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公开(公告)号：US11456669B2
公开(公告)日：2022-09-27
申请号：US16988006
申请日：2020-08-07
Applicant: Apple Inc.
Inventor： Jeffrey M. Alves , Peng Wu , Yehonatan Perez , Kisun Lee , Philip Juang
Abstract: Implementations described and claimed herein provide systems and methods for supplying voltage to a load and battery. In one implementation, a first regulated DC-to-DC converter is electrically connected to a first energy source to down convert a first voltage supplied by the first energy source. A load is electrically connected to the first regulated DC-to-DC converter to receive the down converted first voltage. A second regulated DC-to-DC converter is electrically connected to the first regulated DC-to-DC converter to regulate the down converted first voltage to a second voltage. A second power source is electrically connected to the second regulated DC-to-DC converter to charge the second power source using the second voltage, and the second power source is switchably connectable to the load.
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公开(公告)号：US10737586B2
公开(公告)日：2020-08-11
申请号：US16012118
申请日：2018-06-19
Applicant: Apple Inc.
Inventor： Jeffrey M. Alves , Peng Wu , Yehonatan Perez , Kisun Lee , Philip Juang
Abstract: Implementations described and claimed herein provide systems and methods for supplying voltage to a load and battery. In one implementation, an unregulated DC-to-DC converter is electrically connected to a first energy source to down convert a first voltage supplied by the first energy source. A load is electrically connected to the unregulated DC-to-DC converter to receive the down converted first voltage. A regulated DC-to-DC converter is electrically connected to the unregulated DC-to-DC converter to regulate the down converted first voltage to a second voltage. A second power source is electrically connected to the regulated DC-to-DC converter to charge the second power source using the second voltage, and the second power source is switchably connectable to the load.
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公开(公告)号：US20180301986A1
公开(公告)日：2018-10-18
申请号：US16012118
申请日：2018-06-19
Applicant: Apple Inc.
Inventor： Jeffrey M. Alves , Peng Wu , Yehonatan Perez , Kisun Lee , Philip Juang
Abstract: Implementations described and claimed herein provide systems and methods for supplying voltage to a load and battery. In one implementation, an unregulated DC-to-DC converter is electrically connected to a first energy source to down convert a first voltage supplied by the first energy source. A load is electrically connected to the unregulated DC-to-DC converter to receive the down converted first voltage. A regulated DC-to-DC converter is electrically connected to the unregulated DC-to-DC converter to regulate the down converted first voltage to a second voltage. A second power source is electrically connected to the regulated DC-to-DC converter to charge the second power source using the second voltage, and the second power source is switchably connectable to the load.
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