H05K7/20463

IN-VEHICLE ELECTRONIC CONTROL DEVICE

The present invention provides an in-vehicle electronic control device which further improves heat dissipation by forming a protrusion extending toward an electronic component on an inner surface of a cover portion formed of a highly thermally conductive resin in consideration of orientation of a filling material contained in the highly thermally conductive resin. An in-vehicle electronic control device of the present invention includes: a circuit board on which an electronic component is mounted; a base portion in which the circuit board is installed; and a cover portion with which the circuit board is covered together with the base portion, which is formed of a resin containing a filling material, and which has a protrusion protruding toward the electronic component, in which the protrusion is formed of a resin containing a filling material and a width of the protrusion is smaller than a width of the electronic component.

Inverter

An inverter for a photovoltaic system includes a substantially planar baseplate having a front and a rear, wherein the rear forms an outer rear wall of the inverter, and having at least one platform-like elevation that rises in the direction of the front of the baseplate. The inverter also includes a printed circuit board having one or more heat-generating components mounted thereon, wherein the printed circuit board is installed on the baseplate such that the one or more heat-generating components are arranged on the printed circuit board in the region of the platform-like elevation and are in thermal contact with the platform-like elevation. The inverter further includes a potting compound that fills a space on the front of the baseplate and surrounds at least partially the printed circuit board, and a cover arranged on or in the potting compound that adjoins the baseplate, so that the baseplate and the cover surrounding at least part of the potting compound form a housing. The inverter also includes at least four DC connectors that are arranged in pairs on at least one of the lateral end faces of the housing and at least part of which is cast in the potting compound, and an AC connector that is arranged on one of the lateral end faces of the housing, wherein electrical contacts of the AC connector are connected to the printed circuit board.

OPTICAL TRANSCEIVER WITH HOUSING PRESSING THERMAL INTERFACE MATERIAL BY UNEVEN SURFACE
20220386503 · 2022-12-01 ·

An optical transceiver includes a housing, a heat source accommodated in the housing, and a thermal interface material accommodated in the housing. The housing is in thermal contact with the heat source through the thermal interface material, and the thermal interface material is in physical contact with an uneven surface of the housing.

POWER CONVERTING SYSTEM AND BATTERY CHARGER WITH IMPROVED THERMAL DISSIPATION

A power converting system including a power converter device, a housing, and a thermally conductive filler. The housing encloses the power converter device and the thermally conductive filler. The thermally conductive filler surrounds the power converter device and fills at least in part a space between the power converter device and at least a part of an internal surface of the housing. The embodiments further refers to a battery charger including such a power converting system.

DENSELY PACKED ELECTRONIC SYSTEMS
20230088049 · 2023-03-23 ·

A high-resolution substrate having an area of at least 100 square centimeters and selected traces having a line/space dimension of 2 micrometers or less is employed to integrate multiple independently operable clusters of flip chip mounted components, thereby creating a circuit assembly. Each independently operable cluster of components preferably includes a power distribution chip, a test/monitor chip, and at least one redundant chip for each type of logic device and for each type of memory device. The components in at least one of the independently operable clusters of components may include the components provided in a commercially available chiplet assembly. An electronic system may comprise multiple substrates comprising independently operable clusters of components, plus a motherboard, a system controller, and a system input/output connector.

PLUGGABLE INTRINSICALLY SAFE BARRIER
20230084512 · 2023-03-16 · ·

A new and improved intrinsically safe barrier (“ISB”) provides advantages in connection with installation of field equipment in hazardous areas including Division 2/Zone 2 areas. In one embodiment the new ISB provides a pluggable/unpluggable ISB for use with a receiving terminal base adapted for individual field mounting and alternatively for use with a circuit mount terminal base to permit direct mounting of ISB on circuit boards. A highly effective heat sink design and potting material allows for heat dissipation to allow the ISB to serve a wider range of applications.

POWER ADAPTER AND MANUFACTURING METHOD THEREOF
20220338371 · 2022-10-20 ·

A power adapter and a manufacturing method thereof are provided. The power adapter includes a housing, a circuit board assembly, and a first heat dissipation part. There is accommodation space inside the housing, a line interface is disposed at a first end of the housing, and a power connector is disposed at a second end of the housing. The circuit board assembly is disposed in the accommodation space, and the circuit board assembly is electrically connected to the line interface and the power connector. The first heat dissipation part coats the outside of the circuit board assembly, and there is a gap between an outer wall of the first heat dissipation part and an inner wall of the housing.

ELECTRONIC DEVICE INCLUDING PRINTED CIRCUIT BOARD STRUCTURE INCLUDING THERMAL INTERFACE MATERIAL
20230156902 · 2023-05-18 ·

An electronic device includes a printed circuit board (“PCB”) structure which accommodates a thermal interface material (“TIM”). The PCB structure includes a base plate, a first component on the base plate, a second component on the base plate and apart from the first component, an interposer connected to the base plate and surrounding the first component and the second component, a cover plate connected to the interposer and covering the first component and the second component, and an accommodation part which is between the base plate and a heat conduction plate and accommodates the TIM.

System and Method for Cooling Switching Devices in an Integrated Motor Drive
20230170765 · 2023-06-01 ·

Power semiconductor switching devices in an integrated motor drive are mounted directly to a circuit board substrate via a “pick and place” assembly process. The circuit board substrate is then mounted within the housing for the integrated motor drive and, preferably, in a generally central orientation within the housing. A potting material is provided within the housing of the integrated motor drive and around the circuit board. The potting material substantially encloses the circuit board and fills the volume within the integrated motor drive. The potting material is selected to provide good thermal conductivity between the circuit board and the housing of the integrated motor drive. The potting material is also selected to provide flexibility such that expansion and contraction of the potting material due to heating and cooling of the material does not damage the circuit board or the electronic components mounted to the circuit board.

MODULAR THERMOELECTRIC-BASED COOLING DEVICE FOR HETEROGENEOUS PACKAGES
20210385977 · 2021-12-09 ·

A cooling device for a heterogeneous microchip is fabricated such that different cooling profiles can be provided for different chips. A housing is made of thermal conductive material, the housing having a plurality of channels formed therein. Electric contacts are provided inside each of the channels. Each channel can fit either a thermoelectric cooling device or a metallic block to provide different cooling profiles and design requirements. The cooling device is inserted between a liquid cooling plate and the chip to adjust and enhance heat transfer from the chip to the cooling plate. Alternatively, the cooling plate itself can serve as the housing with the channels, in which case the housing is provided with coupling for liquid pipes or hoses.