公开(公告)号：US08664928B2

公开(公告)日：2014-03-04

申请号：US13421847

申请日：2012-03-15

Applicant: Shu-Chia Lin ,  Wen-Yueh Hsieh ,  Ching-Yuan Lin

Inventor： Shu-Chia Lin ,  Wen-Yueh Hsieh ,  Ching-Yuan Lin

IPC: G05F1/00

CPC classification number: H02M3/158 ,  H02M1/4208 ,  H02M2001/009 ,  Y02B70/126 ,  Y10T307/258

Abstract: A digital power factor correction device is provided, which is an all-digital control module. The digital power factor correction device includes a voltage loop control unit, an input power control unit, a current loop control unit, and a pulse width modulation generation unit, to perform power factor correction for minimizing the phase difference between input current and input voltage through adjusting input current with an external driver and a switch unit. The voltage loop control unit and the current loop control unit contain a proportion-integral-differentiation controller to form a voltage control loop and a current control loop, respectively. The input power control unit adjusts current waveform according to the input power, while the pulse width modulation generation unit determines the stop time of pulse width modulation to produce a pulse width modulation signal, to control the external driver and the switch unit for eliminating loading effect.

Abstract translation: 提供了一种数字功率因数校正装置，它是全数字控制模块。 数字功率因数校正装置包括电压环路控制单元，输入功率控制单元，电流环路控制单元和脉冲宽度调制生成单元，以执行功率因数校正，以使输入电流和输入电压之间的相位差最小化 用外部驱动器和开关单元调节输入电流。 电压回路控制单元和电流回路控制单元分别包含比例积分微分控制器，分别形成电压控制回路和电流控制回路。 输入功率控制单元根据输入功率调整电流波形，而脉宽调制生成单元确定脉冲宽度调制的停止时间以产生脉宽调制信号，控制外部驱动器和开关单元以消除负载效应 。

公开(公告)号：US08213195B2

公开(公告)日：2012-07-03

申请号：US12691739

申请日：2010-01-22

Applicant: Ting-Chin Tsen ,  Shu-Chia Lin ,  Wen-Yueh Hsieh

Inventor： Ting-Chin Tsen ,  Shu-Chia Lin ,  Wen-Yueh Hsieh

IPC: H02M1/12 ,  H02M7/5387

CPC classification number: H02M7/4807 ,  H02M7/53873

Abstract: A PWM step wave and sine wave driving device is provided. The driving device includes an ADC unit, an input processing unit, a first pulse width calculation unit, a register unit, a first output unit, a zero point detecting unit, a second pulse width calculation unit, a second output unit, and a multiplexer output unit. The driving device receives input signals, and output desired step wave or sine wave driving signals for driving an external electric device. The driving device detects a point of zero voltage of the system power supply by the zero point detecting unit. When the system power supply is abnormal, the first output unit outputs predetermined PWM step wave output signals, or the second output unit outputs predetermined PWM sine wave output signals. In such a way, the external electric device can be maintained for regular operation, so that the malfunction or breakdown thereof is prevented.

Abstract translation: 提供PWM步进波和正弦波驱动装置。 驱动装置包括ADC单元，输入处理单元，第一脉冲宽度计算单元，寄存器单元，第一输出单元，零点检测单元，第二脉冲宽度计算单元，第二输出单元和多路复用器 输出单元。 驱动装置接收输入信号，并输出用于驱动外部电气装置的期望的步进波或正弦波驱动信号。 驱动装置通过零点检测部检测系统电源的零电压点。 当系统电源异常时，第一输出单元输出预定的PWM阶跃波输出信号，或者第二输出单元输出预定的PWM正弦波输出信号。 以这种方式，可以保持外部电气设备的正常操作，从而防止其故障或故障。

公开(公告)号：US11271471B2

公开(公告)日：2022-03-08

申请号：US16993337

申请日：2020-08-14

Applicant: INNO-TECH CO., LTD.

Inventor： Chin-Chuan Chen ,  Shu-Chia Lin ,  Chih-Liang Wang ,  Kuo-Jung Wu

IPC: H02M1/32 ,  H02M1/08 ,  H02M3/335 ,  H02M1/00

Abstract: The present invention discloses a power converter controller having a short-circuit protection threshold voltage no higher than an over-current protection threshold voltage so that any abnormal voltage or current stress on semiconductor components can be timely sensed via a current sense pin in the event of a short-circuit fault, effectively preventing semiconductor components from being damaged.

公开(公告)号：US20210328502A1

公开(公告)日：2021-10-21

申请号：US16993349

申请日：2020-08-14

Applicant: INNO-TECH CO., LTD.

Inventor： Chin-Chuan Chen ,  Shu-Chia Lin ,  Chih-Liang Wang

IPC: H02M1/32 ,  H02M3/335 ,  H02M1/08

Abstract: The present invention discloses a power converter controller with short-circuit protection employing a short-circuit protection increasing slope threshold no higher than an over-current protection increasing slope threshold to detect a short-circuit abnormality in advance through a current sensing pin while any semiconductor component suffering from abnormal voltage or over-current, thereby preventing the semiconductor components from damage.

公开(公告)号：US20210175811A1

公开(公告)日：2021-06-10

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

IPC: H02M3/335 ,  H02M1/08 ,  H02M1/36 ,  H02M1/32

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, sopping 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 abnormal state being not resolved, and further reduces the average output power, thereby implementing power saving.

公开(公告)号：US10938298B1

公开(公告)日：2021-03-02

申请号：US16699806

申请日：2019-12-02

Applicant: INNO-TECH CO., LTD.

Inventor： Shu-Chia Lin ,  Chih-Feng Lin ,  Wen-Yueh Hsieh ,  Tsu-Huai Chan

IPC: H02M3/335 ,  H02M1/00 ,  H02M1/36 ,  H02M1/08 ,  H02M7/217

Abstract: A power controller in collocation with a rectification unit, a transformer, a switching unit, a current sensing resistor, an output rectification unit, and an output capacitor is disclosed, and includes a working voltage pin, a ground pin, a PWM driving pin, a current sensing pin, and a load feedback pin for converting an external AC input power into an output power to supply a load. In particular, the power controller simultaneously performs active detection on load power to provide overload protection. Specifically, a load feedback signal related to a load power and a threshold load voltage representative of a preset threshold load power is compared, and a power counter representative of a calculated load power is increased by one, decreased by one, or kept without change according to the comparison result. Then, the power counter is employed to determine whether an overload abnormal event occurs.

公开(公告)号：US09837914B1

公开(公告)日：2017-12-05

申请号：US15487468

申请日：2017-04-14

Applicant: INNO-TECH CO., LTD.

Inventor： Chih-Liang Wang ,  Ching-Sheng Yu ,  Wen-Yen Pen

IPC: H02M3/335 ,  H02H7/125

CPC classification number: H02H7/125 ,  H02M1/4258

Abstract: Disclosed is a method of dynamical adjustment for a power supply. The method takes aim at lowering the minimum bulk capacitor voltage to the maximum extent through increasing the switching frequency or the OCP (Over-Current Protection) trip point during the holdup time so that the holdup time can get prolonged or the bulk capacitor can get downsized provided that all other parameters remain unchanged. In general, the proposed method is applicable to a wide variety of power converters.

公开(公告)号：US08988051B2

公开(公告)日：2015-03-24

申请号：US14042780

申请日：2013-10-01

Applicant: Inno-Tech Co., Ltd.

Inventor： Ching-Yuan Lin ,  Shu-Chia Lin ,  Wen-Yueh Hsieh ,  Yi-Pin Chen

IPC: H02M3/10 ,  H02M3/158

CPC classification number: H02M3/10 ,  H02M3/1588 ,  Y02B70/1466

Abstract: A synchronous rectifying buck-boost converter includes a controller, first and second transistors, an inductor and a capacitor. The controller is connected to the gates of the first and second transistors for controlling ON/OFF of the first and second transistors, and further controls the current of the inductor and charge/discharge of the capacitor. The first and second transistors connected in series are connected to the controller and the inductor. The inductor is connected to a first external power unit or a first external loading device. The drain of the first transistor is connected to a second external power unit or a second external loading device such that a low-voltage input power of the first external power unit is converted to a high-voltage output power or a high-voltage input power of the second external power unit is converted to a low-voltage output power.

Abstract translation: 同步整流降压 - 升压转换器包括控制器，第一和第二晶体管，电感器和电容器。 控制器连接到第一和第二晶体管的栅极，用于控制第一和第二晶体管的导通/截止，并进一步控制电感器的电流和电容器的充电/放电。 串联连接的第一和第二晶体管连接到控制器和电感器。 电感器连接到第一外部电源单元或第一外部负载装置。 第一晶体管的漏极连接到第二外部电源单元或第二外部负载装置，使得第一外部电力单元的低压输入功率被转换为高压输出功率或高压输入功率 的第二外部功率单元转换为低压输出功率。

公开(公告)号：US20150078037A1

公开(公告)日：2015-03-19

申请号：US14029796

申请日：2013-09-18

Applicant: INNO-TECH CO., LTD.

Inventor： Ching-Yuan Lin ,  Shu-Chia Lin ,  Chih Feng Lin

IPC: H02M3/335

CPC classification number: H02M3/33523 ,  H02M3/33507 ,  H02M7/02 ,  H02M7/043 ,  H02M2001/0009 ,  H02M2001/0054 ,  Y02B70/1491

Abstract: A power control device for dynamically adjusting frequency includes an electric transformer, a controller, a loading feedback unit, and a switching transistor. The electric transformer includes a first side induction coil connected to an input power unit, a second side induction coil connected to a loading unit to generate an output power by electromagnetic induction with the first side induction coil, and an auxiliary induction coil generating a power sensing signal by electromagnetic induction with the first side induction coil. The loading feedback unit generates a loading feedback signal. The controller determines the level of loading based on the loading feedback signal and further detects the valleys of the power sensing signal so as to change the switching signal which controls the switching transistor at the optimal one of the valleys.

Abstract translation: 用于动态调整频率的功率控制装置包括电力变压器，控制器，负载反馈单元和开关晶体管。 电动变压器包括连接到输入功率单元的第一侧感应线圈和连接到负载单元的第二侧感应线圈，以通过第一侧感应线圈的电磁感应产生输出功率，以及产生功率感测的辅助感应线圈 通过第一侧感应线圈的电磁感应信号。 负载反馈单元产生负载反馈信号。 控制器基于负载反馈信号确定负载水平，并进一步检测功率感测信号的谷值，以便改变在最佳一个谷中控制开关晶体管的开关信号。

公开(公告)号：US08907736B2

公开(公告)日：2014-12-09

申请号：US14022919

申请日：2013-09-10

Applicant: Inno-Tech Co., Ltd.

Inventor： Chih Feng Lin ,  Shu-Chia Lin ,  Wen-Yueh Hsieh ,  Ching-Yuan Lin ,  Ting-Chin Tsen ,  Yi-Pin Chen

IPC: H03K7/08 ,  H02M3/335 ,  H02M1/08 ,  H02M1/38

CPC classification number: H03K7/08 ,  H02M1/08 ,  H02M1/38 ,  H02M3/33507

Abstract: A digital pulse width modulation controller includes a pulse width modulation controller, a selection unit having at least one selector, a comparison unit having at least one comparator, and a signal conversion unit having at least one digital-to-analog converter. The digital-to-analog converter generates a reference current and/or voltage. The comparator receives the reference current and/or voltage, and performs a comparison operation to generate a comparison signal based on a feedback signal. The selector selects one selection signal to input into the pulse width modulation controller, which receives other parameters set by a user or the system at the same time so as to control characteristics of the digital pulse width modulation signals, thereby improving the electric properties of a loading circuit.

Abstract translation: 数字脉宽调制控制器包括脉冲宽度调制控制器，具有至少一个选择器的选择单元，具有至少一个比较器的比较单元和具有至少一个数模转换器的信号转换单元。 数模转换器产生参考电流和/或电压。 比较器接收参考电流和/或电压，并且执行比较操作以基于反馈信号产生比较信号。 选择器选择一个选择信号以输入到脉宽调制控制器中，脉宽调制控制器同时接收由用户或系统设定的其它参数，以便控制数字脉宽调制信号的特性，从而改善电气特性 加载电路。