公开(公告)号：US09564825B2

公开(公告)日：2017-02-07

申请号：US14497306

申请日：2014-09-25

Applicant: FSP-Powerland Technology Inc. ,  FSP TECHNOLOGY INC.

Inventor： Fei-Yue Duan ,  Ming Xu

IPC: H02M3/335 ,  H02M3/337 ,  H02M3/28 ,  H02M1/00

CPC classification number: H02M3/3376 ,  H02M3/285 ,  H02M2001/0058 ,  Y02B70/1433 ,  Y02B70/1491 ,  Y02P80/112

Abstract: A parallel resonant converter including a control circuit and at least two resonant conversion circuits connected in parallel between an input bus and an output bus is provided by the invention. The control circuit is configured to provide a switching frequency signal to the at least two resonant conversion circuits. Moreover, the control circuit is further configured to control the voltage of the output bus to linearly vary along with the switching frequency signal in a rated range by using a linear current-balancing curve (gain-frequency), and thus achieving the purpose of current-balancing for the at least two resonant conversion circuits. The invention is capable of controlling the output voltage of the parallel resonant converter, so as to reduce the ripple on the output voltage of the power supply system.

Abstract translation: 本发明提供并联谐振变换器，其包括控制电路和至少两个谐振变换电路并联连接在输入总线和输出总线之间。 控制电路被配置为向至少两个谐振转换电路提供开关频率信号。 此外，控制电路还被配置为通过使用线性电流平衡曲线（增益 - 频率）来控制输出总线的电压与开关频率信号在额定范围内线性变化，从而实现电流的目的 用于至少两个谐振转换电路的平衡。 本发明能够控制并联谐振变换器的输出电压，以便减小电源系统的输出电压上的纹波。

公开(公告)号：US09543825B2

公开(公告)日：2017-01-10

申请号：US14644213

申请日：2015-03-11

Applicant: FSP TECHNOLOGY INC.

Inventor： Yung-Hsiang Shih ,  Chang-Hsun Chiang

IPC: H02M3/335 ,  H02M1/44 ,  H02M7/217 ,  H02H9/00 ,  H02M7/12 ,  H02H7/125

CPC classification number: H02M1/44 ,  H02H7/125 ,  H02H9/001 ,  H02M3/335 ,  H02M7/125 ,  H02M7/2176

Abstract: A power conversion apparatus and control method thereof are provided. The power conversion apparatus includes an output capacitor, an AC-to-DC conversion circuit, a transformer-based auxiliary circuit, an inrush suppression component and a switching circuit. The AC-to-DC conversion circuit is configured to convert an AC power into a DC power. The auxiliary circuit provides a leakage inductance energy. The inrush suppression component provides a first conduction path, and the switching circuit provides a second conduction path. When the switching circuit cuts off the second conduction path in response to the leakage inductance energy, the AC-to-DC conversion circuit conducts the DC power to the output capacitor via the first conduction path. When the switching circuit turns on the second conduction path in response to the leakage inductance energy, the AC-to-DC conversion circuit conducts the DC power to the output capacitor via the second conduction path.

Abstract translation: 提供了一种电力转换装置及其控制方法。 电力转换装置包括输出电容器，AC-DC转换电路，基于变压器的辅助电路，涌入抑制部件和开关电路。 AC-DC转换电路被配置为将AC电力转换为DC电力。 辅助电路提供漏感电能。 浪涌抑制元件提供第一导电路径，并且开关电路提供第二导电路径。 当开关电路响应于漏电感能量而切断第二导通路径时，AC至DC转换电路经由第一导电路径将DC电力传导到输出电容器。 当开关电路响应于漏电感能量导通第二导通路径时，AC至DC转换电路经由第二导电路径将DC电力传导到输出电容器。

公开(公告)号：US09218016B2

公开(公告)日：2015-12-22

申请号：US13753490

申请日：2013-01-29

Applicant: FSP TECHNOLOGY INC.

Inventor： Sheng-Wen Pan

IPC: G05F1/56 ,  G05F5/00 ,  G05F1/10 ,  G05F3/24

CPC classification number: G05F5/00 ,  G05F1/10 ,  G05F3/242

Abstract: A voltage reference generation circuit includes a current supply circuit and a core circuit. The current supply circuit is arranged to provide a plurality of currents. The core circuit is coupled to the current supply circuit, and arranged to receive the currents and accordingly generate a voltage reference. The core circuit includes a first transistor, a second transistor and a third transistor, wherein the first transistor and the third transistor generate a first gate-to-source voltage and a third gate-to-source voltage, respectively, according to a first current of the received currents; the second transistor generates a second gate-to-source voltage according to a second current of the received currents; and the voltage reference is generated according to the first gate-to-source voltage, the second gate-to-source voltage and the third gate-to-source voltage.

Abstract translation: 电压基准产生电路包括电流供给电路和核心电路。 电流供应电路设置成提供多个电流。 核心电路耦合到电流供应电路，并被布置成接收电流并因此产生电压基准。 核心电路包括第一晶体管，第二晶体管和第三晶体管，其中第一晶体管和第三晶体管分别根据第一电流产生第一栅极至源极电压和第三栅极至源极电压 的接收电流; 第二晶体管根据接收电流的第二电流产生第二栅极至源极电压; 并且根据第一栅极至源极电压，第二栅极至源极电压和第三栅极至源极电压产生电压参考。

公开(公告)号：US09196574B2

公开(公告)日：2015-11-24

申请号：US13612846

申请日：2012-09-13

Applicant: Kuo-Fan Lin

Inventor： Kuo-Fan Lin

IPC: H02H9/00 ,  H01L23/495 ,  H01L21/56 ,  H01L23/62 ,  H01L25/16 ,  H01L23/498 ,  H01L23/00 ,  H01L23/31

CPC classification number: H01L23/4952 ,  H01L21/56 ,  H01L23/3107 ,  H01L23/49562 ,  H01L23/498 ,  H01L23/62 ,  H01L24/06 ,  H01L24/13 ,  H01L24/14 ,  H01L24/16 ,  H01L24/29 ,  H01L24/32 ,  H01L24/45 ,  H01L24/48 ,  H01L24/49 ,  H01L24/73 ,  H01L25/16 ,  H01L2224/0401 ,  H01L2224/0603 ,  H01L2224/13111 ,  H01L2224/1403 ,  H01L2224/14051 ,  H01L2224/16106 ,  H01L2224/16245 ,  H01L2224/29339 ,  H01L2224/32013 ,  H01L2224/32245 ,  H01L2224/45144 ,  H01L2224/48091 ,  H01L2224/4813 ,  H01L2224/48247 ,  H01L2224/49107 ,  H01L2224/49113 ,  H01L2224/73265 ,  H01L2924/12035 ,  H01L2924/1301 ,  H01L2924/1305 ,  H01L2924/13055 ,  H01L2924/1306 ,  H01L2924/13091 ,  H01L2924/181 ,  H01L2924/3011 ,  H01L2924/00014 ,  H01L2924/00012 ,  H01L2924/00

Abstract: A snubber circuit includes: a capacitor including a first terminal and a second terminal, where the first terminal of the capacitor is electrically connected to a first terminal of the snubber circuit; and a Bipolar Junction Transistor (BJT), where one of the emitter and the collector of the BJT is electrically connected to the second terminal of the capacitor, and the other one of the emitter and the collector of the BJT is electrically connected to a second terminal of the snubber circuit. The snubber circuit can be electrically connected in parallel to an active component or a load to protect the circuitry connected to the load, and more particularly to absorb spike or noise generated during high-frequency switching of the active component to recycle energy, in order to achieve the goal of reducing spike voltages and enhancing efficiency.

Abstract translation: 缓冲电路包括：包括第一端子和第二端子的电容器，其中电容器的第一端子电连接到缓冲电路的第一端子; 和双极结晶体管（BJT），其中BJT的发射极和集电极之一电连接到电容器的第二端子，并且BJT的发射极和集电极中的另一个电连接到第二 缓冲电路的端子。 缓冲电路可以与有源部件或负载并联电连接以保护连接到负载的电路，并且更具体地，吸收在有源部件的高频切换期间产生的尖峰或噪声到再循环能量，以便 实现降低尖峰电压并提高效率的目标。

公开(公告)号：US20140265575A1

公开(公告)日：2014-09-18

申请号：US14210458

申请日：2014-03-14

Applicant: FSP TECHNOLOGY INC.

Inventor： Yung-Hsiang Shih ,  Kun-Feng Hsu

IPC: G05F1/577 ,  H02M3/335

CPC classification number: G05F1/577 ,  G05B13/02 ,  G05F1/00 ,  G05F3/30 ,  H02M3/33507 ,  H02M3/33561 ,  H05B33/0815 ,  H05B37/02 ,  Y10T307/406

Abstract: A power supply apparatus including a power conversion circuit, a single transformer, a conjugate energy-storing inductor and a first and a second rectifying and filtering circuit is provided. The single transformer has a primary winding, a first secondary winding and a second secondary winding. The primary winding is coupled to the power conversion circuit and the first and second secondary windings respectively induce a corresponding voltage based on a voltage of the primary winding. The conjugate energy-storing inductor has a first and a second conjugate coil isolated from each other. The first and second rectifying and filtering circuits respectively charges/discharges in response to the voltage induced by the first and second rectifying and filtering circuits, and thereby respectively provides a first and a second output voltage via the output terminals of the first and second rectifying and filtering circuits.

Abstract translation: 提供一种电源设备，包括功率转换电路，单个变压器，共轭储能电感器和第一和第二整流和滤波电路。 单个变压器具有初级绕组，第一次级绕组和第二次级绕组。 初级绕组耦合到功率转换电路，并且第一和第二次级绕组分别基于初级绕组的电压诱导相应的电压。 共轭储能电感器具有彼此隔离的第一和第二共轭线圈。 第一和第二整流滤波电路响应于由第一和第二整流滤波电路引起的电压而分别充电/放电，从而分别经由第一和第二整流和第二整流滤波器的输出端分别提供第一和第二输出电压， 滤波电路。

公开(公告)号：US08760128B2

公开(公告)日：2014-06-24

申请号：US13349571

申请日：2012-01-13

Applicant: Ming Xu ,  Chuanyun Wang ,  Peng Mao

Inventor： Ming Xu ,  Chuanyun Wang ,  Peng Mao

IPC: G05F1/00

CPC classification number: H02M1/4216 ,  H02M1/4225 ,  Y02B70/126

Abstract: A three-phase boost-buck PFC converter including three independent single-phase boost-buck PFC circuits respectively is provided, which are capable of performing PFC on each phase of the three-phase power. The single-phase boost-buck PFC circuit is composed of two single-phase boost-buck converters independently working in a positive and a negative half cycle of an input voltage, and the two single-phase boost-buck converters are connected in parallel at an input side, and are connected in series at an output side, and each of the single-phase boost-buck converters is composed of a front-end boost circuit and a back-end buck circuit connected in cascade. Compared to the existing technique, regardless of a boost mode or a buck mode, the conduction loss is effectively reduced, and the whole system efficiency is effectively improved.

Abstract translation: 提供了分别包括三个独立的单相升压 - 降压PFC电路的三相升压降压PFC转换器，它们能够在三相电源的每个相上执行PFC。 单相升压降压PFC电路由独立工作在输入电压的正半周期和负半周期的两个单相升压降压转换器组成，两个单相升压降压转换器并联连接 输入侧，并且在输出侧串联连接，并且每个单相升压降压转换器由级联连接的前端升压电路和后端降压电路组成。 与现有技术相比，无论升压模式还是降压模式，导通损耗都有效降低，整个系统效率得到有效的提高。

公开(公告)号：US08710875B2

公开(公告)日：2014-04-29

申请号：US13474737

申请日：2012-05-18

Applicant: Yong-Jiang Bai ,  Qiao-Liang Chen ,  Ning-Bin Wang ,  Ju-Lu Sun

Inventor： Yong-Jiang Bai ,  Qiao-Liang Chen ,  Ning-Bin Wang ,  Ju-Lu Sun

IPC: H03B1/00 ,  H03K3/00

CPC classification number: H02M3/1588 ,  Y02B70/1466

Abstract: A bootstrap gate driver including a load indication unit, a bootstrap gate-drive unit and a drive-control unit is provided. The load indication unit is configured to generate a load indication signal in response to a state of a load. The bootstrap gate-drive unit is configured to drive a switch-transistor circuit in response to an inputted pulse-width-modulation (PWM) signal, wherein the switch-transistor circuit has a high-side driving path and a low-side driving path. The drive-control unit is coupled to the load indication unit and the bootstrap gate-drive unit, and configured to enable or disable the high-side driving path in response to the load indication signal. In the invention, the operation of the low-side driving path is not affected by enabling or disabling the high-side driving path.

Abstract translation: 提供了包括负载指示单元，自举门驱动单元和驱动控制单元的自举门驱动器。 负载指示单元被配置为响应于负载的状态产生负载指示信号。 自举门驱动单元被配置为响应于输入的脉宽调制（PWM）信号来驱动开关晶体管电路，其中开关晶体管电路具有高侧驱动路径和低侧驱动路径 。 驱动控制单元耦合到负载指示单元和自举门驱动单元，并且被配置为响应于负载指示信号来启用或禁用高侧驱动路径。 在本发明中，低侧驱动路径的动作不受启用或禁用高侧驱动路径的影响。

公开(公告)号：US20140112033A1

公开(公告)日：2014-04-24

申请号：US14059464

申请日：2013-10-22

Applicant: FSP TECHNOLOGY INC.

Inventor： Yen-Chun Lin

IPC: H02H7/125 ,  H02M1/44 ,  H02M7/04

CPC classification number: H02H7/125 ,  H02M1/44 ,  H02M7/02

Abstract: A power supply apparatus is provided, in which a control chip is used to detect an AC input power, so that it is unnecessary to additionally set an external independent detection circuit, by which not only a design cost is decreased, an extra standby loss is also avoided. Moreover, the method of using the control chip to execute detection of the AC input power can effectively decrease detection deviation, so as to notify the load system within an allowable (accurate) time (i.e. the predetermined time). Moreover, the control chip can determine and adjust the predetermined time within which the indication signal is generated to notify the load system according to an application requirement of the load system, so that the power supply apparatus can be generally applied in different types of the load systems having a timing control requirement.

Abstract translation: 提供了一种电源装置，其中使用控制芯片来检测AC输入电力，使得不需要另外设置外部独立检测电路，由此不仅设计成本降低，额外的备用损耗是 也避免了。 此外，使用控制芯片执行AC输入电力的检测的方法可以有效地降低检测偏差，从而在允许（准确）的时间（即，预定时间）内通知负载系统。 此外，控制芯片可以根据负载系统的应用要求来确定和调整产生指示信号的预定时间以通知负载系统，使得电源装置通常可以应用于不同类型的负载 具有定时控制要求的系统。

公开(公告)号：US20140063868A1

公开(公告)日：2014-03-06

申请号：US14019551

申请日：2013-09-06

Applicant: FSP TECHNOLOGY INC.

Inventor： Yung-Hsiang Shih ,  Chang-Hsun Chiang

IPC: G05F1/563 ,  H02M1/42 ,  H02M3/335

CPC classification number: G05F1/563 ,  H02M1/4208 ,  H02M3/33507 ,  H02M2001/007 ,  Y02B70/126

Abstract: A power supply apparatus that includes a pulse width modulation (PWM) based power conversion unit and a power factor correction (PFC) conversion unit is provided. The PWM-based power conversion unit is configured to receive a direct current (DC) input voltage and perform pulse width modulation on the received DC input voltage in response to a power supply request of a load, so as to generate a DC output voltage to the load. The PFC conversion unit is coupled to the PWM-based power conversion unit and configured to perform power factor correction on a rectification voltage associated with an alternating current (AC) input voltage, so as to generate the DC input voltage. The PFC conversion unit is further configured to adjust the generated DC input voltage in response to a variation of the load.

Abstract translation: 提供一种包括基于脉宽调制（PWM）功率转换单元和功率因数校正（PFC）转换单元）的电源设备。 基于PWM的功率转换单元被配置为响应于负载的电源请求而接收直流（DC）输入电压并对所接收的DC输入电压进行脉宽调制，以便产生直流输出电压 负载。 PFC转换单元耦合到基于PWM的功率转换单元，并被配置为对与交流（AC）输入电压相关的整流电压执行功率因数校正，以便产生DC输入电压。 PFC转换单元还被配置为响应于负载的变化来调整所生成的DC输入电压。

公开(公告)号：US20130342979A1

公开(公告)日：2013-12-26

申请号：US13914593

申请日：2013-06-10

Applicant: 3Y POWER TECHNOLOGY (TAIWAN), INC. ,  FSP TECHNOLOGY INC.

Inventor： Cheng-Hsuan Chen

IPC: H05K7/14

CPC classification number: H05K7/1401 ,  H02J1/00 ,  H02J4/00 ,  H05K7/1492 ,  Y10S439/911

Abstract: A power device suited for being assembled in a chassis and connected with a plug is provided. The power device includes a housing, and a receptacle, a spring clamp, a position limiting element disposed on the housing. The plug is removably connected to the receptacle. The spring clamp has a moving end. The position limiting element is located between the spring clamp and the receptacle. The position limiting element and the moving end of the spring clamp are linked together to move between a first position and a second position relative to the housing. When the plug connects to the receptacle, the position limiting element is interfered with the plug and the spring clamp simultaneously so that the spring clamp is constrained at the first position.

Abstract translation: 提供了适合于组装在底盘中并与插头连接的电力设备。 功率器件包括壳体和插座，弹簧夹，设置在壳体上的限位元件。 插头可拆卸地连接到插座。 弹簧夹具有移动端。 位置限制元件位于弹簧夹和插座之间。 位置限制元件和弹簧夹的移动端连接在一起，以相对于壳体在第一位置和第二位置之间移动。 当插头连接到插座时，位置限制元件同时干扰插头和弹簧夹，使得弹簧夹限制在第一位置。