Voltage supply arrangement and method for supplying voltage to an electrical load with transistor saturation control
US9078320B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2012 |
| Grant date | Jul 7, 2015 |
| Priority date | — |
| Expiry date | Jun 27, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/46
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A voltage supply arrangement for driving an electrical load, particularly a light-emitting diode, comprises a driver circuit (11). The driver circuit (11) features a driver output (12) for making available a driver signal (SB) for controlling a load path (34) that comprises a means (36) for connecting the electrical load (37). The driver circuit (11) furthermore comprises a device (13) for determining an AC signal component of the driver signal (SB), the input side of which is coupled to the driver output (12) and at the output side of which can be tapped a measurement signal (SI) that is dependent on the AC signal component of the driver signal (SB) and according to which a supply voltage (VOUT) of the load path (34) can be adjusted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.