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公开(公告)号：US20220131457A1
公开(公告)日：2022-04-28
申请号：US17105786
申请日：2020-11-27
Applicant: INNO-TECH CO., LTD.
Inventor： Shu-Chia Lin , Tsu-Huai Chan , Chih-Feng Lin
Abstract: Disclosed is a power control system of adaptive control of turn on time, including a primary side digital controller, a secondary side synchronization controller, a rectification unit, a power unit, a transformer unit, a primary side switch unit, a current sensing unit, a secondary side switch unit, and a secondary side output capacitor for implementing a function of flyback power conversion. The secondary side synchronization controller is intended to turn on or off the secondary side switch unit to achieve a synchronization function of rectification, and the primary side digital controller reduces a primary side drain-source voltage of the primary side switch unit and a secondary side drain-source voltage of the secondary side switch unit by reducing a current sensing limit used to compare with the current sensing signal. The power control system thus greatly improves stability and endurance of the overall operation.
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公开(公告)号：US20210384835A1
公开(公告)日：2021-12-09
申请号：US16993360
申请日：2020-08-14
Applicant: INNO-TECH CO., LTD.
Inventor： Shu-Chia Lin , Tsu-Huai Chan , Chih-Feng Lin
Abstract: Disclosed is a variable-frequency power controller. The controller includes a power pin, a ground pin, a driving pin, a voltage sensing pin, and a loading voltage sensing pin, and is in collocation with a rectification unit, an inductor unit, a switch unit, an output unit, a voltage sensing unit, and a loading voltage sensing unit to implement a variable-frequency power control of power conversion. The controller performs one of the burst mode, valley switch mode, quasi-resonance (QR) mode, conduction mode, and peak loading mode based on a wide range of loading level. In particular, the loading level covered by the present invention includes the ultra-light, light, middle, full, and over-heavy loading, and the features of power saving, low switching loss, operation safety are thus achieved. Further, any over design employed to meet the wide range of loading level is prevented.
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公开(公告)号：US11165336B1
公开(公告)日：2021-11-02
申请号：US16922053
申请日：2020-07-07
Applicant: INNO-TECH CO., LTD.
Inventor： Shu-Chia Lin , Tsu-Huai Chan , Chih-Feng Lin
Abstract: Disclosed is a method of controlling a time parameter performed by a power controller having a power pin, a ground pin, a driving pin, a time parameter selecting pin, a feedback pin, and a current sensing pin. The power controller is in collocation with a rectification unit, a transformer, a switch unit, a power output unit, and a feedback unit. A Pulse Width Modulation (PWM) frequency of a driving signal, an Over-Voltage Protection (OVP) delay time, and an Under-Voltage Protection (UVP) delay time are preset in the power controller. An external time parameter selecting signal is received through the time parameter selecting pin to dynamically update the PWM frequency, the OVP delay time, or the UVP delay time, thereby greatly increasing efficiency of power conversion and avoiding malfunction of OVP or UVP.
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公开(公告)号：US11146174B2
公开(公告)日：2021-10-12
申请号：US16749130
申请日：2020-01-22
Applicant: INNO-TECH CO., LTD.
Inventor： Chih-Feng Lin , Shu-Chia Lin , Tsu-Huai Chan
Abstract: Disclosed is a dynamic multi-functional power controller in collocation with a primary side coil, a switching unit, and a current sensing resistor, performing a power control process. An induced current is generated by a secondary side coil coupled with the primary side coil through electromagnetic interaction with a conduction current flowing through the primary side coil, and an output power is generated to supply an external load when the induced current flows through an output rectification unit and an output filter unit. The power control process includes detecting if any abnormal state occurs, stopping a driving signal, waiting for a period of time, and then re-sending the driving signal. Thus, the present invention provides protection for various kinds of peak loading, avoids high power state when an abnormal state is not resolved, and further reduces the average output power, thereby implementing power saving.
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公开(公告)号：US10784854B1
公开(公告)日：2020-09-22
申请号：US16568914
申请日：2019-09-12
Applicant: INNO-TECH CO., LTD.
Inventor： Chih-Feng Lin , Shu-Chia Lin , Tsu-Huai Chan
IPC: H03K17/16
Abstract: Disclosed is a power control device suitably applied to the field of driving a microelectronic element like MOSFET. Based on Miller plateau voltage of the microelectronic element such as MOSFET, the power control device can dynamically adjust driving capability and set a driving voltage so as to control and balance turn-on loss and switch loss, and further achieve an optimal average efficiency, particularly, for selecting or replacing the microelectronic element like MOSFET. Also, an electronic system provided with the power control device effectively solves the problem of Electromagnetic Interference (EMI) imposed on peripheral devices.
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Patent Agency Ranking
公开(公告)号：US09762131B1
公开(公告)日：2017-09-12
申请号：US15161315
申请日：2016-05-23
Applicant: INNO-TECH CO., LTD.
Inventor： Chih-Liang Wang , Ching-Sheng Yu , Wen-Yen Pen
CPC classification number: H02M3/33523 , H02M1/08 , H02M1/36 , H02M2001/0006 , H02M2001/0009
Abstract: Disclosed is an Auxiliary-Free High-Side Driven Secondary-Side Regulated (AF-HSD-SSR) flyback converter, which includes an AC-to-DC rectification unit, an input capacitor, a switching unit, a current-sensing resistor, an Auxiliary-Free (AF) flyback transformer, an output rectifier, an output capacitor, a PWM controller, and a SSR unit. The AF flyback transformer includes a primary winding and a secondary winding, where the primary winding is split into two halves. The switching unit is placed at the high side of the primary winding, and the PWM controller in collocation with the SSR unit drives the switching unit in response to all the required voltage and current sense signals to keep voltage conversion and power delivery safe and efficient within the specifications. The first half of the primary winding can provide the PWM controller with a continuous and steady working voltage supply after startup, thus eliminating the need for the auxiliary winding.
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公开(公告)号：US09742293B2
公开(公告)日：2017-08-22
申请号：US15224719
申请日：2016-08-01
Applicant: INNO-TECH CO., LTD.
Inventor： Shu-Chia Lin , Chih-Liang Wang , Ching-Sheng Yu
CPC classification number: H02M3/33507 , H02M1/08 , H02M1/32 , H02M1/36 , H02M2001/0009
Abstract: A power supply and a method of power supplying for converting an external alternating power into an output power with appropriate voltage and power are disclosed. The power supply includes an input charging unit, an input filtering unit, a regulating unit, a transformer, a controller, an output unit, an output capacitor, a switching unit and a feedback unit. The regulating unit is connected to the input filtering unit and comprises a regulating capacitor and a regulator connected in series. The regulator is controlled by the controller to perform one of the working modes including initial open circuit, power on conduction, short circuit normal operation and over-voltage open circuit protection. Therefore, the present invention overcomes the problem of inrush current upon powering on, and particularly, the controller performs digital operation with flexibility to meet actual requirements by updating appropriate firmware of software program.
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公开(公告)号：US08134390B2
公开(公告)日：2012-03-13
申请号：US12651440
申请日：2009-12-31
Applicant: Ting-Chin Tsen , Shu-Chia Lin , Wen-Yueh Hsieh
Inventor： Ting-Chin Tsen , Shu-Chia Lin , Wen-Yueh Hsieh
IPC: H03K4/02
CPC classification number: H03K5/08
Abstract: An integrated circuit (IC) type voltage signal converter is provided for integrating with other ICs. The signal converter includes a first chopper circuit module, a second chopper circuit module, a full wave combining module, and a zero point detecting circuit module. Each of the circuit modules may be formed by an IC module. The first and second chopper circuit modules are composed of differential operational amplifiers for converting a high voltage signal into first and second low voltage half wave signals. The full wave combining module combines the first and second low voltage half wave signals to obtain a full wave signal. The zero point detecting circuit module converts the first and second low voltage half wave signals into a square wave having the same frequency of the high voltage signal.
Abstract translation: 提供集成电路（IC）型电压信号转换器，用于与其他IC集成。 信号转换器包括第一斩波电路模块，第二斩波电路模块，全波合成模块和零点检测电路模块。 每个电路模块可以由IC模块形成。 第一和第二斩波电路模块由用于将高电压信号转换为第一和第二低电压半波信号的差分运算放大器组成。 全波合成模块组合第一和第二低电压半波信号以获得全波信号。 零点检测电路模块将第一和第二低电压半波信号转换成具有相同频率的高电压信号的方波。
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公开(公告)号：US11233455B2
公开(公告)日：2022-01-25
申请号：US16993360
申请日：2020-08-14
Applicant: INNO-TECH CO., LTD.
Inventor： Shu-Chia Lin , Tsu-Huai Chan , Chih-Feng Lin
Abstract: Disclosed is a variable-frequency power controller. The controller includes a power pin, a ground pin, a driving pin, a voltage sensing pin, and a loading voltage sensing pin, and is in collocation with a rectification unit, an inductor unit, a switch unit, an output unit, a voltage sensing unit, and a loading voltage sensing unit to implement a variable-frequency power control of power conversion. The controller performs one of the burst mode, valley switch mode, quasi-resonance (QR) mode, conduction mode, and peak loading mode based on a wide range of loading level. In particular, the loading level covered by the present invention includes the ultra-light, light, middle, full, and over-heavy loading, and the features of power saving, low switching loss, operation safety are thus achieved. Further, any over design employed to meet the wide range of loading level is prevented.
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公开(公告)号：US20210336532A1
公开(公告)日：2021-10-28
申请号：US16922053
申请日：2020-07-07
Applicant: INNO-TECH CO., LTD.
Inventor： Shu-Chia Lin , Tsu-Huai Chan , Chih-Feng Lin
Abstract: Disclosed is a method of controlling a time parameter performed by a power controller having a power pin, a ground pin, a driving pin, a time parameter selecting pin, a feedback pin, and a current sensing pin. The power controller is in collocation with a rectification unit, a transformer, a switch unit, a power output unit, and a feedback unit. A Pulse Width Modulation (PWM) frequency of a driving signal, an Over-Voltage Protection (OVP) delay time, and an Under-Voltage Protection (UVP) delay time are preset in the power controller. An external time parameter selecting signal is received through the time parameter selecting pin to dynamically update the PWM frequency, the OVP delay time, or the UVP delay time, thereby greatly increasing efficiency of power conversion and avoiding malfunction of OVP or UVP.
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