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公开(公告)号：US20220294331A1
公开(公告)日：2022-09-15
申请号：US17580603
申请日：2022-01-20
Applicant: FSP TECHNOLOGY INC.
Inventor： Chang-Hsun Chiang , Yung-Hsiang Shih
IPC: H02M1/00 , H02M1/08 , G01K7/22 , G06F1/3296 , G06F1/3206
Abstract: A power supply and a power saving method thereof are provided. The power saving method includes: utilizing a monitoring circuit within the power supply to generate a monitoring signal according to operating loading of the power supply; and utilizing a control signal generating circuit within the power supply to generate a control signal according to the monitoring signal, to drive at least two switch transistors within a circuitry within the power supply, wherein the switch transistors are connected in parallel.
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公开(公告)号：US09690311B2
公开(公告)日：2017-06-27
申请号：US14210458
申请日：2014-03-14
Applicant: FSP TECHNOLOGY INC.
Inventor： Yung-Hsiang Shih , Kun-Feng Hsu
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.
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公开(公告)号：US09531283B2
公开(公告)日：2016-12-27
申请号：US14306256
申请日：2014-06-17
Applicant: FSP TECHNOLOGY INC.
Inventor： Yung-Hsiang Shih , Kun-Feng Hsu
CPC classification number: H02M3/33561 , G06F1/26 , H02M2001/0032 , Y02B70/16 , Y10T307/406
Abstract: A power supply apparatus including a multi-outputs power supply circuit and a first regulating circuit is provided. The multi-outputs power supply circuit has a plurality of output terminals. The multi-outputs power supply circuit provides a first voltage from one output terminal among the output terminals and provides a second voltage from another one output terminal among the output terminals, where a rated voltage value of the first voltage is greater than a rated voltage value of the second voltage. The first regulating circuit is coupled between the one output terminal and the another one output terminal, where the first regulating circuit is enabled when the first voltage exceeds a first threshold, and begins to regulate the second voltage after being enabled.
Abstract translation: 提供一种包括多输出电源电路和第一调节电路的电源设备。 多输出电源电路具有多个输出端子。 多输出电源电路从输出端子之间的一个输出端子提供第一电压，并且在输出端子之间提供来自另一个输出端子的第二电压，其中第一电压的额定电压值大于额定电压值 的第二电压。 第一调节电路耦合在一个输出端子和另一个输出端子之间，其中第一调节电路在第一电压超过第一阈值时被使能，并且在使能之后开始调节第二电压。
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公开(公告)号：US20150270781A1
公开(公告)日：2015-09-24
申请号：US14644213
申请日：2015-03-11
Applicant: FSP TECHNOLOGY INC.
Inventor： Yung-Hsiang Shih , Chang-Hsun Chiang
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到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。
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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
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。
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Patent Agency Ranking
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
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。
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7.发明申请POWER SUPPLY APPARATUS WITH POWER FACTOR CORRECTION AND PULSE WIDTH MODULATION MECHANISM AND METHOD THEREOF 审中-公开具有功率因数校正和脉冲宽度调制机制的电源设备及其方法公开(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
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。
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公开(公告)号：US12015332B2
公开(公告)日：2024-06-18
申请号：US17580603
申请日：2022-01-20
Applicant: FSP TECHNOLOGY INC.
Inventor： Chang-Hsun Chiang , Yung-Hsiang Shih
IPC: H02M1/00 , G01K7/22 , G06F1/3206 , G06F1/3296 , H02M1/08 , H02M1/42
CPC classification number: H02M1/0035 , G01K7/22 , G06F1/3206 , G06F1/3296 , H02M1/0006 , H02M1/0054 , H02M1/08 , H02M1/4208
Abstract: A power supply and a power saving method thereof are provided. The power saving method includes: utilizing a monitoring circuit within the power supply to generate a monitoring signal according to operating loading of the power supply; and utilizing a control signal generating circuit within the power supply to generate a control signal according to the monitoring signal, to drive at least two switch transistors within a circuitry within the power supply, wherein the switch transistors are connected in parallel.
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公开(公告)号：US09570996B2
公开(公告)日：2017-02-14
申请号：US14019532
申请日：2013-09-05
Applicant: FSP TECHNOLOGY INC.
Inventor： Yung-Hsiang Shih , Chang-Hsun Chiang
CPC classification number: H02M3/33553 , H02M3/33561 , Y10T307/297
Abstract: A forward-based power conversion apparatus is provided. When the forward-based power conversion apparatus supplies a plurality of (at least two of) output voltages to a load, a reverse voltage, corresponding to a lower output voltage, of a secondary winding of a transformer is captured through an equipped output auxiliary unit, so as to assist an output of a higher output voltage. Accordingly, compared to that described in the related art, the reverse voltage of the secondary winding of the transformer described herein can be converted into an effective power output, so that overall power loss of the power conversion apparatus can be reduced, and conversion efficiency of the power conversion apparatus can be improved.
Abstract translation: 提供了一种基于正向的电力转换装置。 当基于正向的电力转换装置向负载提供多个（至少两个）输出电压时，通过配备的输出辅助单元捕获变压器的次级绕组对应于较低输出电压的反向电压 ，以便有助于输出更高的输出电压。 因此，与现有技术中描述的相比，本文所述的变压器的次级绕组的反向电压可以转换成有效的功率输出，从而可以降低功率转换装置的总功率损耗，并且可以降低转换效率 可以提高电力转换装置。
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公开(公告)号：US20140375127A1
公开(公告)日：2014-12-25
申请号：US14306256
申请日：2014-06-17
Applicant: FSP TECHNOLOGY INC.
Inventor： Yung-Hsiang Shih , Kun-Feng Hsu
CPC classification number: H02M3/33561 , G06F1/26 , H02M2001/0032 , Y02B70/16 , Y10T307/406
Abstract: A power supply apparatus including a multi-outputs power supply circuit and a first regulating circuit is provided. The multi-outputs power supply circuit has a plurality of output terminals. The multi-outputs power supply circuit provides a first voltage from one output terminal among the output terminals and provides a second voltage from another one output terminal among the output terminals, where a rated voltage value of the first voltage is greater than a rated voltage value of the second voltage. The first regulating circuit is coupled between the one output terminal and the another one output terminal, where the first regulating circuit is enabled when the first voltage exceeds a first threshold, and begins to regulate the second voltage after being enabled.
Abstract translation: 提供一种包括多输出电源电路和第一调节电路的电源设备。 多输出电源电路具有多个输出端子。 多输出电源电路从输出端子之间的一个输出端子提供第一电压，并且在输出端子之间提供来自另一个输出端子的第二电压，其中第一电压的额定电压值大于额定电压值 的第二电压。 第一调节电路耦合在一个输出端子和另一个输出端子之间，其中第一调节电路在第一电压超过第一阈值时被使能，并且在使能之后开始调节第二电压。
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