Single inductor dual output voltage converter and the method thereof
US9998005B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2017 |
| Grant date | Jun 12, 2018 |
| Priority date | — |
| Expiry date | Apr 2, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M1/009
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A voltage converter provides a positive voltage and a negative voltage with a single inductor. The voltage converter has a first switch, a second switch, a third switch and a fourth switch switched periodically, wherein each switching period comprise a first time period, a second time period and a third time period, and wherein: during the first time period, the first switch and the fourth switch are turned on, whereas the second switch and the third switch are turned off; during the second time period, the first switch and the third switch are turned on, whereas the second switch and the fourth switch are turned off; and during the third time period, the second switch and the fourth switch are turned on, whereas the first switch and the third switch are turned off.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.