BOOST CONVERTER
    1.
    发明公开
    BOOST CONVERTER 审中-公开

    公开(公告)号:US20240186893A1

    公开(公告)日:2024-06-06

    申请号:US18114323

    申请日:2023-02-27

    CPC classification number: H02M3/01 H02M3/07

    Abstract: A boost converter is provided. A first terminal of a first inductor of the boost converter is connected to a positive terminal of an input power source. In the of the boost converter, a second terminal of the first inductor is connected to a first terminal of a resonant inductor, and a second terminal of the resonant inductor is connected to a first terminal of a main switch. A second terminal of the main switch is connected to a negative terminal of the input power source. In the of the boost converter, a first terminal of a clamp switch is connected to the second terminal of the resonant inductor, a second terminal of the clamp switch is connected to a first terminal of a first storage capacitor, and a second terminal of the first storage capacitor is connected to the first terminal of the first inductor.

    RESONANT CONVERTER SWITCHING BETWEEN DIFFERENT OPERATIONAL STATE MODES

    公开(公告)号:US20250167688A1

    公开(公告)日:2025-05-22

    申请号:US18420935

    申请日:2024-01-24

    Abstract: A resonant converter switching between different operational state modes is provided. The resonant converter includes a first transistor, a second transistor, a control circuit, a resonant circuit, a transformer and an output stage circuit. A first terminal of the first transistor and a second terminal of the second transistor are connected to positive and negative terminals of an input voltage source, respectively. A first terminal of the second transistor is connected to a second terminal of the first transistor. The resonant circuit is connected to the second terminal of the first transistor and the transformer. The transformer is connected to a load through the output stage circuit. The control circuit modulates frequencies or duty cycles of conduction time control signals that are outputted to the first and second transistors to different values for switching the resonant converter between the operational state modes.

    RESONANT CONVERTER HAVING SWITCH ON-TIME CONTROL MECHANISM

    公开(公告)号:US20250141347A1

    公开(公告)日:2025-05-01

    申请号:US18395722

    申请日:2023-12-25

    Abstract: A resonant converter having a switch on-time control mechanism is provided. The resonant converter includes a primary-side switch circuit, a primary-side resonant circuit, a secondary-side switch circuit, a secondary-side resonant circuit, a transformer and a control circuit. In the resonant converter, the control circuit controls on-times and switching frequencies of the primary-side switch circuit and the secondary-side switch circuit to extend time within which power is transmitted from an input power source, the primary-side switch circuit, the primary-side resonant circuit and the transformer to the secondary-side resonant circuit, and stored in the secondary-side resonant circuit. As a result, the secondary-side resonant circuit is able to supply more power to a load.

    RESONANT CONVERTER HAVING PRE-CONDUCTION MECHANISM FOR REALIZING WIDE OUTPUT VOLTAGE RANGE

    公开(公告)号:US20230155511A1

    公开(公告)日:2023-05-18

    申请号:US17682042

    申请日:2022-02-28

    CPC classification number: H02M3/33569 H02M1/0058

    Abstract: A resonant converter having a pre-conduction mechanism for realizing a wide output voltage range is provided. The resonant converter includes a first circuit and a second circuit. The first circuit includes a plurality of primary-side switches. The plurality of primary-side switches includes a first high-side switch, a second high-side switch, a first low-side switch and a second low-side switch. The second circuit includes a plurality of secondary-side switches. The plurality of secondary-side switches includes a third high-side switch, a fourth high-side switch, a third low-side switch and a fourth low-side switch. When the second low-side switch and the first low-side switch are turned on and a current time reaches a preset on time, the fourth high-side switch and the third low-side switch are turned on.

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