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公开(公告)号：US20230188043A1
公开(公告)日：2023-06-15
申请号：US18168276
申请日：2023-02-13
Applicant: Apple Inc.
Inventor： Sanjay Pant , Fabio Gozzini , Hubert Attah , Jonathan F. Bolus , Wenxun Huang
IPC: H02M3/158 , H02M3/157 , G06F1/3203 , H03M1/12
CPC classification number: H02M3/1584 , H02M3/157 , G06F1/3203 , H03M1/12 , H02M3/1586
Abstract: A voltage regulator circuit included in a computer system may include multiple phase circuits coupled to a regulated power supply line via corresponding one of multiple inductors. The phase circuits may modify a voltage level of the regulated power supply line using respective control signals generated by a digital control circuit that processes multiple data bits. An analog-to-digital converter circuit may compare the voltage level of the regulated power supply node to multiple reference voltage levels and sample the resultant comparisons to generate the multiple data bits.
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公开(公告)号：US11581813B2
公开(公告)日：2023-02-14
申请号：US17661693
申请日：2022-05-02
Applicant: Apple Inc.
Inventor： Sanjay Pant , Fabio Gozzini , Hubert Attah , Jonathan F. Bolus , Wenxun Huang
IPC: H02M3/158 , H03M1/12 , H02M3/157 , G06F1/3203
Abstract: A voltage regulator circuit included in a computer system may include multiple phase circuits each coupled to a regulated power supply node via a corresponding inductor. The phase circuits may modify a voltage level of the regulated power supply node using respective control signals generated by a digital control circuit that processes multiple data bits. An analog-to-digital converter circuit may compare the voltage level of the regulated power supply node to multiple reference voltage levels and sample the resultant comparisons to generate the multiple data bits.
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公开(公告)号：US20220255436A1
公开(公告)日：2022-08-11
申请号：US17661693
申请日：2022-05-02
Applicant: Apple Inc.
Inventor： Sanjay Pant , Fabio Gozzini , Hubert Attah , Jonathan F. Bolus , Wenxun Huang
IPC: H02M3/158 , H02M3/157 , G06F1/3203 , H03M1/12
Abstract: A voltage regulator circuit included in a computer system may include multiple phase circuits each coupled to a regulated power supply node via a corresponding inductor. The phase circuits may modify a voltage level of the regulated power supply node using respective control signals generated by a digital control circuit that processes multiple data bits. An analog-to-digital converter circuit may compare the voltage level of the regulated power supply node to multiple reference voltage levels and sample the resultant comparisons to generate the multiple data bits.
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公开(公告)号：US11962245B2
公开(公告)日：2024-04-16
申请号：US18168276
申请日：2023-02-13
Applicant: Apple Inc.
Inventor： Sanjay Pant , Fabio Gozzini , Hubert Attah , Jonathan F. Bolus , Wenxun Huang
IPC: H02M3/157 , G06F1/3203 , H02M3/158 , H03M1/12
CPC classification number: H02M3/1584 , G06F1/3203 , H02M3/157 , H03M1/12 , H02M3/1586
Abstract: A voltage regulator circuit included in a computer system may include multiple phase circuits coupled to a regulated power supply line via corresponding one of multiple inductors. The phase circuits may modify a voltage level of the regulated power supply line using respective control signals generated by a digital control circuit that processes multiple data bits. An analog-to-digital converter circuit may compare the voltage level of the regulated power supply node to multiple reference voltage levels and sample the resultant comparisons to generate the multiple data bits.
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公开(公告)号：US20240077932A1
公开(公告)日：2024-03-07
申请号：US18122410
申请日：2023-03-16
Applicant: Apple Inc.
Inventor： Talbott M. Houk , Wenxun Huang , Nikola Jovanovic , Floyd L. Dankert , Sanjay Pant , Alessandro Molari , Siarhei Meliukh , Nicola Florio , Ludmil N. Nikolov , Nathan F. Hanagami , Hartmut Sturm , Di Zhao , Chad L. Olson , John J. Sullivan , Seyedeh Maryam Mortazavi Zanjani , Tristan R. Hudson , Jay B. Fletcher , Jonathan A. Dutra
IPC: G06F1/3296 , G06F1/3212 , G06F1/3234
CPC classification number: G06F1/3296 , G06F1/3212 , G06F1/3278
Abstract: The present disclosure describes a system with a power management device, a wakeup circuit, a battery management device, and a connector. During a powered down mode of operation, the battery management device can provide, via the connector, a bias voltage to the wakeup circuit. In response to a wakeup switch being activated, the battery management device can provide a power supply (e.g., from a battery) to the power management device. Benefits of the wakeup circuit include (1) a reduction of battery consumption—and thus improving battery lifetime—when the electronic system is in a powered down mode of operation because the wakeup circuit has lower number of active components compared to other designs and (2) a non-complex wakeup circuit design because one or more existing connector interconnects between the power management device and the battery management device can be re-used during electronic system's powered down mode of operation.
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Patent Agency Ranking
公开(公告)号：US11323033B2
公开(公告)日：2022-05-03
申请号：US17201712
申请日：2021-03-15
Applicant: Apple Inc.
Inventor： Sanjay Pant , Fabio Gozzini , Hubert Attah , Jonathan F. Bolus , Wenxun Huang
IPC: H02M3/158 , H02M1/12 , H02M3/157 , G06F1/3203 , H03M1/12
Abstract: A voltage regulator circuit included in a computer system may include multiple phase circuits each coupled to a regulated power supply node via a corresponding inductor. The phase circuits may modify a voltage level of the regulated power supply node using respective control signals generated by a digital control circuit that processes multiple data bits. An analog-to-digital converter circuit may compare the voltage level of the regulated power supply node to multiple reference voltage levels and sample the resultant comparisons to generate the multiple data bits.
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公开(公告)号：US11909306B2
公开(公告)日：2024-02-20
申请号：US17229470
申请日：2021-04-13
Applicant: Apple Inc.
Inventor： Yue Wen , Hubert Attah , Wenxun Huang , Hao Zhou
CPC classification number: H02M1/32 , H02M1/0009 , H02M3/158
Abstract: A power converter circuit included in a computer system regulates a power supply voltage used by other circuits in the computer system. During operation, the power converter circuit monitors the load current, and, in response to a transient in the load current, switches regulation modes to adapt to the new load conditions. Upon a detection of the end of the transient in the load current, the power converter returns to its original regulation mode.
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公开(公告)号：US20240014739A1
公开(公告)日：2024-01-11
申请号：US18474677
申请日：2023-09-26
Applicant: Apple Inc.
Inventor： Sanjay Pant , Fabio Gozzini , Hubert Attah , Jonathan F. Bolus , Wenxun Huang , Koushik Vaithyanathan , Alberto Puggelli
IPC: H02M3/158 , H02M3/157 , G06F1/3203 , H03M1/12
CPC classification number: H02M3/1584 , H02M3/157 , G06F1/3203 , H03M1/12 , H02M3/1586
Abstract: A power converter with slew rate detection is disclosed. A power converter comprises a plurality of phase circuits coupled to a regulated power supply line via corresponding ones of a plurality of inductors. A first control loop generates, using digital samples and based on comparisons of a reference voltage to a voltage on the regulated power supply line, a first plurality of control signals. A second control loop, using the digital samples, generates a second plurality of control signals based on a rate of change of the voltage of the regulated power supply line. The second control loop causes the first control loop to control the plurality of phase circuits in response to detecting that the rate of change is within a specified range, and causes the second control loop to control the plurality of phase circuits, in response to detecting that the rate of change exceeds the specified range.
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公开(公告)号：US20200350822A1
公开(公告)日：2020-11-05
申请号：US16877260
申请日：2020-05-18
Applicant: Apple Inc.
Inventor： Sanjay Pant , Fabio Gozzini , Hubert Attah , Jonathan F. Bolus , Wenxun Huang
IPC: H02M3/158 , H02M3/157 , G06F1/3203 , H03M1/12
Abstract: A voltage regulator circuit included in a computer system may include multiple phase circuits each coupled to a regulated power supply node via a corresponding inductor. The phase circuits may modify a voltage level of the regulated power supply node using respective control signals generated by a digital control circuit that processes multiple data bits. An analog-to-digital converter circuit may compare the voltage level of the regulated power supply node to multiple reference voltage levels and sample the resultant comparisons to generate the multiple data bits.
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公开(公告)号：US20220329147A1
公开(公告)日：2022-10-13
申请号：US17229470
申请日：2021-04-13
Applicant: Apple Inc.
Inventor： Yue Wen , Hubert Attah , Wenxun Huang , Hao Zhou
Abstract: A power converter circuit included in a computer system regulates a power supply voltage used by other circuits in the computer system. During operation, the power converter circuit monitors the load current, and, in response to a transient in the load current, switches regulation modes to adapt to the new load conditions. Upon a detection of the end of the transient in the load current, the power converter returns to its original regulation mode.
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