Floating charge pump voltage converter
US9673699B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 8, 2014 |
| Grant date | Jun 6, 2017 |
| Priority date | — |
| Expiry date | Feb 24, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M1/007
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A voltage converter includes at least one charge pump voltage converter circuit. The voltage converter generates three voltages (e.g., 1.2 volts, 2.5 volts, and 1.8 volts) for an electronic system, which can be a smartphone or electronic tablet or other device. The charge pump voltage converter circuit provides an output voltage that is an average of its input voltages. Compared to a low dropout regulator, charge pump voltage converter circuit has high efficiency. This voltage converter will save power compared to converters using a low dropout regulator. An implementation of the voltage converter can includes at least two charge pump voltage converter circuits to generate to different output voltages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.