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公开(公告)号：US11539296B2
公开(公告)日：2022-12-27
申请号：US17510945
申请日：2021-10-26
发明人： Thomas Liu , Songnan Yang
摘要： A hybrid dual-phase step-up power conversion system includes a step-up converter apparatus comprising a first leg, a second leg, a first capacitor and a second capacitor, wherein the first capacitor and the second capacitor are cross-coupled between the first leg and the second leg, and a plurality of expansion circuits coupled to the step-up converter apparatus, wherein the plurality of expansion circuits is configured to increase a power conversion ratio of the hybrid dual-phase step-up power conversion system.
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公开(公告)号：US20240079949A1
公开(公告)日：2024-03-07
申请号：US18389216
申请日：2023-11-13
发明人： Rui Liu , Thomas Liu , Songnan Yang
CPC分类号： H02M1/0095 , H02M1/0054 , H02M3/072
摘要： A converter includes L phase legs, each phase leg of the L phase legs comprising a plurality of switches connected in series between an input power source and ground, wherein a first flying capacitor of an Mth phase is cross-coupled between an Mth phase leg and an (M+1)th phase leg, and a first flying capacitor of an Lth phase is cross-coupled between an Lth phase leg and a first phase leg, and wherein switches of the L phase legs are configured such that a ratio of an input voltage of the hybrid multi-phase step-down power converter to an output voltage of the hybrid multi-phase step-down power converter is equal to N/D, and wherein L, M, N are positive integers with M 2, and D is a duty cycle of the hybrid multi-phase step-down power converter.
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公开(公告)号：US11817770B2
公开(公告)日：2023-11-14
申请号：US17663696
申请日：2022-05-17
发明人： Rui Liu , Thomas Liu , Songnan Yang
CPC分类号： H02M1/0095 , H02M3/07 , H02M3/1584 , H02M1/0043
摘要： A converter includes a first phase comprising a plurality of first phase switches connected in series between an input power source and ground, a second phase comprising a plurality of second phase switches connected in series between the input power source and ground, and a first flying capacitor of the first phase and a first flying capacitor of the second phase cross-coupled between the first phase and the second phase, wherein switches of the first phase and switches of the second phase are configured such that a ratio of an input voltage of the hybrid dual-phase step-down power converter to an output voltage of the hybrid dual-phase step-down power converter is equal to N/D, and wherein N is an integer, and D is a duty cycle of the hybrid dual-phase step-down power converter.
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公开(公告)号：US20220376625A1
公开(公告)日：2022-11-24
申请号：US17510945
申请日：2021-10-26
发明人： Thomas Liu , Songnan Yang
摘要： A hybrid dual-phase step-up power conversion system includes a step-up converter apparatus comprising a first leg, a second leg, a first capacitor and a second capacitor, wherein the first capacitor and the second capacitor are cross-coupled between the first leg and the second leg, and a plurality of expansion circuits coupled to the step-up converter apparatus, wherein the plurality of expansion circuits is configured to increase a power conversion ratio of the hybrid dual-phase step-up power conversion system.
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公开(公告)号：US11451151B1
公开(公告)日：2022-09-20
申请号：US17326503
申请日：2021-05-21
发明人： Thomas Liu
摘要： A hybrid dual-phase step-up power conversion system includes a first leg including a first switch, a second switch and a third switch connected in series between an output terminal of the hybrid dual-phase step-up power conversion system and ground, a second leg including a fourth switch, a fifth switch and a sixth switch connected in series between the output terminal of the hybrid dual-phase step-up power conversion system and ground, and a first capacitor and a second capacitor cross-coupled between the first leg and the second leg, wherein switches of the first leg and switches of the second leg are configured such that a sum of a voltage across the first capacitor and a voltage across the second capacitor is fed into the output terminal of the hybrid dual-phase step-up power conversion system.
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公开(公告)号：US20220376603A1
公开(公告)日：2022-11-24
申请号：US17663696
申请日：2022-05-17
发明人： Rui Liu , Thomas Liu , Songnan Yang
IPC分类号： H02M1/00
摘要： A converter includes a first phase comprising a plurality of first phase switches connected in series between an input power source and ground, a second phase comprising a plurality of second phase switches connected in series between the input power source and ground, and a first flying capacitor of the first phase and a first flying capacitor of the second phase cross-coupled between the first phase and the second phase, wherein switches of the first phase and switches of the second phase are configured such that a ratio of an input voltage of the hybrid dual-phase step-down power converter to an output voltage of the hybrid dual-phase step-down power converter is equal to N/D, and wherein N is an integer, and D is a duty cycle of the hybrid dual-phase step-down power converter.
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