公开(公告)号：US07940107B2

公开(公告)日：2011-05-10

申请号：US12398190

申请日：2009-03-05

Applicant: Kun-Min Chen ,  Tzu-Cheng Teng ,  Ming-Jung Tsai ,  Ching-Sheng Li

Inventor： Kun-Min Chen ,  Tzu-Cheng Teng ,  Ming-Jung Tsai ,  Ching-Sheng Li

IPC: H03L5/00

CPC classification number: H02H9/004 ,  Y10S323/908

Abstract: An inrush voltage clamping circuit for an electronic device for clamping an inrush voltage induced by hot plugging is disclosed. The clamp circuit includes a buffer unit and a clamp unit. The buffer unit is coupled to an input power end for receiving an inrush current of the inrush voltage. The clamp unit is coupled to the input power end and the buffer unit for controlling the buffer unit to receive the inrush current according to an input voltage of the input power end.

Abstract translation: 公开了一种用于钳位由热插拔引起的浪涌电压的电子装置的浪涌电压钳位电路。 钳位电路包括缓冲单元和钳位单元。 缓冲单元耦合到输入电源端，用于接收浪涌电压的浪涌电流。 钳位单元耦合到输入电源端和缓冲单元，用于控制缓冲单元根据输入电源端的输入电压接收浪涌电流。

公开(公告)号：US20100253259A1

公开(公告)日：2010-10-07

申请号：US12476236

申请日：2009-06-01

Applicant: Kun-Min Chen ,  Ming-Jung Tsai ,  Sung-Ming Lai ,  Ching-Sheng Li ,  Ching-Shan Lu

Inventor： Kun-Min Chen ,  Ming-Jung Tsai ,  Sung-Ming Lai ,  Ching-Sheng Li ,  Ching-Shan Lu

IPC: H02P23/14

CPC classification number: H02P6/12 ,  H02P6/15

Abstract: A driving method for a motor includes sensing variation of magnetic pole of a rotator of the motor, to generate a magnetic pole sensing signal, determining dead zone of the motor according to the magnetic pole sensing signal, to generate a determination result, and adjusting voltage outputted to a coil of the rotator according to the determination result.

Abstract translation: 电动机的驱动方法包括感测电动机的转子的磁极的变化，以产生磁极感测信号，根据磁极感测信号确定电动机的死区，以产生确定结果，并且调整电压 根据确定结果输出到旋转器的线圈。

公开(公告)号：US20100045357A1

公开(公告)日：2010-02-25

申请号：US12398190

申请日：2009-03-05

Applicant: Kun-Min Chen ,  Tzu-Cheng Teng ,  Ming-Jung Tsai ,  Ching-Sheng Li

Inventor： Kun-Min Chen ,  Tzu-Cheng Teng ,  Ming-Jung Tsai ,  Ching-Sheng Li

IPC: H03L5/00

CPC classification number: H02H9/004 ,  Y10S323/908

Abstract: An inrush voltage clamping circuit for an electronic device for clamping an inrush voltage induced by hot plugging is disclosed. The clamp circuit includes a buffer unit and a clamp unit. The buffer unit is coupled to an input power end for receiving an inrush current of the inrush voltage. The clamp unit is coupled to the input power end and the buffer unit for controlling the buffer unit to receive the inrush current according to an input voltage of the input power end.

Abstract translation: 公开了一种用于钳位由热插拔引起的浪涌电压的电子装置的浪涌电压钳位电路。 钳位电路包括缓冲单元和钳位单元。 缓冲单元耦合到输入电源端，用于接收浪涌电压的浪涌电流。 钳位单元耦合到输入电源端和缓冲单元，用于控制缓冲单元根据输入电源端的输入电压接收浪涌电流。

公开(公告)号：US20070285038A1

公开(公告)日：2007-12-13

申请号：US11610506

申请日：2006-12-14

Applicant: Ming-Jung Tsai ,  Ching-Sheng Li ,  Shen-Min Lo ,  Kun-Min Chen

Inventor： Ming-Jung Tsai ,  Ching-Sheng Li ,  Shen-Min Lo ,  Kun-Min Chen

IPC: H02P7/00

CPC classification number: H02P6/085 ,  H02P6/26

Abstract: A full bridge circuit includes a first switch, a second switch, a third switch, a fourth switch, a first controller, a second controller, a first operational amplifier, a first multiplexer, a second operational amplifier, and a second multiplexer. The first controller includes a first output coupled to the first switch. The second controller includes a first output coupled to the third switch. The first operational amplifier includes a first input coupled to the first switch and the second switch, and a second input for receiving a first reference voltage. The second operational amplifier includes a first input coupled to the third switch and the fourth switch, and a second input for receiving a second reference voltage. The first multiplexer is coupled to the first operational amplifier, the first controller, and the second switch. The second multiplexer is coupled to the second operational amplifier, the second controller, and the fourth switch.

Abstract translation: 全桥电路包括第一开关，第二开关，第三开关，第四开关，第一控制器，第二控制器，第一运算放大器，第一多路复用器，第二运算放大器和第二多路复用器。 第一控制器包括耦合到第一开关的第一输出。 第二控制器包括耦合到第三开关的第一输出。 第一运算放大器包括耦合到第一开关和第二开关的第一输入端和用于接收第一参考电压的第二输入端。 第二运算放大器包括耦合到第三开关和第四开关的第一输入端和用于接收第二参考电压的第二输入端。 第一多路复用器耦合到第一运算放大器，第一控制器和第二开关。 第二多路复用器耦合到第二运算放大器，第二控制器和第四开关。

公开(公告)号：US08624539B2

公开(公告)日：2014-01-07

申请号：US13204732

申请日：2011-08-08

Applicant: Ying-Chen Lin ,  Kun-Min Chen ,  Ching-Sheng Li ,  Chia-Tai Yang ,  Ching-Shan Lu

Inventor： Ying-Chen Lin ,  Kun-Min Chen ,  Ching-Sheng Li ,  Chia-Tai Yang ,  Ching-Shan Lu

IPC: G05B11/28

CPC classification number: H02P6/20

Abstract: The present invention discloses a start-up circuit for a motor driving IC. The activation circuit includes a determination unit, for generating a determination result indicating an operating mode of the motor driving IC according to an external pulse width modulation signal, and an output unit, for outputting an activation signal according to the determination result and a pulse width modulation activation signal. A duty of the pulse width modulation activation signal is greater than a duty of the external pulse width modulation signal.

Abstract translation: 本发明公开了一种用于电机驱动IC的启动电路。 激活电路包括：确定单元，用于根据外部脉冲宽度调制信号产生指示电机驱动IC的操作模式的确定结果;以及输出单元，用于根据确定结果输出激活信号和脉冲宽度 调制激活信号。 脉宽调制激活信号的占空比大于外部脉宽调制信号的占空比。

公开(公告)号：US08581534B2

公开(公告)日：2013-11-12

申请号：US13397683

申请日：2012-02-16

Applicant: Ming-Jung Tsai ,  Jyun-Ping Jiang ,  Ching-Sheng Li ,  Kun-Min Chen

Inventor： Ming-Jung Tsai ,  Jyun-Ping Jiang ,  Ching-Sheng Li ,  Kun-Min Chen

IPC: H02P6/14

CPC classification number: H02P7/29

Abstract: A method for adjusting rotational speed of a motor is also disclosed. The method includes determining whether an input voltage of the motor enters into a predetermined voltage range; generating a pulse width modulation signal when the input voltage of the motor enters into the predetermined voltage range; and driving the motor to rotate according to the pulse width modulation signal.

Abstract translation: 还公开了一种用于调节电动机的转速的方法。 该方法包括确定电动机的输入电压是否进入预定的电压范围; 当电动机的输入电压进入预定电压范围时产生脉宽调制信号; 并根据脉宽调制信号驱动电机旋转。

公开(公告)号：US08395343B2

公开(公告)日：2013-03-12

申请号：US12908861

申请日：2010-10-20

Applicant: Ming-Jung Tsai ,  Kun-Min Chen ,  Ching-Sheng Li ,  Sung-Ming Lai

Inventor： Ming-Jung Tsai ,  Kun-Min Chen ,  Ching-Sheng Li ,  Sung-Ming Lai

IPC: G05B11/28

CPC classification number: G06F1/20 ,  H02P7/29

Abstract: A rotation speed control circuit for controlling a rotation speed of a fan includes: a rotation speed detector, for generating a rotation speed voltage according to a rotation speed signal corresponding to the rotation speed; a sample and hold element, coupled to the rotation speed detector, for sampling and storing the rotation speed voltage; an error amplifier, coupled to the sample and hold element, for controlling a voltage of a filter capacitor according to the rotation speed voltage and a reference voltage, to adjust an error voltage; and a pulse width modulation signal generator, coupled to the filter capacitor, for generating a pulse width modulation signal according to the error voltage and a triangle wave.

Abstract translation: 用于控制风扇的转速的转速控制电路包括：转速检测器，用于根据对应于转速的转速信号产生转速电压; 耦合到转速检测器的采样和保持元件，用于采样和存储转速电压; 耦合到采样和保持元件的误差放大器，用于根据转速电压和参考电压来控制滤波电容器的电压，以调整误差电压; 以及脉冲宽度调制信号发生器，耦合到滤波电容器，用于根据误差电压和三角波产生脉宽调制信号。

公开(公告)号：US20120176111A1

公开(公告)日：2012-07-12

申请号：US13025120

申请日：2011-02-10

Applicant: Kun-Min Chen ,  Ke-Tsung Chen ,  Ching-Sheng Li ,  Ming-Jung Tsai

Inventor： Kun-Min Chen ,  Ke-Tsung Chen ,  Ching-Sheng Li ,  Ming-Jung Tsai

IPC: G05F1/00

CPC classification number: H02M1/08 ,  H02M2001/0054 ,  H03K17/04206 ,  H03K17/122 ,  H03K17/6872 ,  Y02B70/1491

Abstract: Power control circuit with reducing noise and switching loss includes a first gate driver for driving a first switch, an additional gate driver for driving the first switch, and a managing circuit for controlling the first and the additional gate driver to drive the first switch according to a switching signal and turning off the additional gate driver according to a switching voltage on a first end of the first switch, wherein the first end of the first switch is coupled to a load, second end of the first switch is coupled to an input power source, a third end of the first switch is coupled to the first and the additional gate drivers.

Abstract translation: 具有降低噪声和开关损耗的功率控制电路包括用于驱动第一开关的第一栅极驱动器，用于驱动第一开关的附加栅极驱动器，以及用于控制第一和第二栅极驱动器以驱动第一开关的管理电路， 开关信号，并根据第一开关的第一端上的开关电压关闭附加栅极驱动器，其中第一开关的第一端耦合到负载，第一开关的第二端耦合到输入功率 源，第一开关的第三端耦合到第一和附加栅极驱动器。

公开(公告)号：US08183807B2

公开(公告)日：2012-05-22

申请号：US12647556

申请日：2009-12-28

Applicant: Ming-Jung Tsai ,  Ching-Sheng Li ,  Kun-Min Chen

Inventor： Ming-Jung Tsai ,  Ching-Sheng Li ,  Kun-Min Chen

IPC: H02P6/18

CPC classification number: H02P6/18

Abstract: A motor driving method for driving a direct-current (DC) motor, designed for avoiding a reverse current induced by the Back Electromotive Force (BEMF), includes providing a driver circuit for driving the DC motor; comparing a signal level of a terminal of the DC motor and a predetermined voltage value to produce a comparing result; and controlling a specific lower gate switch to avoid the occurrence of a reverse current of the DC motor according to the comparing result.

Abstract translation: 用于驱动直流（DC）电动机的电动机驱动方法，设计用于避免由反电动势（BEMF）引起的反向电流，包括提供用于驱动直流电动机的驱动电路; 比较直流电动机的端子的信号电平和预定电压值以产生比较结果; 并根据比较结果控制特定的下门开关以避免直流电动机的反向电流的发生。

公开(公告)号：US07529109B2

公开(公告)日：2009-05-05

申请号：US11533775

申请日：2006-09-21

Applicant: Kun-Min Chen ,  Ching-Sheng Li ,  Shiue-Shr Jiang ,  Shen-Min Lo ,  Ming-Jung Tsai

Inventor： Kun-Min Chen ,  Ching-Sheng Li ,  Shiue-Shr Jiang ,  Shen-Min Lo ,  Ming-Jung Tsai

IPC: H02H7/122 ,  G05F1/00 ,  H02K21/00

CPC classification number: H02M7/5387 ,  H02M1/32

Abstract: A driving circuit for switching DC power includes a DC power generator, a bridge circuit, a control signal generator, and a clamping module. The bridge circuit includes a plurality of legs each including an up-bridge switch and a down-bridge switch. The clamping circuit is coupled to each up-bridge switch of the bridge circuit for clamping voltage of an input end of the up-bridge switch.

Abstract translation: 用于切换直流电力的驱动电路包括直流发电机，桥接电路，控制信号发生器和钳位模块。 桥接电路包括多个支脚，每个支脚包括上桥开关和下桥开关。 钳位电路耦合到桥式电路的每个上桥开关，用于钳位上桥开关的输入端的电压。