OUTPUT VOLTAGE ADJUSTMENT CIRCUIT FOR BUCK CIRCUITS
    1.
    发明申请
    OUTPUT VOLTAGE ADJUSTMENT CIRCUIT FOR BUCK CIRCUITS 失效
    输出电压调节电路

    公开(公告)号:US20120146615A1

    公开(公告)日:2012-06-14

    申请号:US13073980

    申请日:2011-03-28

    IPC分类号: H02J1/00

    CPC分类号: H02M3/157 H02M2001/0025

    摘要: An output voltage adjustment circuit for buck circuits includes a microcontroller, first to eighth keys, and a display unit. The first to eighth keys input voltage adjustment signals to the microcontroller. A first input pin of the microcontroller is connected to a voltage output terminal. A second resistor is connected between the first input pin of the microcontroller and ground. A first to a sixth input/output pin of the microcontroller are connected to the display unit. A first to an eighth output pin of the microcontroller are connected to a pulse width modulation (PWM) controller. The first to eighth keys are selectively activated to provide voltage adjustment signals to the microcontroller, sampling output voltages of the voltage output terminal, comparing with a predetermined voltage, controlling the PWM controller to fine tune the duty cycle to output a stable voltage from the voltage output terminal. The display unit displays the voltages on the voltage output terminal.

    摘要翻译: 用于降压电路的输出电压调节电路包括微控制器,第一至第八键和显示单元。 第一至第八键输入电压调节信号给微控制器。 微控制器的第一个输入引脚连接到电压输出端子。 第二个电阻连接在微控制器的第一个输入引脚和地之间。 微控制器的第一至第六输入/输出引脚连接到显示单元。 微控制器的第一至第八输出引脚连接到脉宽调制(PWM)控制器。 选择性地激活第一至第八键以向微控制器提供电压调整信号,与预定电压相比较,对电压输出端子的输出电压进行采样,控制PWM控制器以微调占空比以从电压输出稳定的电压 输出端子。 显示单元显示电压输出端子上的电压。

    ELECTRICAL PARAMETER DETECTION DEVICE FOR PERIPHERAL COMPONENT INTERCONNECT DEVICES
    2.
    发明申请
    ELECTRICAL PARAMETER DETECTION DEVICE FOR PERIPHERAL COMPONENT INTERCONNECT DEVICES 有权
    用于外围元件互连器件的电气参数检测装置

    公开(公告)号:US20130127447A1

    公开(公告)日:2013-05-23

    申请号:US13424394

    申请日:2012-03-20

    IPC分类号: G01P3/42

    CPC分类号: G06F11/221

    摘要: An electrical parameter detection device is configured for detecting electrical parameters of a peripheral component interconnect (PCI) connector including a plurality of power pins. The electrical parameter detection device includes a processor module, a first detection module, and a second detection module. The processor module continuously detects voltage values of electric potentials provided by each of the power pins of the PCI connector using the first detection module, and determines time sequences of the electric potentials according to the voltage values of the electric potentials. Furthermore, the processor module detects the amount of power provided by each of the power pins of the PCI connector using the second detection module.

    摘要翻译: 电参数检测装置被配置为检测包括多个电源引脚的外围组件互连(PCI)连接器的电参数。 电参数检测装置包括处理器模块,第一检测模块和第二检测模块。 处理器模块使用第一检测模块连续地检测由PCI连接器的每个电源引脚提供的电位的电压值,并且根据电位的电压值确定电位的时间序列。 此外,处理器模块使用第二检测模块检测由PCI连接器的每个电源引脚提供的电力量。

    POWER SUPPLY CIRCUIT FOR A CPU
    3.
    发明申请
    POWER SUPPLY CIRCUIT FOR A CPU 失效
    一个CPU的电源电路

    公开(公告)号:US20120185705A1

    公开(公告)日:2012-07-19

    申请号:US13090469

    申请日:2011-04-20

    IPC分类号: G06F1/26

    CPC分类号: G06F1/305

    摘要: A power supply circuit for a CPU (central processing unit) includes a CPU, a power supply, a plurality of voltage adjustment modules, a pulse width modulator, a plurality of resistivity selection modules, and a module management unit. The resistivity selection module includes an electronic switch, a first resistor, a second resistor, a third resistor, and a fourth resistor. When the CPU operates abnormally, the power supply circuit utilizes the resistors in the resistivity selection module as voltage dividers, thereby restricting MOSFET or other components to operate in a normal voltage range.

    摘要翻译: CPU(中央处理单元)的电源电路包括CPU,电源,多个电压调整模块,脉宽调制器,多个电阻率选择模块和模块管理单元。 电阻率选择模块包括电子开关,第一电阻器,第二电阻器,第三电阻器和第四电阻器。 当CPU工作异常时,电源电路利用电阻率选择模块中的电阻作为分压器,从而限制MOSFET或其他组件在正常电压范围内工作。

    MONITORING DEVICE AND METHOD FOR MONITORING POWER PARAMETERS OF CENTRAL PROCESSING UNIT OF COMPUTING DEVICE
    4.
    发明申请
    MONITORING DEVICE AND METHOD FOR MONITORING POWER PARAMETERS OF CENTRAL PROCESSING UNIT OF COMPUTING DEVICE 审中-公开
    监控设备和方法,用于监控计算机设备中央处理单元的功率参数

    公开(公告)号:US20130091373A1

    公开(公告)日:2013-04-11

    申请号:US13626960

    申请日:2012-09-26

    IPC分类号: G06F11/30 G06F1/26

    摘要: A monitor device is used to monitor power parameters of a CPU of a computing device. The monitoring device comprises a main circuit board, a connector, and a parameter monitoring device. The parameter monitoring device comprises an acquisition unit, a processing unit, and a display unit. The main circuit board is connected to a power supply and provides power signals to one or more power pins of the CPU. The connector is connected between the main circuit board and the CPU. The parameter monitoring device is connected to the CPU through the connector. The acquisition unit acquires a voltage passing through each power pin of the CPU after the CPU is powered to work. The processing unit processes the voltage acquired from each of the one or more power pins to obtain power parameters of the CPU. The display unit displays the power parameters.

    摘要翻译: 监视器装置用于监视计算装置的CPU的功率参数。 监视装置包括主电路板,连接器和参数监视装置。 参数监视装置包括采集单元,处理单元和显示单元。 主电路板连接到电源,并向CPU的一个或多个电源引脚提供电源信号。 连接器连接在主电路板和CPU之间。 参数监控设备通过连接器连接到CPU。 在CPU上电后,采集单元获取通过CPU的每个电源引脚的电压。 处理单元处理从一个或多个电源引脚中的每一个获取的电压以获得CPU的功率参数。 显示单元显示电源参数。

    OVERCURRENT PROTECTION DEVICE
    5.
    发明申请
    OVERCURRENT PROTECTION DEVICE 有权
    过电流保护装置

    公开(公告)号:US20120182661A1

    公开(公告)日:2012-07-19

    申请号:US13086405

    申请日:2011-04-14

    IPC分类号: H02H3/08

    CPC分类号: H02H3/087 G06F1/28

    摘要: An overcurrent protection device includes a power input terminal, a power output terminal, a first signal terminal, a second signal terminal, a testing circuit, and a switch element. The power input terminal and the first signal terminal are connected to a power supply. The power output terminal and the second signal terminal are connected to a computer motherboard. If the first and second terminals are disconnected from each other when the computer motherboard works, the power supply stops working. The testing circuit includes a fixed resistor and a control chip parallel connected between the power input and output terminal. The control chip stores a predetermined voltage threshold, and detects voltage between the two terminals of the fixed resistor, and compares the measured voltage with the predetermined voltage threshold. The switch element disconnects the first and second signal terminals when the measured voltage is greater than the predetermined voltage threshold.

    摘要翻译: 过电流保护装置包括电源输入端子,电力输出端子,第一信号端子,第二信号端子,测试电路和开关元件。 电源输入端子和第一信号端子连接到电源。 电源输出端子和第二信号端子连接到计算机主板。 当计算机主板工作时,如果第一和第二端子彼此断开,则电源停止工作。 测试电路包括一个固定电阻和一个并联在电源输入和输出端之间的控制芯片。 控制芯片存储预定电压阈值,并且检测固定电阻器的两个端子之间的电压,并将测量的电压与预定电压阈值进行比较。 当测量的电压大于预定电压阈值时,开关元件断开第一和第二信号端子。

    RESISTANCE DETERMINING SYSTEM FOR OVER VOLTAGE PROTECTION CIRCUIT
    6.
    发明申请
    RESISTANCE DETERMINING SYSTEM FOR OVER VOLTAGE PROTECTION CIRCUIT 失效
    用于过电压保护电路的电阻测定系统

    公开(公告)号:US20120176715A1

    公开(公告)日:2012-07-12

    申请号:US13172876

    申请日:2011-06-30

    IPC分类号: H02H9/04

    CPC分类号: H02H3/006 H02H3/20

    摘要: A resistance determining system for an over voltage protection (OVP) circuit, includes an external power source, a microcontroller, a digital rheostat and a display unit. The external power source supplies an external voltage to the OVP circuit. The microcontroller stores an over voltage value. The microcontroller is connected to the external power source and configured to detect the external voltage and compare the external voltage with the over voltage value. The digital rheostat is connected to the microcontroller and includes a first rheostat having two connection terminals respectively connected to two first connection ends of the OVP circuit. The microcontroller adjusts the first rheostat to be a first resistance value to activate the OVP circuit when the external voltage is substantially equal to the over voltage value. The display unit is connected to the microcontroller and configured to display the first resistance value.

    摘要翻译: 用于过电压保护(OVP)电路的电阻确定系统包括外部电源,微控制器,数字变阻器和显示单元。 外部电源为OVP电路提供外部电压。 微控制器存储过电压值。 微控制器连接到外部电源,并配置为检测外部电压,并将外部电压与过电压值进行比较。 数字变阻器连接到微控制器,并且包括具有分别连接到OVP电路的两个第一连接端的两个连接端子的第一变阻器。 当外部电压基本上等于过电压值时,微控制器将第一变阻器调整为第一电阻值以激活OVP电路。 显示单元连接到微控制器并被配置为显示第一电阻值。

    MEASURING DEVICE FOR HARD DISK DRIVE
    7.
    发明申请
    MEASURING DEVICE FOR HARD DISK DRIVE 失效
    硬盘驱动器的测量装置

    公开(公告)号:US20120169321A1

    公开(公告)日:2012-07-05

    申请号:US13162584

    申请日:2011-06-17

    IPC分类号: G01R19/00

    CPC分类号: G06F1/26 G01R21/06 G01R21/133

    摘要: A measuring device for a hard disk drive includes a first input node, a hard disk drive having a first input terminal, the first input terminal being coupled to the first input node to provide power to the hard disk drive. A first input current sampling unit is coupled between the first input node and the first input terminal of the hard disk drive to obtain a first input current Iin1. A first input voltage sampling unit is coupled to the first input terminal of the hard disk drive to obtain a first input voltage Uin1. A control unit is coupled to the first input current sampling unit and the first input voltage sampling unit to receive the first input current and the first input voltage.

    摘要翻译: 用于硬盘驱动器的测量装置包括第一输入节点,具有第一输入端的硬盘驱动器,第一输入端耦合到第一输入节点以向硬盘驱动器供电。 第一输入电流采样单元耦合在第一输入节点和硬盘驱动器的第一输入端之间,以获得第一输入电流Iin1。 第一输入电压采样单元耦合到硬盘驱动器的第一输入端,以获得第一输入电压Uin1。 控制单元耦合到第一输入电流采样单元和第一输入电压采样单元以接收第一输入电流和第一输入电压。

    SEQUENCE CONTROL CIRCUIT FOR POWER SOURCE
    8.
    发明申请
    SEQUENCE CONTROL CIRCUIT FOR POWER SOURCE 有权
    电源序列控制电路

    公开(公告)号:US20120306273A1

    公开(公告)日:2012-12-06

    申请号:US13181523

    申请日:2011-07-13

    IPC分类号: H02J4/00

    摘要: A sequence control circuit for power sources includes two switched circuits and a sequence control unit. Each of the switched circuits has a control node and is coupled between a power source and a load. The sequence control unit includes two output terminals coupled to the control nodes. The output terminals generate control signals to control the sequence of the circuits being turned on.

    摘要翻译: 用于电源的序列控制电路包括两个开关电路和一个序列控制单元。 每个开关电路具有控制节点并耦合在电源和负载之间。 序列控制单元包括耦合到控制节点的两个输出端。 输出端产生控制信号以控制电路接通的顺序。

    RESISTANCE DETERMINING SYSTEM AND METHOD FOR CIRCUIT PROTECTION
    9.
    发明申请
    RESISTANCE DETERMINING SYSTEM AND METHOD FOR CIRCUIT PROTECTION 失效
    电阻测定系统及电路保护方法

    公开(公告)号:US20120182660A1

    公开(公告)日:2012-07-19

    申请号:US13094754

    申请日:2011-04-26

    IPC分类号: H02H3/24

    CPC分类号: H02H3/006 H02H3/24

    摘要: A resistance determining system and method for a protection circuit, includes a resistance determining unit. The resistance determining unit interconnects a microcontroller and a digital resistor, where the microcontroller has first setting voltage corresponding to a first voltage threshold for activating the protection circuit, and the microcontroller is capable of receiving and converting a first external voltage input to the protection circuit to be a first converted voltage. The digital resistor includes a first variable resistor having two terminals connected to the respective first terminal and the second terminal. The microcontroller adjusts a resistance of the first variable resistor to be a first threshold resistance if the first converted voltage is substantially equal to the first voltage threshold, and the first resistance is determined to be substantially equal to the first threshold resistance.

    摘要翻译: 一种用于保护电路的电阻确定系统和方法,包括电阻确定单元。 电阻确定单元将微控制器和数字电阻相互连接,其中微控制器具有对应于用于启动保护电路的第一电压阈值的第一设定电压,并且微控制器能够接收和转换到保护电路的第一外部电压输入到 成为第一个转换电压。 数字电阻器包括具有连接到相应的第一端子和第二端子的两个端子的第一可变电阻器。 如果第一转换电压基本上等于第一电压阈值,则微控制器将第一可变电阻器的电阻调整为第一阈值电阻,并且确定第一电阻基本上等于第一阈值电阻。

    MOTHERBOARD HAVING TIME DELAY CIRCUIT FOR DELAYING PSON SIGNAL
    10.
    发明申请
    MOTHERBOARD HAVING TIME DELAY CIRCUIT FOR DELAYING PSON SIGNAL 有权
    具有时延延迟延迟电路信号的母板

    公开(公告)号:US20120179930A1

    公开(公告)日:2012-07-12

    申请号:US13049909

    申请日:2011-03-17

    IPC分类号: G06F1/26

    CPC分类号: G06F1/24 G06F1/305

    摘要: A motherboard includes a motherboard power supply connector and a time delay circuit. The motherboard power supply connector connects a power supply unit. The motherboard power supply connector has a power supply on pin and a power good pin. The power good pin is configured for receiving a power good signal from the power supply unit. The time delay circuit has an input terminal and an output terminal. The input terminal is configured for receiving a power supply on signal. The output terminal is connected to the power supply on pin and is configured for sending the power supply on signal to the power supply on pin after a time delay determined by the time delay circuit.

    摘要翻译: 主板包括主板电源连接器和延时电路。 主板电源连接器连接电源单元。 主板电源连接器有一个引脚电源和一个电源良好的引脚。 电源良好引脚配置为从电源单元接收电源良好信号。 延时电路具有输入端和输出端。 输入端子被配置为接收电源接通信号。 输出端子连接到引脚上的电源,并配置为在由延时电路确定的时间延迟后,将电源接通信号发送到引脚上的电源。