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公开(公告)号：US20150285872A1
公开(公告)日：2015-10-08
申请号：US14678262
申请日：2015-04-03
发明人： Bong-Geun CHUNG , Taesung KIM , Gwanbon KOO
IPC分类号： G01R31/42 , G01R19/165
CPC分类号： H02M1/15 , G01R31/04 , H02M1/32 , H02M3/07 , H02M3/33523 , H02M3/33576 , H02M2001/0035 , Y02B70/16
摘要： A load detecting device for detecting whether a load is connected to a power supply device includes a no-load condition detector configured to detect a no-load condition using a sensing voltage having a frequency variant with a switching frequency of the power supply device, a circuit configured to acquire a signal having a waveform differing according to a connection or detachment between the load and the power supply device after the no-load condition is detected by the no-load condition detector, and a detachment detector configured to detect whether the load is detached by sensing the signal acquired by the circuit.
摘要翻译： 用于检测负载是否连接到电源装置的负载检测装置包括：空载状态检测器，被配置为使用具有电源装置的开关频率的频率变化的感测电压来检测空载状态; 电路，被配置为在所述空载状态检测器检测到所述空载状态之后，获取具有与所述负载和所述供电装置之间的连接或分离不同的波形的信号;以及分离检测器，被配置为检测所述负载 通过感测由电路获得的信号来分离。
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公开(公告)号：US20180048227A1
公开(公告)日：2018-02-15
申请号：US15797994
申请日：2017-10-30
发明人： Taesung KIM , Dong-Jin PARK , Seung-Uk YANG
摘要： A charge pump includes: a first diode that is connected to a first node; a second diode that is connected to a second node; a pump capacitor that is connected to a third node to which the first diode and the second diode are connected; a power supply capacitor that is connected to the pump capacitor; a third diode that is connected between the pump capacitor and the power supply capacitor; and a zener diode that is connected in parallel to the third diode and the power supply capacitor. A power supply device decreases a ripple of an output current using a ripple reduction signal.
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公开(公告)号：US20160352220A1
公开(公告)日：2016-12-01
申请号：US15166847
申请日：2016-05-27
发明人： Taesung KIM , Seunguk YANG , Youngbae PARK
IPC分类号： H02M3/07
摘要： Examples of a signal calculator include a voltage multiplier and a time divider. The voltage multiplier copies time information corresponding to a first voltage and generates a third voltage using a second current corresponding to a second voltage during a first period corresponding to the copied time information. The time divider generates an output according to a result of comparing a voltage generated by a first current on the basis of a voltage corresponding to a first time with a second voltage corresponding to a second time.
摘要翻译： 信号计算器的示例包括电压倍增器和时分器。 电压倍增器复制对应于第一电压的时间信息，并且在对应于复制的时间信息的第一时段期间，使用对应于第二电压的第二电流来产生第三电压。 时分器根据将第一电流产生的电压与第一时间相对应的电压与对应于第二时间的第二电压进行比较的结果产生输出。
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公开(公告)号：US20180097449A1
公开(公告)日：2018-04-05
申请号：US15706928
申请日：2017-09-18
发明人： Jintae KIM , Hangseok CHOI , Taesung KIM , Sangcheol MOON
CPC分类号： H02M3/33592 , H02M1/083 , H02M1/4225 , H02M1/4258 , H02M3/33515 , H02M3/33523 , H02M2001/0006 , H02M2001/0025 , H02M2003/1566 , Y02B70/126
摘要： A method for controlling a power converter includes determining whether a value of a feedback signal is in a first range, detecting a plurality of points of the feedback signal, and decreasing one or both of a proportional coefficient and an integral coefficient of a first control loop of the power converter at a first plurality of times corresponding to the detected plurality of points of the feedback signal when the value of the feedback signal is in the first range. The feedback signal indicates an output signal of the power converter. A circuit for controlling a power converter includes a transient detector that generates a transient detection signal in response to a feedback signal indicating an output signal of the power converter and a gain selector that generates a gain selection signal in response to the transient detection signal.
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公开(公告)号：US20180019677A1
公开(公告)日：2018-01-18
申请号：US15636833
申请日：2017-06-29
发明人： Bonggeun CHUNG , Taesung KIM , Gwanbon KOO
CPC分类号： H02M3/3376 , H02M3/155 , H02M3/24 , H02M3/335 , H02M3/33507 , H02M3/33523 , H02M2001/0025 , H02M2001/0058 , H03J1/0091 , H04B1/715
摘要： A power supply includes a transistor that is connected to a primary winding of a transformer. A controller controls a switching operation of the transistor by quasi-resonant switching. The controller receives a feedback voltage and adjusts the feedback voltage to adjust a blanking frequency, which is an inverse of a blanking time during which the transistor is prevented from being turned on. The controller turns on the transistor after expiration of the blanking time based on a level of a resonant ring.
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公开(公告)号：US20150207416A1
公开(公告)日：2015-07-23
申请号：US14597660
申请日：2015-01-15
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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7.发明申请公开(公告)号：US20150204923A1
公开(公告)日：2015-07-23
申请号：US14597517
申请日：2015-01-15
发明人： Taesung KIM , Gwanbon KOO
IPC分类号： G01R21/133 , G01R31/40 , G01R19/00 , H02M3/335
CPC分类号： H02M3/33523 , H02M2001/0006 , H02M2001/0009 , H02M2001/348
摘要： A power supply device according to the invention includes: a power switch; a rectification diode generating an output current by rectifying a current supplied according to a switching operation of the power switch; and a switch control circuit generating an output current estimation voltage corresponding to the output current using a detection sense voltage corresponding to a sense voltage that depends on a switch current flowing to the power switch and a compensated discharge period. The compensated discharge period is a period from the peak of a discharge current flowing to the rectification diode to an instant at which the discharge current becomes zero current.
摘要翻译： 根据本发明的电源装置包括：电源开关; 整流二极管，通过对根据电源开关的切换操作提供的电流进行整流来产生输出电流; 以及开关控制电路，使用与取决于流向电源开关的开关电流的感测电压对应的检测感测电压和补偿放电期间，生成与输出电流对应的输出电流推定电压。 补偿放电周期是从流过整流二极管的放电电流的峰值到放电电流变为零电流的时刻的期间。
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公开(公告)号：US20150109828A1
公开(公告)日：2015-04-23
申请号：US14520410
申请日：2014-10-22
发明人： Gwanbon KOO , Dooyong JUNG , Jintae KIM , Taesung KIM , Youngbae PARK , Kyungseop KIM , Donghye CHO
IPC分类号： H02M3/335
CPC分类号： H02M3/33561 , H02J3/383 , H02M3/33553 , H02M2001/0048 , H02M2001/0077 , Y02B70/1491 , Y02E10/563
摘要： A power supply apparatus and a driving method thereof are disclosed. The power supply apparatus includes a first converter and a second converter. The first converter is operated to acquire a first gain when an input voltage is included in a first range or a second range that is lower than a first range and outputs a first output voltage and a second output voltage by converting the input voltage. In addition, the second converter is operated when the input voltage is included in the first range and outputs a third output voltage by converting the second output voltage.
摘要翻译： 公开了电源装置及其驱动方法。 电源装置包括第一转换器和第二转换器。 当输入电压包括在低于第一范围的第一范围或第二范围内时，第一转换器被操作以获取第一增益，并且通过转换输入电压来输出第一输出电压和第二输出电压。 此外，当输入电压包括在第一范围内时，第二转换器工作，并通过转换第二输出电压输出第三输出电压。
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公开(公告)号：US20140159678A1
公开(公告)日：2014-06-12
申请号：US13957660
申请日：2013-08-02
发明人： Youngbae PARK , Eunsung JANG , Jaehan YOON , Byunghak AHN , Jin-Tae KIM , Taesung KIM , Gwanbon KOO , Keun-Eui HONG
IPC分类号： G05F1/10
CPC分类号： G05F1/10 , H02M3/33523 , H02M2001/0025
摘要： One cable compensation circuit is connected to a shunt regulator to generate a feedback voltage corresponding to an output voltage of a power supply device. The cable compensation circuit controls cathode impedance of the shunt regulator according to the output current of the power supply device to compensate a voltage drop generated in a cable.
摘要翻译： 一个电缆补偿电路连接到并联调节器以产生对应于电源装置的输出电压的反馈电压。 电缆补偿电路根据电源装置的输出电流控制并联稳压器的阴极阻抗，以补偿电缆中产生的电压降。
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公开(公告)号：US20140146580A1
公开(公告)日：2014-05-29
申请号：US14091978
申请日：2013-11-27
发明人： Gwanbon KOO , Taesung KIM
IPC分类号： H02M3/335
CPC分类号： H02M3/33523 , H02M2001/0025
摘要： A cable compensation circuit compensates a voltage drop in a cable coupled between a power supply and a load. The cable compensation circuit includes: a node where a voltage that depends on an input voltage of the power supply during a turn-on period of a power switch of the power supply and depends on an output voltage of the power supply during a turn-off period of the power switch is generated; a sensing RC filter generating a sense voltage that depends on a diode current by filtering the voltage of the node; and an averaging RC filter generating an average voltage by averaging the sense voltage.
摘要翻译： 电缆补偿电路补偿耦合在电源和负载之间的电缆中的电压降。 电缆补偿电路包括：在电源的电源开关的接通周期期间取决于电源的输入电压的电压并且在关断期间取决于电源的输出电压的节点 产生电源开关的周期; 感测RC滤波器，通过滤波节点的电压产生取决于二极管电流的感测电压; 以及平均RC滤波器，通过对感测电压进行平均来产生平均电压。
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