Totem pole bridgeless PFC power converters
US11750087B2 · kind B2 · utility
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15Claims
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Assignee
Inventors
Key dates
| Filing date | May 24, 2018 |
| Grant date | Sep 5, 2023 |
| Priority date | — |
| Expiry date | Nov 18, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P80/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electric power supply includes a totem pole bridgeless PFC power converter. The PFC power converter includes an input for coupling to an AC power source, an output, four switching devices coupled between the input and the output, two diodes coupled between the four switching devices and the input, a first inductor coupled between the four switching devices and the two diodes, and a second inductor coupled between the two diodes and the input. Other example electric power supplies and totem pole bridgeless PFC power converters are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.