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Isolated ac-dc converter with master controller on secondary side and slave controller on primary side and method of operation thereof

A converter, isolated technology, applied to the field of isolated AC-DC converter with a master controller on the secondary side and a slave controller on the primary side and its operation, can solve the problem of increasing the total cost of electronic equipment Issues such as size and cost

Inactive Publication Date: 2015-09-16
MARVELL WORLD TRADE LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The additional components required to isolate these signals tend to add significantly to the overall size and cost of the electronic device

Method used

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  • Isolated ac-dc converter with master controller on secondary side and slave controller on primary side and method of operation thereof
  • Isolated ac-dc converter with master controller on secondary side and slave controller on primary side and method of operation thereof
  • Isolated ac-dc converter with master controller on secondary side and slave controller on primary side and method of operation thereof

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Embodiment Construction

[0032] The following description is merely exemplary in nature and is not intended to limit the disclosure, its application or uses. For purposes of clarity, the same reference numbers will be used in the drawings to identify similar elements. As used herein, the phrase "at least one of A, B, and C" should be construed to mean a logical (A or B or C) using a non-exclusive logical OR. It should be understood that steps within a method may be executed in different order without altering the principles of the present disclosure.

[0033] As used herein, the term "module" may refer to, be part of, or include: an Application Specific Integrated Circuit (ASIC), an electronic circuit, a processor (shared, dedicated, or group) that executes one or more software or firmware programs, and / or or memory (shared, dedicated, or bank), combinational logic, and / or other suitable components that provide the described functionality.

[0034] Isolated AC-DC converters in accordance with the pr...

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Abstract

An isolated alternating current (AC)-direct current (DC) converter is disclosed. The isolated AC-DC converter comprises a slave control circuit including a slave driver module configured to receive a command and to control coupling of the slave control circuit to a primary-side inductor of a transformer based on the command, a master control circuit coupled to a secondary-side inductor of the transformer, the master control circuit including a master control module configured to sense a feedback voltage across a load and to generate the command based on the feedback voltage and a reference voltage, and a coupler configured to communicate the command from the master control module to the slave driver module and to provide isolation between the master control module and the slave driver module.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Application No. 61 / 234,187, filed August 14, 2009, and US Provisional Application No. 61 / 235,121, filed August 19, 2009. The disclosures of the above applications are hereby incorporated by reference in their entirety. technical field [0003] The present disclosure relates to control systems and methods for isolated AC-DC converters. Background technique [0004] The background description provided herein is for the purpose of generally presenting the context of the disclosure. The work of the presently cited inventors (in the sense that that work is described in this background section) and aspects of that description that may not otherwise qualify as prior art at the time of filing are neither expressly nor implicitly admitted as prior art with respect to the present disclosure. [0005] The main function of a power supply such as an isolated AC-DC converter is t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M7/12H02M3/335
CPCH02M3/335H02M3/33538
Inventor 塞哈特·苏塔迪嘉拉维尚卡尔·克里沙姆尔斯张万峰
Owner MARVELL WORLD TRADE LTD