System having a driver with voltage supply using an auxiliary winding of a transformer
US9936552B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 8, 2017 |
| Grant date | Apr 3, 2018 |
| Priority date | — |
| Expiry date | Feb 8, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B47/199
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In one example, a system includes a controller, a transformer including at least a primary winding and an auxiliary winding, a voltage supply, and a driver. The controller is configured to output an indication of a target current or a target power. The voltage supply is configured to receive an electrical current having a constant average current over time from the auxiliary winding and to output variable electrical current for supplying the controller. The voltage supply includes a capacitor for storing energy and a current sink for consuming a current. The driver is configured to selectively energize the primary winding for supplying one or more load devices based on the target current or the target power and selectively energize the primary winding for operating the voltage supply based on an indication of a voltage at the voltage supply.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.