-
公开(公告)号：US20160036337A1
公开(公告)日：2016-02-04
申请号：US14881230
申请日：2015-10-13
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Takami MUTO , Tadahiko MATSUMOTO
IPC: H02M3/335
CPC classification number: H02M3/33546 , H02M1/34 , H02M3/33576
Abstract: A switching power supply apparatus includes a first series circuit including a third rectifier device and a fourth rectifier device and that is connected between a positive output terminal and a negative output terminal, and a first capacitor a first end of which is connected to a connection node between the third rectifier device and the fourth rectifier device and a second end of which is connected to an end, not connected to the first series circuit, of a first rectifier device or a second rectifier device. The first series circuit and the first capacitor define a snubber circuit.
Abstract translation: 开关电源装置包括：第一串联电路，包括第三整流器装置和第四整流器装置，并且连接在正输出端子和负输出端子之间;第一电容器，其第一端连接到连接节点 在第三整流器件和第四整流器件之间，其第二端连接到第一整流器器件或第二整流器器件的未连接到第一串联电路的端部。 第一串联电路和第一电容器限定缓冲电路。
-
公开(公告)号：US20250081376A1
公开(公告)日：2025-03-06
申请号：US18726640
申请日：2023-01-24
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Takami MUTO , Masanari TAGO
Abstract: A power supply module including a substrate, an electronic component provided on an upper surface of the substrate, a lower board electrically connected with the electronic component through the substrate, and an upper board electrically connected another end of the at least one pillar opposing an end of the at least one pillar that is electrically connected with the at least one lower board, the at least one upper board being electrically connected with the substrate. A pillar extends between the lower board and the upper board. The pillar includes a first end electrically connected with the lower board and a second end electrically connected with the upper board. A magnetic material is provided around a periphery of the pillar.
-
公开(公告)号：US20220393580A1
公开(公告)日：2022-12-08
申请号：US17747077
申请日：2022-05-18
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Takami MUTO
Abstract: A charge pump includes a first-stage switch, intermediate-stage switches, and a final-stage switch sequentially connected in series to a power line from an input terminal side. A snubber circuit is connected to the intermediate-stage switch. The snubber circuit includes a capacitor and first and second diodes. The capacitor is connected in series to the first diode and the series circuit of the capacitor and the first diode is connected in parallel to the intermediate-stage switch. The cathode of the second diode is connected to a node between the capacitor and the first diode and the anode of the second diode is connected to output terminal.
-
公开(公告)号：US20250038157A1
公开(公告)日：2025-01-30
申请号：US18716188
申请日：2023-02-17
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Takami MUTO , Hiroki MINAMI , Munetake MIYASHITA , Masanari TAGO
IPC: H01L25/16 , H01L23/31 , H01L23/367 , H01L23/538
Abstract: A power supply module includes a first substrate; a control IC, a capacitor, a first electronic component, a second electronic component, a third electronic component and a fourth electronic component on a principal surface of the first substrate; a first submodule including a second substrate above the first electronic component, the second electronic component, the third electronic component, and the fourth electronic component and including a fifth electronic component, a sixth electronic component, and a seventh electronic component on a principal surface of the second substrate; and a resin covering an upper portion of the first submodule.
-
Patent Agency Ranking
公开(公告)号：US20190044450A1
公开(公告)日：2019-02-07
申请号：US16149283
申请日：2018-10-02
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Takami MUTO , Takayoshi NISHIYAMA
CPC classification number: H02M3/33592 , H02M1/08 , H02M1/32 , H02M3/33523 , H02M3/33576 , H02M2001/342
Abstract: A DC-DC converter includes a voltage input portion that receives a DC voltage, a voltage output portion to which a load is connected, a transformer that includes at least a primary winding and a secondary winding, a main switch element between the voltage input portion and the primary winding of the transformer, a rectifier circuit between the voltage output portion and the secondary winding of the transformer, and a reset voltage suppressing circuit that detects a magnitude of a reset voltage generated when excitation energy accumulated in the transformer is reset and reduces a voltage which is applied to the main switch element when the magnitude of the reset voltage exceeds, for example, a predetermined threshold value.
-
公开(公告)号：US20190036445A1
公开(公告)日：2019-01-31
申请号：US16150348
申请日：2018-10-03
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Takami MUTO , Takayoshi NISHIYAMA
IPC: H02M1/34 , H03K17/0814 , H03K17/16 , H02M3/335
Abstract: A switch circuit includes a first switch element defined by an FET, and an active snubber circuit connected between a drain and a source of the first switch element and including a second switch element defined by an FET, a capacitor connected in series to the second switch element, a third switch element connected to a gate of the second switch element and turned on to extract an electric charge of capacitance between the gate and a source of the second switch element, and a delay circuit that turns on the third switch element at a timing delayed from a timing at which the second switch element is turned on.
-
公开(公告)号：US20240339262A1
公开(公告)日：2024-10-10
申请号：US18625328
申请日：2024-04-03
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Takami MUTO
CPC classification number: H01F27/346 , H01F27/24 , H01F27/2823
Abstract: A magnetic component includes a core including first and second protrusions extending in a first direction, a first conductor including a first flat wire that defines a first turn that extends around the first protrusion such that a smallest dimension of the first flat wire is parallel or substantially parallel to the first direction, and a second conductor including a second flat wire that defines a second turn that extends around the second protrusion such that a smallest dimension of the second flat wire is parallel or substantially parallel to the first direction. The first and the second turns are adjacent to each other and are off set in two dimensions to define a gap between adjacent turns of the first and the second conductors.
-
公开(公告)号：US20230282569A1
公开(公告)日：2023-09-07
申请号：US18131385
申请日：2023-04-06
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Takami MUTO , Tsutomu ISHIGE , Takanari OKADA , Hiroki MINAMI , Munetake MIYASHITA
IPC: H01L23/522 , H01L23/00 , H02M3/158
CPC classification number: H01L23/5223 , H01L23/5227 , H01L24/13 , H02M3/158 , H01L2924/19042 , H01L2924/19041 , H01L2924/1426 , H01L2924/1306
Abstract: A power supply circuit module includes a power supply circuit including a lower substrate, an upper substrate parallel or substantially parallel to the lower substrate, an inductor, and chip components mounted on the lower substrate, switching circuit components and chip components mounted on the upper substrate, and substrate connectors that connect the lower substrate with the upper substrate electrically and mechanically. A portion of the substrate connectors is an inductor configuring portion of the power supply circuit or a portion of an inductor configuring portion of the power supply circuit.
-
公开(公告)号：US20180145598A1
公开(公告)日：2018-05-24
申请号：US15876246
申请日：2018-01-22
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Takami MUTO , Takayuki YAMAMOTO , Takayoshi NISHIYAMA , Naoto KINOSHITA , Yuki ABURA , Yoshihiro MATSUMOTO
Abstract: An insulated DC-DC converter includes a substrate, a transformer, a primary side electronic component and a primary side wire defining a primary side circuit together with a primary winding, a secondary side electronic component and a secondary side wire defining a secondary side circuit insulated from the primary side circuit, together with a secondary winding, the secondary side electronic component including a choke coil, and an inter-circuit electronic component and an inter-primary side circuit wire connected over the primary side circuit and the secondary side circuit while insulating the primary side circuit and the secondary side circuit from each other in a DC manner. The choke coil spaced apart from one principal surface of the substrate, and at least one of the primary side electronic component and the inter-circuit electronic component and at least one of a portion of the primary side wire and a portion of the inter-primary side circuit wire are disposed between the choke coil and the one principal surface of the substrate.
-
-
-
-
-
-
-
-
Search Results
9
records
(took 0.015 seconds)
