公开(公告)号：US08315073B2

公开(公告)日：2012-11-20

申请号：US12551585

申请日：2009-09-01

申请人： Tadahiko Matsumoto ,  Eito Moromizato

发明人： Tadahiko Matsumoto ,  Eito Moromizato

IPC分类号： H02M3/335

CPC分类号： H02M1/34 ,  H02M3/33523 ,  H02M3/33538 ,  H02M3/3376 ,  H02M2001/0064 ,  H02M2001/342 ,  Y02B70/1491

摘要： An isolated switching power supply device includes a main transformer having a primary coil on a primary circuit side and a secondary coil on a secondary circuit side. On the primary circuit side are disposed an input smoothing capacitor, a switching control circuit, a high-side driver, a low-side power switch, a high-side power switch, capacitors, and edge signal-generating circuits. A symmetrical control half bridge converter is thus provided. The secondary circuit side has a voltage clamping circuit including a clamp capacitor, a clamp switch and a diode.

摘要翻译： 一种隔离的开关电源装置，包括：主变压器，其在主电路侧具有初级线圈，在次级电路侧具有次级线圈。 在主电路侧设置有输入平滑电容器，开关控制电路，高侧驱动器，低边电源开关，高边电源开关，电容器和边缘信号发生电路。 因此提供了对称控制半桥转换器。 次级电路侧具有钳位电容器，钳位开关和二极管的钳位电路。

公开(公告)号：US20120112866A1

公开(公告)日：2012-05-10

申请号：US13352592

申请日：2012-01-18

申请人： Tadahiko MATSUMOTO

发明人： Tadahiko MATSUMOTO

IPC分类号： H01F27/22

CPC分类号： H02M3/28 ,  H01F27/22 ,  H01F2027/2809 ,  H05K1/0207 ,  H05K1/165 ,  H05K1/182 ,  H05K2201/086 ,  H05K2201/09063 ,  H05K2201/093 ,  H05K2201/0969

摘要： A coil-integrated switching power supply module that provides an improved heat radiation effect to keep the temperature of the entire coil-integrated switching power supply module to a lower value includes a thermal diffusion conductor pattern arranged around a hole through which a magnetic core extends on a layer. The thermal diffusion conductor pattern continuously extends in areas where coil conductor patterns are located on other layers and outside areas where the coil conductor patterns are located on the other layers. In addition, the thermal diffusion conductor pattern includes slits at portions thereof and does not define a closed loop around the hole through which the magnetic core extends.

摘要翻译： 提供改善的散热效果以将整个线圈集成开关电源模块的温度保持在较低值的线圈集成开关电源模块包括布置在磁芯延伸的孔周围的热扩散导体图案 一层。 热扩散导体图案在线圈导体图案位于其它层和线圈导体图案位于其它层上的外部区域的区域中连续地延伸。 此外，热扩散导体图案在其部分包括狭缝，并且不限定围绕磁芯延伸的孔的闭环。

公开(公告)号：US07480158B2

公开(公告)日：2009-01-20

申请号：US11848927

申请日：2007-08-31

申请人： Eito Moromizato ,  Tadahiko Matsumoto

发明人： Eito Moromizato ,  Tadahiko Matsumoto

IPC分类号： H02M3/335

CPC分类号： H02M3/33592 ,  Y02B70/1475

摘要： A first drive control signal regenerating circuit outputs an ON timing drive signal at turn-ON of a main switch element, and a second drive control signal regenerating circuit generates an OFF timing drive signal at turn-OFF of the main switch element. A rectifying switch controlling switch element connected between the gate and source of a rectifying switch element is driven by an output of the second drive control signal regenerating circuit. An output of the first drive control signal regenerating circuit connects to the gate of a commutating switch controlling switch element, which connects to one end of an auxiliary winding, the other end thereof being connected to the gate of a commutating switch element. Accordingly, the rectifying switch element is directly controlled from the primary side.

摘要翻译： 第一驱动控制信号再生电路在主开关元件的导通时输出ON定时驱动信号，第二驱动控制信号再生电路在主开关元件的截止时产生OFF定时驱动信号。 连接在整流开关元件的栅极和源极之间的整流开关控制开关元件由第二驱动控制信号再生电路的输出驱动。 第一驱动控制信号再生电路的输出端连接到与辅助绕组的一端连接的换向开关控制开关元件的栅极，其另一端连接到换向开关元件的栅极。 因此，整流开关元件从初级侧直接控制。

公开(公告)号：US07403397B2

公开(公告)日：2008-07-22

申请号：US10746660

申请日：2003-12-26

申请人： Tadahiko Matsumoto ,  Syuichi Honda ,  Yasuo Ohashi ,  Naoto Sano

发明人： Tadahiko Matsumoto ,  Syuichi Honda ,  Yasuo Ohashi ,  Naoto Sano

IPC分类号： H05K1/14

CPC分类号： H02M7/003 ,  H02M3/33538 ,  H02M2001/0074 ,  H05K1/144 ,  H05K3/3405 ,  H05K3/3421 ,  H05K3/368 ,  H05K2201/10386

摘要： A switching power-supply module includes circuit boards, power conversion circuit sections provided on the respective circuit boards, conductor land patterns provided with spacing therebetween along edges of the circuit boards, conductor terminals for interconnecting the conductor land patterns. The circuit boards are stacked with spacing therebetween with the corresponding conductor land patterns being aligned, and the aligned conductor land patterns are interconnected by the corresponding conductor terminals. At least one of the conductor terminals includes an interboard-connection portion for interconnecting the conductor land patterns of the circuit boards and a leg portion that extends from the interboard-connection portion in the stacking direction of the circuit boards and that defines an external-connection portion, and the other conductor terminals each function as an interboard-connection dedicated terminal for providing connection between the circuit boards.

摘要翻译： 开关电源模块包括电路板，设置在各个电路板上的功率转换电路部分，沿着电路板的边缘设置有间隔的导体焊盘图案，用于互连导体焊盘图案的导体端子。 电路板之间具有间隔地堆叠，相应的导体焊盘图案对准，并且对准的导体焊盘图案通过相应的导体端子互连。 至少一个导体端子包括用于互连电路板的导体焊盘图案的板间连接部分和从电路板的堆叠方向上从板间连接部分延伸的脚部分，并且限定外部连接 部分，其他导体端子各自用作板间连接专用端子，用于提供电路板之间的连接。

公开(公告)号：US06879499B2

公开(公告)日：2005-04-12

申请号：US10696403

申请日：2003-10-28

申请人： Tadahiko Matsumoto

发明人： Tadahiko Matsumoto

IPC分类号： H02M7/21 ,  H02M3/28 ,  H02M3/335

CPC分类号： H02M3/335

摘要： A DC-DC converter includes an ON-timing delay circuit in which, when an ON signal is output from a power switch driving circuit in a control IC to a power switch, the ON timing of the power switch is delayed by hindering the start of the ON operation of the power switch. An early turnoff circuit is provided in which, during delay of the ON timing of the power switch, a commutating synchronous rectifier has an ON and OFF switching operation that is inverse with respect to that of the power switch. A delay eliminating circuit is provided which promptly stops the delay operation of the ON-timing delay circuit when detecting the turnoff of the commutating synchronous rectifier which is caused by a drop in the gate of a commutating synchronous rectifier. When the delay operation of the ON-timing delay circuit continues after the turnoff the commutating synchronous rectifier, a loss caused by the continuation of the delay operation occurs. The problem can be prevented by the delay eliminating circuit.

摘要翻译： DC-DC转换器包括接通定时延迟电路，其中当ON信号从控制IC中的电源开关驱动电路输出到电源开关时，电源开关的接通定时被阻止开始 电源开关的ON操作。 提供一种早期的关闭电路，其中在延迟电源开关的接通定时期间，换向同步整流器具有与电源开关相反的ON和OFF开关操作。 提供一种延迟消除电路，当检测由换向同步整流器的栅极的下降引起的整流同步整流器的截止时，及时停止接通定时延迟电路的延迟动作。 当导通定时延迟电路的延迟操作在整流同步整流器的关断之后继续时，发生由延迟操作的延续引起的损耗。 可以通过延迟消除电路来防止该问题。

公开(公告)号：US06757174B2

公开(公告)日：2004-06-29

申请号：US10105777

申请日：2002-03-25

申请人： Jun Nagai ,  Yoshihiro Matsumoto ,  Takayoshi Nishiyama ,  Tadahiko Matsumoto

发明人： Jun Nagai ,  Yoshihiro Matsumoto ,  Takayoshi Nishiyama ,  Tadahiko Matsumoto

IPC分类号： H05K103

CPC分类号： H01F27/2804 ,  H01F27/292 ,  H05K1/141 ,  H05K1/165 ,  H05K3/3405 ,  H05K3/3421 ,  H05K2201/086 ,  H05K2201/09063 ,  H05K2201/10386 ,  H05K2201/10446

摘要： A switching power-supply module includes a coil pattern of a transformer or an inductor disposed on a substrate. A portion of the coil pattern projects into an edge portion of the substrate. A plurality of terminals are arranged in the substrate edge portion so that they do not touch the coil pattern. The substrate edge portion is soaked in molten solder in the production procedure in order to fix the terminals onto the substrate with solder after components are solder-connected on the substrate. For this reason, the components were previously prohibited from being mounted in the substrate edge portion, and this region has been previously considered to be a dead space. However, in the present invention, since a portion of the coil pattern projects into the substrate edge portion, dead space is minimized, and the size of the substrate, that is, of the switching power supply module is greatly reduced.

摘要翻译： 开关电源模块包括设置在基板上的变压器或电感器的线圈图案。 线圈图案的一部分突出到基板的边缘部分。 多个端子布置在基板边缘部分中，使得它们不接触线圈图案。 在制造过程中，将基板边缘部分浸入熔融焊料中，以便在将元件焊接在基板上之后将端子固定在基板上。 因此，以前，这些部件被禁止安装在基板边缘部分中，该区域以前被认为是死空间。 然而，在本发明中，由于线圈图案的一部分突出到基板边缘部分中，所以死空间最小化，并且基板，即开关电源模块的尺寸大大降低。

公开(公告)号：US06574081B1

公开(公告)日：2003-06-03

申请号：US09717916

申请日：2000-11-21

申请人： Tadahiko Matsumoto ,  Hitoshi Tsuji ,  Jun Nagai

发明人： Tadahiko Matsumoto ,  Hitoshi Tsuji ,  Jun Nagai

IPC分类号： H02H7125

CPC分类号： H02M1/32 ,  H02H7/1213 ,  H02M1/36 ,  H02M2001/0006

摘要： A DC-DC converter has a primary-side circuit connected to a DC power supply and a converter for converting voltage supplied by the DC power supply into an AC signal; a secondary-side circuit for rectifying and smoothing the AC signal transmitted from the primary-side circuit to supply power to a load; and an auxiliary rectifying and smoothing circuit for rectifying and smoothing the AC signal transmitted from the primary-side circuit to supply sub-power supply voltage to the converter of the primary-side circuit. The primary-side circuit further has a monitoring circuit for monitoring the sub-power supply voltage supplied from the auxiliary rectifying and smoothing circuit to the converter and a stop circuit for latching a conversion operation of the converter into an OFF state.

摘要翻译： DC-DC转换器具有连接到DC电源的初级侧电路和用于将由DC电源提供的电压转换为AC信号的转换器; 用于整流和平滑从一次侧电路发送的AC信号以向负载供电的次级侧电路; 以及辅助整流平滑电路，用于整流和平滑从初级侧电路发送的AC信号，以将副电源电压提供给初级侧电路的转换器。 初级侧电路还具有监视电路，用于监视从辅助整流和平滑电路向转换器提供的副电源电压，以及用于将转换器的转换操作锁存到OFF状态的停止电路。

公开(公告)号：US06414861B1

公开(公告)日：2002-07-02

申请号：US09726231

申请日：2000-11-29

申请人： Tadahiko Matsumoto ,  Jun Nagai ,  Takayoshi Nishiyama ,  Hitoshi Tsuji

发明人： Tadahiko Matsumoto ,  Jun Nagai ,  Takayoshi Nishiyama ,  Hitoshi Tsuji

IPC分类号： H02H7122

CPC分类号： H02M3/33592 ,  Y02B70/1475

摘要： A DC-DC converter having a switching element and a synchronous rectifier, the switching element undergoing a switching operation, the converter performing a voltage conversion of an input voltage to provide a converted output voltage at an output/input conversion ratio that is determined by the switching operation of said switching element, the converter delivering the converted output voltage to a load, said DC-DC converter further comprising: a reverse current detector for detecting a reverse current which flows from an output of the converter to an input of the converter, and a reverse current suppressor, the reverse current suppressor controlling the switching operation of said switching element so as to increase the output/input conversion ratio when a reverse current is detected by the reverse current detector, thereby suppressing the reverse current.

摘要翻译： 一种具有开关元件和同步整流器的DC-DC转换器，所述开关元件经历开关操作，所述转换器执行输入电压的电压转换，以提供由输出/输入转换比确定的输出/输入转换比的转换输出电压 所述开关元件的开关操作，所述转换器将转换的输出电压输送到负载，所述DC-DC转换器还包括：反向电流检测器，用于检测从所述转换器的输出流向所述转换器的输入的反向电流， 以及反向电流抑制器，所述反向电流抑制器控制所述开关元件的开关操作，以便当由所述反向电流检测器检测到反向电流时增加所述输出/输入转换比，从而抑制所述反向电流。

公开(公告)号：US06380836B2

公开(公告)日：2002-04-30

申请号：US09855256

申请日：2001-05-15

申请人： Tadahiko Matsumoto ,  Jun Nagai

发明人： Tadahiko Matsumoto ,  Jun Nagai

IPC分类号： H01F500

CPC分类号： H02M3/33576 ,  H01F19/04 ,  H01F27/2804 ,  H02M3/335 ,  H02M3/33592 ,  H02M2001/0064 ,  H05K1/144 ,  H05K1/165 ,  Y02B70/1475

摘要： A switching power supply has a transformer for power transmission. A core is provided having an intermediate leg and at least a pair of external legs arranged at equal intervals from the intermediate leg; a first printed coil is provided on a first substrate which has an intermediate hole and a pair of external holes respectively inserted in the intermediate leg and the pair of external legs of the core, the first printed coil being wound around the intermediate hole; a second printed coil is provided on a second substrate which has an intermediate hole and a pair of external holes respectively inserted in the intermediate leg and the pair of external legs of the core, the second printed coil including a pair of external printed coils which are connected in series and are respectively wound around the pair of the external holes and each having the same number of turns but wound in opposite directions. The pair of external printed coils of the second printed coil generate magnetic fields in opposite directions to each other in the intermediate leg such that the magnetic fields in the intermediate leg cancel each other and induce no induction voltage in the first printed coil, and induction voltages induced in the external printed coils of the second printed coil by magnetic flux generated by the first printed coil are substantially canceled, whereby the first printed coil and the second printed coil form separate inductors which are not magnetically coupled. A third printed coil is provided on a third substrate which has an intermediate hole and a pair of external holes respectively inserted in the intermediate leg and the pair of external legs of the core, the third printed coil being wound around the intermediate hole, whereby the first printed coil is magnetically coupled with the third printed coil to form a first transformer; and further wherein the tranformer for power transmission comprises the first transformer.

公开(公告)号：US06295214B1

公开(公告)日：2001-09-25

申请号：US09538427

申请日：2000-03-29

申请人： Tadahiko Matsumoto ,  Takayoshi Nishiyama ,  Jun Nagai

发明人： Tadahiko Matsumoto ,  Takayoshi Nishiyama ,  Jun Nagai

IPC分类号： H02M3335

CPC分类号： H02M3/33507 ,  H02M2001/0009

摘要： A switching power supply unit, which rectifies and smoothes an AC current and an AC voltage from the on-off switching operation of a main switching element to output a DC current and a DC voltage, has an output current detection circuit including a current detection resistor disposed in an intermittent-current flowing path through which a current intermittently flows in sync with the on-off switching operation of the main switching element, a synchronous rectifying a switching element for rectifying a current flowing through the current detection resistor, and a capacitor for charging the current rectified by the synchronous rectifying element, wherein the current flowing through the current detection resistor is charged in the capacitor by a rectifying operation of the synchronous rectifying element, and the charging voltage of the capacitor is outputted as a voltage corresponding to the output current of the switching power supply unit.

摘要翻译： 开关电源单元，其从主开关元件的开 - 关开关操作对AC电流和AC电压进行整流和平滑以输出DC电流和DC电压，具有输出电流检测电路，其包括电流检测电阻器 设置在与主开关元件的通断开​​关动作同步地间歇地流动的电流的间歇电流流动路径中，对流过电流检测电阻器的电流进行整流的开关元件的同步整流，以及用于 对由同步整流元件整流的电流进行充电，其中流过电流检测电阻器的电流通过同步整流元件的整流操作而被充电到电容器中，并且将电容器的充电电压输出为与输出相对应的电压 开关电源单元的电流。