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1. 发明申请

US20150171728A1 CIRCUIT FOR DRIVING SYNCHRONOUS RECTIFIER AND POWER SUPPLY APPARATUS INCLUDING THE SAME 有权
标题翻译：驱动同步整流器的电路及其相关的电源设备
公开(公告)号：US20150171728A1
公开(公告)日：2015-06-18
申请号：US14571910
申请日：2014-12-16
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人： Jung Chul GONG , Jong Rok KIM , Ho Joon JANG , Hwan CHO
IPC分类号： H02M1/08 , H02M7/217
CPC分类号： H02M3/33592 , Y02B70/1475
摘要： A circuit for driving a synchronous rectifier may include a voltage level detecting unit detecting a voltage level of the synchronous rectifier; an on/off signal generating unit generating an on signal controlling the synchronous rectifier to be turned on when the voltage level detected by the voltage level detecting unit is decreased to a voltage level equal to or less than a preset reference voltage level, and generating an off signal controlling the synchronous rectifier to be turned off when the voltage level detected by the voltage level detecting unit is increased to a voltage level exceeding the reference voltage level; a minimum time determining unit controlling the synchronous rectifier to be turned on during a preset first period; and a blanking time determining unit controlling the synchronous rectifier so as not to be turned on during a preset second period after the synchronous rectifier has been turned off.
摘要翻译：用于驱动同步整流器的电路可以包括检测同步整流器的电压电平的电压电平检测单元; 当由电压电平检测单元检测到的电压电平降低到等于或小于预设参考电压电平的电压电平时，产生控制同步整流器导通的导通信号的开/关信号产生单元，关闭信号，当由电压电平检测单元检测到的电压电平增加到超过参考电压电平的电压电平时，控制同步整流器截止; 最小时间确定单元，其在预设的第一时段期间控制所述同步整流器导通; 以及消隐时间确定单元，控制所述同步整流器，以便在所述同步整流器已经被断开之后的预设的第二时段期间不被接通。

2. 发明申请

US20150102786A1 PFC CONTROL CIRCUIT, ACTIVE PFC CIRCUIT AND PFC CONTROL METHOD 审中-公开
标题翻译： PFC控制电路，有源PFC电路和PFC控制方法
公开(公告)号：US20150102786A1
公开(公告)日：2015-04-16
申请号：US14515122
申请日：2014-10-15
申请人： Samsung Electro-Mechanics Co., Ltd. , University of Seoul Industry Cooperation Foundation
发明人： Byung Hoon KIM , Jeong Mo YANG , Hwan CHO , Yong Seong ROH , Young Jin MOON , Jeong Pyo PARK , Chang Sik YOO , Yu Jin JANG , Joong Ho CHOI
IPC分类号： H02M1/42
CPC分类号： H02M1/4208 , H02M1/4225 , H02M2001/0032 , Y02B70/126 , Y02B70/16
摘要： The present invention relates to a PFC control circuit, an active PFC circuit, and a PFC control method. According to an embodiment of the present invention, a PFC control circuit including: an inductor current sensing unit for sensing an inductor current of a PFC circuit; an output voltage feedback unit for outputting a feedback output signal; a sensing and feedback signal application unit for outputting a sensing voltage signal during switching duty on of the PFC circuit and adding the feedback output signal to the sensing voltage signal to output the added signal during switching duty off of the PFC circuit; and a PFC control unit for generating a comparison signal and generating a duty control signal from the comparison signal and a first reference signal to make variations due to an internal offset be removed or reduced is provided.
摘要翻译：本发明涉及PFC控制电路，有源PFC电路和PFC控制方法。根据本发明的实施例，一种PFC控制电路，包括：用于感测PFC电路的电感电流的电感器电流感测单元; 用于输出反馈输出信号的输出电压反馈单元; 感测和反馈信号施加单元，用于在PFC电路的开关占空比期间输出感测电压信号，并将反馈输出信号加到感测电压信号，以在PFC电路的开关占空关闭期间输出相加的信号; 并且提供用于产生比较信号并从比较信号产生占空比控制信号和由第一参考信号产生由于内部偏移引起的变化的PFC控制单元。

3. 发明申请

US20150002122A1 SWITCHED-MODE POWER SUPPLY USING VARIABLE BIAS CURRENT 有权
标题翻译：使用可变偏置电流切换模式电源
公开(公告)号：US20150002122A1
公开(公告)日：2015-01-01
申请号：US14035315
申请日：2013-09-24
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人： Hwan CHO , Jung Hyun KIM , Jung Chul GONG
IPC分类号： H02M3/156
CPC分类号： H03K17/163 , G05F1/462
摘要： There is provided a switched-mode power supply including: a PWM control unit generating a clock signal having pulse widths of the clock depending on a load to provide a path switching signal; a clock counter counting the clock signal to generate a control signal; a current source generating a current; a current mirroring circuit unit having a plurality of upper side current mirroring units respectively mirroring the current from the current source to create a current having a predetermined amplitude; a first current adjusting unit individually selecting a portion of the plurality of upper side current mirroring units according to the control signal; and a path switching circuit unit switched according to the path switching signal so as to select a charging path between the first current adjusting unit and a power switch or a discharging path between the power switch and the ground.
摘要翻译：提供了一种开关电源，包括：PWM控制单元，产生具有根据负载的时钟脉冲宽度的时钟信号，以提供路径切换信号; 计数时钟信号以产生控制信号的时钟计数器; 产生电流的电流源; 电流镜像电路单元，具有多个上侧电流镜像单元，其分别与来自电流源的电流反射以产生具有预定幅度的电流; 第一电流调节单元，根据控制信号单独地选择多个上侧电流镜像单元的一部分; 以及根据路径切换信号切换的路径切换电路单元，以选择第一电流调节单元与功率开关之间的充电路径或电源开关与地之间的放电路径。

4. 发明申请

US20150109832A1 POWER SUPPLY DEVICE 有权
标题翻译：电源设备
公开(公告)号：US20150109832A1
公开(公告)日：2015-04-23
申请号：US14194087
申请日：2014-02-28
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人： Tae Won HEO , Hwan CHO , Jeong Gyu LIM , Sang Kyoo HAN , Young Seung NOH , Bo Mi LEE
IPC分类号： H02M3/335
CPC分类号： H02M3/33507 , H02M1/44 , H02M3/33523 , H02M2001/0032
摘要： There is provided a power supply device having a primary side and a secondary side isolated from each other. The power supply device includes: a power supply unit converting power from the primary side to output the converted power to the secondary side; a control unit located on the secondary side and acquiring control information on the power supply unit based on a voltage output from the power supply unit; and a delivery unit delivering the control information to the primary side, the delivery unit including a Y-capacitor that provides an EMI noise path between the primary side and the secondary side.
摘要翻译：提供了具有彼此隔离的初级侧和次级侧的电源装置。电源装置包括：电源单元，其将来自初级侧的电力转换为将转换的电力输出到次级侧; 位于次级侧的控制单元，基于从电源单元输出的电压获取关于电源单元的控制信息; 以及将控制信息传送到初级侧的传送单元，所述传送单元包括在初级侧和次级侧之间提供EMI噪声路径的Y电容器。

5. 发明申请

US20140185339A1 POWER FACTOR CORRECTION CIRCUIT 有权
标题翻译：功率因数校正电路
公开(公告)号：US20140185339A1
公开(公告)日：2014-07-03
申请号：US13892013
申请日：2013-05-10
申请人： University of Seoul Industry Cooperation Foundation , SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人： Yu Jin JANG , Hwan CHO , Yong Seong ROH , Young Jin MOON , Jeong Pyo PARK , Chang Sik YOO , Jeong Mo YANG , Joong Ho CHOI
IPC分类号： H02M1/12 , H02M1/36
CPC分类号： H02M1/36 , H02M1/4225 , H02M2001/0022 , Y02B70/126
摘要： There is provided a power factor correction circuit including: a power conversion circuit unit controlling an inductor current according to a switching signal applied to a main switch to convert an external input voltage into an output voltage having a predetermined range; an imbalance detection circuit outputting an imbalance state signal when the external input voltage is in an unbalanced state by using the inductor current; and a soft start circuit unit performing soft starting by adjusting the switching signal when the imbalance state signal is output by the imbalance detection circuit unit.
摘要翻译：提供了一种功率因数校正电路，包括：功率转换电路单元，根据施加到主开关的开关信号来控制电感器电流，以将外部输入电压转换成具有预定范围的输出电压; 当外部输入电压通过使用电感器电流处于不平衡状态时，输出不平衡状态信号的不平衡检测电路; 以及软启动电路单元，通过在由不平衡检测电路单元输出不平衡状态信号时调节开关信号来进行软启动。

6. 发明申请

US20140176089A1 PHASE SHIFT CIRCUIT AND POWER FACTOR CORRECTION CIRCUIT INCLUDING THE SAME 有权
标题翻译：相位切换电路和功率因数校正电路，包括它们
公开(公告)号：US20140176089A1
公开(公告)日：2014-06-26
申请号：US13861295
申请日：2013-04-11
申请人： Samsung Electro-Mechanics Co., Ltd. , University of Seoul Industry Cooperation Foundation
发明人： Jeong Mo YANG , Hwan CHO , Yong Seong ROH , Young Jin MOON , Jeong Pyo PARK , Chang Sik YOO , Yu Jin JANG , Joong Ho CHOI
IPC分类号： H02M1/42 , H03L7/091
CPC分类号： H02M1/4225 , Y02B70/126 , Y02P80/112
摘要： There are provided a phase shift circuit and a power factor correction circuit including the same. The phase shift circuit includes a ramp generation unit charging or discharging a capacitor connected to a switch device to generate a ramp signal, a reference signal generation unit generating a predetermined reference signal from the ramp signal, and a comparison unit comparing the ramp signal with the reference signal to generate a clock signal, wherein at least one of the reference signal generation unit and the comparison unit changes a negative or positive value of offset components included in the reference signal or the ramp signal within every operating period of the switch device.
摘要翻译：提供了一种相移电路和包括该相移电路的功率因数校正电路。相移电路包括斜坡发生单元，对连接到开关装置的电容器进行充电或放电以产生斜坡信号，参考信号产生单元从斜坡信号产生预定参考信号，以及比较单元，将斜坡信号与参考信号以产生时钟信号，其中参考信号生成单元和比较单元中的至少一个在开关设备的每个操作周期内改变包括在参考信号中的偏移分量的负值或正值或斜坡信号。

7. 发明申请

US20150180359A1 POWER SUPPLYING APPARATUS 有权
标题翻译：电源设备
公开(公告)号：US20150180359A1
公开(公告)日：2015-06-25
申请号：US14568541
申请日：2014-12-12
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人： Jung Chul GONG , Jong Rok KIM , Ho Joon JANG , Hwan CHO
IPC分类号： H02M3/335
CPC分类号： H02M3/33592 , H02M3/33523 , H02M3/33576 , Y02B70/1475
摘要： A power supplying apparatus may be capable of switching off a synchronous rectifier on a secondary side in advance by predicting a switching-on time on a primary side. The power supplying apparatus may include: a power converting unit switching power input to the primary side and transferring the power to the secondary side; and a synchronous rectifying unit formed on the secondary side, synchronized with the switching of the power converting unit to perform a rectification switching operation, thereby rectifying the power transferred from the power converting unit, and changing the rectification switching operation before a switching change point of the power converting unit depending on a preset timing.
摘要翻译：供电装置可以通过预测初级侧的接通时间来预先关闭次级侧的同步整流器。电力供给装置可以包括：电力转换单元，切换输入到初级侧的电力并将电力传送到次级侧; 以及同步整流单元，形成在次级侧，与电力转换单元的切换同步，以执行整流切换操作，从而整流从电力转换单元传送的电力，并且在开关切换点之前改变整流开关操作功率转换单元取决于预设定时。

8. 发明申请

US20140085942A1 SHUNT REGULATOR HAVING PROTECTION FUNCTION AND POWER SUPPLY DEVICE HAVING THE SAME 审中-公开
标题翻译：具有保护功能的调节器和具有保护功能的电源装置
公开(公告)号：US20140085942A1
公开(公告)日：2014-03-27
申请号：US13837428
申请日：2013-03-15
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人： Jung Chul GONG , Jong Rok KIM , Hwan CHO
IPC分类号： H02M3/315
CPC分类号： H02M3/3155 , H02M3/33523 , H02M2001/0041
摘要： There are provided a shunt regulator having a protection function to detect an abnormal state, and a power supply device having the same. The shunt regulator of a power supply device in which a primary side and a secondary side have grounds having different electrical characteristics and are electrically insulated from one another, and power switched from the primary side is induced to the secondary side so as to be output, includes: a comparator positioned on the secondary side and comparing a voltage output from the power supply device with a preset reference voltage; and a first switch performing a control to stop supply of driving power required for a power switching operation of the primary side according to a comparison result from the comparator.
摘要翻译：提供具有检测异常状态的保护功能的并联调节器和具有该异常状态的电源装置。电源装置的并联调节器，其中初级侧和次级侧具有不同的电特性并且彼此电绝缘的接地，并且从初级侧切换的电力被感应到次级侧以被输出，包括：位于次级侧的比较器，将来自电源装置的电压输出与预设参考电压进行比较; 以及第一开关，根据比较器的比较结果执行控制以停止提供初级侧的功率切换操作所需的驱动功率。

9. 发明申请

US20150043250A1 CIRCUIT FOR DRIVING POWER SWITCH, POWER SUPPLY APPARATUS AND METHOD FOR DRIVING POWER SWITCH 审中-公开
标题翻译：用于驱动电源开关的电路，电源装置和驱动电源开关的方法
公开(公告)号：US20150043250A1
公开(公告)日：2015-02-12
申请号：US14282796
申请日：2014-05-20
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人： Hwan CHO , Jung Chul GONG , Jung Hyun KIM
IPC分类号： H02M3/335
CPC分类号： H02M3/33507 , H02M2001/0054 , Y02B70/1491
摘要： The present invention relates to a circuit for driving power switch, a power supply apparatus, and a method for driving a power switch. According to an embodiment of the present invention, a circuit for driving power switch, which includes a variable oscillator for varying a frequency according to a change in primary side input voltage to output a reference signal for duty control; and a duty control unit for receiving a feedback signal fed back from a secondary side output signal and the reference signal for duty control from the variable oscillator and outputting a duty control signal for driving a power switch, is provided. Further, a power supply apparatus and a method for driving a power switch are provided.
摘要翻译：本发明涉及用于驱动电源开关的电路，电源装置和驱动电源开关的方法。根据本发明的实施例，一种用于驱动电源开关的电路，其包括可变振荡器，用于根据初级侧输入电压的变化改变频率，以输出用于占空比控制的参考信号; 以及占空比控制单元，用于从可变振荡器接收从二次侧输出信号反馈的反馈信号和用于占空比控制的参考信号，并输出用于驱动电源开关的占空比控制信号。此外，提供了一种用于驱动电源开关的电源装置和方法。

10. 发明申请

US20140185343A1 SWITCHING MODE POWER SUPPLY AND CONTROL METHOD THEREOF 有权
标题翻译：开关电源及其控制方法
公开(公告)号：US20140185343A1
公开(公告)日：2014-07-03
申请号：US13829700
申请日：2013-03-14
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人： Jung Hyun KIM , Hwan CHO , Byung Hoon KIM
IPC分类号： H02M7/217
CPC分类号： H02M3/33507 , H02M2001/0029 , H02M2001/0032 , Y02B70/16
摘要： There is provided a switching mode power supply having primary and secondary induction coils inductively coupled to each other and converting a voltage applied to the primary induction coil to supply the converted voltage to the secondary induction coil, the switching mode power supply including a power switching unit switching the voltage applied to the primary induction coil, a load information obtaining unit obtaining load information relating to a load connected to the secondary induction coil, a bias current controlling unit controlling a switching driving current based on the load information; and a driving unit driving the power switching unit based on the load information and the switching driving current.
摘要翻译：提供了一种具有感应耦合的初级和次级感应线圈的开关模式电源，并且转换施加到主感应线圈的电压以将转换的电压提供给次级感应线圈，该开关模式电源包括功率开关单元切换施加到初级感应线圈的电压，负载信息获取单元获得与连接到次级感应线圈的负载有关的负载信息;偏置电流控制单元，其基于负载信息来控制开关驱动电流; 以及驱动单元，其基于所述负载信息和所述切换驱动电流来驱动所述电力切换单元。

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