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US 11,539,296 B2Granted
Hybrid power conversion system and control method
AssigneeHalo Microelectronics International
InventorsThomas Liu, Songnan Yang
Life of this patent
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Abstract
A hybrid dual-phase step-up power conversion system includes a step-up converter apparatus comprising a first leg, a second leg, a first capacitor and a second capacitor, wherein the first capacitor and the second capacitor are cross-coupled between the first leg and the second leg, and a plurality of expansion circuits coupled to the step-up converter apparatus, wherein the plurality of expansion circuits is configured to increase a power conversion ratio of the hybrid dual-phase step-up power conversion system.
Claims21
A hybrid dual-phase step-up power conversion system comprising:
- a step-up converter apparatus comprising a first leg, a second leg, a first capacitor and a second capacitor, wherein the first capacitor and the second capacitor are cross-coupled between the first leg and the second leg, and wherein a first terminal of the first capacitor is connected to a common node of two switches of the first leg, and a second terminal of the first capacitor is connected to a common node of two switches of the second leg;
- and
- a plurality of expansion circuits coupled to the step-up converter apparatus, wherein the plurality of expansion circuits is configured to increase a power conversion ratio of the hybrid dual-phase step-up power conversion system.
A system comprising:
- a first switch, a portion of a first type II expansion circuit, a second switch and a third switch coupled in series between an output terminal of the system and ground;
- a fourth switch, a portion of a second type II expansion circuit, a fifth switch and a sixth switch coupled in series between the output terminal of the system and ground;
- a first capacitor is connected between a common node of the fourth switch and the fifth switch, and a common node of the second switch and the first type II expansion circuit;
- a second capacitor is connected between a common node of the second switch and the third switch, and a common node of the fourth switch and the second type II expansion circuit;
- a first inductor connected between an input terminal of the system and the common node of the fifth switch and the sixth switch;
- and
- a second inductor connected between the input terminal of the system and the common node of the second switch and the third switch.
4 more elements
Dependencies are inferred from the claim text.