公开(公告)号：US20060132199A1

公开(公告)日：2006-06-22

申请号：US11300760

申请日：2005-12-15

Applicant: Wu Jiang ,  Yong-Zhao Huang ,  Yun Li

Inventor： Wu Jiang ,  Yong-Zhao Huang ,  Yun Li

IPC: H03B1/00

CPC classification number: H03K17/162 ,  Y10T307/62 ,  Y10T307/696 ,  Y10T307/724

Abstract: A supply voltage switching circuit for a computer includes a chipset, a first transistor, a second transistor, and a third transistor. The chipset includes a first MOSFET and a second MOSFET. A 5V system voltage and a 5V standby voltage are respectively inputted to sources of the first MOSFET and the second MOSFET. Gates of the first MOSFET and the second MOSFET are respectively coupled to collectors of the second transistor and the third transistor. A base of the first transistor is coupled to a terminal for receiving a control signal from the computer. The 5V standby voltage is inputted to a collector of the first transistor. Bases of the second transistor and the third transistor are coupled to the collector of the first transistor. A 12V system voltage and the 5V standby voltage are respectively inputted to collectors of the second transistor and the third transistor.

Abstract translation: 用于计算机的电源电压切换电路包括芯片组，第一晶体管，第二晶体管和第三晶体管。 该芯片组包括第一MOSFET和第二MOSFET。 5V系统电压和5V待机电压分别输入到第一MOSFET和第二MOSFET的源极。 第一MOSFET和第二MOSFET的栅极分别耦合到第二晶体管和第三晶体管的集电极。 第一晶体管的基极耦合到用于从计算机接收控制信号的端子。 5V待机电压被输入到第一晶体管的集电极。 第二晶体管和第三晶体管的基极耦合到第一晶体管的集电极。 12V系统电压和5V待机电压分别输入到第二晶体管和第三晶体管的集电极。

公开(公告)号：US07286005B2

公开(公告)日：2007-10-23

申请号：US11300760

申请日：2005-12-15

Applicant: Wu Jiang ,  Yong-Zhao Huang ,  Yun Li

Inventor： Wu Jiang ,  Yong-Zhao Huang ,  Yun Li

IPC: H02M1/10

CPC classification number: H03K17/162 ,  Y10T307/62 ,  Y10T307/696 ,  Y10T307/724

Abstract: A supply voltage switching circuit for a computer includes a chipset, a first transistor, a second transistor, and a third transistor. The chipset includes a first MOSFET and a second MOSFET. A 5V system voltage and a 5V standby voltage are respectively inputted to sources of the first MOSFET and the second MOSFET. Gates of the first MOSFET and the second MOSFET are respectively coupled to collectors of the second transistor and the third transistor. A base of the first transistor is coupled to a terminal for receiving a control signal from the computer. The 5V standby voltage is inputted to a collector of the first transistor. Bases of the second transistor and the third transistor are coupled to the collector of the first transistor. A 12V system voltage and the 5V standby voltage are respectively inputted to collectors of the second transistor and the third transistor.

Abstract translation: 用于计算机的电源电压切换电路包括芯片组，第一晶体管，第二晶体管和第三晶体管。 该芯片组包括第一MOSFET和第二MOSFET。 5V系统电压和5V待机电压分别输入到第一MOSFET和第二MOSFET的源极。 第一MOSFET和第二MOSFET的栅极分别耦合到第二晶体管和第三晶体管的集电极。 第一晶体管的基极耦合到用于从计算机接收控制信号的端子。 5V待机电压被输入到第一晶体管的集电极。 第二晶体管和第三晶体管的基极耦合到第一晶体管的集电极。 12V系统电压和5V待机电压分别输入到第二晶体管和第三晶体管的集电极。

公开(公告)号：US07227343B2

公开(公告)日：2007-06-05

申请号：US11308692

申请日：2006-04-22

Applicant: Wu Jiang ,  Yong-Zhao Huang ,  Yong-Xing You

Inventor： Wu Jiang ,  Yong-Zhao Huang ,  Yong-Xing You

IPC: G05F1/00 ,  G05F1/565

CPC classification number: G05F1/575

Abstract: A linear voltage regulator provides a selectable output voltage to a load. The linear voltage regulator includes: a regulating circuit including an input terminal for receiving an input voltage, an output terminal for providing an output voltage to a load, and an adjusting terminal; a first resistor and a second resistor connected between the output terminal and ground for receiving the output voltage; and a voltage sampling control circuit electrically connected to a node between the first resistor and the second resistor for receiving logic signals from a controlling chip, and generating a reference current to the adjusting terminal of the regulating circuit to provide the selectable output voltage.

Abstract translation: 线性稳压器为负载提供可选择的输出电压。 线性稳压器包括：调节电路，包括用于接收输入电压的输入端子，用于向负载提供输出电压的输出端子和调整端子; 连接在输出端子和地之间的第一电阻器和第二电阻器，用于接收输出电压; 以及电连接到第一电阻器和第二电阻器之间的节点的电压采样控制电路，用于从控制芯片接收逻辑信号，并向调节电路的调整端产生参考电流以提供可选择的输出电压。

公开(公告)号：US20070029983A1

公开(公告)日：2007-02-08

申请号：US11308692

申请日：2006-04-22

Applicant: Wu Jiang ,  Yong-Zhao Huang ,  Yong-Xing You

Inventor： Wu Jiang ,  Yong-Zhao Huang ,  Yong-Xing You

IPC: G05F1/00

CPC classification number: G05F1/575

Abstract: A linear voltage regulator provides a selectable output voltage to a load. The linear voltage regulator includes: a regulating circuit including an input terminal for receiving an input voltage, an output terminal for providing an output voltage to a load, and an adjusting terminal; a first resistor and a second resistor connected between the output terminal and ground for receiving the output voltage; and a voltage sampling control circuit electrically connected to a node between the first resistor and the second resistor for receiving logic signals from a controlling chip, and generating a reference current to the adjusting terminal of the regulating circuit to provide the selectable output voltage.

Abstract translation: 线性稳压器为负载提供可选择的输出电压。 线性稳压器包括：调节电路，包括用于接收输入电压的输入端子，用于向负载提供输出电压的输出端子和调整端子; 连接在输出端子和地之间的第一电阻器和第二电阻器，用于接收输出电压; 以及电连接到第一电阻器和第二电阻器之间的节点的电压采样控制电路，用于从控制芯片接收逻辑信号，并向调节电路的调整端产生参考电流以提供可选择的输出电压。

公开(公告)号：US20060280005A1

公开(公告)日：2006-12-14

申请号：US11440282

申请日：2006-05-24

Applicant: Wu Jiang ,  Yong-Zhao Huang

Inventor： Wu Jiang ,  Yong-Zhao Huang

IPC: G11C5/14

CPC classification number: G11C5/14

Abstract: A memory voltage generating circuit includes a first control module, a core circuit, and a second control module. The core circuit includes a regulation amplifier, a first MOSFET, a second MOSFET, and a switch. An output terminal and an inverting input terminal of the regulation amplifier are both connected to an output terminal of the core circuit. A non-inverting input terminal of the regulation amplifier is coupled to the second control module. The non-inverting input terminal of the regulation amplifier is also connected to a referenced voltage via one resistor and is grounded via another resistor. A source of the first MOSFET is coupled to the inverting input terminal of the regulation amplifier. A gate of the first MOSFET is connected to the output terminal of the regulation amplifier. Drains of the first MOSFET and the second MOSFET are coupled to an input voltage via the switch. A source of the second MOSFET is connected to another input voltage. A gate of the second MOSFET is connected to the first control module.

Abstract translation: 存储器电压产生电路包括第一控制模块，核心电路和第二控制模块。 核心电路包括调节放大器，第一MOSFET，第二MOSFET和开关。 调节放大器的输出端子和反相输入端子都连接到核心电路的输出端子。 调节放大器的非反相输入端耦合到第二控制模块。 调节放大器的非反相输入端子也通过一个电阻器连接到参考电压，并通过另一个电阻器接地。 第一个MOSFET的源极耦合到调节放大器的反相输入端。 第一个MOSFET的栅极连接到调节放大器的输出端。 第一个MOSFET和第二个MOSFET的漏极通过开关耦合到一个输入电压。 第二个MOSFET的源极连接到另一个输入电压。 第二MOSFET的栅极连接到第一控制模块。

公开(公告)号：US20060232324A1

公开(公告)日：2006-10-19

申请号：US11306922

申请日：2006-01-17

Applicant: Yong-Zhao Huang ,  Wu Jiang ,  Yun Li ,  Yong-Xing You

Inventor： Yong-Zhao Huang ,  Wu Jiang ,  Yun Li ,  Yong-Xing You

IPC: G11C5/14

CPC classification number: G11C7/22 ,  G11C7/222 ,  H03K17/74

Abstract: A control circuit for command signals of a clock generator includes a power supply end, an output end, a control end, a diode, a first resistor and a second resistor. The first resistor, the diode, and the second resistor are connected in series between the power supply end and the ground. The diode has an anode connected to the first resistor and a cathode connected to the second resistor. The control end is connected to a node between the diode and the second resistor; the output end is connected to a node between the diode and the first resistor. The output end outputs the command signals to the clock generator.

Abstract translation: 用于时钟发生器的指令信号的控制电路包括电源端，输出端，控制端，二极管，第一电阻和第二电阻。 第一个电阻，二极管和第二个电阻串联在电源端和地之间。 二极管具有连接到第一电阻器的阳极和连接到第二电阻器的阴极。 控制端连接到二极管和第二电阻之间的节点; 输出端连接到二极管和第一个电阻之间的一个节点。 输出端将命令信号输出到时钟发生器。

公开(公告)号：US20060145731A1

公开(公告)日：2006-07-06

申请号：US11321194

申请日：2005-12-29

Applicant: Wu Jiang ,  Yong-Zhao Huang ,  Yun Li

Inventor： Wu Jiang ,  Yong-Zhao Huang ,  Yun Li

IPC: H03K5/01

CPC classification number: H03K17/22 ,  G01R19/16538

Abstract: A power good signal generating circuit includes an NPN transistor, a first resistor, a second resistor, a third resistor, a first power source, and a second power source. The first resistor is connected between a base of the transistor and the first power source. The second resistor is connected between a collector of the transistor and the second power source. The third resistor is connected between an emitter of the transistor and ground. The collector is connected to an output for sending a PG signal and the emitter is connected to an input for receiving a control signal P.

Abstract translation: 功率良好信号发生电路包括NPN晶体管，第一电阻器，第二电阻器，第三电阻器，第一电源和第二电源。 第一电阻器连接在晶体管的基极和第一电源之间。 第二电阻器连接在晶体管的集电极和第二电源之间。 第三电阻连接在晶体管的发射极和地之间。 集电极连接到用于发送PG信号的输出端，发射极连接到用于接收控制信号P的输入端。

公开(公告)号：US07580688B2

公开(公告)日：2009-08-25

申请号：US11434838

申请日：2006-05-15

Applicant: Wu Jiang ,  Yong-Zhao Huang

Inventor： Wu Jiang ,  Yong-Zhao Huang

IPC: H04B1/16

CPC classification number: H02J7/0047

Abstract: A weak battery warning circuit includes a warning circuit for generating an alarm; a battery having a cathode connected to ground; and a controlling circuit comprising a transistor, the transistor having an emitter for receiving an input voltage, a base connected to an anode of the battery via a base resistor, and a collector connected to the warning circuit and also connected to ground via a collector resistor. When the voltage of the battery reduces to a predetermined value, the controlling circuit controls the warning circuit to alarm.

Abstract translation: 弱电池警报电路包括用于产生警报的警告电路; 具有连接到地的阴极的电池; 以及包括晶体管的控制电路，所述晶体管具有用于接收输入电压的发射极，经由基极电阻连接到电池的阳极的基极，以及连接到警告电路并且还经由集电极电阻连接到地的集电极 。 当电池电压降低到预定值时，控制电路控制警告电路报警。

公开(公告)号：US20060255779A1

公开(公告)日：2006-11-16

申请号：US11306624

申请日：2006-01-04

Applicant: Yong-Zhao Huang ,  Wu Jiang ,  Yong-Xing You

Inventor： Yong-Zhao Huang ,  Wu Jiang ,  Yong-Xing You

IPC: G05F1/00

CPC classification number: G05F1/565

Abstract: A linear voltage regulator includes an error amplifier receiving an operational voltage and provided a control signal, a pass device controlled by the control signal and providing a load voltage from a power supply, and a leakage circuit controlled by the control signal and consuming a drive-back current. Since the linear voltage regulator includes the leakage circuit, a drive-back current created can be grounded via the switch transistor of the leakage circuit. Thereby an impedance calibration of termination transistors will be normal, and a life span of electronic components will be protected.

Abstract translation: 线性稳压器包括接收操作电压并提供控制信号的误差放大器，由控制信号控制的通过装置以及从电源提供负载电压，以及由控制信号控制的泄漏电路， 回流 由于线性稳压器包括泄漏电路，所以产生的驱动电流可以通过泄漏电路的开关晶体管接地。 因此，终端晶体管的阻抗校准将是正常的，并且电子元件的寿命将得到保护。

公开(公告)号：US07576600B2

公开(公告)日：2009-08-18

申请号：US11300699

申请日：2005-12-15

Applicant: Wu Jiang ,  Yong-Zhao Huang ,  Yun Li

Inventor： Wu Jiang ,  Yong-Zhao Huang ,  Yun Li

IPC: H02J1/00 ,  H03K17/00 ,  H01H67/00

CPC classification number: G06F1/3203 ,  G06F1/263 ,  Y10T307/696

Abstract: A supply voltage switching circuit for a computer includes a chipset, a first transistor and a second transistor. The chipset includes a first MOSFET and a second MOSFET. A 5V system voltage and a 5V standby voltage are respectively inputted to sources of the first MOSFET and the second MOSFET. Gates of the first MOSFET and the second MOSFET are respectively coupled to collectors of the first transistor and the second transistor. Emitters of the first transistor and the second transistor are coupled to a first terminal for receiving a control signal. A 1.8V standby voltage is separately inputted to bases of the first transistor and the second transistor. A 12V system voltage and the 5V standby voltage are respectively inputted to collectors of the first transistor and the second transistor. A second terminal is connected between the drain of the first MOSFET and the drain of the second MOSFET.

Abstract translation: 一种用于计算机的电源电压切换电路包括芯片组，第一晶体管和第二晶体管。 该芯片组包括第一MOSFET和第二MOSFET。 5V系统电压和5V待机电压分别输入到第一MOSFET和第二MOSFET的源极。 第一MOSFET和第二MOSFET的栅极分别耦合到第一晶体管和第二晶体管的集电极。 第一晶体管和第二晶体管的发射极耦合到用于接收控制信号的第一端子。 1.8V待机电压分别输入到第一晶体管和第二晶体管的基极。 12V系统电压和5V待机电压分别输入到第一晶体管和第二晶体管的集电极。 第二端子连接在第一MOSFET的漏极和第二MOSFET的漏极之间。