Patents by Inventor Ivan PERRY
Ivan PERRY has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11962180Abstract: 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.Type: GrantFiled: April 1, 2021Date of Patent: April 16, 2024Assignee: Cirrus Logic Inc.Inventors: Emmanuel Marchais, Ross C. Morgan, Ivan Perry, Eric J. King
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Patent number: 11949382Abstract: 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.Type: GrantFiled: August 24, 2022Date of Patent: April 2, 2024Assignee: Cirrus Logic Inc.Inventors: Philip Clarkin, Ivan Perry, Mark H. Tovell, Roberto Napoli, David Rhodes
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Publication number: 20240072559Abstract: 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.Type: ApplicationFiled: November 7, 2023Publication date: February 29, 2024Applicant: Cirrus Logic International Semiconductor Ltd.Inventors: Ivan PERRY, Hasnain AKRAM, Eric J. KING
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Patent number: 11855471Abstract: 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.Type: GrantFiled: July 16, 2021Date of Patent: December 26, 2023Assignee: Cirrus Logic Inc.Inventors: Ivan Perry, Hasnain Akram, Eric J. King
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Publication number: 20230188156Abstract: A power converter system for converting an input voltage at an input into an output voltage at an output may comprise a switch network comprising a reactive circuit element and a plurality of switches, switch control circuitry configured to operate the plurality of switch in a plurality of periodic, sequential states to regulate the output voltage, and reference current generating circuitry. The reference current generating circuitry may include a comparator coupled to a sensed switch of the plurality of switches and configured to compare a current flowing through the sensed switch to a reference current and current-steering circuitry coupled to the comparator configured to generate the reference current and alternate the reference current between a first reference current and a second reference current whenever the switch control circuitry changes from one state of the plurality of periodic, sequential states to another state of the plurality of periodic, sequential states.Type: ApplicationFiled: November 18, 2022Publication date: June 15, 2023Applicant: Cirrus Logic International Semiconductor Ltd.Inventors: Ivan PERRY, Hasnain AKRAM, Graeme G. MACKAY, Pietro GALLINA, Chanchal GUPTA, Bryan QUINONES, Abhishek RAY
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Publication number: 20230060984Abstract: A charging integrated circuit for use in an electronic device may include an input interface configured to receive input electrical energy from a power supply, wherein the input interface is controllable to modify characteristics of the input electrical energy, a regulator configured to receive a supply voltage based on the input electrical energy and generate an output voltage, and a controller configured to control characteristics of the input electrical energy to maximize power efficiency associated with at least one of the charging integrated circuit and the electronic device.Type: ApplicationFiled: February 11, 2022Publication date: March 2, 2023Applicant: Cirrus Logic International Semiconductor Ltd.Inventors: Ivan PERRY, Ilija JERGOVIC
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Publication number: 20220407461Abstract: 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.Type: ApplicationFiled: August 24, 2022Publication date: December 22, 2022Applicant: Cirrus Logic International Semiconductor Ltd.Inventors: Philip CLARKIN, Ivan PERRY, Mark H. TOVELL, Roberto NAPOLI, David RHODES
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Patent number: 11476805Abstract: 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.Type: GrantFiled: April 16, 2020Date of Patent: October 18, 2022Assignee: Cirrus Logic, Inc.Inventors: Philip Clarkin, Ivan Perry, Mark H. Tovell, Roberto Napoli, David Rhodes
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Publication number: 20220320999Abstract: 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.Type: ApplicationFiled: April 1, 2021Publication date: October 6, 2022Applicant: Cirrus Logic International Semiconductor Ltd.Inventors: Emmanuel MARCHAIS, Ross C. MORGAN, Ivan PERRY, Eric J. KING
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Publication number: 20220052546Abstract: A system may include a wireless receiver module configured to receive electrical energy from a wireless transmission module, a first power converter electrically coupled to the wireless transmission module and configured to convert a charging voltage generated by the wireless transmission module into an intermediate voltage, and a second power converter configured to be arranged in series between a battery and the first power converter and configured to convert the intermediate voltage into a battery voltage for charging the battery.Type: ApplicationFiled: July 15, 2021Publication date: February 17, 2022Applicant: Cirrus Logic International Semiconductor Ltd.Inventors: Ross C. MORGAN, Ivan PERRY, Hasnain AKRAM
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Publication number: 20220052540Abstract: 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.Type: ApplicationFiled: July 16, 2021Publication date: February 17, 2022Applicant: Cirrus Logic International Semiconductor Ltd.Inventors: Ivan PERRY, Hasnain AKRAM, Eric J. KING
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Publication number: 20210175852Abstract: 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.Type: ApplicationFiled: April 16, 2020Publication date: June 10, 2021Applicant: Cirrus Logic International Semiconductor Ltd.Inventors: Philip CLARKIN, Ivan PERRY, Mark H. TOVELL, Roberto NAPOLI, David RHODES