公开(公告)号：US20240332956A1

公开(公告)日：2024-10-03

申请号：US18739503

申请日：2024-06-11

申请人： Vitesco Technologies GmbH

发明人： Franz Pfeilschifter ,  Martin Götzenberger

IPC分类号： H02H9/04 ,  B60L3/00

CPC分类号： H02H9/042 ,  B60L3/0023 ,  H02H9/044

摘要： A method for checking the functionality of a high-voltage protective device for an on-board vehicle electrical system is provided. The protective device has a varistor or a different voltage limiting element. The method provides that the capacitive component of the alternating current impedance of the varistor or the voltage limiting element is detected. The capacitive component is further compared to a rated capacitance value, where the rated capacitance value is characteristic of the capacitance of a functioning varistor or voltage limiting element. A defective state of the varistor or the voltage limiting element is determined when the comparison determines that the capacitive component deviates from the rated capacitance value by more than a predetermined magnitude. Furthermore, a high-voltage protection circuit for a vehicle and a high-voltage on-board vehicle electrical system is provided.

公开(公告)号：US20240250525A1

公开(公告)日：2024-07-25

申请号：US18623646

申请日：2024-04-01

申请人： Edward Gerald Orsak, JR.

发明人： Edward Gerald Orsak, JR.

IPC分类号： H02H9/04 ,  H01R13/66 ,  H05K5/02 ,  H05K5/03

CPC分类号： H02H9/044 ,  H01R13/6666 ,  H05K5/0221 ,  H05K5/0226 ,  H05K5/0247 ,  H05K5/03

摘要： A storage compartment is provided. The device includes a housing unit with a door. The housing unit is designed to be concealed within a wall. The housing unit is secured to the wall by a plurality of fasteners. The door is pivotally connected to the housing unit via a plurality of hinges. The door provides access to an interior volume of the housing unit. The door includes more than one spring-loaded latch that secures the door to the housing unit. A plurality of electrical outlets is disposed on the interior walls of the housing unit. A recessed area of the housing unit provides a storage area for electrical cords, surge protectors, and other items. The door includes an aperture that allows for electrical cords within the storage area to be accessed when the door is closed.

公开(公告)号：US20240097436A1

公开(公告)日：2024-03-21

申请号：US18163300

申请日：2023-02-02

申请人： Bamboo Dynamics Corporation., Ltd.

发明人： Yuan Chen Chan ,  Chi-Ming Chuang

IPC分类号： H02H9/04 ,  H03K17/76

CPC分类号： H02H9/042 ,  H02H9/044 ,  H03K17/76

摘要： An electronic device and a method for protecting an equipment from voltage surge damage are provided. The method includes: electrically connecting an input terminal of a one-way pass circuit to a first equipment and electrically connecting an output terminal of the one-way pass circuit to a second equipment; electrically connecting an over-voltage check circuit to the output terminal and a regenerative resistor circuit, wherein the regenerative resistor circuit includes a resistor; detecting, by the over-voltage check circuit, a voltage of the output terminal; and electrically, by the over-voltage check circuit, connecting the output terminal to the resistor in response to the voltage being greater than a voltage threshold.

公开(公告)号：US20240072535A1

公开(公告)日：2024-02-29

申请号：US18449962

申请日：2023-08-15

申请人： Proterial, Ltd.

发明人： Tsukasa KONDO ,  Haruyasu KOMANO

IPC分类号： H02H9/04 ,  H02K11/20 ,  H05K1/02 ,  H05K1/18 ,  H05K5/06 ,  H05K7/20

CPC分类号： H02H9/044 ,  H02K11/20 ,  H05K1/0206 ,  H05K1/184 ,  H05K5/065 ,  H05K7/205 ,  H05K7/20509 ,  H05K2201/10015 ,  H05K2201/10022 ,  H05K2201/10522

摘要： A surge suppression device is provided with a plurality of series circuits each of which includes a resistor and a capacitor that are connected in series, an embedding resin that embeds a plurality of the resistors constituting the plurality of series circuits, and a placement member that places a plurality of the capacitors constituting the plurality of series circuits. The plurality of resistors are arranged in parallel, and the embedding resin and the placement member are aligned in a direction of a plane parallel to both a resistor longitudinal direction which is a longitudinal direction of the resistor and a resistor alignment direction in which the plurality of resistors are aligned.

公开(公告)号：US11721973B2

公开(公告)日：2023-08-08

申请号：US16992094

申请日：2020-08-12

申请人： Global Mixed-mode Technology Inc.

发明人： Rong-Chin Lee

IPC分类号： H02H9/04 ,  G01R19/165 ,  H03K17/0812 ,  H03K17/76 ,  H03K17/687 ,  H03K5/24

CPC分类号： H02H9/042 ,  G01R19/16528 ,  H02H9/044 ,  H03K5/24 ,  H03K17/08122 ,  H03K17/6871 ,  H03K17/76

摘要： An overvoltage protection circuit which can be applied to a motor controller is provided. The overvoltage protection circuit is coupled to an input terminal for receiving an input voltage. The overvoltage protection circuit comprises a switch circuit, a controller, and a comparing unit. When the input voltage is greater than a first voltage, a discharging mechanism is forced to start so as to suppress a voltage spike. When the input voltage is less than a second voltage, the discharging mechanism is closed so as to operate normally.

公开(公告)号：US20190189310A1

公开(公告)日：2019-06-20

申请号：US16202604

申请日：2018-11-28

申请人： ABB Schweiz AG

发明人： Chun Li ,  Jian He ,  Deli Gao ,  Maoshan Niu ,  Ektor Sotiropoulos ,  Felix Greuter ,  Jiansheng Chen ,  Jens Rocks

IPC分类号： H01C7/12 ,  H02H9/04 ,  H01B17/16 ,  H01B17/38 ,  H01B17/66

CPC分类号： H01C7/126 ,  H01B17/16 ,  H01B17/38 ,  H01B17/66 ,  H01C7/12 ,  H02H9/044

摘要： A surge arrester (100) and a method for manufacturing the surge arrester (100), the surge arrester (100) comprises a preassembled active part (110) extending in a longitudinal direction (Y), and a separately produced flexible housing (120) defining a bore (121) in the longitudinal direction (Y) and having an opening at an end surface (126) of the flexible housing (120), the flexible housing (120) is arranged surrounding the active part (110) via the bore (121) and in contact with the active part (110), the contact causes a deformation of the flexible housing (120) in a circumferential direction (C), and the deformation generates a pressure applied on the active part (110) along a radial direction (R).

公开(公告)号：US20180323609A1

公开(公告)日：2018-11-08

申请号：US15588309

申请日：2017-05-05

申请人： SYNAPTICS INCORPORATED

发明人： Abhijat GOYAL

IPC分类号： H02H9/04 ,  G06F3/044

CPC分类号： H02H9/046 ,  G06F3/044 ,  G06F2203/04108 ,  H02H9/044

摘要： Embodiments of disclosure generally relate to integrated circuits (ICs) and, more particularly, a voltage-triggered edge-insensitive electrostatic discharge (ESD) clamp for protection of ICs. An example trigger circuit is provided for controlling a current shunt in an IC. The trigger circuit generally includes a comparison circuit configured to compare a monitored voltage to a reference voltage and output a signal indicating when the monitored voltage reaches or exceeds the reference voltage; and a shunt circuit configured to shunt the current based on receiving the signal from the comparison circuit. The voltage-triggered edge-insensitive clamp provides a single protection circuit that protects against all types of ESD and/or electrostatic overstress (EOS) events.

公开(公告)号：US10074642B2

公开(公告)日：2018-09-11

申请号：US14407264

申请日：2013-07-03

申请人： LITTELFUSE, INC.

发明人： Ader Shen ,  Ethan Kuo ,  Ting-Fung Chang

IPC分类号： H01L27/02 ,  H02H9/04 ,  H02H9/00

CPC分类号： H01L27/0248 ,  H01L27/0255 ,  H01L27/0262 ,  H02H9/005 ,  H02H9/04 ,  H02H9/043 ,  H02H9/044

摘要： A circuit protection component including a crowbar device for protecting electronic devices from transients is generally disclosed. The circuit protection component may include a steering diode bridge and a crowbar device electrically connected to the steering diode bridge. The crowbar device may have a base and an emitter formed on a first layer, the first layer defining a breakdown voltage, which when exceeded allows current to pass under the emitter and out the device through a hole formed in the emitter.

公开(公告)号：US20180205225A1

公开(公告)日：2018-07-19

申请号：US15918309

申请日：2018-03-12

申请人： Renesas Electronics Corporation

发明人： Masashi ARAKAWA ,  Tadashi FUKUI ,  Koji TAKAYANAGI

IPC分类号： H02H9/04 ,  H01L27/02 ,  H02H9/00

CPC分类号： H02H9/044 ,  H01L27/0285 ,  H02H9/005

摘要： Provided is a semiconductor device making it possible to promote area reduction while maintaining ESD resistance. The semiconductor device includes a power wire, a ground wire and a protection circuit provided between the power wire and the ground wire so as to cope with electrostatic discharge. The protection circuit includes a first transistor, a first resistive element, a second transistor, a first capacitive element, a first inverter and a protection transistor. Agate width of the second transistor is narrower than a gate width of the first transistor.

公开(公告)号：US09947467B2

公开(公告)日：2018-04-17

申请号：US15495811

申请日：2017-04-24

申请人： MJG INNOVATIONS, LLC

发明人： Mark Eugene Goodson

IPC分类号： H01G2/14 ,  H02H9/04 ,  H05K1/18 ,  H01G2/10 ,  H01G2/06 ,  H05K3/32 ,  H02H9/00 ,  H01L29/872 ,  H02H3/16

CPC分类号： H01G2/14 ,  H01G2/06 ,  H01G2/10 ,  H01L29/872 ,  H02H3/165 ,  H02H9/005 ,  H02H9/04 ,  H02H9/041 ,  H02H9/043 ,  H02H9/044 ,  H05K1/181 ,  H05K3/32 ,  H05K2201/10015 ,  H05K2201/10174 ,  H05K2201/10196

摘要： A protected capacitor system/method implementing enhanced transient over-voltage suppression is disclosed. The system/method incorporates one or more surge suppression devices (SSDs) proximally located and in parallel with a capacitor structure to produce an overall protected capacitor structure having enhanced reliability and simultaneous ability to resist transient overvoltage conditions. The SSDs are formed from series combinations of transient voltage surge suppressors (TVSs) (metal oxide varistor (MOV), diode for alternating current (DIAC), and/or silicon diode for alternating current (SIDAC)) and corresponding shunt diode rectifiers (SDRs) and placed in parallel across a capacitor structure to locally suppress voltage transients across the capacitor structure in excess of the voltage rating of the capacitor structure. The parallel shunting TVS/SDR pairs may be integrated into a printed circuit board (PCB) assembly that is externally attached to the capacitor structure or encapsulated in an enclosure incorporating the capacitor structure.