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公开(公告)号：US11201546B2
公开(公告)日：2021-12-14
申请号：US16857169
申请日：2020-04-23
Applicant: FSP TECHNOLOGY INC.
Inventor： Kuo-Fan Lin
Abstract: A power converter including: an output unit outputs a converted voltage; a transformer includes a first primary wiring, second primary wiring, and a secondary wiring; a first switch unit is coupled between first primary wiring and a second node; a delay unit is coupled to a control terminal of first switch unit; a first control unit generates a first control signal according to the converted voltage to control ON/OFF state of the first switch unit via the delay unit; the processing unit, coupled between the input voltage and the first node, receives, stores induced power of first induced voltage and releases the stored energy; and the second control unit generates a second control signal to control ON/OFF state of a second switch unit of processing unit to control receiving or releasing the energy according to the input voltage and induced power of first primary wiring.
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公开(公告)号：US10439490B2
公开(公告)日：2019-10-08
申请号：US16005707
申请日：2018-06-12
Applicant: FSP TECHNOLOGY INC.
Inventor： Kuo-Fan Lin
IPC: H02M1/42 , H02M7/219 , H02M7/5387 , H02M3/158 , H03K17/06 , H03K17/0812 , H03K17/30
Abstract: A rectifier, including: a first and a second input terminal, a first output terminal and at least one rectifying circuit. Each rectifying circuit including: a switching circuit including a transistor, and a driving circuit. The driving circuit is coupled to the switching circuit and controls a switching status of the switching circuit, and includes a totem-pole circuit and an input transistor. The totem-pole circuit includes an input terminal and an output terminal coupled to the transistor. The input transistor is coupled between the totem-pole circuit and the switching circuit. The at least one rectifying circuit includes a first and a second rectifying circuit. The transistors of the first rectifying circuit and the second rectifying circuit are coupled to the first output terminal. The input transistors of the first rectifying circuit and the second rectifying circuit are coupled to the first input terminal and the second input terminal, respectively.
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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.
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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
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.
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公开(公告)号：US20200343818A1
公开(公告)日：2020-10-29
申请号：US16857169
申请日：2020-04-23
Applicant: FSP TECHNOLOGY INC.
Inventor： Kuo-Fan Lin
Abstract: A power converter including: an output unit outputs a converted voltage; a transformer includes a first primary wiring, second primary wiring, and a secondary wiring; a first switch unit is coupled between first primary wiring and a second node; a delay unit is coupled to a control terminal of first switch unit; a first control unit generates a first control signal according to the converted voltage to control ON/OFF state of the first switch unit via the delay unit; the processing unit, coupled between the input voltage and the first node, receives, stores induced power of first induced voltage and releases the stored energy; and the second control unit generates a second control signal to control ON/OFF state of a second switch unit of processing unit to control receiving or releasing the energy according to the input voltage and induced power of first primary wiring.
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Patent Agency Ranking
公开(公告)号：US09859790B2
公开(公告)日：2018-01-02
申请号：US15469590
申请日：2017-03-27
Applicant: FSP TECHNOLOGY INC.
Inventor： Kuo-Fan Lin , Fu-Kai Tu
CPC classification number: H02M3/04 , G01R21/06 , G01R21/127 , G01R21/133 , H02M1/42 , H02M1/44 , H02M7/04
Abstract: A power detection and transmission circuit is provided. The power detection and transmission circuit includes a first conversion circuit, a second conversion circuit and a signal coupling circuit. The first conversion circuit is electrically connected to a power supply module to receive an analog input signal, and is arranged for converting the analog input signal to a first pulse width modulation (PWM) signal. The second conversion circuit is arranged for converting a second PWM signal to an analog regenerated signal, and transmitting the analog regenerated signal to a microcontroller, wherein the microcontroller calculates power information of the power supply module according to the analog regenerated signal. The signal coupling circuit is coupled between the first conversion circuit and the second conversion circuit, and is arranged for coupling the first PWM signal to the second conversion circuit and accordingly generating the second PWM signal.
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公开(公告)号：US20170288530A1
公开(公告)日：2017-10-05
申请号：US15469590
申请日：2017-03-27
Applicant: FSP TECHNOLOGY INC.
Inventor： Kuo-Fan Lin , Fu-Kai Tu
CPC classification number: H02M3/04 , G01R21/06 , G01R21/127 , G01R21/133 , H02M1/42 , H02M1/44 , H02M7/04
Abstract: A power detection and transmission circuit is provided. The power detection and transmission circuit includes a first conversion circuit, a second conversion circuit and a signal coupling circuit. The first conversion circuit is electrically connected to a power supply module to receive an analog input signal, and is arranged for converting the analog input signal to a first pulse width modulation (PWM) signal. The second conversion circuit is arranged for converting a second PWM signal to an analog regenerated signal, and transmitting the analog regenerated signal to a microcontroller, wherein the microcontroller calculates power information of the power supply module according to the analog regenerated signal. The signal coupling circuit is coupled between the first conversion circuit and the second conversion circuit, and is arranged for coupling the first PWM signal to the second conversion circuit and accordingly generating the second PWM signal.
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8.发明授权公开(公告)号：US09735667B2
公开(公告)日：2017-08-15
申请号：US15159794
申请日：2016-05-19
Applicant: FSP TECHNOLOGY INC.
Inventor： Kuo-Fan Lin
CPC classification number: H02M1/36 , H02M1/4225 , H02M3/33507 , H02M2001/007 , Y02B70/126 , Y02P80/112
Abstract: A management circuit for a power supply is provided. The power supply includes a power factor correction circuit and a power conversion circuit. An output of the power factor correction circuit is coupled to an input of the power conversion circuit. The management circuit includes a power factor correction controller, a pulse width modulation controller and a control circuit. The power factor correction controller controls power factor correction of the power factor correction circuit. The pulse width modulation controller controls power conversion of the power conversion circuit. The control circuit selectively activates the pulse width modulation controller according to a first activated signal generated by an input power of the power supply. After the pulse width modulation controller is activated, the control circuit generates a second activated signal based on the first activated signal. The control circuit activates the power factor conversion controller according to the second activated signal.
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公开(公告)号：US20180375427A1
公开(公告)日：2018-12-27
申请号：US16005707
申请日：2018-06-12
Applicant: FSP TECHNOLOGY INC.
Inventor： Kuo-Fan Lin
IPC: H02M1/42 , H02M7/219 , H03K17/0812 , H02M7/5387 , H03K17/06 , H02M3/158
CPC classification number: H02M1/4233 , H02M3/1588 , H02M7/219 , H02M7/5387 , H02M2007/2195 , H03K17/063 , H03K17/08122 , H03K2017/307
Abstract: A rectifier, including: a first and a second input terminal, a first output terminal and at least one rectifying circuit. Each rectifying circuit including: a switching circuit including a transistor, and a driving circuit. The driving circuit is coupled to the switching circuit and controls a switching status of the switching circuit, and includes a totem-pole circuit and an input transistor. The totem-pole circuit includes an input terminal and an output terminal coupled to the transistor. The input transistor is coupled between the totem-pole circuit and the switching circuit. The at least one rectifying circuit includes a first and a second rectifying circuit. The transistors of the first rectifying circuit and the second rectifying circuit are coupled to the first output terminal. The input transistors of the first rectifying circuit and the second rectifying circuit are coupled to the first input terminal and the second input terminal, respectively.
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公开(公告)号：US20170047838A1
公开(公告)日：2017-02-16
申请号：US15202579
申请日：2016-07-06
Applicant: FSP TECHNOLOGY INC.
Inventor： Kuo-Fan Lin
CPC classification number: H01R24/68 , H01R13/6658 , H01R2103/00 , H02M7/003 , H02M7/12
Abstract: A power adapter including a main circuit board and an auxiliary circuit board is provided. The main circuit board has a first surface and a second surface opposite to each other, and the first surface of the main circuit board is configured with a transformer and a first capacitor. The auxiliary circuit board has a first surface and a second surface opposite to each other, and the first surface of the auxiliary circuit board is configured with an input rectifier filter circuit, where the auxiliary circuit board is disposed in parallel above the main circuit board, and the input rectifier filter circuit of the auxiliary circuit board is electrically connected to the first capacitor of the main circuit board. Under a condition of same electrical parameters and dimensions, the volume of the power adapter of the invention is only a half of that of the existing power adapter, which satisfies a demand for miniaturization of the electronic devices.
Abstract translation: 提供了包括主电路板和辅助电路板的电源适配器。 主电路板具有彼此相对的第一表面和第二表面，并且主电路板的第一表面配置有变压器和第一电容器。 辅助电路板具有彼此相对的第一表面和第二表面，并且辅助电路板的第一表面配置有输入整流器滤波电路，其中辅助电路板平行设置在主电路板上方， 并且辅助电路板的输入整流滤波电路电连接到主电路板的第一电容器。 在相同的电气参数和尺寸的条件下，本发明的电力适配器的体积只是现有电力适配器的体积的一半，其满足电子设备的小型化需求。
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