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1. 发明申请

US20180309385A1 POWER CONVERSION DEVICE, SLOW SOFT-STARTUP CIRCUIT, AND POWER CONVERSION CHIP 审中-公开
公开(公告)号：US20180309385A1
公开(公告)日：2018-10-25
申请号：US15632321
申请日：2017-06-24
申请人： RICHTEK TECHNOLOGY CORPORATION
发明人： Jyun-Che Ho , Isaac Y. Chen , Yi-Wei Lee
IPC分类号： H02M7/48 , H02M3/156 , H02M3/335 , G05F1/40 , H02M1/36
CPC分类号： H02M7/4807 , G05F1/40 , H02M1/36 , H02M3/156 , H02M3/335
摘要： The invention provides a power conversion device, including: a voltage conversion stage, including a primary side for receiving a rectified voltage and a secondary side for generating a rectified voltage according to the rectified voltage, wherein the primary side includes a primary side switch; a switch control circuit having a startup status and a normal operation status, the switch control circuit being configured to operably provide a control signal to a control terminal of the primary side switch; a startup circuit, providing a current to the control terminal when the switch control circuit is in the startup status, to at least partially conduct the primary side switch; and a slow soft-startup circuit, wherein when the switch control circuit is in the startup status and the output voltage does not reach a predetermined voltage in a first predetermined time period, the slow soft-startup circuit reduces a total current quantity supplied to the control terminal in a second predetermined time period which is after the first predetermined time period.

2. 发明申请

US20150370273A1 HYSTERETIC POWER CONVERTER WITH CALIBRATION CIRCUIT 审中-公开
标题翻译：带校准电路的恒功率转换器
公开(公告)号：US20150370273A1
公开(公告)日：2015-12-24
申请号：US14843496
申请日：2015-09-02
申请人： TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
发明人： Chia-Liang TAI , Alan ROTH , Eric SOENEN
IPC分类号： G05F1/575 , G01R1/20
CPC分类号： G05F1/575 , G01R1/203 , G05F1/00 , G05F1/10 , G05F1/40 , G05F1/56 , H02M3/156
摘要： A power converter includes a first load terminal used to supply a current to a load and a second load terminal used to return a feedback voltage based on the current. A calibration circuit supplies a calibrated voltage processed from the feedback voltage, and a hysteretic comparator controls a current level of the current based on a difference between the feedback voltage and the calibrated voltage.
摘要翻译：功率转换器包括用于向负载提供电流的第一负载端子和用于基于电流返回反馈电压的第二负载端子。校准电路提供从反馈电压处理的校准电压，并且迟滞比较器基于反馈电压和校准电压之间的差异来控制电流的电流水平。

3. 发明授权

US08866467B1 Systems and methods to perform integrated power measurement and RDSon measurement 有权
标题翻译：执行集成功率测量和RDSon测量的系统和方法
公开(公告)号：US08866467B1
公开(公告)日：2014-10-21
申请号：US12889199
申请日：2010-09-23
申请人： Donald Wile
发明人： Donald Wile
IPC分类号： H02M3/156
CPC分类号： G05F1/40 , G01R19/0092 , G01R19/25 , G01R31/40 , H02M3/1588 , H02M2001/0009 , H03K17/133 , H03K2217/0036 , Y02B70/1466
摘要： Systems and methods are disclosed to provide a process independent circuit for measuring output current of low drop out (LDO) regulators as well as buck regulators. The system can also measure the on resistance (RDSon) of the buck power transistors.
摘要翻译：公开了系统和方法以提供用于测量低压降（LDO）调节器以及降压调节器的输出电流的独立电路。该系统还可以测量降压功率晶体管的导通电阻（RDSon）。

4. 发明申请

US20130235017A1 POWER SUPPLY UNIT AND ORGANIC LIGHT EMITTING DISPLAY INCLUDING THE SAME 有权
标题翻译：电源单元和有机发光显示器，包括它们
公开(公告)号：US20130235017A1
公开(公告)日：2013-09-12
申请号：US13536248
申请日：2012-06-28
申请人： Sung-Cheon Park
发明人： Sung-Cheon Park
IPC分类号： G09G3/32 , G06F3/038 , G05F1/46
CPC分类号： G09G3/3208 , G05F1/40 , G05F1/62 , G09G2330/028
摘要： Disclosed is a power supply unit including a DC-DC converter including an output terminal and resistor coupling terminal and an external resistor coupled to the resistor coupling terminal, where the DC-DC converter includes a first power generation unit which outputs a predetermined current to the output terminal, and a sensing circuit unit that includes a sensing resistor located between the first power generation unit and the output terminal and stops an operation of the first power generation unit depending on a current value flowing in the sensing resistor. A power supply unit and an organic light emitting display including the power supply unit include a sensing circuit unit that stops operation of the power supply unit to prevent an additional damage when an abnormal current occurs.
摘要翻译：公开了一种电源单元，其包括DC-DC转换器，其包括输出端子和电阻器耦合端子以及耦合到电阻器耦合端子的外部电阻器，其中DC-DC转换器包括第一发电单元，其将预定电流输出到输出端子和感测电路单元，其包括位于第一发电单元和输出端子之间的感测电阻器，并且根据在感测电阻器中流动的电流值来停止第一发电单元的操作。电源单元和包括电源单元的有机发光显示器包括：感测电路单元，其在异常电流发生时停止电源单元的动作以防止额外的损坏。

5. 发明授权

US07028195B2 Modular server system 有权
公开(公告)号：US07028195B2
公开(公告)日：2006-04-11
申请号：US10136875
申请日：2002-04-30
申请人： Keith Kasprzak , Bharath Vasudevan
发明人： Keith Kasprzak , Bharath Vasudevan
IPC分类号： G06F1/26 , G06F1/32
CPC分类号： G05F1/40
摘要： An information handling system comprises a power supply unit providing a controllable main power supply and a stand-by power supply, a power controller unit receiving the stand-by power supply, and a plurality of sub-systems. Each sub-system comprises a voltage regulator unit being controlled by the power controller unit.

6. 发明授权

US06952334B2 Linear regulator with overcurrent protection 有权
标题翻译：具有过流保护功能的线性稳压器
公开(公告)号：US06952334B2
公开(公告)日：2005-10-04
申请号：US10681813
申请日：2003-10-07
申请人： Alan Richard Ball , Alejandro Lara-Ascorra
发明人： Alan Richard Ball , Alejandro Lara-Ascorra
IPC分类号： H02M7/12 , G05F1/40 , H02H9/08 , H02M7/04
CPC分类号： G05F1/40
摘要： A power supply system (10) forms an active zone that facilitates the power supply system (10) enabling an output transistor (37) when the input voltage (30) is between a first voltage value and a second voltage value. When the output transistor is enabled, it forms a load current (35) having an instantaneous value that when averaged over the period of the input signal results in a desired average value of the load current.
摘要翻译：当输入电压（30）在第一电压值和第二电压值之间时，电源系统（10）形成有助于电源系统（10）使能输出晶体管（37）的有效区域。当输出晶体管使能时，它形成具有瞬时值的负载电流（35），当输入信号的周期平均时，导致负载电流的期望平均值。

7. 发明授权

US06934171B2 Semiconductor integrated circuit having voltage-down circuit regulator and charge sharing 失效
公开(公告)号：US06934171B2
公开(公告)日：2005-08-23
申请号：US10672125
申请日：2003-09-26
申请人： Michael N. Dillon , Bret A. Oeltjen
发明人： Michael N. Dillon , Bret A. Oeltjen
IPC分类号： G05F1/40 , H02M1/00
CPC分类号： G05F1/40
摘要： An integrated circuit is provided, which includes first, second and third power supply conductors. The second power supply conductor has a higher voltage than the first power supply conductor, and the third power supply conductor has a higher voltage than the second power supply conductor. A high voltage power supply decoupling capacitor is coupled between the first and third power supply conductors. A low voltage power supply decoupling capacitor coupled between the first and second power supply conductors. A voltage reducer is coupled between the second and third power supply conductors. A plurality of semiconductor devices is biased between the first and second power supply conductors.

8. 发明申请

US20050073287A1 Power supply controller and method therefor 有权
标题翻译：电源控制器及其方法
公开(公告)号：US20050073287A1
公开(公告)日：2005-04-07
申请号：US10681813
申请日：2003-10-07
申请人： Alan Ball , Alejandro Lara-Ascsorra
发明人： Alan Ball , Alejandro Lara-Ascsorra
IPC分类号： H02M7/12 , G05F1/40 , H02H9/08 , H02M7/04
CPC分类号： G05F1/40
摘要： A power supply system (10) forms an active zone that facilitates the power supply system (10) enabling an output transistor (37) when the input voltage (30) is between a first voltage value and a second voltage value. When the output transistor is enabled, it forms a load current (35) having an instantaneous value that when averaged over the period of the input signal results in a desired average value of the load current.
摘要翻译：当输入电压（30）在第一电压值和第二电压值之间时，电源系统（10）形成有助于电源系统（10）使能输出晶体管（37）的有效区域。当输出晶体管使能时，它形成具有瞬时值的负载电流（35），当输入信号的周期平均时，导致负载电流的期望平均值。

9. 发明授权

US06310469B1 System and method to detect synchronous switching regulator light load 有权
标题翻译：检测同步开关调节器轻负载的系统和方法
公开(公告)号：US06310469B1
公开(公告)日：2001-10-30
申请号：US09596605
申请日：2000-06-19
申请人： Ariel S. Bentolila , Sisan Shen
发明人： Ariel S. Bentolila , Sisan Shen
IPC分类号： G05F140
CPC分类号： G05F1/40 , H02M3/1588 , H02M2001/0032 , Y02B70/1466 , Y02B70/16
摘要： An efficient and practical system and method to determine when a switching DC-DC regulator is under a light load condition. The light load condition is determined by monitoring the switch node voltage to detect a zero-crossing voltage that is load dependent and occurs when the average output current minus half the switching current at the switch node is less than or equal to zero.
摘要翻译：确定开关DC-DC调节器何时处于轻负载状态的有效实用的系统和方法。通过监控开关节点电压来确定轻负载条件，以检测负载相关的过零电压，并且当平均输出电流减去开关节点处的开关电流的一半小于或等于零时发生。

10. 发明授权

US06236193B1 Apparatus for voltage regulation and recovery of signal termination energy 失效
标题翻译：用于电压调节和信号终止能量恢复的装置
公开(公告)号：US06236193B1
公开(公告)日：2001-05-22
申请号：US09587952
申请日：2000-06-06
申请人： Harry V. Paul
发明人： Harry V. Paul
IPC分类号： G05F140
CPC分类号： G05F1/40
摘要： An apparatus for regulating the signal termination voltage planes of a system, the signal termination voltage planes having a voltage which is between, or intermediate to, the system's upper and lower power supply voltage planes, and for recovering signal termination energy, which is normally dissipated or otherwise wasted, and for transferring the recovered energy to the system's upper power supply voltage plane, or power bus, for reuse.
摘要翻译：一种用于调节系统的信号终止电压平面的装置，信号终端电压平面具有在系统的上和下电源电压平面之间或中间的电压，并且用于恢复通常耗散的信号终止能量或以其他方式浪费，并将恢复的能量传送到系统的上电源电压平面或电源总线以供重新使用。

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