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公开(公告)号：US20230412085A1
公开(公告)日：2023-12-21
申请号：US18242797
申请日：2023-09-06
Applicant: Delta Electronics, Inc.
Inventor： Yuri Panov , Peter Mantovanelli Barbosa , Yihua Chang , Kai Dong
CPC classification number: H02M3/33573 , H02M3/33571 , H02M3/01 , H02M1/08 , H02M1/14 , H02M1/0009
Abstract: An isolated DC-DC converter is provided. The isolated DC-DC converter includes a full-bridge switching stage, a resonant network, a transformer, an output stage, an isolated charge sensor and a switch controller. The full-bridge switching stage has at least four active switches. The resonant network has a plurality of inductors and plurality of capacitors. The transformer is connected to the resonant network. The output stage is connected to the transformer and is configured to generate an output voltage or current. The isolated charge sensor is connected to the resonant network to generate a resonant inductor current charge signal. The switch controller generates and provides control signals to the at least four active switches based on at least the resonant inductor current charge signal and the output voltage or current.
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公开(公告)号：US11791733B2
公开(公告)日：2023-10-17
申请号：US17482981
申请日：2021-09-23
Applicant: Delta Electronics, Inc.
Inventor： Yuri Panov , Peter Mantovanelli Barbosa , Yihua Chang , Kai Dong
CPC classification number: H02M3/33573 , H02M1/0009 , H02M1/08 , H02M1/14 , H02M3/01 , H02M3/33571
Abstract: The present disclosure provides a control method, in which charge control is combined with input voltage feedforward control and output current feedforward control. It can be shown that the combination of the charge control with the feedforward control performs better than the combination of the direct frequency control (DFC) with the feedforward control. In particular, the combination of the charge control with the feedforward control has much better load transient response with respect to the load transient response of the combined direct frequency control and feedforward control.
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公开(公告)号：US12267020B2
公开(公告)日：2025-04-01
申请号：US18242797
申请日：2023-09-06
Applicant: Delta Electronics, Inc.
Inventor： Yuri Panov , Peter Mantovanelli Barbosa , Yihua Chang , Kai Dong
Abstract: An isolated DC-DC converter is provided. The isolated DC-DC converter includes a full-bridge switching stage, a resonant network, a transformer, an output stage, an isolated charge sensor and a switch controller. The full-bridge switching stage has at least four active switches. The resonant network has a plurality of inductors and plurality of capacitors. The transformer is connected to the resonant network. The output stage is connected to the transformer and is configured to generate an output voltage or current. The isolated charge sensor is connected to the resonant network to generate a resonant inductor current charge signal. The switch controller generates and provides control signals to the at least four active switches based on at least the resonant inductor current charge signal and the output voltage or current.
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