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1. 发明授权

US08605464B2 Power converter, control method of power converter, and hard disk drive 有权
标题翻译：电源转换器，电源转换器的控制方法和硬盘驱动器
公开(公告)号：US08605464B2
公开(公告)日：2013-12-10
申请号：US13591264
申请日：2012-08-22
申请人： Takashi Sase , Akihiko Kanouda , Yosuke Tsuyuki , Hiroyuki Shoji
发明人： Takashi Sase , Akihiko Kanouda , Yosuke Tsuyuki , Hiroyuki Shoji
IPC分类号： H02M3/335
CPC分类号： H02M1/4258 , H02M2001/0064 , Y02B70/126
摘要： A power converter includes a first inductor, a rectifier arm, a first switch arm including a first and second switch circuits, a second switch arm including a third switch circuit and a first capacitor, a LC serial circuit, a Transformer, a rectification and smoothing circuit connected to secondary winding of the transformer, and a control circuit to perform on-off control of the three switch circuits. The rectifier arm, the first and second switch arms and the LC serial circuit are connected in parallel with each other. The LC serial circuit and primary winding of the transformer are connected. AC power supply is connected to the rectifier arm via the first inductor. The control circuit includes an output voltage control circuit to control output voltage at specific setting value, an intermediate voltage control circuit to control intermediate voltage at specific setting value, and a power factor correction control circuit.
摘要翻译：电力转换器包括第一电感器，整流器臂，包括第一和第二开关电路的第一开关臂，包括第三开关电路和第一电容器的第二开关臂，LC串联电路，变压器，整流和平滑连接到变压器的次级绕组的电路，以及用于执行三个开关电路的开关控制的控制电路。整流臂，第一和第二开关臂和LC串联电路彼此并联连接。变压器的LC串联电路和初级绕组连接。交流电源通过第一电感连接到整流臂。控制电路包括用于以特定设定值控制输出电压的输出电压控制电路，以特定设定值控制中间电压的中间电压控制电路和功率因数校正控制电路。

2. 发明申请

US20130194698A1 POWER CONVERTER, CONTROL METHOD OF POWER CONVERTER, AND HARD DISK DRIVE 有权
标题翻译：电源转换器，电源转换器控制方法和硬盘驱动器
公开(公告)号：US20130194698A1
公开(公告)日：2013-08-01
申请号：US13591264
申请日：2012-08-22
申请人： Takashi SASE , Akihiko Kanouda , Yosuke Tsuyuki , Hiroyuki Shoji
发明人： Takashi SASE , Akihiko Kanouda , Yosuke Tsuyuki , Hiroyuki Shoji
IPC分类号： H02M3/335 , G11B21/02
CPC分类号： H02M1/4258 , H02M2001/0064 , Y02B70/126
摘要： A power converter includes a first inductor, a rectifier arm, a first switch arm including a first and second switch circuits, a second switch arm including a third switch circuit and a first capacitor, a LC serial circuit, a Transformer, a rectification and smoothing circuit connected to secondary winding of the transformer, and a control circuit to perform on-off control of the three switch circuits. The rectifier arm, the first and second switch arms and the LC serial circuit are connected in parallel with each other. The LC serial circuit and primary winding of the transformer are connected. AC power supply is connected to the rectifier arm via the first inductor. The control circuit includes an output voltage control circuit to control output voltage at specific setting value, an intermediate voltage control circuit to control intermediate voltage at specific setting value, and a power factor correction control circuit.
摘要翻译：电力转换器包括第一电感器，整流器臂，包括第一和第二开关电路的第一开关臂，包括第三开关电路和第一电容器的第二开关臂，LC串联电路，变压器，整流和平滑连接到变压器的次级绕组的电路，以及用于执行三个开关电路的开关控制的控制电路。整流臂，第一和第二开关臂和LC串联电路彼此并联连接。变压器的LC串联电路和初级绕组连接。交流电源通过第一电感连接到整流臂。控制电路包括用于以特定设定值控制输出电压的输出电压控制电路，以特定设定值控制中间电压的中间电压控制电路和功率因数校正控制电路。

3. 发明授权

US08654551B2 Supply device, and LED lighting equipment using the same 失效
标题翻译：供应设备，和LED照明设备使用相同
公开(公告)号：US08654551B2
公开(公告)日：2014-02-18
申请号：US13214540
申请日：2011-08-22
申请人： Takashi Sase , Akihiko Kanouda , Yosuke Tsuyuki
发明人： Takashi Sase , Akihiko Kanouda , Yosuke Tsuyuki
IPC分类号： H02M7/08 , H02J1/10
CPC分类号： H05B33/0809 , H02M7/217 , H05B33/0815 , Y02B20/348
摘要： A power supply device includes two buck converters, having a coupling inductor Lo composed of two mutually-coupled inductors L1, L2, and a output capacitor Co, wherein of the two buck converters, a first buck converter is operated during a positive half-cycle period of an AC input voltage, and a second buck converter is operated during a negative half-cycle period of the AC input voltage, to obtain a DC output voltage at both ends of the output capacitor Co from the AC input voltage, is provided. Herewith, is provided the power-supply device using the buck converter, which can be reduced in the number of components and produced in a low cost without a diode bridge.
摘要翻译：电源装置包括两个降压转换器，其具有由两个相互耦合的电感器L1，L2和输出电容器Co组成的耦合电感器Lo，其中在两个降压转换器中，第一降压转换器在正半周期期间操作 AC输入电压的周期，并且在AC输入电压的负半周期期间操作第二降压转换器，以从AC输入电压获得输出电容器Co两端的DC输出电压。因此，提供了使用降压转换器的电源装置，其可以减少元件的数量并且在没有二极管桥的情况下以低成本生产。

4. 发明授权

US08199530B2 Power supply unit, hard disk drive and method of switching the power supply unit 有权
标题翻译：电源单元，硬盘驱动器和切换电源单元的方法
公开(公告)号：US08199530B2
公开(公告)日：2012-06-12
申请号：US12544135
申请日：2009-08-19
申请人： Takashi Sase , Akihiko Kanouda , Yosuke Tsuyuki
发明人： Takashi Sase , Akihiko Kanouda , Yosuke Tsuyuki
IPC分类号： H02M3/335 , H02M3/24
CPC分类号： H02M3/33576 , Y02B70/1433
摘要： Zero volt switching during a light load is performed in such a manner that through an ON/OFF control of switches provided for a full bridge circuit and the synchronous rectifier switches in a rectifier and smoothing circuit, a resonant peak voltage necessary for the zero voltage switching determined by the output current flowing to output terminals, a resonant inductor and a resonant capacitor capacitance is ensured so that an energy accumulated in the rectifier and smoothing circuit is returned to the full bridge circuit so as to act as equivalent as when the output current is increased and to increase the current flowing through the full bridge circuit.
摘要翻译：轻负载时的零伏开关以这样的方式执行，即通过对全桥电路和同步整流器的开/关控制切换整流器和平滑电路，零电压开关所需的谐振峰值电压由流过输出端子的输出电流确定谐振电感器和谐振电容器电容，使得积分在整流器和平滑电路中的能量返回到全桥电路，以便当输出电流为增加并增加流过全桥电路的电流。

5. 发明申请

US20110194206A1 Power-Supply Unit, Hard-Disk Drive, and Switching Method of the Power-Supply Unit 失效
标题翻译：电源单元，硬盘驱动器和电源单元的切换方法
公开(公告)号：US20110194206A1
公开(公告)日：2011-08-11
申请号：US12869176
申请日：2010-08-26
申请人： Takashi Sase , Akihiko Kanouda , Yosuke Tsuyuki
发明人： Takashi Sase , Akihiko Kanouda , Yosuke Tsuyuki
IPC分类号： G11B21/02 , H02M3/335
CPC分类号： H02M3/33592 , H02M2001/0032 , H02M2001/0048 , Y02B70/1433 , Y02B70/1475 , Y02B70/1491 , Y02B70/16
摘要： A power-supply unit which comprises a transformer, a full bridge circuit consisting of four arm switches provided on a primary side of the transformer, a rectifier and smoothing circuit including two synchronous rectifier switches provided on a secondary side of the transformer, a choke coil, and a capacitor, an output terminal provided in the rectifier and smoothing circuit, a control circuit controlling ON/OFF of the four arm switches of the full bridge circuit and the two synchronous rectifier switches of the rectifier and smoothing circuit, a resonant inductor consisting of a leakage inductor component of the transformer and a parasitic inductor component of wirings on the primary side of the transformer, and a resonant capacitor consisting of a parasitic capacitor component of the arm switches of the full bridge circuit, and in which the control circuit comprises timing variable means which varies switching timings of the two synchronous rectifier switches of the rectifier and smoothing circuit based on an output current flowing in the output terminal provided in the rectifier and smoothing circuit.
摘要翻译：包括变压器的电源单元，设置在变压器的初级侧的四个臂开关构成的全桥电路，包括设置在变压器次级侧的两个同步整流开关的整流器和平滑电路，扼流圈以及电容器，设置在整流器和平滑电路中的输出端子，控制电路，控制全桥电路的四个臂开关和整流器和平滑电路的两个同步整流开关的接通/断开，谐振电感器包括的变压器的漏电感器部件和变压器的初级侧的布线的寄生电感器部件以及由全桥电路的臂开关的寄生电容器部件组成的谐振电容器，并且其中控制电路包括定时可变装置，其改变整流器和smo的两个同步整流开关的开关定时基于在整流器和平滑电路中提供的输出端中流过的输出电流的电路。

6. 发明授权

US08724348B2 Power-supply unit, hard-disk drive, and switching method of the power-supply unit 失效
标题翻译：电源单元，硬盘驱动器和电源单元的切换方式
公开(公告)号：US08724348B2
公开(公告)日：2014-05-13
申请号：US12869176
申请日：2010-08-26
申请人： Takashi Sase , Akihiko Kanouda , Yosuke Tsuyuki
发明人： Takashi Sase , Akihiko Kanouda , Yosuke Tsuyuki
IPC分类号： H02M3/335
CPC分类号： H02M3/33592 , H02M2001/0032 , H02M2001/0048 , Y02B70/1433 , Y02B70/1475 , Y02B70/1491 , Y02B70/16
摘要： A power-supply unit including a transformer, a full bridge circuit having four arm switches on a primary side of the transformer, a rectifier and smoothing circuit including two synchronous rectifier switches on a secondary side of the transformer, a choke coil, and a capacitor, an output terminal in the rectifier and smoothing circuit, a control circuit controlling ON/OFF of the four arm switches of the full bridge circuit and the two synchronous rectifier switches of the rectifier and smoothing circuit, a resonant inductor including a leakage inductor component and a parasitic inductor component on the primary side of the transformer, and a resonant capacitor, and in which the control circuit includes a timing variable unit which varies switching timings of the two synchronous rectifier switches of the rectifier and smoothing circuit based on an output current flowing in the output terminal provided in the rectifier and smoothing circuit.
摘要翻译：包括变压器的电源单元，在变压器的初级侧具有四个臂开关的全桥电路，整流器和平滑电路，包括在变压器次级侧上的两个同步整流开关，扼流线圈和电容器整流器和平滑电路中的输出端子，控制全桥电路的四臂开关和整流器和平滑电路的两个同步整流开关的接通/断开的控制电路，包括泄漏电感器元件的谐振电感器和变压器初级侧的寄生电感器部件和谐振电容器，其中控制电路包括定时可变单元，其基于输出电流流动来改变整流器和平滑电路的两个同步整流开关的开关定时在整流器和平滑电路中提供的输出端子。

7. 发明申请

US20120147494A1 POWER-SUPPLY DEVICE, AND LED LIGHTING EQUIPMENT AND HARD DISK DRIVE USING THE SAME 失效
标题翻译：电源设备，LED照明设备和使用其的硬盘驱动器
公开(公告)号：US20120147494A1
公开(公告)日：2012-06-14
申请号：US13214540
申请日：2011-08-22
申请人： Takashi SASE , Akihiko Kanouda , Yosuke Tsuyuki
发明人： Takashi SASE , Akihiko Kanouda , Yosuke Tsuyuki
IPC分类号： G11B21/02 , H05B37/02 , H02M7/02
CPC分类号： H05B33/0809 , H02M7/217 , H05B33/0815 , Y02B20/348
摘要： A power supply device includes two buck converters, having a coupling inductor Lo composed of two mutually-coupled inductors L1, L2, and a output capacitor Co, wherein of the two buck converters, a first buck converter is operated during a positive half-cycle period of an AC input voltage, and a second buck converter is operated during a negative half-cycle period of the AC input voltage, to obtain a DC output voltage at both ends of the output capacitor Co from the AC input voltage, is provided. Herewith, is provided the power-supply device using the buck converter, which can be reduced in the number of components and produced in a low cost without a diode bridge.
摘要翻译：电源装置包括两个降压转换器，其具有由两个相互耦合的电感器L1，L2和输出电容器Co组成的耦合电感器Lo，其中在两个降压转换器中，第一降压转换器在正半周期期间操作 AC输入电压的周期，并且在AC输入电压的负半周期期间操作第二降压转换器，以从AC输入电压获得输出电容器Co两端的DC输出电压。因此，提供了使用降压转换器的电源装置，其可以减少元件的数量并且在没有二极管桥的情况下以低成本生产。

8. 发明授权

US08305065B2 Power supplying apparatus including a pulse-width modulation oscillator and smoothing filters 有权
标题翻译：供电装置，包括脉冲宽度调制振荡器和平滑滤波器
公开(公告)号：US08305065B2
公开(公告)日：2012-11-06
申请号：US12370640
申请日：2009-02-13
申请人： Takashi Sase , Akihiko Kanouda , Yosuke Tsuyuki
发明人： Takashi Sase , Akihiko Kanouda , Yosuke Tsuyuki
IPC分类号： G05F1/00
CPC分类号： H02M3/156 , H02M2001/0032 , Y02B70/16
摘要： A first-order feedback control power supply apparatus being arranged in such a manner that when the apparatus is driven under light load condition, a current flowing through an inductor is detected by employing a second CR smoothing filter; when the present load condition is judged as a light load condition based upon the detected inductor current, both upper-sided/lower-sided power MOSFETs and a PWM oscillator are turned OFF so as to be brought into sleep states; when an output voltage of the power supply apparatus is lowered and the lowered output voltage reaches a lower limit threshold of a transient variation detecting circuit, the upper-sided power MOSFET is turned ON to recover the output voltage; and when the output voltage of the power supply voltage reaches a predetermined voltage, the upper-sided power MOSFET is turned OFF so as to be again brought into the sleep state.
摘要翻译：第一级反馈控制电源装置以这样的方式布置，即当该装置在轻负载条件下被驱动时，通过采用第二CR平滑滤波器来检测流经电感器的电流; 当根据检测到的电感电流将当前的负载状态判定为轻负载状态时，上下两侧功率MOSFET和PWM振荡器都被截止从而处于睡眠状态; 当电源装置的输出电压降低并且降低的输出电压达到瞬态变化检测电路的下限阈值时，上侧功率MOSFET导通以恢复输出电压; 并且当电源电压的输出电压达到预定电压时，将上侧功率MOSFET关断，从而再次进入睡眠状态。

9. 发明申请

US20100232180A1 POWER SUPPLY UNIT, HARD DISK DRIVE AND METHOD OF SWITCHING THE POWER SUPPLY UNIT 有权
标题翻译：电源单元，硬盘驱动器和切换电源单元的方法
公开(公告)号：US20100232180A1
公开(公告)日：2010-09-16
申请号：US12544135
申请日：2009-08-19
申请人： Takashi SASE , Akihiko Kanouda , Yosuke Tsuyuki
发明人： Takashi SASE , Akihiko Kanouda , Yosuke Tsuyuki
IPC分类号： H02M3/335
CPC分类号： H02M3/33576 , Y02B70/1433
摘要： Zero volt switching during a light load is performed in such a manner that through an ON/OFF control of switches provided for a full bridge circuit and the synchronous rectifier switches in a rectifier and smoothing circuit, a resonant peak voltage necessary for the zero voltage switching determined by the output current flowing to output terminals, a resonant inductor and a resonant capacitor capacitance is ensured so that an energy accumulated in the rectifier and smoothing circuit is returned to the full bridge circuit so as to act as equivalent as when the output current is increased and to increase the current flowing through the full bridge circuit.
摘要翻译：轻负载时的零伏开关以这样的方式执行，即通过对全桥电路和同步整流器的开/关控制切换整流器和平滑电路，零电压开关所需的谐振峰值电压由流过输出端子的输出电流确定谐振电感器和谐振电容器电容，使得积分在整流器和平滑电路中的能量返回到全桥电路，以便当输出电流为增加并增加流过全桥电路的电流。

10. 发明申请

US20100026262A1 Power Supplying Apparatus 有权
标题翻译：供电设备
公开(公告)号：US20100026262A1
公开(公告)日：2010-02-04
申请号：US12370640
申请日：2009-02-13
申请人： Takashi Sase , Akihiko Kanouda , Yosuke Tsuyuki
发明人： Takashi Sase , Akihiko Kanouda , Yosuke Tsuyuki
IPC分类号： G05F1/565
CPC分类号： H02M3/156 , H02M2001/0032 , Y02B70/16
摘要： A first-order feedback control power supply apparatus being arranged in such a manner that when the apparatus is driven under light load condition, a current flowing through an inductor is detected by employing a second CR smoothing filter; when the present load condition is judged as a light load condition based upon the detected inductor current, both upper-sided/lower-sided power MOSFETs and a PWM oscillator are turned OFF so as to be brought into sleep states; when an output voltage of the power supply apparatus is lowered and the lowered output voltage reaches a lower limit threshold of a transient variation detecting circuit, the upper-sided power MOSFET is turned ON to recover the output voltage; and when the output voltage of the power supply voltage reaches a predetermined voltage, the upper-sided power MOSFET is turned OFF so as to be again brought into the sleep state.
摘要翻译：第一级反馈控制电源装置以这样的方式布置，即当该装置在轻负载条件下被驱动时，通过采用第二CR平滑滤波器来检测流经电感器的电流; 当根据检测到的电感电流将当前的负载状态判定为轻负载状态时，上下两侧功率MOSFET和PWM振荡器都被截止从而处于睡眠状态; 当电源装置的输出电压降低并且降低的输出电压达到瞬态变化检测电路的下限阈值时，上侧功率MOSFET导通以恢复输出电压; 并且当电源电压的输出电压达到预定电压时，将上侧功率MOSFET关断，从而再次进入睡眠状态。

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