公开(公告)号：US10128755B2

公开(公告)日：2018-11-13

申请号：US15627082

申请日：2017-06-19

Applicant: Apple Inc.

Inventor： Rajarshi Paul ,  Parin Patel ,  Damon Lee ,  Evaldo Miranda, Jr. ,  Mark A. Yoshimoto ,  Jamie L. Langlinais ,  Jonathan M. Audy

IPC: H02M1/14 ,  H02M3/158 ,  H03K5/04 ,  H02M1/08 ,  H02M3/157 ,  H02M1/00

Abstract: A multi-phase switch mode, voltage regulator has a transient mode portion in which a phase control output is coupled to one or more control inputs of one or more switch circuits that conduct inductor current through one or more transient phase inductors, from amongst a number of phase inductors. A slew mode control circuit detects a high slope and then a low slope in the feedback voltage and, in between detection of the high slope and the low slope, pulses the phase control output of the transient mode portion so that the switch circuit that conducts transient phase inductor current adds power to, or sinks power from, the power supply output. Other embodiments are also described.

公开(公告)号：US20180013348A1

公开(公告)日：2018-01-11

申请号：US15627082

申请日：2017-06-19

Applicant: Apple Inc.

Inventor： Rajarshi Paul ,  Parin Patel ,  Damon Lee ,  Evaldo Miranda, JR. ,  Mark A. Yoshimoto ,  Jamie L. Langlinais ,  Jonathan M. Audy

IPC: H02M3/158 ,  H02M1/08 ,  H02M1/14 ,  H03K5/04 ,  H02M3/157 ,  H02M1/00

CPC classification number: H02M3/158 ,  H02M1/083 ,  H02M1/14 ,  H02M3/157 ,  H02M3/1584 ,  H02M2001/0009 ,  H02M2003/1566 ,  H03K5/04

Abstract: A multi-phase switch mode, voltage regulator has a transient mode portion in which a phase control output is coupled to one or more control inputs of one or more switch circuits that conduct inductor current through one or more transient phase inductors, from amongst a number of phase inductors. A slew mode control circuit detects a high slope and then a low slope in the feedback voltage and, in between detection of the high slope and the low slope, pulses the phase control output of the transient mode portion so that the switch circuit that conducts transient phase inductor current adds power to, or sinks power from, the power supply output. Other embodiments are also described.

公开(公告)号：US10581330B2

公开(公告)日：2020-03-03

申请号：US16002551

申请日：2018-06-07

Applicant: Apple Inc.

Inventor： Damon Lee ,  Jamie L. Langlinais ,  Jonathan M. Audy ,  Mark A. Yoshimoto ,  Rajarshi Paul ,  Talbott M. Houk

IPC: G06F1/28 ,  H02M3/07 ,  H02M3/16

Abstract: A power conversion circuit providing a regulated output voltage to a load can include a switching regulator with an input configured to be coupled to an input voltage source and an output configured to be coupled to the load. The power conversion circuit can further include a metered charge transfer converter, such as a charge pump or a switched or pulsed current source, having an input configured to be coupled to an input voltage source and having an output configured to be coupled to the load. A controller coupled to the metered charge transfer converter can be configured to operate the metered charge transfer converter to deliver energy to the load responsive to a dip of the regulated output voltage below a threshold caused by an increase in current drawn by the load. The metered charge transfer converter may be located closer to the load than the switching regulator.

公开(公告)号：US20190280590A1

公开(公告)日：2019-09-12

申请号：US16002551

申请日：2018-06-07

Applicant: Apple Inc.

Inventor： Damon Lee ,  Jamie L. Langlinais ,  Jonathan M. Audy ,  Mark A. Yoshimoto ,  Rajarshi Paul ,  Talbott M. Houk

IPC: H02M3/07 ,  G06F1/28

Abstract: A power conversion circuit providing a regulated output voltage to a load can include a switching regulator with an input configured to be coupled to an input voltage source and an output configured to be coupled to the load. The power conversion circuit can further include a metered charge transfer converter, such as a charge pump or a switched or pulsed current source, having an input configured to be coupled to an input voltage source and having an output configured to be coupled to the load. A controller coupled to the metered charge transfer converter can be configured to operate the metered charge transfer converter to deliver energy to the load responsive to a dip of the regulated output voltage below a threshold caused by an increase in current drawn by the load. The metered charge transfer converter may be located closer to the load than the switching regulator.