公开(公告)号：US09502511B2

公开(公告)日：2016-11-22

申请号：US14819448

申请日：2015-08-06

Applicant: Excelliance MOS Corporation

Inventor： Chu-Kuang Liu

IPC: H01L29/66 ,  H01L29/40 ,  H01L29/78 ,  H01L29/739 ,  H01L29/423 ,  H01L29/417 ,  H01L29/06 ,  H01L29/872

CPC classification number: H01L29/7811 ,  H01L29/0661 ,  H01L29/404 ,  H01L29/407 ,  H01L29/41741 ,  H01L29/41766 ,  H01L29/4236 ,  H01L29/7393 ,  H01L29/7397 ,  H01L29/7813 ,  H01L29/7827 ,  H01L29/8725

Abstract: An edge terminal structure of a power semiconductor device includes a second conductive-type substrate, a first conductive-type buffer layer, a first conductive-type epitaxial layer, a first and a second electrodes, and a first and a second field plates. A trench is in a surface of the first conductive-type epitaxial layer in an edge terminal area beside an active area of the power semiconductor device. The first field plate includes at least a L-shaped electric-plate, a gate insulation layer under the L-shaped electric-plate, and the first electrode on the L-shaped electric-plate. The second field plate includes a portion of the first electrode and at least an insulation layer between the portion of the first electrode and the first conductive-type epitaxial layer. The insulation layer covers the tail of the trench and completely covers the L-shaped electric-plate.

Abstract translation: 功率半导体器件的边缘端子结构包括第二导电型衬底，第一导电型缓冲层，第一导电型外延层，第一和第二电极以及第一和第二场板。 在功率半导体器件的有源区域旁边的边缘终端区域中的沟槽位于第一导电型外延层的表面中。 第一场板至少包括L形电板，L形电镀板下方的栅极绝缘层和L形电镀板上的第一电极。 第二场板包括第一电极的一部分和至少在第一电极的部分和第一导电型外延层之间的绝缘层。 绝缘层覆盖沟槽的尾部，完全覆盖L形电板。

公开(公告)号：US09455632B1

公开(公告)日：2016-09-27

申请号：US14790010

申请日：2015-07-02

Applicant: Excelliance MOS Corporation

Inventor： Meng-Ju Hsieh ,  Pao-Chuan Lin

IPC: H02M3/156 ,  H02M3/158

CPC classification number: H02M3/156 ,  H02M2001/0025 ,  H02M2003/1566

Abstract: A voltage converter including a constant turned-on time signal generator, a first transistor, a second transistor, an inductor, a ripple signal compensator, and a ripple injection circuit is provided. The ripple signal compensator is coupled to an output terminal of the voltage converter and a second terminal of the first transistor, and generates an adjusted ripple signal according to a switching voltage on a second terminal of the first transistor and an output signal of the voltage converter. The ripple rejection circuit generates a ripple injection signal according to the adjusted ripple signal. Wherein, the constant turned-on time signal generator generates a first and second driving signals for respectively driving the first and second transistors according to the ripple injection signal.

Abstract translation: 提供了包括恒定导通时间信号发生器，第一晶体管，第二晶体管，电感器，纹波信号补偿器和纹波注入电路的电压转换器。 纹波信号补偿器耦合到电压转换器的输出端和第一晶体管的第二端，并根据第一晶体管的第二端上的开关电压和电压转换器的输出信号产生调整后的纹波信号 。 纹波抑制电路根据调整后的纹波信号产生纹波注入信号。 其中，恒定导通时间信号发生器根据纹波注入信号产生用于分别驱动第一和第二晶体管的第一和第二驱动信号。

公开(公告)号：US09153652B2

公开(公告)日：2015-10-06

申请号：US13610897

申请日：2012-09-12

Applicant: Chu-Kuang Liu

Inventor： Chu-Kuang Liu

IPC: H01L29/66 ,  H01L29/40 ,  H01L29/739 ,  H01L29/417 ,  H01L29/78 ,  H01L29/06 ,  H01L29/872

CPC classification number: H01L29/7811 ,  H01L29/0661 ,  H01L29/404 ,  H01L29/407 ,  H01L29/41741 ,  H01L29/41766 ,  H01L29/4236 ,  H01L29/7393 ,  H01L29/7397 ,  H01L29/7813 ,  H01L29/7827 ,  H01L29/8725

Abstract: An edge terminal structure of a power semiconductor device is provided that includes a substrate, a first and a second electrodes disposed on a surface and a back of the substrate respectively, a first field plate, and a second field plate. The power semiconductor device includes an active area and an edge termination area, and there is a trench in a surface of the substrate in the edge terminal area beside the active area. The first field plate is disposed on a sidewall of the trench and extends on a tail of the trench, and it includes at least a L-shaped electric-plate, a gate insulation layer under the L-shaped electric-plate, and the first electrode on the L-shaped electric-plate. The second field plate includes at least an insulation layer and the first electrode thereon. The insulation layer covers the tail of the trench and a tail of the L-shaped electric-plate further.

Abstract translation: 提供了功率半导体器件的边缘端子结构，其包括基板，分别设置在基板的表面和背面上的第一和第二电极，第一场板和第二场板。 功率半导体器件包括有源区域和边缘终止区域，并且在有源区域旁边的边缘终端区域中在衬底的表面中存在沟槽。 第一场板设置在沟槽的侧壁上并且在沟槽的尾部上延伸，并且其至少包括L形电板，L形电板下的栅绝缘层，第一场板 电极在L形电板上。 第二场板至少包括绝缘层和其上的第一电极。 绝缘层进一步覆盖了沟槽的尾部和L形电板的尾部。

公开(公告)号：US09134738B2

公开(公告)日：2015-09-15

申请号：US13762376

申请日：2013-02-08

Applicant: Excelliance MOS Corporation

Inventor： Pao-Chuan Lin ,  Li-Chieh Chen ,  Hung-Che Chou

IPC: H02M3/156 ,  H02M3/157 ,  G05F1/445

CPC classification number: G05F1/445 ,  H02M3/156 ,  H02M2001/0025

Abstract: A voltage converter is disclosed. The voltage converter includes a constant on time signal generator, a first and second transistors, an inductor, a feedback circuit and a ripple injection circuit. The constant on time signal generator generates a first and second driving signals for driving the first and second transistors. The voltage converter generates an output signal at an output end thereof. The feedback circuit divides the output signal to generate a feedback signal at a feedback end of the voltage converter. The ripple injection circuit gets the voltage of the feedback end and the voltage of the phase end to generate a injection signal. The constant on time signal generator generates the first and second driving signals according to the injection signal, the output signal and a reference signal.

Abstract translation: 公开了电压转换器。 电压转换器包括恒定的导通时间信号发生器，第一和第二晶体管，电感器，反馈电路和纹波注入电路。 恒定的时间信号发生器产生用于驱动第一和第二晶体管的第一和第二驱动信号。 电压转换器在其输出端产生输出信号。 反馈电路将输出信号分开，以在电压转换器的反馈端产生反馈信号。 纹波注入电路获得反馈端的电压和相位端的电压以产生注入信号。 恒定的导通时间信号发生器根据注入信号，输出信号和参考信号产生第一和第二驱动信号。

公开(公告)号：US09058043B2

公开(公告)日：2015-06-16

申请号：US13787822

申请日：2013-03-07

Applicant: Excelliance MOS Corporation

Inventor： Pao-Chuan Lin ,  Li-Chieh Chen ,  Hung-Che Chou

IPC: G05F1/565 ,  G05F1/10

CPC classification number: G05F1/10 ,  H02M3/156 ,  H02M2001/0025

Abstract: A voltage converter includes a constant on time signal generator, a first transistor, a second transistor, an inductor, and a ripple injection circuit. The constant on time signal generator generates a first driving signal and a second driving signal. The ripple injection circuit receives an output signal and generates a ripple injection signal. The constant on time signal generator generates the first and second driving signals according to the ripple injection signal, the output signal, and a reference signal.

Abstract translation: 电压转换器包括恒定的导通时间信号发生器，第一晶体管，第二晶体管，电感器和纹波注入电路。 恒定的导通时间信号发生器产生第一驱动信号和第二驱动信号。 纹波注入电路接收输出信号并产生纹波注入信号。 恒定的导通时间信号发生器根据纹波注入信号，输出信号和参考信号产生第一和第二驱动信号。

公开(公告)号：US09025346B2

公开(公告)日：2015-05-05

申请号：US13610874

申请日：2012-09-12

Applicant: Pao-Chuan Lin ,  Su-Yuan Lin ,  Hung-Che Chou

Inventor： Pao-Chuan Lin ,  Su-Yuan Lin ,  Hung-Che Chou

IPC: H02M7/00 ,  H02M3/335 ,  H02M1/32

CPC classification number: H02M1/32 ,  H02M3/33523

Abstract: A structure of a fly-back power converting apparatus is disclosed. The structure includes a power transistor, a current detector, a pulse width modulation (PWM) signal generator and a current limiter. The power transistor is coupled to an input voltage and receives a PWM signal. The current detector detects a current output from the power transistor and generates a detecting voltage according to the current. The PWM signal generator generates the PWM signal according to a comparing result by comparing the detecting voltage and a standard voltage. The current limiter generates the standard voltage according to a turn-on time of the power transistor.

Abstract translation: 公开了一种回扫功率转换装置的结构。 该结构包括功率晶体管，电流检测器，脉宽调制（PWM）信号发生器和限流器。 功率晶体管耦合到输入电压并接收PWM信号。 电流检测器检测来自功率晶体管的电流输出，并根据电流产生检测电压。 根据比较结果，PWM信号发生器通过比较检测电压和标准电压来生成PWM信号。 电流限制器根据功率晶体管的导通时间产生标准电压。

公开(公告)号：US20140176104A1

公开(公告)日：2014-06-26

申请号：US13723206

申请日：2012-12-21

Applicant: EXCELLIANCE MOS CORPORATION

Inventor： Pao-Chuan Lin ,  Su-Yuan Lin ,  Hung-Che Chou

IPC: G05F1/10

CPC classification number: H02M3/156 ,  H02M1/32 ,  H02M3/1588 ,  H02M2003/1566 ,  Y02B70/1466

Abstract: A buck voltage converting apparatus is disclosed. The buck voltage converting apparatus includes a first transistor, a second transistor, an inductor, a controller and a switch. The first transistor receives an input voltage. A first terminal of the inductor is coupled to the first and second transistors. A second terminal of the inductor is coupled to an output terminal of the buck voltage converting apparatus for generating an output voltage. The controller receives the output voltage, and generates a detection voltage according to voltage amplitude of the output voltage. The switch is coupled between a first terminal of the first transistor and a control terminal of the second transistor. The switch is turned on or off according to the detection voltage.

Abstract translation: 公开了降压电压转换装置。 降压电压转换装置包括第一晶体管，第二晶体管，电感器，控制器和开关。 第一晶体管接收输入电压。 电感器的第一端子耦合到第一和第二晶体管。 电感器的第二端子耦合到降压电压转换装置的输出端，用于产生输出电压。 控制器接收输出电压，并根据输出电压的电压幅度产生检测电压。 开关耦合在第一晶体管的第一端和第二晶体管的控制端之间。 开关根据检测电压开启或关闭。

公开(公告)号：US20140063856A1

公开(公告)日：2014-03-06

申请号：US13794817

申请日：2013-03-12

Applicant: EXCELLIANCE MOS CORPORATION

Inventor： Fu-Chun Huang ,  Hung-Che Chou ,  Pao-Chuan Lin

IPC: H02M3/335

CPC classification number: H02M3/33515 ,  H02M1/12

Abstract: A voltage converting apparatus and a sub-harmonic detector are disclosed. The sub-harmonic detector includes a pulse eliminating circuit, a counter, and a comparator. The pulse eliminating circuit receives a pulse width modulation (PWM) signal and a reference PWM signal having a same period. The PWM signal and reference PWM signal has a plurality of pulses and reference pulses respectively. The pulse eliminating circuit eliminates at least one part of the pulses which overlap with the reference pulses for generating a processed signal. The counter counts the processed signal and the PWM signal during a time period to obtain first and second counting values. The comparator compares the first and second counting values for detecting whether a sub-harmonic condition happens or not in the PWM signal.

Abstract translation: 公开了电压转换装置和次谐波检测器。 子谐波检测器包括脉冲消除电路，计数器和比较器。 脉冲消除电路接收具有相同周期的脉宽调制（PWM）信号和参考PWM信号。 PWM信号和参考PWM信号分别具有多个脉冲和参考脉冲。 脉冲消除电路消除了与参考脉冲重叠的脉冲的至少一部分，用于产生经处理的信号。 计数器在一段时间内对经处理的信号和PWM信号进行计数，以获得第一和第二计数值。 比较器比较用于检测PWM信号中是否发生次谐波条件的第一和第二计数值。

公开(公告)号：US20130313634A1

公开(公告)日：2013-11-28

申请号：US13610897

申请日：2012-09-12

Applicant: Chu-Kuang Liu

Inventor： Chu-Kuang Liu

IPC: H01L29/78

CPC classification number: H01L29/7811 ,  H01L29/0661 ,  H01L29/404 ,  H01L29/407 ,  H01L29/41741 ,  H01L29/41766 ,  H01L29/4236 ,  H01L29/7393 ,  H01L29/7397 ,  H01L29/7813 ,  H01L29/7827 ,  H01L29/8725

Abstract: An edge terminal structure of a power semiconductor device is provided that includes a substrate, a first and a second electrodes disposed on a surface and a back of the substrate respectively, a first field plate, and a second field plate. The power semiconductor device includes an active area and an edge termination area, and there is a trench in a surface of the substrate in the edge terminal area beside the active area. The first field plate is disposed on a sidewall of the trench and extends on a tail of the trench, and it includes at least a L-shaped electric-plate, a gate insulation layer under the L-shaped electric-plate, and the first electrode on the L-shaped electric-plate. The second field plate includes at least an insulation layer and the first electrode thereon. The insulation layer covers the tail of the trench and a tail of the L-shaped electric-plate further.

Abstract translation: 提供了功率半导体器件的边缘端子结构，其包括基板，分别设置在基板的表面和背面上的第一和第二电极，第一场板和第二场板。 功率半导体器件包括有源区域和边缘终止区域，并且在有源区域旁边的边缘终端区域中在衬底的表面中存在沟槽。 第一场板设置在沟槽的侧壁上并且在沟槽的尾部上延伸，并且其至少包括L形电板，L形电板下的栅绝缘层，第一场板 电极在L形电板上。 第二场板至少包括绝缘层和其上的第一电极。 绝缘层进一步覆盖了沟槽的尾部和L形电板的尾部。

公开(公告)号：US08476842B2

公开(公告)日：2013-07-02

申请号：US12962657

申请日：2010-12-08

Applicant: Chao-Hsuan Chuang ,  Hung-Che Chou ,  Sheng-Chieh Wu ,  Pao-Chuan Lin

Inventor： Chao-Hsuan Chuang ,  Hung-Che Chou ,  Sheng-Chieh Wu ,  Pao-Chuan Lin

IPC: H05B37/02

CPC classification number: H05B33/0815 ,  Y02B20/346

Abstract: A driving device for a LED module is provided. The driving device for the LED module includes a voltage converting unit, a LED module voltage detecting unit, and a switching signal generation unit. The voltage converting unit produces a driving voltage to drive the LED module according to a switching signal. The LED module voltage detecting unit divides the driving voltage to produce a comparison voltage. The switching signal generation unit receives the comparison voltage by a fault detection pin and compares a reference voltage and the comparison voltage to enable or disable the switching signal. After the switching signal is disabled, the switching signal generation unit further pulls up a voltage level of the fault detection pin to a logic high level voltage, so as to produce a fault notification signal to let the fault detection pin also have a function for fault notification.

Abstract translation: 提供了一种用于LED模块的驱动装置。 LED模块的驱动装置包括电压转换单元，LED模块电压检测单元和开关信号生成单元。 电压转换单元根据开关信号产生驱动电压以驱动LED模块。 LED模块电压检测单元分压驱动电压以产生比较电压。 开关信号发生单元通过故障检测引脚接收比较电压，并比较基准电压和比较电压，以使能或禁止开关信号。 开关信号禁止后，开关信号发生单元进一步将故障检测引脚的电压电平升高到逻辑高电平电压，以产生故障通知信号，使故障检测引脚也具有故障功能 通知。