RESONANT POWER CONVERTER
First Claim
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1. A resonant power converter operating at a fixed frequency, including:
- a resonant circuit, with a resonant voltage at the fixed frequency, on a primary side of an isolating unit; and
an output circuit on a secondary side of the isolating unit, coupled by the isolating unit to the resonant circuit, including switches for conducting during respective overlapping conduction phases, and for generating a DC voltage at an output of the converter.
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Abstract
A resonant power converter including synchronous rectifiers adapted to operate with an overlapping conduction phase and a fixed frequency.
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Citations
32 Claims
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1. A resonant power converter operating at a fixed frequency, including:
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a resonant circuit, with a resonant voltage at the fixed frequency, on a primary side of an isolating unit; and an output circuit on a secondary side of the isolating unit, coupled by the isolating unit to the resonant circuit, including switches for conducting during respective overlapping conduction phases, and for generating a DC voltage at an output of the converter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. A resonant power converter including synchronous rectifiers adapted to operate with an overlapping conduction phase and a fixed frequency.
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31. A control unit for a resonant power converter with synchronous rectifiers operating at a fixed frequency, including:
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a sensor circuit for sensing electrical power in the resonant power converter; and control circuits for controlling the synchronous rectifiers, based on the sensed electrical power, wherein the synchronous rectifiers are controlled to have an overlapping conduction phase.
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32. A method of operating a fixed frequency resonant power converter having output synchronous rectifiers, including controlling the rectifiers to operate with overlapping conduction phases.
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