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US 2019/0356149 A1Published application
High Efficiency Power Converting Apparatus
Assigneex2 Power Technologies Limited
InventorsZeng Li, Jinbiao Huang, Xintao Wang
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Abstract
An apparatus comprises a rectifier configured to convert an alternating current voltage into a direct current voltage and a high efficiency power converter comprising a first stage and a second stage connected in cascade, wherein the first stage configured to operate in various operating modes for charging a battery and the second stage configured to provide isolation between the first stage and the battery.
Claims20
An apparatus comprising:
- a rectifier configured to convert an alternating current voltage into a direct current voltage;
- and
- a high efficiency power converter comprising a first stage and a second stage connected in cascade, wherein:
- the first stage configured to operate in various operating modes for charging a battery;
- and
- the second stage configured to provide isolation between the first stage and the battery.
3 more elements
A method comprising:
- detecting an output voltage of a high efficiency power converter, wherein the high efficiency power converter comprises a first stage and a second stage connected in cascade;
- applying a current control mode to the first stage and configuring an output current of the first stage within a predetermined current range when the output voltage is less than a predetermined output voltage threshold;
- and
- applying a voltage control mode to the first stage and configuring an output voltage of the first stage within a predetermined voltage range when the output voltage is greater than the predetermined output voltage threshold.
1 more element
A system comprising:
- a receiver coil configured to be magnetically coupled to a transmitter coil;
- a rectifier connected to the receiver coil;
- and
- a high efficiency converter connected between the rectifier and a battery, wherein the high efficiency converter comprises a first stage and a second stage connected in cascade, and wherein the first stage configured to operate in various operating modes for charging the battery and the second stage configured to provide isolation between the first stage and the battery.
1 more element
Dependencies are inferred from the claim text.