Charge pump circuit and methods of operation thereof
US7990742B2 · kind B2 · utility
23Cited by
26References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 13, 2007 |
| Grant date | Aug 2, 2011 |
| Priority date | — |
| Expiry date | Sep 8, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M3/072
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A charge pump circuit, and associated method and apparatuses, for providing a split-rail voltage supply, the circuit having a network of switches that is operable in a number of different states and a controller for operating the switches in a sequence of said states so as to generate positive and negative output voltages together spanning a voltage approximately equal to the input voltage and centered on the voltage at the common terminal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.