-
Patent Agency Ranking
公开(公告)号：US12166414B2
公开(公告)日：2024-12-10
申请号：US17711461
申请日：2022-04-01
Applicant: Intel Corporation
Inventor： Tamir Salus , Nicolas Butzen , Arvind Raghavan , Harish Krishnamurthy
Abstract: Techniques and mechanisms for determining a mode of operation of a switched capacitor voltage regulator (SCVR). In an embodiment, a controller supports multiple modes of operation of the SCVR, wherein the modes each correspond to a different respective sequence of switch states of a converter core of the SCVR. One of the modes is to provide boost voltage regulation with the SCVR. The controller transitions seamlessly and autonomously between two modes based on respective reference switch states of the two modes. In another embodiment, a mode transition is performed based on a signal which a control sensor generates based on a rate of switch events of the voltage regulator, and predetermined reference information indicating current characteristics of the voltage regulator.
-
2.发明公开公开(公告)号：US20230318448A1
公开(公告)日：2023-10-05
申请号：US17711461
申请日：2022-04-01
Applicant: Intel Corporation
Inventor： Tamir Salus , Nicolas Butzen , Arvind Raghavan , Harish Krishnamurthy
Abstract: Techniques and mechanisms for determining a mode of operation of a switched capacitor voltage regulator (SCVR). In an embodiment, a controller supports multiple modes of operation of the SCVR, wherein the modes each correspond to a different respective sequence of switch states of a converter core of the SCVR. One of the modes is to provide boost voltage regulation with the SCVR. The controller transitions seamlessly and autonomously between two modes based on respective reference switch states of the two modes. In another embodiment, a mode transition is performed based on a signal which a control sensor generates based on a rate of switch events of the voltage regulator, and predetermined reference information indicating current characteristics of the voltage regulator.
-
公开(公告)号：US20240297586A1
公开(公告)日：2024-09-05
申请号：US18177426
申请日：2023-03-02
Applicant: Intel Corporation
Inventor： Keng Chen , Shunjiang Xu , Christopher Schaef , Tamir Salus , Kishan Joshi , Arvind Raghavan , Huanhuan Zhang
CPC classification number: H02M3/1584 , G06F1/26
Abstract: Embodiments described herein may include apparatus, systems, techniques, and/or processes that are directed to multiphase power converters and how current level outputs of each phase circuit are calibrated. The multiple phase circuits are grouped into multiple subsets, wherein one phase circuit of each subset is designated as a reference phase circuit. The reference phase circuits of each subset are calibrated together, using, for example, a closed loop daisy chain technique where each reference phase circuit calibrates their current output to the current output of the previous phase circuit, or alternatively, a current averaging technique where each reference phase circuit balances their current output to the average output of the reference phase circuits. The other phase circuits in each subset calibrate their current level outputs to the reference phase circuits in their subset using, for example, an open loop daisy chain technique, a reference/follower technique or by calibrating their output to the average output of the reference phase circuits.
-
公开(公告)号：US20250007395A1
公开(公告)日：2025-01-02
申请号：US18216940
申请日：2023-06-30
Applicant: Intel Corporation
Inventor： Keng Chen , Arvind Raghavan , Rachid Rayess , Tamir Salus , Christopher Schaef , Huanhuan Zhang , Sivaraman Masilamani , Gayathri Devi Sridharan , Subhrashankha Ghosh
Abstract: A switched capacitor voltage regulator (SCVR) design, such as a continuous capacitive voltage regulator (C2VR) design, may use capacitors and switches to provide improved cost and space efficiencies. A remote sensing circuit may be used to improve C2VR performance. By adding a remote sensing circuit to the regulation feedback loop within the C2VR circuit design, the C2VR circuit may provide improved accuracy in voltage regulation, such as by providing a correction based on the voltage error between the remote-sensed voltage and the reference target. The remote sensing circuit may also provide transient information for under-voltage detection at an output terminal. This detected transient may become an alternating current (AC) portion of the under-voltage detection threshold, which improves the ability of the C2VR circuit to provide early detection for any under-voltage fault.
-
公开(公告)号：US20240154526A1
公开(公告)日：2024-05-09
申请号：US17983708
申请日：2022-11-09
Applicant: Intel Corporation
Inventor： Keng Chen , Huanhuan Zhang , Arvind Raghavan , Tamir Salus , Christopher Schaef , Gayathri Devi Sridharan
CPC classification number: H02M3/06 , H02M1/0009
Abstract: A device comprises a first comparator to generate a first clock signal based on a reference voltage and a first voltage at an output of a switched-capacitor power converter (SCPC), and a second comparator to generate a first control signal based on the first voltage and a threshold voltage. A sensor is to generate a second control signal based on one of a level of a current of the first clock signal, or a duty cycle of the first clock signal. A frequency divider circuit is to generate a second clock signal based on the first control signal and the second control signal, and in some embodiments, further based on one of the first clock signal or a third clock signal. Controller circuitry is to operate switch circuitry of the SCPC based on the first clock signal.
-
-
-
-
Search Results
5
records
(took 0.023 seconds)
