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US 2016/0254751 A1Published application
High Efficiency Power Regulator and Method
AssigneeFuturewei Technologies, Inc.
InventorsHengchun Mao, Yan-Fei Liu, Renhua Wu
Life of this patent
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Abstract
A power regulator comprises a first power switch configured to carry a pulsed current, an input capacitor between a positive terminal of an input voltage bus and a return point, an output capacitor between a positive terminal of an output voltage bus and the return point and a protection device coupled between the return point and a common return point of the input voltage bus and the output voltage bus, wherein the pulsed current is configured to flow through the protection device.
Claims20
A system comprising:
- a three-terminal converter having a first terminal connected to a first input voltage bus, a second terminal connected to a first output voltage bus and a third terminal connected to a first terminal of a protection device;
- and
- the protection device having a second terminal connected to a common node of a second input voltage bus and a second output voltage bus.
A regulator comprising:
- a first power switch configured to carry a pulsed current;
- an input capacitor between a positive terminal of an input voltage bus and a return point;
- an output capacitor between a positive terminal of an output voltage bus and the return point;
- and
- a protection device coupled between the return point and a common return point of the input voltage bus and the output voltage bus, wherein the pulsed current is configured to flow through the protection device.
2 more elements
A method comprising:
- operating a power regulator in a high duty cycle mode, wherein the power regulator comprises:
- a three-terminal converter having a first terminal connected to a first input voltage bus, a second terminal connected to a first output voltage bus and a third terminal connected to a first terminal of a protection device;
- and
- the protection device having a second terminal connected to a common node of a second input voltage bus and a second output voltage bus;
- and
- configuring the power regulator such that a current flowing through the protection device is equal to a current flowing through a power switch of the three-terminal converter.
3 more elements
Dependencies are inferred from the claim text.