract translation: 具有增益级，输出级和铣刀补偿模块的电压调节装置的补偿模块包括耦合到增益级的增益输出的低输出阻抗非反相放大器单元和输出级输入 输出阶段。

公开(公告)号：US20140091780A1

公开(公告)日：2014-04-03

申请号：US13928346

申请日：2013-06-26

Applicant: Novatek Microelectronics Corp.

Inventor： Min-Hung Hu ,  Chiu-Huang Huang ,  Chen-Tsung Wu ,  Juin-Wei Huang ,  Pin-Han Su

IPC: G05F1/46

CPC classification number: G05F1/462 ,  G05F3/30

Abstract: A reference voltage generator including a reference voltage generating unit is provided. The reference voltage generating unit receives a first bias voltage current and a first mirror current and generates a reference voltage. The reference voltage generating unit includes a first metal-oxide-semiconductor (MOS) transistor, a second MOS transistor, a first impedance providing element and a second impedance providing element. The first and the second MOS transistors operate in a sub-threshold region so as to generate a first gate-source voltage and a second gate-source voltage having a negative temperature coefficient. The first impedance providing element is configured to generate a first current having a positive temperature coefficient. The second impedance providing element is configured to generate a first voltage having a negative temperature coefficient at its first terminal. The reference voltage is equal to a sum of the second gate-source voltage and the first voltage.

Abstract translation: 提供了包括参考电压产生单元的参考电压发生器。 参考电压产生单元接收第一偏置电压电流和第一反射镜电流并产生参考电压。 参考电压产生单元包括第一金属氧化物半导体（MOS）晶体管，第二MOS晶体管，第一阻抗提供元件和第二阻抗提供元件。 第一和第二MOS晶体管在亚阈值区域中工作，以产生具有负温度系数的第一栅极 - 源极电压和第二栅极 - 源极电压。 第一阻抗提供元件被配置为产生具有正温度系数的第一电流。 第二阻抗提供元件被配置为在其第一端产生具有负温度系数的第一电压。 参考电压等于第二栅极 - 源极电压和第一电压的和。

公开(公告)号：US20190072435A1

公开(公告)日：2019-03-07

申请号：US15695021

申请日：2017-09-05

Applicant: NOVATEK Microelectronics Corp.

Inventor： Ying-Chieh Yen ,  Min-Hung Hu ,  Yuan-Te Chen ,  Cun-Kai Zhao ,  Chien-Chuan Huang

IPC: G01K7/16

CPC classification number: G01K7/16 ,  G01K7/01 ,  G01K7/21 ,  G01K2219/00 ,  G02F1/133382 ,  H02H1/0007 ,  H02H5/042

Abstract: A temperature sensor includes a plurality of temperature coefficient voltage generators, one or more converters and at least one variable voltage or current source. The temperature coefficient voltage generators are used for generating multiple temperature coefficient voltages. The converters, coupled to the temperature coefficient voltage generators, are used for converting the temperature coefficient voltages to digital values. The at least one variable voltage or current source, each coupled to at least one of the temperature coefficient voltage generators, includes a first variable voltage or current source for outputting a first voltage or current in a first time period, and outputting a second voltage or current in a second time period, wherein the second voltage or current is different from the first voltage or current such that there exists a shift between a first voltage-temperature curve in the first time period and a second voltage-temperature curve in the second time period.

公开(公告)号：US09971370B2

公开(公告)日：2018-05-15

申请号：US14887287

申请日：2015-10-19

Applicant: Novatek Microelectronics Corp.

Inventor： Min-Hung Hu ,  Chiu-Huang Huang ,  Chen-Tsung Wu ,  Juin-Wei Huang ,  Pin-Han Su

IPC: G05F1/575 ,  G05F1/565 ,  G05F1/59

CPC classification number: G05F1/575 ,  G05F1/565 ,  G05F1/59

Abstract: A voltage regulator including a voltage amplifier, a first output-stage, an AC-pass filter, a current amplifier, a second output-stage and a gain circuit is provided. Output terminals of the first and the second output-stages jointly provide the output voltage of the voltage regulator. Two input terminals of the voltage amplifier respectively receive a reference voltage and the output voltage. An input terminal of the first output-stage is coupled to an output terminal of the voltage amplifier. Two input terminals of the current amplifier respectively receive a reference current and the AC component of the output voltage. An input terminal of the second output-stage is coupled to an output terminal of the current amplifier. An input terminal of the gain circuit is coupled to the output terminal of the voltage amplifier. An output terminal of the gain circuit is coupled to the input terminal of the second output-stage.

公开(公告)号：US09093896B2

公开(公告)日：2015-07-28

申请号：US14536292

申请日：2014-11-07

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Min-Hung Hu ,  Chiu-Huang Huang ,  Chen-Tsung Wu

IPC: H03F1/34 ,  H02M1/08 ,  H03F3/45 ,  H02M1/00

CPC classification number: H02M1/08 ,  H02M2001/0003 ,  H03F3/45183 ,  H03F3/45192 ,  H03F2203/45674

Abstract: A multi-power domain operational amplifier includes an input stage circuit, a power domain transforming circuit and an active load. The input stage circuit is configured to transform a set of input voltages into a set of input currents in a first power domain. The power domain transforming circuit is configured to transform the set of input currents into a set of output currents in a second power domain. The active load is configured to generate an output voltage according to the set of output currents. A common mode range of the output voltage is shifted as compared with a common mode range of the set of input voltages.

公开(公告)号：US20150042297A1

公开(公告)日：2015-02-12

申请号：US14135583

申请日：2013-12-20

Applicant: NOVATEK Microelectronics Corp.

Inventor： Min-Hung Hu ,  Pin-Han Su ,  Chen-Tsung Wu ,  Chiu-Huang Huang ,  Chun-Wei Huang

IPC: H02M1/00

CPC classification number: G05F1/56

Abstract: A voltage converting device with a self-reference feature for an electronic system includes a differential current generating module, implemented in a Complementary metal-oxide-semiconductor (CMOS) processing for generating a differential current pair according to a converting voltage; and a voltage converting module, coupled to the differential current generating module, a first supply voltage and a second supply voltage of the electronic system for generating the converting voltage according to the differential current pair, the first supply voltage and the second supply voltage.

Abstract translation: 具有用于电子系统的自参考特征的电压转换装置包括：差分电流产生模块，用于根据转换电压产生差动电流对的互补金属氧化物半导体（CMOS）处理; 以及耦合到所述差分电流产生模块的电压转换模块，所述电子系统的第一电源电压和第二电源电压用于根据所述差动电流对，所述第一电源电压和所述第二电源电压产生转换电压。

公开(公告)号：US20140077789A1

公开(公告)日：2014-03-20

申请号：US14016132

申请日：2013-09-01

Applicant: NOVATEK Microelectronics Corp.

Inventor： Min-Hung Hu ,  Chiu-Huang Huang ,  Chen-Tsung Wu

IPC: G05F3/02

CPC classification number: G05F3/02 ,  G05F3/30

Abstract: The present invention discloses a bandgap reference circuit. The bandgap reference circuit includes an operational transconductance amplifier, and a reference generation circuit. The operational transconductance amplifier includes a self-biased operational transconductance amplifier, for utilizing an area difference between bipolar junction transistors of an input pair to generate a first positive temperature coefficient current to bias the input pair, and generating a positive temperature coefficient control voltage and a negative temperature coefficient control voltage; and a feedback voltage amplifier, for amplifying the negative temperature coefficient control voltage, and outputting a reference voltage to the input pair for feedback, to generate a first negative temperature coefficient current. The reference generation circuit generates a summation voltage or a summation current according to the positive temperature coefficient control voltage and the negative temperature coefficient control voltage.

Abstract translation: 本发明公开了一种带隙参考电路。 带隙基准电路包括一个运算跨导放大器和一个参考产生电路。 运算跨导放大器包括自偏置运算跨导放大器，用于利用输入对的双极结型晶体管之间的面积差产生第一正温度系数电流以偏置输入对，并产生正温度系数控制电压和 负温度系数控制电压; 以及反馈电压放大器，用于放大负温度系数控制电压，并将输出参考电压输出到输入对以进行反馈，以产生第一负温度系数电流。 参考产生电路根据正温度系数控制电压和负温度系数控制电压产生求和电压或求和电流。