POWER ELECTRONIC ARRANGEMENT FOR AN ELECTRIC MACHINE AND MOTOR VEHICLE

    公开(公告)号:US20240206134A1

    公开(公告)日:2024-06-20

    申请号:US18539104

    申请日:2023-12-13

    申请人: AUDI AG

    发明人: Daniel RUPPERT

    摘要: A power electronic arrangement for an electric machine, includes an inverter, power electronic components accommodated in at least one power module, an intermediate circuit connected to the inverter across connection contacts of the at least one power module and having at least one intermediate circuit energy accumulator, and a heat sink to which the at least one power module is thermally connected for cooling, the connection contacts are arranged at a margin and flat against a substrate carrying one or more power semiconductors, and are thermally coupled to the heat sink via the substrate, wherein the at least one intermediate circuit energy accumulator is connected electrically and thermally to the connection contacts to cool the at least one intermediate circuit energy accumulator.

    POWER MODULE
    53.
    发明公开
    POWER MODULE 审中-公开

    公开(公告)号:US20240203862A1

    公开(公告)日:2024-06-20

    申请号:US18533653

    申请日:2023-12-08

    申请人: Robert Bosch GmbH

    摘要: A power module. The power module includes a first circuit carrier having power conductor structures, and a second circuit carrier in parallel therewith and having at least one further power conductor structure electrically connected at an internal contact region via a spacer element, which forms a first electrically symmetrical current star point, to an internal contact region of one of the power conductor structures. A control signal conductor structure is on a second side of the second circuit carrier. Semiconductor switches are arranged and electrically contacted between the first circuit carrier and the second circuit carrier. Control connections of the semiconductor switches are electrically connected to the control signal conductor structure. A common conductor structure is arranged on the second side of the second circuit carrier. Control connections of the semiconductor switches are electrically connected to the common conductor structure.

    INTEGRATION OF BORON ARSENIDE INTO POWER DEVICES AND SEMICONDUCTORS FOR THERMAL MANAGEMENT

    公开(公告)号:US20240186216A1

    公开(公告)日:2024-06-06

    申请号:US18553151

    申请日:2022-03-30

    发明人: Yongjie HU

    摘要: The present embodiments relate generally to the integration of boron arsenide (BAs) and boron phosphide (BP) into semiconductor devices and electronics, including with all semiconductors (Si, Ge, InP, InAs, GaAs), metals, wide-bandgap gallium nitride (GaN, AIGaN, SiC), ultrawide-bandgap (AIN, c-BN, diamond, Ga2O3), HEMT devices, electronics, optoelectronics, photonics, or any power devices for high-performance thermal management. Embodiments successfully develop the first experimental integration and atomic structural characterization of GaN-on-BAs structure for passive cooling of GaN devices, GaN/AIGaN HEMT transistors, and RF technologies, and measured a high thermal boundary conductance of 250 MW/m2K. Importantly, experimental measurement of operating AIGaN/GaN HEMT devices confirms the substantially reduced hot spot temperature and clear advantage for using BAs versus diamond or silicon carbide as cooling substrate.