公开(公告)号：US20080252245A1

公开(公告)日：2008-10-16

申请号：US11763450

申请日：2007-06-15

Applicant: Kun-Min Chen ,  Ching-Sheng Li ,  Shiue-Shr Jiang

Inventor： Kun-Min Chen ,  Ching-Sheng Li ,  Shiue-Shr Jiang

IPC: H02P7/14

CPC classification number: H02P6/16

Abstract: A power cutter, an oscillator, a counter, a S-R latch, and a Hall bias are further disposed inside a DC motor driving circuit so that current consumption of the DC motor driving circuit is reduced significantly under a standby mode. When the counter detects that a received pulse width modulation signal stays at a low electrical level over a predetermined time, the counter triggers the S-R latch so as to activate a disabling signal of the power cutter for shutting down most elements until the pulse width modulation signal returns to a high electrical level. With the aid of the built-in Hall bias, space for externally coupling the Hall bias is saved, and moreover, a Hall sensor retrieves a dynamically-adjusted power and currents so that remarkable current consumption is saved under a standby mode.

Abstract translation: 电动切割器，振荡器，计数器，S-R闩锁和霍尔偏置进一步设置在DC电动机驱动电路内，使得在待机模式下DC电机驱动电路的电流消耗显着降低。 当计数器检测到接收到的脉宽调制信号在预定时间内保持在低电平时，计数器触发SR锁存器，以激活用于关闭大多数元件的功率切割器的禁用信号，直到脉宽调制信号 返回到高电平。 借助于内置的霍尔偏置，节省了用于外部耦合霍尔偏置的空间，此外，霍尔传感器检索动态调整的功率和电流，从而在待机模式下节省显着的电流消耗。

公开(公告)号：US07411367B2

公开(公告)日：2008-08-12

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：US20140028232A1

公开(公告)日：2014-01-30

申请号：US13596053

申请日：2012-08-28

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

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

IPC: H02P7/29

CPC classification number: H02P6/10 ,  H02P6/15

Abstract: A motor driving circuit for driving a direct-current (DC) motor, includes a driving circuit for converting an input voltage into a first and a second output voltages, a Hall sensor for generating a first and a second time sequential control signals according to a working condition of the DC motor, a current sensing unit for detecting a motor current through the DC motor and comparing the motor current to a reference current to generate a comparison result and determine a first transition voltage selector value accordingly, and a control unit coupled to the driving circuit, the current sensing unit and the Hall sensor for controlling a working status of the driving circuit according to the first and the second time sequential control signals and the first transition voltage selector value.

Abstract translation: 用于驱动直流（DC）电动机的电动机驱动电路包括用于将输入电压转换为第一和第二输出电压的驱动电路，用于根据第一和第二输出电压产生第一和第二时间顺序控制信号的霍尔传感器 直流电动机的工作状态，电流检测单元，用于检测通过直流电动机的电动机电流，并将电动机电流与参考电流进行比较以产生比较结果，并相应地确定第一过渡电压选择器值;以及控制单元， 驱动电路，电流检测单元和霍尔传感器，用于根据第一和第二时序控制信号和第一转换电压选择器值来控制驱动电路的工作状态。

公开(公告)号：US08519802B2

公开(公告)日：2013-08-27

申请号：US13172816

申请日：2011-06-29

Applicant: Chia-Tai Yang ,  Yi-Cheng Liu ,  Ching-Sheng Li ,  Kun-Min Chen ,  Ching-Shan Lu

Inventor： Chia-Tai Yang ,  Yi-Cheng Liu ,  Ching-Sheng Li ,  Kun-Min Chen ,  Ching-Shan Lu

IPC: H03K7/08

CPC classification number: H03K7/08

Abstract: The present invention discloses a pulse width modulation driving IC. The pulse width modulation driving IC includes a first pin, for receiving a first signal, a second pin, for receiving a second signal, a comparing unit, for comparing the first signal with a reference voltage, to generate a comparison result indicating a operating mode of the pulse width modulation driving IC, and an output unit, for outputting a pulse width modulation output signal according to the first signal, the second signal and the comparison result.

Abstract translation: 本发明公开了一种脉宽调制驱动IC。 脉宽调制驱动IC包括用于接收第一信号的第一引脚，用于接收第二信号的第二引脚，用于将第一信号与参考电压进行比较的比较单元，以产生指示操作模式的比较结果 以及输出单元，用于根据第一信号，第二信号和比较结果输出脉宽调制输出信号。

公开(公告)号：US20130162187A1

公开(公告)日：2013-06-27

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: H02P7/00

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：US20130093373A1

公开(公告)日：2013-04-18

申请号：US13300645

申请日：2011-11-20

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

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

IPC: H02H7/122

CPC classification number: H02P1/04 ,  H02H7/0838 ,  H02P29/032

Abstract: The present invention discloses a motor driving circuit for driving a motor, including an electrostatic discharge diode, having an input port and an output port coupled to a first DC power supply, a pulse width modulation source coupled to the input port of the electrostatic discharge diode to generate a pulse width modulation signal, and a driving module including a voltage detecting module comparing the pulse width modulation signal with a voltage of the output port of the electrostatic discharge diode to generate a voltage comparison result, a lock/restart module generating a shut-down signal according to the voltage comparison result, a control module generating a control signal according to the shut-down signal, and a bridge circuit switching the motor on or off by turning on or turning off an up-bridge circuit and a down-bridge circuit according to the control signal.

Abstract translation: 本发明公开了一种用于驱动电动机的电动机驱动电路，其包括静电放电二极管，其具有耦合到第一直流电源的输入端口和输出端口，连接到静电放电二极管的输入端口的脉冲宽度调制源 以产生脉冲宽度调制信号;以及驱动模块，其包括电压检测模块，将脉宽调制信号与静电放电二极管的输出端口的电压进行比较，以产生电压比较结果，产生闭合的锁/重启模块 根据电压比较结果的下降信号，根据关闭信号产生控制信号的控制模块，以及通过接通或断开上桥电路和下电路来切换电动机的桥接电路， 桥接电路根据控制信号。

公开(公告)号：US20120280642A1

公开(公告)日：2012-11-08

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: H02P6/20

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：US08174226B2

公开(公告)日：2012-05-08

申请号：US12512024

申请日：2009-07-30

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

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

IPC: H02P7/00 ,  H02P3/12 ,  H02P6/04 ,  H02P23/12 ,  G05B19/40

CPC classification number: H02P7/285 ,  H02P29/032

Abstract: A control method of a current limit of a DC motor includes generating a reference voltage according to a preset current limit value of a DC motor; comparing the reference voltage with the voltage drop of a power control switch which drives the DC motor to generate a compare result; and controlling the power delivered to the DC motor according to the compare result in order to limit the current of the DC motor.

Abstract translation: DC电动机的电流限制的控制方法包括根据直流电动机的预设电流极限值生成参考电压; 将参考电压与驱动DC电机的功率控制开关的电压降进行比较以产生比较结果; 并根据比较结果控制输送到直流电动机的功率，以便限制直流电动机的电流。

公开(公告)号：US20120007526A1

公开(公告)日：2012-01-12

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: H02P7/29 ,  H02K7/14

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：US08063601B2

公开(公告)日：2011-11-22

申请号：US12254800

申请日：2008-10-20

Applicant: Ke-Min Chen ,  Ching-Sheng Li ,  Kun-Min Chen ,  Shen-Min Lo ,  Ching-Shan Lu

Inventor： Ke-Min Chen ,  Ching-Sheng Li ,  Kun-Min Chen ,  Shen-Min Lo ,  Ching-Shan Lu

IPC: H02P1/28

CPC classification number: H02P7/285

Abstract: A motor driving circuit for adjusting speed of the motor by changing output voltage is disclosed. One end of the motor is coupled to a variable voltage source. The motor driving circuit includes a motor-driving unit, a control unit and a determining unit. The motor-driving unit includes a first end coupled to another end of the motor, a second end coupled to a ground and a third end, and is utilized for driving the motor. The control unit is utilized for controlling the voltage between the first end and the third end of the motor-driving unit. The determining unit is coupled between the variable voltage source and the control unit, and is utilized for controlling the control unit to adjust the voltage between the first end and the third end of the motor-driving unit according to magnitude of the voltage of the variable voltage source.

Abstract translation: 公开了一种用于通过改变输出电压来调节电动机速度的电动机驱动电路。 马达的一端连接到可变电压源。 马达驱动电路包括马达驱动单元，控制单元和确定单元。 马达驱动单元包括联接到马达的另一端的第一端，联接到地面和第三端的第二端，并且用于驱动马达。 控制单元用于控制电机驱动单元的第一端和第三端之间的电压。 所述确定单元耦合在所述可变电压源和所述控制单元之间，并且用于控制所述控制单元，以根据所述可变电压源的电压的大小来调整所述电动机构驱动单元的第一端和第三端之间的电压 电压源。