公开(公告)号：US20190075672A1

公开(公告)日：2019-03-07

申请号：US16041933

申请日：2018-07-23

Applicant: FSP TECHNOLOGY INC.

Inventor： Ting-Chuan Chu

IPC: H05K7/02 ,  H05K7/10 ,  H01R27/02 ,  H01R13/512

Abstract: An additional function device of an external power supply module includes a converter and a connecting line. With an input port configured at the converter in the additional function device, detachable assembly and connection to a power core unit can be achieved, and a plurality of power core units can be further assembled and connected to achieve a composite or redundant power output. Thus, the additional function device of an external power supply module is provided with diversified matching capabilities, enabling the additional function device of the external power supply module to be effectively utilized and reducing resource waste.

公开(公告)号：US20170287631A1

公开(公告)日：2017-10-05

申请号：US15464269

申请日：2017-03-20

Applicant: FSP TECHNOLOGY INC.

Inventor： Kuo-Fan Lin ,  Fu-Kai Tu

IPC: H01F41/02 ,  H01F1/147 ,  H01F1/22 ,  H01F41/061

CPC classification number: H01F27/346 ,  H01F3/14 ,  H01F17/043 ,  H01F2017/046

Abstract: A manufacturing method of a magnetic element includes the following steps: forming a block including a central post and at least one lateral post with magneto-conductive materials; cutting the block along a first plane passing through the central and lateral posts to form a first half body and a second half body; combining the first half body with the second half body to form a first air gap between the central post of the first half body and the central post of the second half body and a second air gap between the lateral post of the first half body and the lateral post of the second half body; and cutting or grinding the combined first half body and second half body along a second plane passing through the central post and the lateral post to form a third half body including the first and second air gaps.

公开(公告)号：US20170287616A1

公开(公告)日：2017-10-05

申请号：US15464263

申请日：2017-03-20

Applicant: FSP TECHNOLOGY INC.

Inventor： Kuo-Fan Lin ,  Fu-Kai Tu

IPC: H01F27/24 ,  H02M1/42 ,  H01F27/28

CPC classification number: H01F27/2847 ,  H01F3/14 ,  H01F27/263

Abstract: A magnetic element of the present invention includes a magnetic core member and a winding. The magnetic core member includes a central post, at least one lateral post and a winding space, and the winding is disposed in the winding space and around the central post. The central post includes a plurality of central air gaps, and the at least one lateral post includes a plurality of lateral air gaps.

公开(公告)号：US09653985B2

公开(公告)日：2017-05-16

申请号：US14454734

申请日：2014-08-08

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

Inventor： Ming Xu ,  Fei-Yue Duan

IPC: H02M3/335 ,  H02M1/32 ,  H02M1/00

CPC classification number: H02M1/32 ,  H02M3/33569 ,  H02M2001/0058 ,  Y02B70/1433 ,  Y02B70/1491 ,  Y02P80/112

Abstract: A resonant converter and its controlling method are provided. The resonant converter includes a bridge switching circuit receiving a DC input voltage through its power terminal, a resonant and transforming circuit, a rectifying and filtering circuit, and an over-current protecting circuit. The resonant and transforming circuit has at least one resonant capacitor charged/discharged in response to the switching of the bridge switching circuit. The rectifying and filtering circuit rectifies and filters outputs of the resonant and transforming circuit, and generates a driving voltage accordingly. The over-current protecting circuit is coupled to the power terminal and crosses over the resonant capacitor to form a clamp path. The over-current protecting circuit detects a current flowing through the resonant and transforming circuit or a load and determines whether to conduct/cut off the clamp path according to the detection result to limit a cross voltage of the resonant capacitor within a first voltage range.

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：US20170018934A1

公开(公告)日：2017-01-19

申请号：US15145817

申请日：2016-05-04

Applicant: FSP TECHNOLOGY INC.

Inventor： Chien-Li Tsai

IPC: H02J5/00 ,  H02M7/04 ,  H02M3/04

Abstract: A power conversion apparatus including a main power converter and an auxiliary power converter is provided. The main power converter converts an AC power to a first DC power, and then converts the first DC power to a DC output power. The main power converter has a first power conversion terminal for outputting the first DC power. The auxiliary power converter converts an auxiliary power to a second DC power, and then converts the second DC power to the DC output power. The auxiliary power converter has a second power conversion terminal for outputting the second DC power. The first power conversion terminal and the second power conversion terminal are commonly coupled to a DC power conversion circuit, such that the main power converter and the auxiliary power converter share the DC power conversion circuit and generate a DC output power.

Abstract translation: 提供一种包括主电力转换器和辅助电力转换器的电力转换装置。 主电源转换器将AC电源转换为第一DC电力，然后将第一DC电力转换为DC输出功率。 主电力转换器具有用于输出第一直流电力的第一电力转换终端。 辅助电力转换器将辅助电力转换为第二直流电力，然后将第二直流电力转换为直流输出功率。 辅助电力转换器具有用于输出第二直流电力的第二电力转换终端。 第一电力转换终端和第二电力转换终端共同耦合到DC电力转换电路，使得主电力转换器和辅助电力转换器共享DC电力转换电路并产生DC输出电力。

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：US20150244288A1

公开(公告)日：2015-08-27

申请号：US14631845

申请日：2015-02-26

Applicant: FSP TECHNOLOGY INC.

Inventor： Han-Wei Chen ,  Chun-Hao Yu ,  Chia-Hua Liu

IPC: H02M7/5387

CPC classification number: H02M7/53871 ,  H02M2001/0058 ,  Y02B70/1491

Abstract: An inverting apparatus including an inverting circuit and a control circuit is provided. The inverting circuit has a first bridge arm unit, a second bridge arm unit, and an energy charging/discharging unit. The energy charging-discharging unit is coupled between the first bridge and the second bridge arm units. The first bridge ail 1 unit is switched according to a first and a second control signals and the second bridge arm unit is switched according to a third and a fourth control signals, so as to converts a DC input voltage into an AC output voltage. The control circuit controls the power conversion of the inverting circuit by the control signals. The control circuit samples magnetizing currents flow through the first and the second bridge arm units so as to adjust switch timing of the control signals, and thus the inverting circuit is operated at the boundary conduction mode (BCM).

Abstract translation: 提供了包括反相电路和控制电路的反相装置。 反相电路具有第一桥臂单元，第二桥臂单元和能量充放电单元。 能量充放电单元耦合在第一桥和第二桥臂单元之间。 根据第一和第二控制信号切换第一桥单元1，并且根据第三和第四控制信号切换第二桥臂单元，以将DC输入电压转换为AC输出电压。 控制电路通过控制信号控制反相电路的功率转换。 控制电路采样磁化电流流过第一和第二桥臂单元，以便调节控制信号的开关定时，因此反相电路在边界传导模式（BCM）下运行。

公开(公告)号：US20150244285A1

公开(公告)日：2015-08-27

申请号：US14631846

申请日：2015-02-26

Applicant: FSP TECHNOLOGY INC.

Inventor： Han-Wei Chen ,  Chun-Hao Yu ,  Chia-Hua Liu

IPC: H02M7/44 ,  G01R21/06

CPC classification number: G01R21/06 ,  G05F1/67 ,  H02J3/385 ,  H02M7/48 ,  Y02E10/58

Abstract: An inverting apparatus and a control method thereof are provided. The inverting apparatus includes an inverting circuit, a detection circuit, and a control circuit. The inverting circuit converts a DC input power into an AC output power. The detection circuit detects an input voltage and an input current. The control circuit provides a control signal for disturbing the input voltage, such that a voltage value of the input voltage is adjusted to a command voltage represented by the control signal. The control circuit calculates an input power corresponding to each of time points, calculates a power variation between the disturbed power and the undisturbed power, then determines whether the power variation is larger than a predetermined variation, and sets a disturbance voltage according to the determination result, based on an MPPT operation or based on a disturbance direction of the command voltage of the previous time point.

Abstract translation: 提供了翻转装置及其控制方法。 反相装置包括反相电路，检测电路和控制电路。 反相电路将直流输入功率转换为交流输出功率。 检测电路检测输入电压和输入电流。 控制电路提供用于干扰输入电压的控制信号，使得输入电压的电压值被调整为由控制信号表示的指令电压。 控制电路计算与每个时间点对应的输入功率，计算干扰功率与未干扰功率之间的功率变化，然后确定功率变化是否大于预定变化，并根据确定结果设置干扰电压 ，基于MPPT操作或基于前一时间点的指令电压的干扰方向。