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公开(公告)号：US20210408920A1
公开(公告)日：2021-12-30
申请号：US17471652
申请日：2021-09-10
Applicant: Chicony Power Technology Co., Ltd.
Inventor： Tso-Jen Peng , Ssu-Hao Wang
Abstract: A flyback power-converting device includes a transformer circuit, a clamp damping circuit, a first switch, a voltage-reducing circuit and a second switch. The clamp damping circuit and the first switch are coupled to the transformer circuit. The voltage-reducing circuit and the second switch are coupled in series between the clamp damping circuit and the transformer circuit. Through switching of the first switch, the transformer circuit converts an input power to generate a first converted voltage and to enable the clamp damping circuit to store an inductive energy. In addition, when the second switch is turned on, the clamp damping circuit releases the inductive energy to the transformer circuit via the voltage-reducing circuit, so that the transformer circuit generates a second converted voltage according to the inductive energy.
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公开(公告)号：US10381932B1
公开(公告)日：2019-08-13
申请号：US16121658
申请日：2018-09-05
Applicant: Chicony Power Technology Co., Ltd.
Inventor： Ssu-Hao Wang , Tso-Jen Peng
Abstract: A power conversion device includes a primary side rectifier, a main converter, a secondary side rectifier, a secondary side feedback controller, a PWM controller, and a driving compensator. The primary side rectifier is configured to generate a first voltage. The main converter includes a power transistor and is configured to adjust the first voltage to generate a second voltage according to a control signal. The secondary side rectifier is configured to generate an output voltage according to the second voltage. The secondary side feedback controller is configured to generate a feedback signal according to the output voltage. The PWM controller is configured to generate a PWM signal according to the feedback signal. The driving compensator includes a driving resistor circuit. The PWM signal outputs the control signal through the driving resistor circuit, and the driving compensator adjusts a resistance value of the driving resistor circuit according to the first voltage.
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公开(公告)号：US11817788B1
公开(公告)日：2023-11-14
申请号：US17869897
申请日：2022-07-21
Applicant: Chicony Power Technology Co., Ltd.
Inventor： Tso-Jen Peng , Ssu-Hao Wang , Mao-Song Pan
CPC classification number: H02M3/33571 , H02M3/155 , H02M3/33507 , H02M3/33569 , H02M3/33576
Abstract: A voltage converter includes a feedback controller, a primary-side controller, a secondary-side controller, a primary-side rectification-filtration circuit, a boost converter, and a voltage conversion circuit. The feedback controller receives a voltage demand signal from an output end to output a first feedback signal and a second feedback signal. The primary-side controller generates a boost control signal and a first switching control signal according to the first feedback signal. The secondary-side controller generates a second switching control signal according to the second feedback signal. The boost converter is configured to boost a DC voltage outputted by the primary-side rectification-filtration circuit into a first voltage according to the boost control signal. The operation mode of the voltage conversion circuit is switched between a half-bridge rectification mode and a full-bridge rectification mode according to the first and second switching control signals. A method for voltage conversion is also provided.
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公开(公告)号：US11764689B2
公开(公告)日：2023-09-19
申请号：US17471652
申请日：2021-09-10
Applicant: Chicony Power Technology Co., Ltd.
Inventor： Tso-Jen Peng , Ssu-Hao Wang
CPC classification number: H02M3/33569 , H02M1/083 , H02M1/34 , H02M3/33507
Abstract: A flyback power-converting device includes a transformer circuit, a clamp damping circuit, a first switch, a voltage-reducing circuit and a second switch. The clamp damping circuit and the first switch are coupled to the transformer circuit. The voltage-reducing circuit and the second switch are coupled in series between the clamp damping circuit and the transformer circuit. Through switching of the first switch, the transformer circuit converts an input power to generate a first converted voltage and to enable the clamp damping circuit to store an inductive energy. In addition, when the second switch is turned on, the clamp damping circuit releases the inductive energy to the transformer circuit via the voltage-reducing circuit, so that the transformer circuit generates a second converted voltage according to the inductive energy.
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公开(公告)号：US20220286045A1
公开(公告)日：2022-09-08
申请号：US17313007
申请日：2021-05-06
Applicant: Chicony Power Technology Co., Ltd.
Inventor： Tso-Jen Peng , Mao-Song Pan , Yi Ching Su
Abstract: The disclosure provides a power supply and an operation method thereof. The power supply includes a power factor correction (PFC) circuit, a resonant conversion circuit and a dead zone control circuit. The PFC circuit performs power factor correction to output a corrected voltage. The resonant conversion circuit is coupled to the PFC circuit to receive the corrected voltage. The resonant conversion circuit converts the corrected voltage into a converted voltage. The dead zone control circuit is coupled to the resonant conversion circuit to receive the switch voltage. The dead zone control circuit controls the PFC circuit to adjust the corrected voltage. The dead zone control circuit observes the change trend of the falling time of the switch voltage in the deadtime by adjusting the corrected voltage. The dead zone control circuit determines the corrected voltage according to the change trend of the switch voltage.
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Patent Agency Ranking
公开(公告)号：US20200076315A1
公开(公告)日：2020-03-05
申请号：US16164825
申请日：2018-10-19
Applicant: Chicony Power Technology Co., Ltd.
Inventor： Tso-Jen Peng , Hsuan-Yu Lai , Mao-Song Pan
IPC: H02M3/335
Abstract: A voltage converter and a voltage conversion method are provided. The voltage converter includes a transformer, a primary side conversion circuit, a secondary side conversion circuit, and a first capacitor. The transformer includes a bobbin, a core, a primary coil, and a secondary coil. The primary coil and the secondary coil are wound around the bobbin, and the bobbin covers the core. The first capacitor provides a common mode noise conduction path according to a capacitance value of the first capacitor.
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公开(公告)号：US10020751B1
公开(公告)日：2018-07-10
申请号：US15851084
申请日：2017-12-21
Applicant: Chicony Power Technology Co., Ltd.
Inventor： Tso-Jen Peng , Yi-Ching Su
CPC classification number: H02M3/33561 , H02J1/04 , H02J1/08 , H02J13/0096 , H02M2001/0003 , H02M2005/2932
Abstract: A multi-output control system includes a power conversion module, a first active linear module, a second active linear module, a control module and a feedback control module. The control module controls the feedback control module to adjust an output power based on current signals. The first active linear module and the second active linear module determine whether a difference value between a current value of a first output power and a current value of a second output power is greater than a current difference predetermined value based on the current signals, and the control module adjusts a voltage value of the first output power and a voltage value of the second output power to respectively be within a predetermined voltage range based on the current signals.
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公开(公告)号：US09391526B2
公开(公告)日：2016-07-12
申请号：US14523294
申请日：2014-10-24
Applicant: Chicony Power Technology Co., Ltd.
Inventor： Tso-Jen Peng , Ssu-Hao Wang
IPC: H02M3/335
CPC classification number: H02M3/33507 , H02M2001/0006
Abstract: A power supply apparatus includes a main converter, an auxiliary winding switching circuit and a pulse width modulation controller. The main converter includes a transformer. The transformer includes a primary side winding, a secondary side winding and an auxiliary winding. The auxiliary winding includes a first winding and a second winding. According to a secondary side voltage, the first winding induces to generate a first voltage, and the second winding induces to generate a second voltage. The first voltage is greater than the second voltage. The auxiliary winding switching circuit sends the first voltage to the pulse width modulation controller when the first voltage is not greater than a predetermined voltage. The auxiliary winding switching circuit sends the second voltage to the pulse width modulation controller when the first voltage is greater than the predetermined voltage.
Abstract translation: 电源装置包括主转换器，辅助绕组切换电路和脉宽调制控制器。 主转换器包括一个变压器。 变压器包括一次侧绕组，二次侧绕组和辅助绕组。 辅助绕组包括第一绕组和第二绕组。 根据次级侧电压，第一绕组引起产生第一电压，并且第二绕组引起产生第二电压。 第一电压大于第二电压。 当第一电压不大于预定电压时，辅助绕组切换电路将第一电压发送到脉宽调制控制器。 当第一电压大于预定电压时，辅助绕组开关电路将第二电压发送到脉宽调制控制器。
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公开(公告)号：US20230141926A1
公开(公告)日：2023-05-11
申请号：US17548603
申请日：2021-12-13
Applicant: Chicony Power Technology Co., Ltd.
Inventor： Tso-Jen Peng , Ssu Hao Wang , Mao-Song Pan
Abstract: A transformer including a winding frame, a first coil, a second coil, a locating piece, and two iron core pieces is provided. The winding portion has a through hole. The first baffle and the second baffle are respectively and horizontally extended from two opposite ends of the winding portion. The terminal socket is connected to the second baffle. The first coil is wound on the winding portion and electrically coupled to the terminal socket. The second coil is disposed around the first coil and the two are spaced apart from each other. The second coil has a plurality of copper sheets located between the first baffle and the second baffle. The locating piece is correspondingly disposed on the winding frame to locate the second coil. The two iron core pieces are respectively disposed on the second baffle of the winding frame and the locating piece.
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公开(公告)号：US11532982B2
公开(公告)日：2022-12-20
申请号：US17313007
申请日：2021-05-06
Applicant: Chicony Power Technology Co., Ltd.
Inventor： Tso-Jen Peng , Mao-Song Pan , Yi Ching Su
Abstract: The disclosure provides a power supply and an operation method thereof. The power supply includes a power factor correction (PFC) circuit, a resonant conversion circuit and a dead zone control circuit. The PFC circuit performs power factor correction to output a corrected voltage. The resonant conversion circuit is coupled to the PFC circuit to receive the corrected voltage. The resonant conversion circuit converts the corrected voltage into a converted voltage. The dead zone control circuit is coupled to the resonant conversion circuit to receive the switch voltage. The dead zone control circuit controls the PFC circuit to adjust the corrected voltage. The dead zone control circuit observes the change trend of the falling time of the switch voltage in the deadtime by adjusting the corrected voltage. The dead zone control circuit determines the corrected voltage according to the change trend of the switch voltage.
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