Invention Grant
- Patent Title: Method and apparatus for multi-phase DC-DC converters using coupled inductors in discontinuous conduction mode
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Application No.: US16388310Application Date: 2019-04-18
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Publication No.: US10734904B2Publication Date: 2020-08-04
- Inventor: Xin Zhou , Justin Michael Burkhart , Brett A. Miwa
- Applicant: Maxim Integrated Products, Inc.
- Applicant Address: US CA San Jose
- Assignee: Maxim Integrated Products, Inc.
- Current Assignee: Maxim Integrated Products, Inc.
- Current Assignee Address: US CA San Jose
- Main IPC: H02M3/158
- IPC: H02M3/158 ; H02M1/00
Abstract:
A multiphase DC-DC converter includes a coupled inductor, N phases of the multiphase DC-DC converter, and a controller, where N is an integer greater than 2. The coupled inductor includes a plurality of inductors. Each inductor is coupled to two neighboring inductors or to rest of the inductors. The N phases of the multiphase DC-DC converter are respectively connected to the plurality of inductors. The controller operates the multiphase DC-DC converter in continuous conduction mode and in discontinuous conduction mode. Body diodes of switches in the N phases do not conduct when the multiphase DC-DC converter operates in discontinuous conduction mode.
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