Voltage regulation apparatus and method of varying a number of current sources to provide a regulated voltage
US9141161B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 23, 2006 |
| Grant date | Sep 22, 2015 |
| Priority date | — |
| Expiry date | Jul 7, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M3/157
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A voltage regulation apparatus comprises a plurality of individually switchable current sources coupled to an output for coupling the voltage regulation apparatus to an external load. The output is monitored using a bridge divider and a comparator. The bridge divider generates a feedback voltage, that is compared with a reference voltage, representative of a target voltage to be maintained at the output, when loaded. A digital sequencer unit is coupled to the comparator and responds to the comparator to increase or decrease a number of the plurality of individually switchable current sources activated, thereby causing a collective current generated by the activated number of the plurality of individually switchable current sources to converge on a load current, demanded by the external load.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.