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公开(公告)号：US10103632B2
公开(公告)日：2018-10-16
申请号：US15270994
申请日：2016-09-20
Applicant: Richtek Technology Corporation
Inventor： Hung-Shou Nien , Ting-Hung Wang , Cheng-Ching Hsu , Shang-Ying Chung
Abstract: A multiphase power converter has a plurality of phase circuits, each of which provides a phase current when being active. During single-phase operation of the multiphase power converter, an enhanced phase control circuit and method monitor the summation of the phase currents, and when the summation becomes higher than a threshold, switch the multiphase power converter to a higher power zone to increase the number of active phases. A high efficiency and high reliability multiphase power converter is thus accomplished.
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