Over-current protection for DC-to-DC converters
US8310793B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 21, 2009 |
| Grant date | Nov 13, 2012 |
| Priority date | — |
| Expiry date | Mar 11, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M3/157
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A DC-to-DC converter includes a switching control circuit adapted to provide a control signal having a duty cycle. A switching regulator is adapted to receive both a supply voltage having the first voltage level and the control signal. The switching regulator is further adapted to provide an output signal at the second voltage level as a function of both the supply voltage and the control signal. In addition, a current sensing circuit is adapted to provide at least one alarm signal based the duty cycle of the time-varying signal. Other systems and methods are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.