公开(公告)号：US11962180B2

公开(公告)日：2024-04-16

申请号：US17220641

申请日：2021-04-01

Applicant: Cirrus Logic International Semiconductor Ltd.

Inventor： Emmanuel Marchais ,  Ross C. Morgan ,  Ivan Perry ,  Eric J. King

IPC: H02J7/00 ,  H02M1/00 ,  H02M3/04

CPC classification number: H02J7/007 ,  H02M1/008 ,  H02J2207/20 ,  H02M3/04

Abstract: A power delivery system may include an inductive power converter comprising a shared connection to a shared voltage from a battery, multiple inductive phases, each of the multiple inductive phases configured to generate a respective voltage from the shared voltage, multiple regulated voltage connections, and one or more switches configured and arranged to selectively assign at least one of the multiple inductive phases to a regulated voltage connection selected from the multiple regulated voltage connections.

公开(公告)号：US11949382B2

公开(公告)日：2024-04-02

申请号：US17894799

申请日：2022-08-24

Applicant: Cirrus Logic International Semiconductor Ltd.

Inventor： Philip Clarkin ,  Ivan Perry ,  Mark H. Tovell ,  Roberto Napoli ,  David Rhodes

IPC: H03F1/02 ,  H03F3/217 ,  H03M1/12 ,  H04R3/00

CPC classification number: H03F1/0227 ,  H03F3/217 ,  H03M1/12 ,  H04R3/007 ,  H03F2200/03

Abstract: The present disclosure relates to circuitry comprising: amplifier circuitry configured to receive a variable supply voltage, wherein the supply voltage varies according to an output signal of the amplifier circuitry; monitoring circuitry configured to monitor one or more parameters of an output signal of the amplifier circuitry; and processing circuitry configured to receive an indication of the voltage of the variable supply voltage and an indication of the monitored parameters from the monitoring circuitry and to apply a correction to one or more of the monitored parameters to compensate for coupling between the variable supply voltage and the monitoring circuitry.

公开(公告)号：US12184110B2

公开(公告)日：2024-12-31

申请号：US18503830

申请日：2023-11-07

Applicant: Cirrus Logic International Semiconductor Ltd.

Inventor： Ivan Perry ,  Hasnain Akram ,  Eric J. King

IPC: H02J7/00

Abstract: A power management system for use in a device comprising a battery and one or more components configured to draw electrical energy from the battery may include a first power converter configured to electrically couple between charging circuitry configured to provide electrical energy for charging the battery and the one or more downstream components and a bidirectional power converter configured to electrically couple between the charging circuitry and the battery, wherein the bidirectional power converter is configured to transfer charge from the battery or transfer charge from the battery based on a power requirement of the one or more components and a power available from the first power converter.

公开(公告)号：US11855471B2

公开(公告)日：2023-12-26

申请号：US17377513

申请日：2021-07-16

Applicant: Cirrus Logic International Semiconductor Ltd.

Inventor： Ivan Perry ,  Hasnain Akram ,  Eric J. King

IPC: H02J7/00

CPC classification number: H02J7/0068 ,  H02J7/0063 ,  H02J2207/20 ,  H02J2310/22

Abstract: A power management system for use in a device comprising a battery and one or more components configured to draw electrical energy from the battery may include a first power converter configured to electrically couple between charging circuity configured to provide electrical energy for charging the battery and the one or more downstream components and a bidirectional power converter configured to electrically couple between the charging circuitry and the battery, wherein the bidirectional power converter is configured to transfer charge from the battery or transfer charge from the battery based on a power requirement of the one or more components and a power available from the first power converter.

公开(公告)号：US11476805B2

公开(公告)日：2022-10-18

申请号：US16850248

申请日：2020-04-16

Applicant: Cirrus Logic International Semiconductor Ltd.

Inventor： Philip Clarkin ,  Ivan Perry ,  Mark H. Tovell ,  Roberto Napoli ,  David Rhodes

IPC: H03F1/02 ,  H04R3/00 ,  H03M1/12 ,  H03F3/217

Abstract: The present disclosure relates to circuitry comprising: amplifier circuitry configured to receive a variable supply voltage, wherein the supply voltage varies according to an output signal of the amplifier circuitry; monitoring circuitry configured to monitor one or more parameters of an output signal of the amplifier circuitry; and processing circuitry configured to receive an indication of the voltage of the variable supply voltage and an indication of the monitored parameters from the monitoring circuitry and to apply a correction to one or more of the monitored parameters to compensate for coupling between the variable supply voltage and the monitoring circuitry.