公开(公告)号：US08174961B2

公开(公告)日：2012-05-08

申请号：US11804468

申请日：2007-05-18

申请人： Gwan-Bon Koo ,  Young-Bae Park ,  Sung-Won Yun

发明人： Gwan-Bon Koo ,  Young-Bae Park ,  Sung-Won Yun

IPC分类号： H04J7/00 ,  H03M3/00 ,  H03K7/08

CPC分类号： H03K17/0822 ,  H03K2017/0806

摘要： The present invention relates to a switch controlling apparatus. The switch controlling apparatus controls a main switch by using a first signal that corresponds to a current flowing to the main switch. The switch controlling apparatus includes a PWM controller for generating a control signal to control turning on/off of the main switch by using the first signal and a clock signal, and a TSD unit for changing the control signal corresponding to heat generated from the main switch. The TSD unit changes a response speed for the heat of the main switch by using the clock signal and the control signal.

摘要翻译： 开关控制装置技术领域本发明涉及开关控制装置。 开关控制装置通过使用与流过主开关的电流对应的第一信号来控制主开关。 开关控制装置包括：PWM控制器，用于通过使用第一信号和时钟信号产生控制主开关的导通/截止的控制信号;以及TSD单元，用于改变与从主开关产生的热相对应的控制信号 。 TSD单元通过使用时钟信号和控制信号来改变主开关的热量的响应速度。

公开(公告)号：US07701735B2

公开(公告)日：2010-04-20

申请号：US12011343

申请日：2008-01-25

申请人： Young-Bae Park ,  Gwan-Bon Koo

发明人： Young-Bae Park ,  Gwan-Bon Koo

IPC分类号： H02M3/335

CPC分类号： H02M3/33523 ,  H02M3/33507

摘要： A converter and a driving method thereof are provided. The converter includes a main switch and a switching controller. The switching controller controls on/off of the main switch by using a first voltage corresponding to an output voltage and a first current flowing to the main switch. The switching controller determines a reference count according to the first voltage, and determines a peak value of the first current corresponding to a reference count and a switching frequency of the main switch.

摘要翻译： 提供A转换器及其驱动方法。 转换器包括主开关和开关控制器。 开关控制器通过使用对应于输出电压的第一电压和流向主开关的第一电流来控制主开关的开/关。 开关控制器根据第一电压确定参考计数，并且确定与基准计数相对应的第一电流的峰值和主开关的开关频率。

公开(公告)号：US20090231894A1

公开(公告)日：2009-09-17

申请号：US12258157

申请日：2008-10-24

申请人： Sang-Cheol Moon ,  Gwan-Bon Koo ,  Jin-Tae Kim ,  Young-Bae Park

发明人： Sang-Cheol Moon ,  Gwan-Bon Koo ,  Jin-Tae Kim ,  Young-Bae Park

IPC分类号： H02M7/04

CPC分类号： H02M3/33507

摘要： In a power converter, a primary coil receives an input voltage, and a switch includes a first electrode, a second electrode coupled to the primary coil, and a control electrode. An output unit includes a secondary coil, and outputs an output voltage. The primary coil and the secondary coil form a transformer, and the input voltage is converted to the output voltage by the transformer. A controller receives a sensing voltage corresponding to a switch current flowing between the first electrode and the second electrode of the switch, detects a valley point of a voltage between the first electrode and the second electrode of the switch based on the sensing voltage, and transmits a control signal to the control electrode of the switch in accordance with the valley point,

摘要翻译： 在功率转换器中，初级线圈接收输入电压，并且开关包括第一电极，耦合到初级线圈的第二电极和控制电极。 输出单元包括次级线圈，并输出输出电压。 初级线圈和次级线圈形成变压器，输入电压由变压器转换成输出电压。 控制器接收对应于在开关的第一电极和第二电极之间流动的开关电流的感测电压，基于感测电压检测开关的第一电极和第二电极之间的电压的谷点，并且传输 根据谷点向开关的控制电极施加控制信号，

公开(公告)号：US20090028235A1

公开(公告)日：2009-01-29

申请号：US12220768

申请日：2008-07-25

申请人： Young-Bae Park ,  Gwan-Bon Koo

发明人： Young-Bae Park ,  Gwan-Bon Koo

IPC分类号： H03K7/08

CPC分类号： H03K7/06

摘要： The present invention relates to a frequency modulation device and a switching mode power supply using the frequency modulation device. To prevent electromagnetic interference (EMI), it is required to slightly vary a switching operation frequency in an SMPS operation. In some embodiments, at least one first signal having a predetermined cycle is generated, a second signal corresponding to a level of a first signal is generated at a turn-off time of a switch, a first reference voltage having at least two different levels is generated according to the second signal, and an oscillator signal for increasing along a first slope during a first period and decreasing along a second slope during a second period between the first reference voltage and a second reference voltage having a level that is different from the first reference voltage is generated.

摘要翻译： 本发明涉及使用该调频装置的频率调制装置和开关模式电源。 为了防止电磁干扰（EMI），需要在SMPS操作中稍微改变开关操作频率。 在一些实施例中，产生具有预定周期的至少一个第一信号，在开关的关断时间产生对应于第一信号的电平的第二信号，具有至少两个不同电平的第一参考电压是 根据第二信号生成的振荡器信号，以及振荡器信号，用于在第一周期期间沿着第一斜率增加，并且在第一参考电压和第二参考电压之间的第二周期期间沿着第二斜率减小，该第二参考电压具有与第一 产生参考电压。

公开(公告)号：US20080180973A1

公开(公告)日：2008-07-31

申请号：US12011343

申请日：2008-01-25

申请人： Young-Bae Park ,  Gwan-Bon Koo

发明人： Young-Bae Park ,  Gwan-Bon Koo

IPC分类号： H02M3/335

CPC分类号： H02M3/33523 ,  H02M3/33507

摘要： The present invention relates to a converter and a driving method thereof. The converter includes a main switch and a switching controller. The switching controller controls on/off of the main switch by using a first voltage corresponding to an output voltage and a first current flowing to the main switch. The switching controller determines a reference count according to the first voltage, and determines a peak value of the first current corresponding to a reference count and a switching frequency of the main switch.

摘要翻译： 本发明涉及一种转换器及其驱动方法。 转换器包括主开关和开关控制器。 开关控制器通过使用对应于输出电压的第一电压和流向主开关的第一电流来控制主开关的开/关。 开关控制器根据第一电压确定参考计数，并且确定与基准计数相对应的第一电流的峰值和主开关的开关频率。

公开(公告)号：US07672146B2

公开(公告)日：2010-03-02

申请号：US11807460

申请日：2007-05-29

申请人： Young-Bae Park ,  Gwan-Bon Koo

发明人： Young-Bae Park ,  Gwan-Bon Koo

IPC分类号： H02M3/335

CPC分类号： H02M3/33515 ,  H02M3/33523

摘要： A switching mode power supply includes a switching transistor, coupled to a primary coil at a primary side of a transformer for converting an input DC voltage, supplying power to a secondary and a tertiary coil at a secondary side of the transformer according to an operation of the switching transistor; a switching controller receiving a feedback voltage corresponding to a first voltage generated in the secondary coil and receiving a detection signal corresponding to a current of the switching transistor to generate a switching control signal for controlling the turn on/off of the switching transistor; and a feedback signal generator receiving the first voltage and the switching control signal to set a sampling period, and storing the first voltage, sampled with a last pulse of the first pulse string within the sampling period as a feedback voltage. The output voltage is thereby accurately detected without opto-couplers or shunt regulators.

摘要翻译： 开关电源包括开关晶体管，其耦合到变压器的初级侧的初级线圈，用于转换输入直流电压，根据变压器的次级侧向次级侧的次级侧和第三级线圈供电 开关晶体管; 接收与所述次级线圈中产生的第一电压相对应的反馈电压的开关控制器，并接收对应于所述开关晶体管的电流的检测信号，以产生用于控制所述开关晶体管的导通/截止的开关控制信号; 以及反馈信号发生器，接收第一电压和开关控制信号以设置采样周期，并且将在采样周期内的第一脉冲串的最后脉冲采样的第一电压存储为反馈电压。 因此，在没有光耦合器或分流稳压器的情况下，可以精确地检测输出电压。

公开(公告)号：US20080247206A1

公开(公告)日：2008-10-09

申请号：US11985159

申请日：2007-11-14

申请人： Young-Bae Park ,  Jin-Tae Kim ,  Gwan-Bon Koo

发明人： Young-Bae Park ,  Jin-Tae Kim ,  Gwan-Bon Koo

IPC分类号： H02M7/06 ,  H01F27/28

CPC分类号： H02M3/33523 ,  H01F27/362 ,  H01F27/38 ,  H02M2001/0064

摘要： An energy transfer element includes a first winding coupled to an input circuit and a second winding coupled to an output circuit. The first winding has a first unit and a second unit, and the second winding is wound between the first unit of the first winding and the second unit of the first winding. The energy transfer element further includes a third winding provided between the first unit of the first winding and the second winding. The third winding is used to supply a bias voltage of the input circuit, and a winding width of the third winding is greater than a winding width of the first unit of the first winding and a width of the second winding.

摘要翻译： 能量传递元件包括耦合到输入电路的第一绕组和耦合到输出电路的第二绕组。 第一绕组具有第一单元和第二单元，并且第二绕组缠绕在第一绕组的第一单元和第一绕组的第二单元之间。 能量传递元件还包括设置在第一绕组的第一单元和第二绕组之间的第三绕组。 第三绕组用于提供输入电路的偏置电压，第三绕组的绕组宽度大于第一绕组的第一单元的绕组宽度和第二绕组的宽度。

公开(公告)号：US20080089100A1

公开(公告)日：2008-04-17

申请号：US11807460

申请日：2007-05-29

申请人： Young-Bae Park ,  Gwan-Bon Koo

发明人： Young-Bae Park ,  Gwan-Bon Koo

IPC分类号： H02M3/335

CPC分类号： H02M3/33515 ,  H02M3/33523

摘要： A switching mode power supply includes a switching transistor, coupled to a primary coil at a primary side of a transformer for converting an input DC voltage, supplying power to a secondary and a tertiary coil at a secondary side of the transformer according to an operation of the switching transistor; a switching controller receiving a feedback voltage corresponding to a first voltage generated in the secondary coil and receiving a detection signal corresponding to a current of the switching transistor to generate a switching control signal for controlling the turn on/off of the switching transistor; and a feedback signal generator receiving the first voltage and the switching control signal to set a sampling period, and storing the first voltage, sampled with a last pulse of the first pulse string within the sampling period as a feedback voltage. The output voltage is thereby accurately detected without opto-couplers or shunt regulators.

摘要翻译： 开关电源包括开关晶体管，其耦合到变压器的初级侧的初级线圈，用于转换输入直流电压，根据变压器的次级侧向次级侧的次级侧和第三级线圈供电 开关晶体管; 接收与所述次级线圈中产生的第一电压相对应的反馈电压的开关控制器，并接收对应于所述开关晶体管的电流的检测信号，以产生用于控制所述开关晶体管的导通/截止的开关控制信号; 以及反馈信号发生器，接收第一电压和开关控制信号以设置采样周期，并且将在采样周期内的第一脉冲串的最后脉冲采样的第一电压存储为反馈电压。 因此，在没有光耦合器或分流稳压器的情况下，可以精确地检测输出电压。

公开(公告)号：US20070268169A1

公开(公告)日：2007-11-22

申请号：US11804468

申请日：2007-05-18

申请人： Gwan-Bon Koo ,  Young-Bae Park ,  Sung-Won Yun

发明人： Gwan-Bon Koo ,  Young-Bae Park ,  Sung-Won Yun

IPC分类号： H03M3/00

CPC分类号： H03K17/0822 ,  H03K2017/0806

摘要： The present invention relates to a switch controlling apparatus. The switch controlling apparatus controls a main switch by using a first signal that corresponds to a current flowing to the main switch. The switch controlling apparatus includes a PWM controller for generating a control signal to control turning on/off of the main switch by using the first signal and a clock signal, and a TSD unit for changing the control signal corresponding to heat generated from the main switch. The TSD unit changes a response speed for the heat of the main switch by using the clock signal and the control signal.

摘要翻译： 开关控制装置技术领域本发明涉及开关控制装置。 开关控制装置通过使用与流过主开关的电流对应的第一信号来控制主开关。 开关控制装置包括PWM控制器，用于通过使用第一信号和时钟信号产生控制主开关的导通/截止的控制信号，以及TSD单元，用于改变与从主开关产生的热相对应的控制信号 。 TSD单元通过使用时钟信号和控制信号来改变主开关的热量的响应速度。

公开(公告)号：US08194425B2

公开(公告)日：2012-06-05

申请号：US12220768

申请日：2008-07-25

申请人： Young-Bae Park ,  Gwan-Bon Koo

发明人： Young-Bae Park ,  Gwan-Bon Koo

IPC分类号： H02M3/335

CPC分类号： H03K7/06

摘要： The present invention relates to a frequency modulation device and a switching mode power supply using the frequency modulation device. To prevent electro-magnetic interference (EMI), it is required to slightly vary a switching operation frequency in an SMPS operation. In some embodiments, at least one first signal having a predetermined cycle is generated, a second signal corresponding to a level of a first signal is generated at a turn-off time of a switch, a first reference voltage having at least two different levels is generated according to the second signal, and an oscillator signal for increasing along a first slope during a first period and decreasing along a second slope during a second period between the first reference voltage and a second reference voltage having a level that is different from the first reference voltage is generated.

摘要翻译： 本发明涉及使用该调频装置的频率调制装置和开关模式电源。 为了防止电磁干扰（EMI），需要在SMPS操作中稍微改变开关操作频率。 在一些实施例中，产生具有预定周期的至少一个第一信号，在开关的关断时间产生对应于第一信号的电平的第二信号，具有至少两个不同电平的第一参考电压是 根据第二信号生成的振荡器信号，以及振荡器信号，用于在第一周期期间沿着第一斜率增加，并且在第一参考电压和第二参考电压之间的第二周期期间沿着第二斜率减小，该第二参考电压具有与第一 产生参考电压。