Variable-frequency charge pump using output voltage threshold control
US11398804B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Aug 6, 2020 |
| Grant date | Jul 26, 2022 |
| Priority date | — |
| Expiry date | Aug 6, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03G1/0094
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A method for operating a charge pump having a variable switching frequency may include comparing a target minimum output voltage with an output voltage generated at an output of the charge pump and controlling switching of switches of the charge pump based on the comparison such that the variable switching frequency varies as an output current driven by the charge pump varies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.