-
公开(公告)号：US11476691B2
公开(公告)日：2022-10-18
申请号：US17117346
申请日：2020-12-10
Applicant: Halo Microelectronics International
Inventor： Rui Liu
Abstract: A single-stage battery charger system includes a switched capacitor converter coupled between an input power source and a load, an inductor coupled between a midpoint of the switched capacitor converter and the load, and an isolation switch coupled between the midpoint and the load, wherein the isolation switch is configured such that the single-stage battery charger system functions as a multilevel switching charger when the isolation switch is turned off, and the single-stage battery charger system functions as a switched capacitor charger when the isolation switch is turned on.
-
公开(公告)号：US12191770B2
公开(公告)日：2025-01-07
申请号：US17969568
申请日：2022-10-19
Applicant: Halo Microelectronics International
Inventor： Rui Liu
Abstract: A controller for controlling a multi-phase power conversion system includes a pulse width modulation (PWM) comparator configured to generate a PWM signal based on a ramp signal, a voltage reference signal and a feedback voltage from the power conversion system. A circuit may be configured to generate, based on the PWM signal, PWM signals by delaying the PWM signal with different delay times, and feed the PWM signals to respective switching power converters of the multi-phase power conversion system, to regulate an output voltage of the power conversion system. Each switching power converter may include a control circuit configured to adjust a pulse width of a received PWM signal based on a reference current and an output current of a corresponding switching power converter, to generate an adjusted PWM signal, based on which, an output voltage of the corresponding switching power converter is regulated.
-
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.
-
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.
-
公开(公告)号：US11777396B2
公开(公告)日：2023-10-03
申请号：US17382738
申请日：2021-07-22
Applicant: Halo Microelectronics International
Inventor： Rui Liu
CPC classification number: H02M1/0095 , H02J50/12 , H02M3/07 , H02M3/1582 , H02J2207/20
Abstract: A single-stage battery charging system includes a hybrid converter comprising a plurality of first power switches connected in series, an inductor and a first flying capacitor, wherein the inductor is connected to a midpoint of the plurality of first power switches, a switched capacitor converter comprising a plurality of second power switches connected in series, and a second flying capacitor, and an isolation switch coupled between the midpoint of the plurality of first power switches and a midpoint of the plurality of second power switches.
-
Patent Agency Ranking
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.
-
公开(公告)号：US20250079969A1
公开(公告)日：2025-03-06
申请号：US18241363
申请日：2023-09-01
Applicant: Halo Microelectronics International
Inventor： Rui Liu , Sofjan Goenawan
Abstract: An apparatus includes a first switch connected between an input voltage bus of a hybrid switched capacitor converter and an input of a bias power regulator, a second switch connected between a first switching node of the hybrid switched capacitor converter and the input of the bias power regulator, wherein the second switch is configured such that when the second switch is turned on, a voltage on the first switching node is equal to (N/M) of a voltage on the input voltage bus, a third switch connected between a second switching node of the hybrid switched capacitor converter and the input of the bias power regulator, wherein the third switch is configured such that when the third switch is turned on, a voltage on the second switching node is equal to (L/M) of the voltage on the input voltage bus.
-
公开(公告)号：US12132401B2
公开(公告)日：2024-10-29
申请号：US18056758
申请日：2022-11-18
Applicant: Halo Microelectronics International
Inventor： Rui Liu , Sofjan Goenawan
Abstract: An apparatus includes a PWM ramp generator coupled between a switching node of a power converter and a first input of a comparator, the PWM ramp generator including a first resistor and a first capacitor connected in series between the switching node and the first input of the comparator, and a second resistor and a second capacitor connected in parallel between the first input of the comparator and a feedback node, and a PFM control circuit including an error amplifier and a current zero crossing detection comparator, wherein the error amplifier is coupled between a second input of the comparator and a reference node, and the PFM control circuit is configured to generate gate drive signal for the power converter when the power converter is configured to operate in a PFM mode.
-
公开(公告)号：US12081119B2
公开(公告)日：2024-09-03
申请号：US17531341
申请日：2021-11-19
Applicant: Halo Microelectronics International
Inventor： Rui Liu
CPC classification number: H02M3/07 , H02M1/0003 , H02M1/0032 , H02M3/158
Abstract: A control circuit is configured to control a switched capacitor converter to operate in a pulse frequency modulation (PFM) mode. The control circuit includes a one-shot circuitry configured to generate a one-shot pulse to drive the switched capacitor converter to operate in the PFM mode. A PFM mode comparator is coupled to the one-shot circuitry, and is configured to trigger, based on an output voltage of the switched capacitor converter, the one-shot circuitry to generate the one-shot pulse. The switched capacitor converter may be controlled to enter or exit the PFM mode operation based on a trailing current of a flying capacitor of the switched capacitor converter, an output current of the switched capacitor converter, a charging time duration of the flying capacitor when the switched capacitor converter is operating in the PFM mode, or a PFM switching period of the switched capacitor converter operating in the PFM mode.
-
公开(公告)号：US12028980B2
公开(公告)日：2024-07-02
申请号：US17511039
申请日：2021-10-26
Applicant: Halo Microelectronics International
Inventor： Rui Liu , Songnan Yang
CPC classification number: H05K1/181 , H01L25/16 , H02M1/08 , H02M3/07 , H05K1/113 , H05K3/3415 , H05K3/3436 , H05K3/3442 , H05K2201/10015 , H05K2201/10166 , H05K2201/10522 , H05K2201/10545
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.
-
-
-
-
-
-
-
-
-
Search Results
25
records
(took 0.029 seconds)
