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1. 发明授权

US09780771B2 Gate driving circuit including constant current sources, and switching apparatus and power supply apparatus having the same 有权
公开(公告)号：US09780771B2
公开(公告)日：2017-10-03
申请号：US14288070
申请日：2014-05-27
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD. , University of Seoul Industry Cooperation Foundation
发明人： Sang Hyun Cha , Deuk Hee Park , Yun Joong Lee , Joong Ho Choi , Je Hyeon Yu , Hyeon Seon Yu , Chang Seok Lee
IPC分类号： H02M3/335 , H03K17/06 , H03K17/687
CPC分类号： H03K17/063 , H02M3/33507 , H03K17/687
摘要： A gate driving circuit may include: a bias unit receiving an input signal having preset high and low signal levels, including a first N-MOSFET turned on in the case in which the input signal has the high level and a first P-MOSFET turned on in the case in which the input signal has the low level, and supplying bias powers by the turning-on of the first N-MOSFET and the first P-MOSFET; and an amplifying unit including a second N-MOSFET turned on by receiving the bias power supplied from the first N-MOSFET in the case in which the input signal has the high level and a second P-MOSFET turned on by receiving the bias power supplied from the first P-MOSFET turned on in the case in which the input signal has the low level and providing a gate signal depending on the turning-on of the second N-MOSFET and the second P-MOSFET.

2. 发明授权

US09066399B2 Illumination driving apparatus for light emitting diode and method thereof 有权
标题翻译：发光二极管照明驱动装置及其方法
公开(公告)号：US09066399B2
公开(公告)日：2015-06-23
申请号：US13839145
申请日：2013-03-15
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD. , UNIVERSITY OF SEOUL INDUSTRY COOPERATION FOUNDATION
发明人： Deuk Hee Park , Joong Ho Choi , Sang Hyun Cha , Jae Shin Lee , Chang Seok Lee , Yun Joong Lee
IPC分类号： H05B37/00 , H05B39/00 , H05B41/00 , H05B33/08
CPC分类号： H05B33/0845 , H05B33/083
摘要： There is provided an illumination driving apparatus for a light emitting diode, the apparatus including: a light emitting unit including M number of light emitting diodes (LEDs) connected in series and driven by an output voltage rectified in a rectifying unit; an LED switch unit including N number of LED switches connected in parallel with at least N number of the M LEDs, respectively, and connected in series; an LED switch control signal generating unit comparing the output voltage of the rectifying unit with each of the first to Nth preset reference voltages to generate N number of LED switch control signals controlling the LED switch unit; and an LED switch controlling unit transferring the N number of LED switch control signals to the LED switch unit.
摘要翻译：提供了一种用于发光二极管的照明驱动装置，该装置包括：发光单元，包括M个串联连接并由整流单元整流的输出电压驱动的发光二极管（LED）; LED开关单元，其分别包括与至少N个M个LED并联连接的N个LED开关并串联连接; LED开关控制信号发生单元，将整流单元的输出电压与第一至第N预设参考电压中的每一个进行比较，以产生控制LED开关单元的N个LED开关控制信号; 以及将N个LED开关控制信号传送到LED开关单元的LED开关控制单元。

3. 发明授权

US09755502B2 Start-up circuit and power device using the same 有权
公开(公告)号：US09755502B2
公开(公告)日：2017-09-05
申请号：US14694040
申请日：2015-04-23
申请人： SOLUM CO., LTD. , University of Seoul Industry Cooperation Foundation
发明人： Sang Hyun Cha , Soo Hyun Moon , Hye Jin Lee , Joong Ho Choi , Ji Hwan Kim , Chang Seok Lee , Yun Joong Lee
IPC分类号： H02M1/36 , H02M3/335 , H02M1/00
CPC分类号： H02M1/36 , H02M3/335 , H02M3/33507 , H02M2001/0006
摘要： Disclosed herein are a start-up circuit capable of reducing a leakage current to reduce power consumption, and a power device using the same. The start-up circuit includes: a bias unit connected between a first power source and a second power source and allowing a first current to flow from the first power source to the second power source according to a predetermined voltage; a first start unit connected to the bias unit and driving a second current to apply the predetermined voltage to the bias unit, and stopping driving the second current when a voltage received from the second power source reaches a first voltage; and a second start unit connected to the bias unit and driving a third current, the predetermined voltage being applied to the bias unit by the third current, and stopping driving the third current upon receiving a stop signal.

4. 发明授权

US09287777B2 Average current controller, average current control method and buck converter using the average current controller 有权
标题翻译：平均电流控制器，平均电流控制方式和降压转换器采用平均电流控制器
公开(公告)号：US09287777B2
公开(公告)日：2016-03-15
申请号：US13826872
申请日：2013-03-14
申请人： Samsung Electro-Mechanics Co., Ltd.
发明人： Jong Tae Hwang , Chan Woo Park , Sang Hyun Cha , Deuk Hee Park , Yun Joong Lee
IPC分类号： H02M3/157 , H05B33/08
CPC分类号： H02M3/157 , H05B33/0815 , Y02B20/347
摘要： The present invention relates to an average current controller, an average current control method and a buck converter using the average current controller. The average current controller includes a first comparator for generating a high H signal, a multivibrator for generating a TAVG pulse signal by receiving a high H signal outputted from the first comparator, a timing generator for generating a signal CH_ON to charge/discharge a capacitor by using at least the TAVG pulse signal, an integrator circuit unit for charging/discharging the capacitor, a second comparator for outputting a corresponding signal, an up/down counter for increasing or decreasing a counting value and a digital/analog converter for outputting by converting an output (digital signal) of the up/down counter into an analog signal.
摘要翻译：本发明涉及使用平均电流控制器的平均电流控制器，平均电流控制方法和降压转换器。平均电流控制器包括用于产生高H信号的第一比较器，用于通过接收从第一比较器输出的高H信号产生TAVG脉冲信号的多谐振荡器，产生用于对电容器进行充电/放电的信号CH_ON的定时发生器至少使用TAVG脉冲信号，用于对电容器进行充电/放电的积分器电路单元，用于输出相应信号的第二比较器，用于增加或减少计数值的上/下计数器和用于通过转换输出的数字/模拟转换器将上/下计数器的输出（数字信号）输入到模拟信号中。

5. 发明授权

US08975824B2 PWM driving circuit and PWM driving method 有权
标题翻译： PWM驱动电路和PWM驱动方式
公开(公告)号：US08975824B2
公开(公告)日：2015-03-10
申请号：US13723163
申请日：2012-12-20
申请人： Samsung Electro-Mechanics Co., Ltd.
发明人： Yun Joong Lee , Deuk Hee Park , Sang Hyun Cha , Jae Shin Lee , Chang Seok Lee
IPC分类号： H05B37/02 , H05B39/04 , H05B41/36 , G05F1/00 , H05B33/08
CPC分类号： H05B37/02 , H05B33/0815 , Y02B20/346
摘要： Provided is a PWM driving circuit and a PWM driving method. The PWM driving circuit includes a dimmer switching unit turning on a first switch to apply a first reference signal varied according to an input voltage of a system when an output voltage level of a dimmer is a reference level or less, and turning on a second switch to apply a second reference signal, unrelated to the input voltage of the system, when the output voltage level of the dimmer is more than the reference level, an error amplification unit comparing the first reference signal or the second reference signal with an output detection signal to amplify an error and outputting an error amplification signal, and a PWM control signal generating unit comparing the error amplification signal of the error amplification unit with a predetermined reference waveform to output a PWM control signal.
摘要翻译：提供了PWM驱动电路和PWM驱动方法。 PWM驱动电路包括：调光开关单元，当第一开关接通时，当调光器的输出电压电平为基准电平或更小时，施加根据系统的输入电压而变化的第一参考信号，以及接通第二开关当所述调光器的输出电压电平大于所述参考电平时，施加与所述系统的输入电压无关的第二参考信号，将所述第一参考信号或所述第二参考信号与输出检测信号进行比较的误差放大单元放大误差并输出误差放大信号;以及PWM控制信号生成单元，将误差放大单元的误差放大信号与规定的基准波形进行比较，输出PWM控制信号。

6. 发明申请

US20130162164A1 PWM DRIVING CIRCUIT AND PWM DRIVING METHOD 有权
标题翻译： PWM驱动电路和PWM驱动方法
公开(公告)号：US20130162164A1
公开(公告)日：2013-06-27
申请号：US13723163
申请日：2012-12-20
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人： Yun Joong Lee , Deuk Hee Park , Sang Hyun Cha , Jae Shin Lee , Chang Seok Lee
IPC分类号： H05B37/02
CPC分类号： H05B37/02 , H05B33/0815 , Y02B20/346
摘要： Provided is a PWM driving circuit and a PWM driving method. The PWM driving circuit includes a dimmer switching unit turning on a first switch to apply a first reference signal varied according to an input voltage of a system when an output voltage level of a dimmer is a reference level or less, and turning on a second switch to apply a second reference signal, unrelated to the input voltage of the system, when the output voltage level of the dimmer is more than the reference level, an error amplification unit comparing the first reference signal or the second reference signal with an output detection signal to amplify an error and outputting an error amplification signal, and a PWM control signal generating unit comparing the error amplification signal of the error amplification unit with a predetermined reference waveform to output a PWM control signal.
摘要翻译：提供了PWM驱动电路和PWM驱动方法。 PWM驱动电路包括：调光开关单元，当第一开关接通时，当调光器的输出电压电平为基准电平或更小时，施加根据系统的输入电压而变化的第一参考信号，以及接通第二开关当所述调光器的输出电压电平大于所述参考电平时，施加与所述系统的输入电压无关的第二参考信号，将所述第一参考信号或所述第二参考信号与输出检测信号进行比较的误差放大单元放大误差并输出误差放大信号;以及PWM控制信号生成单元，将误差放大单元的误差放大信号与规定的基准波形进行比较，输出PWM控制信号。

7. 发明授权

US09301353B2 Light emitting diode driving apparatus 有权
标题翻译：发光二极管驱动装置
公开(公告)号：US09301353B2
公开(公告)日：2016-03-29
申请号：US14262390
申请日：2014-04-25
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人： Deuk Hee Park , Sang Hyun Cha , Yun Joong Lee
IPC分类号： G05F1/00 , H05B33/08
CPC分类号： H05B33/0815 , H05B33/08 , H05B33/083
摘要： A light emitting diode driving apparatus may include: a light emitting diode emitting light by receiving rectified power; a driver driving the light emitting diode based on a voltage level of the rectified power; and a controller limiting an operation of the driver based on a voltage applied to the driver and a hysteresis reference value.
摘要翻译：发光二极管驱动装置可以包括：发光二极管，通过接收整流电源发光; 基于整流电源的电压驱动驱动所述发光二极管的驱动器; 以及控制器，其基于施加到驾驶员的电压和滞后参考值来限制驾驶员的操作。

8. 发明授权

US09173265B2 Light emitting diode driving apparatus and light emitting diode lighting apparatus 有权
标题翻译：发光二极管驱动装置和发光二极管照明装置
公开(公告)号：US09173265B2
公开(公告)日：2015-10-27
申请号：US14294878
申请日：2014-06-03
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人： Deuk Hee Park , Chan Woo Park , Yun Joong Lee , Jong Tae Hwang , Je Hyeon Yu , Soo Hyun Moon , Hye Jin Lee , Chang Seok Lee , Sang Hyun Cha
IPC分类号： H05B33/08
CPC分类号： H05B33/0851 , H05B33/0824
摘要： There are provided a light emitting diode (LED) driving apparatus and an LED lighting apparatus, in which a common detection resistor detecting a current flowing in each LED is used. According to exemplary embodiments of the present disclosure, manufacturing costs and a circuit area may be reduced by commonly using a common detection resistor detecting a current flowing in each of the LEDs.
摘要翻译：提供了一种发光二极管（LED）驱动装置和LED照明装置，其中使用检测在每个LED中流动的电流的公共检测电阻器。根据本公开的示例性实施例，可以通过共同使用检测在每个LED中流动的电流的公共检测电阻来降低制造成本和电路面积。

9. 发明授权

US09024531B2 Apparatus for driving light emitting diode 有权
标题翻译：用于驱动发光二极管的装置
公开(公告)号：US09024531B2
公开(公告)日：2015-05-05
申请号：US13828131
申请日：2013-03-14
申请人： Samsung Electro-Mechanics Co., Ltd.
发明人： Jong Tae Hwang , Deuk Hee Park , Jae Shin Lee , Yun Joong Lee , Sang Hyun Cha
IPC分类号： H05B33/08
CPC分类号： H05B33/0806 , H05B33/0827
摘要： There is provided an apparatus for driving a light emitting diode (LED), capable of distributing current stress applied to the LED. The apparatus includes an LED part including a plurality of LED units respectively including at least one LED, the plurality of LED units being connected in parallel to a power input terminal to which rectified power in sine wave form is supplied, and, among the plurality of LED units connected in parallel, a termination end of the LED unit in a front end being connected to a middle of an adjacent LED unit; and a current source unit including a plurality of current sources respectively connected to termination ends of the plurality of LED units and allowing corresponding current to flow through the plurality of LED units.
摘要翻译：提供了一种用于驱动发光二极管（LED）的装置，其能够分配施加到LED的电流应力。该装置包括：LED部件，其包括分别包括至少一个LED的多个LED单元，多个LED单元并联连接到以正弦波形式提供整流功率的功率输入端子，并且在多个LED单元中 LED单元并联连接，前端的LED单元的终端连接到相邻的LED单元的中间; 以及电流源单元，其包括分别连接到所述多个LED单元的终端的多个电流源，并允许相应的电流流过所述多个LED单元。

10. 发明申请

US20140184307A1 GATE DRIVER HAVING FUNCTION OF PREVENTING SHOOT-THROUGH CURRENT 审中-公开
标题翻译：具有预防穿透电流功能的门控驱动器
公开(公告)号：US20140184307A1
公开(公告)日：2014-07-03
申请号：US13957390
申请日：2013-08-01
申请人： Samsung Electro-Mechanics Co., Ltd.
发明人： Jong Tae Hwang , Yun Joong Lee , Je Hyeon Yu , Deuk Hee Park , Sang Hyun Cha
IPC分类号： H03K17/16
CPC分类号： H03K17/162
摘要： Disclosed herein is a gate driver having a function of preventing shoot-through current. The gate driver having a function of preventing shoot-through current includes: a first power switch sourcing current according to voltage applied by a voltage source; a second power switch connected with the first power switch in series and sinking current according to voltage applied by the voltage source; and a shoot-through current preventing circuit preventing the occurrence of shoot-through current in first and second power switches at the time of driving of the first and second power switches. According to the present invention, the shoot-through current preventing circuit configured of the plurality of PMOSs and NMOSs can prevent the shoot-through current from occurring in the power transistor of the output terminal at the time of the driving of the gate driver, thereby preventing the unnecessary power consumption and the occurrence of ground noise.
摘要翻译：这里公开了具有防止直通电流的功能的栅极驱动器。具有防止直通电流的功能的栅极驱动器包括：第一电源开关，根据由电压源施加的电压产生电流; 与所述第一电源开关串联连接的第二电源开关，并根据所述电压源施加的电压来吸收电流; 以及防止在驱动第一和第二电源开关时在第一和第二电源开关中发生直通电流的直通电流防止电路。根据本发明，由多个PMOS和NMOS构成的直通电流防止电路可以防止在驱动栅极驱动器时在输出端子的功率晶体管中发生直通电流，由此防止不必要的电力消耗和地面噪声的发生。

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