Power supply system and method for the operation of an electrical load
US8063585B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 14, 2006 |
| Grant date | Nov 22, 2011 |
| Priority date | — |
| Expiry date | Aug 11, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/46
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A current source arrangement, in which at least one branch, comprising a current source (1) and means (2) for the connection of an electrical load (3), is provided. A comparator (5) with transistor (7) connected downstream is connected to a voltage tapping node (4) of said branch. The transistor (7) is connected to a common signal line (8), which is in turn connected to a feedback input of a DC voltage regulator (10). The arrangement can be extended with any number of further branches given a common signal line (8). The current source arrangement proposed is suitable in particular for supplying a plurality of LED array segments for illumination applications and displays.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.