公开(公告)号：US20110127985A1

公开(公告)日：2011-06-02

申请号：US12725465

申请日：2010-03-17

申请人： Ming-Heng Tsai ,  Yi-Chung Chou

发明人： Ming-Heng Tsai ,  Yi-Chung Chou

IPC分类号： G05F1/10

CPC分类号： H02M3/156 ,  H02M1/44

摘要： A voltage converting apparatus is disclosed. The voltage converting apparatus mentioned above includes an error comparator. The error comparator receives a feedback voltage and a reference voltage and generates a control signal according to the feedback voltage and the reference voltage. Moreover, the error comparator includes a differential pair, a first current source, and an offset voltage controlling circuit. The offset voltage controlling circuit receives a ramp enabling signal and adjusts a bias current flowing through at least one of a first and a second output terminal of the differential pair according to the ramp enabling signal.

摘要翻译： 公开了电压转换装置。 上述电压转换装置包括误差比较器。 误差比较器接收反馈电压和参考电压，并根据反馈电压和参考电压产生控制信号。 此外，误差比较器包括差分对，第一电流源和偏移电压控制电路。 偏移电压控制电路接收斜坡使能信号并且根据斜坡使能信号来调节流过差分对的第一和第二输出端中的至少一个的偏置电流。

公开(公告)号：US08098027B2

公开(公告)日：2012-01-17

申请号：US12238455

申请日：2008-09-26

申请人： Ming-Heng Tsai ,  Yi-Chung Chou

发明人： Ming-Heng Tsai ,  Yi-Chung Chou

IPC分类号： G05F1/00 ,  H05B37/02 ,  H05B39/04 ,  H05B41/36 ,  H05B37/00 ,  H05B39/00 ,  H05B39/02 ,  H05B41/00

CPC分类号： H05B33/0815

摘要： A light-emitting device driving circuit and a method thereof are provided. A terminal of a light-emitting device is coupled to a supply voltage and a cathode of a diode via an inductor, and the other terminal is coupled to an anode of the diode. The light-emitting device driving circuit includes a switch, a current-sensing circuit, and a switch control circuit. The current-sensing circuit is coupled to the anode of the diode via the switch to determine whether or not to generate a turning-off control signal according to a conducting-current value of the switch. The switch control circuit controls an on/off state of the switch, and turns off the switch according to the turning-off control signal. Besides, the switch control circuit compares the conducting-current value with a reference-current value to generate a comparing result to dynamically adjust a time length of turning off the switch accordingly.

摘要翻译： 提供一种发光器件驱动电路及其方法。 发光器件的端子通过电感器耦合到二极管的电源电压和阴极，而另一个端子耦合到二极管的阳极。 发光器件驱动电路包括开关，电流检测电路和开关控制电路。 电流感测电路经由开关耦合到二极管的阳极，以根据开关的导通电流值来确定是否产生关断控制信号。 开关控制电路控制开关的开/关状态，并根据关断控制信号关断开关。 此外，开关控制电路将导通电流值与基准电流值进行比较，生成比较结果，动态地调整关断开关的时间长度。

公开(公告)号：US20090315473A1

公开(公告)日：2009-12-24

申请号：US12238455

申请日：2008-09-26

申请人： Ming-Heng Tsai ,  Yi-Chung Chou

发明人： Ming-Heng Tsai ,  Yi-Chung Chou

IPC分类号： H05B41/36 ,  H05B37/02

CPC分类号： H05B33/0815

摘要： A light-emitting device driving circuit and a method thereof are provided. A terminal of a light-emitting device is coupled to a supply voltage and a cathode of a diode via an inductor, and the other terminal is coupled to an anode of the diode. The light-emitting device driving circuit includes a switch, a current-sensing circuit, and a switch control circuit. The current-sensing circuit is coupled to the anode of the diode via the switch to determine whether or not to generate a turning-off control signal according to a conducting-current value of the switch. The switch control circuit controls an on/off state of the switch, and turns off the switch according to the turning-off control signal. Besides, the switch control circuit compares the conducting-current value with a reference-current value to generate a comparing result to dynamically adjust a time length of turning off the switch accordingly.

摘要翻译： 提供一种发光器件驱动电路及其方法。 发光器件的端子通过电感器耦合到二极管的电源电压和阴极，而另一个端子耦合到二极管的阳极。 发光装置驱动电路包括开关，电流检测电路和开关控制电路。 电流检测电路经由开关耦合到二极管的阳极，以根据开关的导通电流值来确定是否产生关断控制信号。 开关控制电路控制开关的接通/断开状态，并根据关断控制信号关断开关。 此外，开关控制电路将导通电流值与基准电流值进行比较，以产生比较结果，以动态地调整关断开关的时间长度。

公开(公告)号：US20210318175A1

公开(公告)日：2021-10-14

申请号：US16904579

申请日：2020-06-18

申请人： Yi-Chung Chou ,  Yu-Chin Chen ,  Tzu-I Huang

发明人： Yi-Chung Chou ,  Yu-Chin Chen ,  Tzu-I Huang

IPC分类号： G01K7/01 ,  G01K7/20 ,  G01K1/18

摘要： The invention provides a temperature sensing device of an integrated circuit. The integrated circuit includes a plurality of stacked metal wire layers, and the temperature sensing device includes a first metal sheet, a first via and a second via. The first metal sheet is disposed between the first metal wire layer and the second metal wire layer of the metal wire layers. The first via and the second via are used to connect the first metal sheet and the first metal wire layer, wherein a temperature sensing signal enters the first metal sheet through the first via and leaves the first metal sheet through the second via to measure the temperature of the integrated circuit.

公开(公告)号：US07961158B2

公开(公告)日：2011-06-14

申请号：US11781969

申请日：2007-07-24

申请人： Yi-Chung Chou ,  Hsu-Min Chen

发明人： Yi-Chung Chou ,  Hsu-Min Chen

IPC分类号： G09G3/32

CPC分类号： H05B33/0827 ,  H05B33/0815 ,  Y02B20/347

摘要： A constant-current driving circuit includes a first current source, a reference voltage generating circuit and an output signal generating circuit. A terminal of the first current source is coupled to a terminal of a first LED string, wherein the terminal of the first current source has a first voltage. The reference voltage generating circuit is used for generating a reference voltage and comparing the first voltage with a first predetermined voltage to generate a first comparing signal to thereby adjust the reference voltage. The output signal generating circuit is used for outputting an output signal to another terminal of the first LED string and receiving the input signal, wherein the output signal generating circuit decides whether or not to output the input signal serving as the output signal according to the comparison result of the reference voltage with the second voltage.

摘要翻译： 恒流驱动电路包括第一电流源，参考电压产生电路和输出信号发生电路。 第一电流源的端子耦合到第一LED串的端子，其中第一电流源的端子具有第一电压。 参考电压产生电路用于产生参考电压并将第一电压与第一预定电压进行比较以产生第一比较信号从而调节参考电压。 输出信号发生电路用于将输出信号输出到第一LED串的另一个端子并接收输入信号，其中输出信号发生电路根据比较决定是否输出用作输出信号的输入信号 参考电压与第二电压的结果。

公开(公告)号：US10890989B1

公开(公告)日：2021-01-12

申请号：US16595442

申请日：2019-10-07

申请人： Yi-Chung Chou ,  Chih-Yuan Kuo ,  Ta-Wei Liu

发明人： Yi-Chung Chou ,  Chih-Yuan Kuo ,  Ta-Wei Liu

IPC分类号： G06F3/0354 ,  G06F3/041

摘要： A touch pad driving device and a touch driving method are provided. The touch pad driving device is configured to scan a plurality of sensing channels of a touch pad, cause the selected sensing channel in the plurality of sensing channels receive a touch driving signal, cause the sensing channels adjacent to or around the selected sensing channel receive a shielding signal, and cause the remaining sensing channels receive a reference signal, so as to reduce electromagnetic interference generated by the touch pad.

公开(公告)号：US20080164856A1

公开(公告)日：2008-07-10

申请号：US11682881

申请日：2007-03-07

申请人： Hsu-Min Chen ,  Yi-Chung Chou

发明人： Hsu-Min Chen ,  Yi-Chung Chou

IPC分类号： G05F1/573

CPC分类号： H02M3/1588 ,  G05F1/573 ,  H02M2001/0009 ,  Y02B70/1466

摘要： A current sensing circuit and power supply using the same are provided. The current sensing circuit includes a transistor, a control circuit and a sensing circuit, wherein the voltage endurance capability between a drain terminal of the transistor and a gate of the transistor is larger than the voltage endurance capability between a source terminal of the transistor and the gate of the transistor. The drain terminal is coupled to an under testing current source with an external high voltage. The control circuit is coupled to the gate of the transistor to control the conduction between the drain and the source terminals. The sensing circuit receives a sensing current signal from the source terminal of the transistor and transfers thereof to be a current sensing voltage.

摘要翻译： 提供电流检测电路和使用其的电源。 电流感测电路包括晶体管，控制电路和感测电路，其中晶体管的漏极端子和晶体管的栅极之间的耐压能力大于晶体管的源极端子与晶体管的栅极之间的耐压能力 晶体管的栅极。 漏极端子与外部高电压耦合到欠测试电流源。 控制电路耦合到晶体管的栅极以控制漏极和源极端子之间的导通。 感测电路从晶体管的源极端子接收感测电流信号，并将其传送为电流感测电压。

公开(公告)号：US07365522B2

公开(公告)日：2008-04-29

申请号：US11532909

申请日：2006-09-19

申请人： Hsu-Min Chen ,  Yi-Chung Chou

发明人： Hsu-Min Chen ,  Yi-Chung Chou

IPC分类号： G05F1/577

CPC分类号： H02M3/1584 ,  H02M3/157 ,  H02M2001/009

摘要： A multiple output stage converter (MOSC) and an operating method thereof are provided. The MOSC includes a first transistor, a second transistor, a third transistor, and a logic control module. A terminal of the first transistor, a terminal of the second transistor, and a terminal of the third transistor are coupled to a power source via an inductor. Another terminal of the first transistor is coupled to a first output terminal. Another terminal of the second transistor is coupled to a second output terminal. Another terminal of the third transistor is coupled to a ground voltage. The logic control module is used to control the on/off state of the second transistor. The well of the second transistor is floating when the first transistor or the third transistor is on. The well of the second transistor is floated or coupled to the second output terminal when the second transistor is on.

摘要翻译： 提供了多输出级转换器（MOSC）及其操作方法。 MOSC包括第一晶体管，第二晶体管，第三晶体管和逻辑控制模块。 第一晶体管的端子，第二晶体管的端子和第三晶体管的端子经由电感器耦合到电源。 第一晶体管的另一端子耦合到第一输出端子。 第二晶体管的另一个端子耦合到第二输出端子。 第三晶体管的另一个端子耦合到接地电压。 逻辑控制模块用于控制第二晶体管的导通/截止状态。 当第一晶体管或第三晶体管导通时，第二晶体管的阱是浮置的。 当第二晶体管导通时，第二晶体管的阱浮置或耦合到第二输出端。

公开(公告)号：US20060262579A1

公开(公告)日：2006-11-23

申请号：US11197906

申请日：2005-08-04

申请人： Yi-Chung Chou

发明人： Yi-Chung Chou

IPC分类号： H02M7/02

CPC分类号： H02M3/1582 ,  H02J7/0065

摘要： A boost/buck and DC/DC power converter with a charging function, a method thereof and a system incorporating the same are disclosed. The system uses an external power supply or a rechargeable battery as the power thereof. The power converter regulates the external power supply for producing the output voltage. An inductor-based booster/bucker further boosts or bucks the produced output voltage and the boosted or bucked output voltage charges the rechargeable battery.

摘要翻译： 公开了一种具有充电功能的升压/降压和DC / DC功率转换器，其方法和包含该功率转换器的系统。 该系统使用外部电源或可充电电池作为其功率。 功率转换器调节外部电源以产生输出电压。 基于电感的升压/降压器进一步升压或降低所产生的输出电压，升压或降压的输出电压为可充电电池充电。

公开(公告)号：US11435237B2

公开(公告)日：2022-09-06

申请号：US16904579

申请日：2020-06-18

申请人： Yi-Chung Chou ,  Yu-Chin Chen ,  Tzu-I Huang

发明人： Yi-Chung Chou ,  Yu-Chin Chen ,  Tzu-I Huang

IPC分类号： G01K7/00 ,  G01K7/01 ,  G01K1/18 ,  G01K7/20

摘要： The invention provides a temperature sensing device of an integrated circuit. The integrated circuit includes a plurality of stacked metal wire layers, and the temperature sensing device includes a first metal sheet, a first via and a second via. The first metal sheet is disposed between the first metal wire layer and the second metal wire layer of the metal wire layers. The first via and the second via are used to connect the first metal sheet and the first metal wire layer, wherein a temperature sensing signal enters the first metal sheet through the first via and leaves the first metal sheet through the second via to measure the temperature of the integrated circuit.