On and off controlled resonant DC-DC power converter
First Claim
1. A resonant DC-DC power converter comprising:
- a single substantially flat carrier substrate comprising a first surface and a second, opposing, surface,an input side circuit comprising a positive and a negative input terminal for receipt of an input voltage or current,an output side circuit comprising positive and negative output terminals for supply of a converter output power, voltage or current and connection to a converter load,a rectification circuit connected between an output of a resonant network and the output side circuit,wherein the resonant network is configured for alternatingly being charged from the input voltage or current and discharged through the rectification circuit by a first controllable switch arrangement in accordance with a first switch control signal, wherein a frequency of the switch control signal is at or above 20 MHz,a second controllable switch arrangement configured to select a first impedance characteristic of the resonant network in a first switch state and select a second impedance characteristic of the resonant network in a second switch state, andan output voltage or current control circuit configured to adjust the converter output voltage and/or current by activating and interrupting the first switch control signal in accordance with a switch state of the second controllable switch arrangement,wherein the input side circuit, the output side circuit, the rectification circuit, the resonant network, the first controllable switch arrangement, the second controllable switch arrangement and the output voltage or current control circuit are attached on the first surface and/or second surface of the single substantially flat carrier substrate.
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Accused Products
Abstract
The present invention relates to a resonant DC-DC power converter comprising an input side circuit comprising a positive and a negative input terminal for receipt of an input voltage or current and an output side circuit comprising positive and negative output terminals for supply of a converter output voltage and connection to a converter load. The resonant DC-DC power converter further comprises a rectification circuit connected between an output of a resonant network and the output side circuit. The resonant network is configured for alternatingly being charged from the input voltage or current and discharged through the rectification circuit by a first controllable switch arrangement in accordance with a first switch control signal. A second controllable switch arrangement of the resonant DC-DC power converter is configured to select a first impedance characteristic of the resonant network in a first switch state and select a second impedance characteristic of the resonant network in a second switch state. An output voltage or current control circuit is configured to adjust the converter output voltage and/or current by activating and interrupting the first switch control signal in accordance with the switch state of the second controllable switch arrangement.
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Citations
17 Claims
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1. A resonant DC-DC power converter comprising:
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a single substantially flat carrier substrate comprising a first surface and a second, opposing, surface, an input side circuit comprising a positive and a negative input terminal for receipt of an input voltage or current, an output side circuit comprising positive and negative output terminals for supply of a converter output power, voltage or current and connection to a converter load, a rectification circuit connected between an output of a resonant network and the output side circuit, wherein the resonant network is configured for alternatingly being charged from the input voltage or current and discharged through the rectification circuit by a first controllable switch arrangement in accordance with a first switch control signal, wherein a frequency of the switch control signal is at or above 20 MHz, a second controllable switch arrangement configured to select a first impedance characteristic of the resonant network in a first switch state and select a second impedance characteristic of the resonant network in a second switch state, and an output voltage or current control circuit configured to adjust the converter output voltage and/or current by activating and interrupting the first switch control signal in accordance with a switch state of the second controllable switch arrangement, wherein the input side circuit, the output side circuit, the rectification circuit, the resonant network, the first controllable switch arrangement, the second controllable switch arrangement and the output voltage or current control circuit are attached on the first surface and/or second surface of the single substantially flat carrier substrate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method of operating a resonant DC-DC power converter to generate a converter output voltage or current, said method comprising:
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a) alternatingly charging and discharging a resonant network of the resonant converter from an input voltage source by a first controllable switch arrangement in accordance with a first switch control signal having a frequency at or above 20 MHz, b) rectifying a resonant current of the resonant network, c) discharging a rectified resonant current through a rectification circuit to produce a rectified output voltage, d) switching between a first impedance characteristic or a second impedance characteristic of the resonant network by selecting a first or a second switch state of a second controllable switch arrangement, and e) adjusting a converter output voltage or current by alternatingly activating and interrupting the first switch control signal in accordance with first and second switch states of the second controllable switch arrangement, wherein the input side circuit, output side circuit, rectification circuit, resonant network, first controllable switch arrangement, second controllable switch arrangement and an output voltage or current control circuit are attached on a first surface and/or second surface of a single substantially flat carrier substrate.
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Specification