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公开(公告)号：US11936290B2
公开(公告)日：2024-03-19
申请号：US17455860
申请日：2021-11-19
Applicant: Halo Microelectronics International
Inventor： Rui Liu , Songnan Yang
IPC: H02M3/07
CPC classification number: H02M3/07
Abstract: A switched capacitor converter includes a first leg between ground and a first voltage node, a second leg between ground and a second voltage node, a first flying capacitor connected between a first switch common node and a third switch common node of the first leg, a second flying capacitor connected between a first switch common node and a third switch common node of the second leg, a third flying capacitor connected between the first voltage node and the second voltage node, a first upper switch connected between the first voltage node and ground, and a second upper switch connected between the second voltage node and an input terminal.
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公开(公告)号：US20240079954A1
公开(公告)日：2024-03-07
申请号：US18046977
申请日：2022-10-17
Inventor： Minjie Chen , Songnan Yang
CPC classification number: H02M3/07 , H02M1/0083
Abstract: A power conversion system includes one or more switched capacitor input cells connected between an input dc source and a plurality of interleaved multilevel voltage rails, one or more inductor links connected to the plurality of interleaved multilevel voltage rails, and one or more output cells, wherein each output cell is connected to an output load and all of the plurality of interleaved multilevel voltage rails through a corresponding inductor link.
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公开(公告)号：US20230126760A1
公开(公告)日：2023-04-27
申请号：US17511039
申请日：2021-10-26
Applicant: Halo Microelectronics International
Inventor： Rui Liu , Songnan Yang
Abstract: A switched capacitor converter package includes a semiconductor package on a first side of an electrical routing apparatus, a first capacitor and a second capacitor on a second side of the electrical routing apparatus, wherein the first capacitor and the second capacitor are adjacent to each other and connected in parallel, and a third capacitor and a fourth capacitor connected on the second side of the electrical routing apparatus, wherein the third capacitor and the fourth capacitor are adjacent to each other and connected in parallel.
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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
Applicant: Halo Microelectronics International
Inventor： Thomas Liu , Songnan Yang
Abstract: 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：US12224665B2
公开(公告)日：2025-02-11
申请号：US18046977
申请日：2022-10-17
Inventor： Minjie Chen , Songnan Yang
Abstract: A power conversion system includes one or more switched capacitor input cells connected between an input dc source and a plurality of interleaved multilevel voltage rails, one or more inductor links connected to the plurality of interleaved multilevel voltage rails, and one or more output cells, wherein each output cell is connected to an output load and all of the plurality of interleaved multilevel voltage rails through a corresponding inductor link.
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Patent Agency Ranking
公开(公告)号：US20240275279A1
公开(公告)日：2024-08-15
申请号：US18607408
申请日：2024-03-15
Applicant: Halo Microelectronics International
Inventor： Rui Liu , Songnan Yang , Shuang Han , Rong Shu , Wenrui Bai , Qing Cui
CPC classification number: H02M3/07 , H02M1/0025 , H02M3/158
Abstract: A switched capacitor converter includes a first energy storage branch, a second energy storage branch, a third energy storage branch comprising a third capacitor, a seventh switch, an eighth switch, a ninth switch and a tenth switch, and a control branch connected to a first terminal of each switch in the first energy storage branch, the second energy storage branch and the third energy storage branch respectively, wherein the control branch is configured to control each switch to alternately turn on and off periodically in two phases, so that a ratio of a voltage at the input terminal to a voltage at an output terminal is 2N:1, wherein in each operating cycle, the tenth switch is turned on later than at least one switch in the third energy storage branch, and wherein the at least one switch and the tenth switch are in a same phase.
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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
Applicant: Halo Microelectronics International
Inventor： Rui Liu , Thomas Liu , Songnan Yang
IPC: H02M1/00
Abstract: 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：US20240079949A1
公开(公告)日：2024-03-07
申请号：US18389216
申请日：2023-11-13
Applicant: Halo Microelectronics International
Inventor： Rui Liu , Thomas Liu , Songnan Yang
CPC classification number: H02M1/0095 , H02M1/0054 , H02M3/072
Abstract: 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：US20230375641A1
公开(公告)日：2023-11-23
申请号：US18229991
申请日：2023-08-03
Applicant: Halo Microelectronics International
Inventor： Suming Lai , Kenneth Chung-Yin Kwok , Kien Chan Vi , Anan Xiang , Songnan Yang
CPC classification number: G01R31/52 , G01R31/40 , H02M3/07 , H02J7/007 , H02J2207/20
Abstract: A method includes connecting an output of a switched capacitor converter to a battery, the switched capacitor converter comprising a first switch, a second switch, a third switch and an upper circuit connected in series, and a flying capacitor connected between a common node of the first switch and the second switch, and a common node of the third switch and the upper circuit, in a first short circuit testing step, determining whether the third switch is shorted by comparing a voltage on the common node of the third switch and the upper circuit with a first predetermined voltage reference, and in a second short circuit testing step, determining whether the first switch and the second switch are shorted by comparing a voltage on the common node of the first switch and the second switch with a second predetermined voltage reference and a third predetermined voltage reference, respectively.
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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
Applicant: Halo Microelectronics International
Inventor： Rui Liu , Thomas Liu , Songnan Yang
CPC classification number: H02M1/0095 , H02M3/07 , H02M3/1584 , H02M1/0043
Abstract: 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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