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71. 发明授权

US09482724B2 Load detecting method and power supply device where the method is applied 有权
标题翻译：负载检测方法和应用该方法的电源装置
公开(公告)号：US09482724B2
公开(公告)日：2016-11-01
申请号：US14678504
申请日：2015-04-03
申请人： FAIRCHILD KOREA SEMICONDUCTOR LTD.
发明人： Gwanbon Koo , Euisoo Kim
IPC分类号： G01R31/04 , H02M3/335 , G01R31/40 , H02M3/156 , H02M1/00
CPC分类号： G01R31/40 , G01R31/04 , H02M3/33507 , H02M3/33576 , H02M2001/0035 , Y02B70/16
摘要： A load detecting method relates to detecting connection or detachment between a power supply device and a load, and the load detecting method includes steps of determining whether a load detection operation is necessary or not, based on a detection voltage corresponding to an output voltage from the power supply device, when determining the load detection operation to be necessary, estimating a specific time point in a first period during which the output voltage of the power supply device decreases from a first level to a second level, and applying a test signal to the output voltage for a predetermined detection period with reference to the specific time point. The switching operation of a power switch of the power supply device does not occur in the first period.
摘要翻译：负载检测方法涉及检测电源装置和负载之间的连接或拆卸，并且所述负载检测方法包括以下步骤：基于与来自所述电源装置的输出电压相对应的检测电压来确定是否需要负载检测操作电源装置，当确定需要的负载检测操作时，估计电源装置的输出电压从第一电平降低到第二电平的第一时段中的特定时间点，并将测试信号施加到参考特定时间点的预定检测周期的输出电压。电源装置的电源开关的切换操作在第一时间段内不发生。

72. 发明授权

US09350341B2 Gate driver, switch control circuit and power supply device comprising the gate driver circuit 有权
标题翻译：栅极驱动器，开关控制电路和包括栅极驱动电路的电源装置
公开(公告)号：US09350341B2
公开(公告)日：2016-05-24
申请号：US14301970
申请日：2014-06-11
申请人： FAIRCHILD KOREA SEMICONDUCTOR LTD.
发明人： Won-Tae Lee , Kyung-Oun Jang , Sung-Won Yun , Min-Woo Lee
IPC分类号： H03K17/16
CPC分类号： H03K17/165
摘要： The present invention relates to a gate driving circuit, a switch control circuit including the gate driving circuit, and a power supply. The gate driving circuit generates a gate voltage of the power switch. The gate driving circuit includes: a delay control circuit generating a first control signal that controls a rising slope of the gate voltage at a first time after a first delay period is passed from a rising time of the gate voltage and generating a second control signal that controls the rising slope of the gate voltage at a time after a second delay period is passed from the first time; and a temperature compensation circuit that varies the first delay period according to a temperature.
摘要翻译：栅极驱动电路，包括栅极驱动电路的开关控制电路和电源技术领域本发明涉及一种栅极驱动电路，栅极驱动电路产生电源开关的栅极电压。栅极驱动电路包括：延迟控制电路，产生第一控制信号，该第一控制信号在从栅极电压的上升时间经过第一延迟时间之后的第一时间控制栅极电压的上升斜率，并产生第二控制信号，在从第一次通过第二延迟时间之后的一个时间控制栅极电压的上升斜率; 以及根据温度改变第一延迟周期的温度补偿电路。

73. 发明授权

US09350258B2 Conduction detecting circuit, rectifying switch controlling circuit including the conduction detecting circuit and power supply for the rectifying switch controlling circuit to be applied 有权
标题翻译：导通检测电路，整流开关控制电路，包括用于整流开关控制电路的导通检测电路和电源
公开(公告)号：US09350258B2
公开(公告)日：2016-05-24
申请号：US14303911
申请日：2014-06-13
申请人： FAIRCHILD KOREA SEMICONDUCTOR LTD.
发明人： Hang-Seok Choi
IPC分类号： H02M3/335
CPC分类号： H02M3/33592 , Y02B70/1475
摘要： A circuit configured to detect the conduction of a first body diode and a second body diode of the first and second synchronous rectification transistors is provided. The circuit includes a low-pass filter configured to generate a filtered voltage by receiving a detection voltage based on a drain voltage of the first synchronous rectification transistor and low-pass filtering the received drain voltage, a first comparator configured to compare whether the filtered voltage is higher than the detection voltage, and a second comparator configured to compare whether the detection voltage is higher than the filtered voltage. A time point of ending a first synchronous rectification conduction interval of the first body diode and a time point of a second synchronous rectification conduction interval of the second body diode are determined, according to outputs from the first and second comparators.
摘要翻译：提供了一种被配置为检测第一和第二同步整流晶体管的第一体二极管和第二体二极管的导通的电路。该电路包括低通滤波器，其被配置为通过接收基于第一同步整流晶体管的漏极电压的检测电压并对接收的漏极电压进行低通滤波来产生滤波电压，第一比较器被配置为比较滤波电压高于检测电压，第二比较器被配置为比较检测电压是否高于滤波电压。根据第一和第二比较器的输出，确定结束第一体二极管的第一同步整流传导间隔的时间点和第二体二极管的第二同步整流导通间隔的时间点。

74. 发明申请

US20160135265A1 Control System for Phase-Cut Dimming 有权
标题翻译：相位调光控制系统
公开(公告)号：US20160135265A1
公开(公告)日：2016-05-12
申请号：US14937179
申请日：2015-11-10
申请人： FAIRCHILD KOREA SEMICONDUCTOR LTD.
发明人： Hyunchul EUM , Youngjong KIM , Kuo-Hsien HUANG , Chih-Chun CHUANG , Young Mo YANG , Young Je LEE , Moon Ho CHOI , Moon Sik SONG
IPC分类号： H05B33/08
CPC分类号： H05B33/0818 , H05B33/0809 , H05B33/0812 , H05B33/0815 , H05B33/0824 , H05B33/0845 , H05B33/0851 , Y02B20/343
摘要： A phase-cut dimming control system according to the embodiment includes a phase angle detector configured to detect a phase angle of an input voltage generated by phase-cut dimming, a feedback signal generator configured to generate a first reference signal corresponding to the detected phase angle, and generate an initial feedback signal based on a detection signal corresponding to power supplied to a load and the first reference signal, a feedback signal modulator configured to modulate the initial feedback signal and generate a feedback signal, a power transmission controller configured to generate a control signal which controls power transmission according to the feedback signal, and a power transmission circuit configured to transmit power to the load according to the control signal.
摘要翻译：根据实施例的相位调光控制系统包括：相位角检测器，被配置为检测由相位切割调光产生的输入电压的相位角;反馈信号发生器，被配置为产生对应于所检测的相位角的第一参考信号并且基于对应于提供给负载的电力的检测信号和所述第一参考信号产生初始反馈信号，被配置为调制所述初始反馈信号并产生反馈信号的反馈信号调制器，被配置为生成控制信号，其根据所述反馈信号控制电力传输;以及电力传输电路，被配置为根据所述控制信号向所述负载发送电力。

75. 发明授权

US09306244B2 Bidirectional interface circuit and battery management system including the same 有权
标题翻译：双向接口电路和电池管理系统包括相同
公开(公告)号：US09306244B2
公开(公告)日：2016-04-05
申请号：US14074182
申请日：2013-11-07
申请人： FAIRCHILD KOREA SEMICONDUCTOR LTD.
发明人： Jin-Tae Kim , Chenghao Jin , GwanBon Koo
IPC分类号： G06F17/50 , H01M10/42 , H01M10/46 , H02J7/00
CPC分类号： H01M10/4207 , H01M10/46 , H02J7/0021 , H02J7/0029 , H02J2007/0037 , H02J2007/004
摘要： A bidirectional interface circuit includes a first current mirror circuit that copies a first reference current to generate a first current sunk from a first output terminal, a second current mirror circuit that copies a second reference current to generate a second current sunk from a second output terminal, an interception switch that is connected between the first output terminal and the second output terminal, a first comparator that outputs an upper state signal based on a comparison result of a voltage of the first output terminal and a first threshold voltage, a third current mirror circuit that copies one of a third reference current and a fourth reference current to supply a third current flowing to a third output terminal, and a second comparator that outputs a lower state signal based on a comparison result of a voltage of the second output terminal and a second threshold voltage.
摘要翻译：双向接口电路包括第一电流镜电路，其复制第一参考电流以产生从第一输出端产生的第一电流;第二电流镜电路，其复制第二参考电流以从第二输出端产生第二电流，连接在第一输出端子和第二输出端子之间的截止开关，第一比较器，其基于第一输出端子的电压和第一阈值电压的比较结果输出上状态信号;第三电流镜电路，其复制第三参考电流和第四参考电流中的一个，以提供流向第三输出端的第三电流;以及第二比较器，其基于第二输出端子的电压的比较结果输出下状态信号;以及第二比较器，第二阈值电压。

76. 发明申请

US20150326047A1 VEHICLE CHARGER 有权
标题翻译：车辆充电器
公开(公告)号：US20150326047A1
公开(公告)日：2015-11-12
申请号：US14706472
申请日：2015-05-07
申请人： FAIRCHILD KOREA SEMICONDUCTOR LTD.
发明人： Bong-Geun CHUNG , Youngbae PARK , Gwanbon KOO
IPC分类号： H02J7/00
CPC分类号： H02J7/007 , H02J7/0052 , H02J2007/0062 , H02J2007/0096
摘要： A vehicle charger includes a power supply device, a communication module, a reference changing unit, a compensator, a controller, and a gate driver. The power supply device changes an input voltage into a voltage required to charge a portable device and outputs the changed voltage. The communication module receives information on at least one of a voltage and a current, which are required to charge the portable device. The reference changing unit generates at least one of a reference voltage and a reference current based on the information on the at least one of the voltage and the current. The compensator generates a compensation signal based on a result obtained by comparing the at least one of the reference voltage and the reference current with at least one of a sensed voltage and a sensed current, which are obtained by sensing at least one of an output voltage of the power supply device and a current supplied from the power supply device to the portable device. The controller generates a gate driving signal according to the compensation signal. The gate driver generates a gate voltage for controlling switching operation of the power supply device according to the gate driving signal.
摘要翻译：车载充电器包括电源装置，通信模块，参考改变单元，补偿器，控制器和门驱动器。电源装置将输入电压改变为对便携式装置充电所需的电压，并输出改变的电压。通信模块接收关于为便携式设备充电所需的电压和电流中的至少一个的信息。参考改变单元基于关于电压和电流中的至少一个的信息来产生参考电压和参考电流中的至少一个。补偿器基于通过将所述参考电压和参考电流中的至少一个与感测电压和感测电流中的至少一个进行比较而获得的结果，所述结果是通过感测至少一个输出电压的电源装置和从电源装置提供给便携式装置的电流。控制器根据补偿信号产生栅极驱动信号。栅极驱动器根据栅极驱动信号产生用于控制电源装置的开关操作的栅极电压。

77. 发明申请

US20150318855A1 PULSE GENERATOR AND DRIVING CIRCUIT COMPRISING THE SAME 有权
标题翻译：脉冲发生器和包含该脉冲发生器的驱动电路
公开(公告)号：US20150318855A1
公开(公告)日：2015-11-05
申请号：US14699732
申请日：2015-04-29
申请人： FAIRCHILD KOREA SEMICONDUCTOR LTD.
发明人： Kinam SONG , Wonhi OH , Jinkyu CHOI , Tae-sung KWON , Seunghyun HONG
IPC分类号： H03K19/00 , H03K19/0175
CPC分类号： H03K5/12 , H03K19/0013 , H03K19/00369 , H03K19/0175 , H03K19/017509
摘要： A pulse generator includes a first inverter configured to inverse an input pulse and output a result, a second inverter configured to inverse the output of the first inverter and output a result, a clamp inverter configured to generate a clamping voltage by clamping the output of the second inverter and generate an output pulse through a source follower which operates according to the clamping voltage, and a temperature compensator configured to compensate for variations in the clamping voltage caused by temperature change.
摘要翻译：脉冲发生器包括：第一反相器，被配置为反相输入脉冲并输出结果;第二反相器，被配置为使第一反相器的输出反相并输出结果;钳位反相器，被配置为产生钳位电压，第二反相器并且通过根据钳位电压工作的源极跟随器产生输出脉冲，以及温度补偿器，其被配置为补偿由温度变化引起的钳位电压的变化。

78. 发明申请

US20150229226A1 RESONANT CONVERTER AND DRIVING METHOD THEREOF 有权
标题翻译：谐振转换器及其驱动方法
公开(公告)号：US20150229226A1
公开(公告)日：2015-08-13
申请号：US14619201
申请日：2015-02-11
申请人： FAIRCHILD KOREA SEMICONDUCTOR LTD.
发明人： Won-Tae LEE , Hyeong Seok BAEK , Ji-Hoon JANG , Hang-Seok CHOI , Moon-Ho CHOI
IPC分类号： H02M3/335
CPC分类号： H02M3/33592 , H02M2001/0058 , Y02B70/1433 , Y02B70/1475 , Y02B70/1491 , Y02P80/112
摘要： A resonant converter includes a first switch on a primary side and a second switch coupled to the first switch, a first synchronous rectification switch on a secondary side conducted according to a switching operation of the first switch, a second synchronous rectification switch on the secondary side conducted according to a switching operation of the second switch, and a switch control circuit configured to detect a waveform of one end voltage of at least one of the first synchronous rectification switch and the second synchronous rectification switch, determine one of a below region and an above region, and differently control conduction duration of the first and second synchronous rectification switches according to a determined result.
摘要翻译：谐振转换器包括初级侧的第一开关和耦合到第一开关的第二开关，根据第一开关的开关操作而传导的次级侧的第一同步整流开关，次级侧的第二同步整流开关根据第二开关的切换动作进行导通，以及开关控制电路，其被配置为检测第一同步整流开关和第二同步整流开关中的至少一个的一端电压的波形，确定下述区域和并且根据确定的结果不同地控制第一和第二同步整流开关的导通持续时间。

79. 发明申请

US20150207418A1 PRIMARY SIDE REGULATION POWER SUPPLY DEVICE 有权
标题翻译：主要调节电源装置
公开(公告)号：US20150207418A1
公开(公告)日：2015-07-23
申请号：US14598451
申请日：2015-01-16
申请人： FAIRCHILD KOREA SEMICONDUCTOR LTD.
发明人： Hyun-Chul EUM , In-Ki PARK , Eung-Woo LEE
IPC分类号： H02M3/335
CPC分类号： H02M3/33523 , H02M1/32
摘要： A primary-side regulation (PSR) power supply device according to the invention includes: a power switch; an auxiliary wiring from which an auxiliary voltage that depends on an output voltage is generated during a turn-off period of the power switch and being provided in a primary side; a clamping circuit clamping a voltage corresponding to the auxiliary voltage to a predetermined voltage; a voltage follower decreasing the sense voltage according to a decrease of the auxiliary voltage; and a switch control circuit controlling a switching operation of the power switch by using the sense voltage.
摘要翻译：根据本发明的初级侧调节（PSR）电源装置包括：电源开关; 在电源开关的关断期间产生依赖于输出电压的辅助电压并且设置在初级侧的辅助配线; 钳位电路将对应于辅助电压的电压钳位到预定电压; 电压跟随器根据辅助电压的减小而减小感测电压; 以及通过使用感测电压来控制电源开关的开关动作的开关控制电路。

80. 发明申请

US20150207416A1 SWITCH CONTROL CIRCUIT AND POWER SUPPLY DEVICE INCLUDING THE SAME 有权
标题翻译：开关控制电路和包括其的电源装置
公开(公告)号：US20150207416A1
公开(公告)日：2015-07-23
申请号：US14597660
申请日：2015-01-15
申请人： FAIRCHILD KOREA SEMICONDUCTOR LTD.
发明人： Taesung KIM
IPC分类号： H02M3/335
CPC分类号： H02M3/33507 , H02M2001/0009
摘要： The power supply device includes a power switch, a rectification diode which rectifies a supplied current in accordance with a switching operation of the power switch to generate an output current, and a switch control circuit which averages a detected sensing voltage corresponding to a sensing voltage which follows a current which flows through the power switch to generate an output current estimating voltage corresponding to the output current.
摘要翻译：电源装置包括电源开关，整流二极管，根据电源开关的开关操作对所提供的电流进行整流以产生输出电流;以及开关控制电路，对与检测电压对应的检测到的感测电压进行平均遵循流过电源开关的电流，以产生对应于输出电流的输出电流估计电压。

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