公开(公告)号：US07400188B2

公开(公告)日：2008-07-15

申请号：US11365640

申请日：2006-02-28

Applicant: Yong-Zhao Huang ,  Yun Li

Inventor： Yong-Zhao Huang ,  Yun Li

IPC: G05F1/10 ,  H03L7/00

CPC classification number: G11C5/14

Abstract: A voltage providing circuit includes a protective circuit and a power supply circuit. The protective circuit includes a first transistor. A first control signal is input to a collector of the first transistor, a second control signal is input to a base of the first transistor, an emitter of the first transistor is grounded. The collector of the first transistor is connected to the power supply circuit. The second control signal and the first control signal jointly control the power supply circuit to be turned on or turned off. When the second control signal is at a low level, the first transistor is turned off and the power supply circuit is turned off. When the second control signal is at a high level, the first transistor is turned on and the power supply circuit is turned on. Thus, the providing circuit can prevent the electronic component from being damaged when a computer is restarted.

Abstract translation: 电压提供电路包括保护电路和电源电路。 保护电路包括第一晶体管。 第一控制信号被输入到第一晶体管的集电极，第二控制信号被输入到第一晶体管的基极，第一晶体管的发射极接地。 第一晶体管的集电极连接到电源电路。 第二控制信号和第一控制信号共同控制电源电路被接通或断开。 当第二控制信号为低电平时，第一晶体管截止，电源电路断开。 当第二控制信号为高电平时，第一晶体管导通，电源电路接通。 因此，当计算机重启时，提供电路可以防止电子部件损坏。

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：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：US20060227481A1

公开(公告)日：2006-10-12

申请号：US11388258

申请日：2006-03-24

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

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

IPC: H02H5/04

CPC classification number: G06F1/26 ,  H02H3/087

Abstract: A power supply for a bus interface is provided. The power supply comprises: an input terminal; an output terminal; a fuse providing over-current protection; a diode providing over-voltage protection, a reverse breakdown voltage of the diode not less than a maximal voltage difference of the output terminal and the input terminal, the diode connected to the fuse in series between an input terminal and an output terminal; and a plurality of capacitors filtering noise, one end of each of the capacitors connected to a node between the fuse and an anode of the diode, and another end of each of the capacitors is grounded. The power supply can provide effective over-voltage protection because a reverse breakdown voltage of the diode is not less than a maximal voltage difference of the output terminal and the input terminal. In addition, the power supply has a low cost of manufacture.

Abstract translation: 提供总线接口的电源。 电源包括：输入端子; 输出端子; 保险丝提供过流保护; 提供过电压保护的二极管，二极管的反向击穿电压不小于输出端子和输入端子的最大电压差，二极管连接到输入端子和输出端子之间的熔丝; 并且多个电容器滤除噪声，每个电容器的一端连接到熔丝和二极管的阳极之间的节点，并且每个电容器的另一端接地。 电源可以提供有效的过电压保护，因为二极管的反向击穿电压不小于输出端子和输入端子的最大电压差。 另外，电源的制造成本低。

公开(公告)号：US20060197582A1

公开(公告)日：2006-09-07

申请号：US11365640

申请日：2006-02-28

Applicant: Yong-Zhao Huang ,  Yun Li

Inventor： Yong-Zhao Huang ,  Yun Li

IPC: G11C5/14

CPC classification number: G11C5/14

Abstract: A voltage providing circuit includes a protective circuit and a power supply circuit. The protective circuit includes a first transistor. A first control signal is input to a collector of the first transistor, a second control signal is input to a base of the first transistor, an emitter of the first transistor is grounded. The collector of the first transistor is connected to the power supply circuit. The second control signal and the first control signal jointly control the power supply circuit to be turned on or turned off. When the second control signal is at a low level, the first transistor is turned off and the power supply circuit is turned off. When the second control signal is at a high level, the first transistor is turned on and the power supply circuit is turned on. Thus, the providing circuit can prevent the electronic component from being damaged when a computer is restarted.

Abstract translation: 电压提供电路包括保护电路和电源电路。 保护电路包括第一晶体管。 第一控制信号被输入到第一晶体管的集电极，第二控制信号被输入到第一晶体管的基极，第一晶体管的发射极接地。 第一晶体管的集电极连接到电源电路。 第二控制信号和第一控制信号共同控制电源电路被接通或断开。 当第二控制信号为低电平时，第一晶体管截止，电源电路断开。 当第二控制信号为高电平时，第一晶体管导通，电源电路接通。 因此，当计算机重启时，提供电路可以防止电子部件损坏。

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：US20060097709A1

公开(公告)日：2006-05-11

申请号：US11267062

申请日：2005-11-04

Applicant: Yong-Zhao Huang ,  Yun Li

Inventor： Yong-Zhao Huang ,  Yun Li

IPC: G05F1/56

CPC classification number: G05F1/565

Abstract: A linear voltage regulator is provided for providing an output voltage to a load. In a preferred embodiment, the linear voltage regulator includes: a pass element for receiving an input voltage and providing an output voltage to a load, the pass element being adapted to be controlling by a controlling voltage; two resistors connected to each other in series for receiving the output voltage and providing a voltage reference; and a feedback circuit for receiving the voltage reference and providing the controlling voltage to the pass element. The linear voltage regulator is capable of providing a steady output voltage to the load, and a cost thereof being down at the same time.

Abstract translation: 提供线性电压调节器以向负载提供输出电压。 在优选实施例中，线性电压调节器包括：用于接收输入电压并向负载提供输出电压的通过元件，所述通过元件适于由控制电压控制; 两个电阻串联连接以接收输出电压并提供电压参考; 以及反馈电路，用于接收电压基准并向通过元件提供控制电压。 线性稳压器能够为负载提供稳定的输出电压，并且其成本同时降低。

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。

公开(公告)号：US07403050B2

公开(公告)日：2008-07-22

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: H03L7/00

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: 电源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。