Redundant power mixing element with fault detection for DC-to-DC converter
US5488531A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1994 |
| Grant date | Jan 30, 1996 |
| Priority date | — |
| Expiry date | Jun 30, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H3/05
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A power mixing apparatus for mixing current from a first and a second power rail includes a first enabling circuit to provide a first enabling signal, a second enabling circuit to provide a second enabling signal, a first inrush limiter to output a first current in response to the first enabling signal, a second inrush limiter to output a second current in response to the second enabling signal, a first open-circuiting circuit to decouple the first enabling circuit from the first inrush limiter when the first open-circuiting circuit is open-circuited, a second open-circuiting circuit to decouple the second enabling circuit from the second inrush limiter when the second open-circuiting circuit is open-circuited, a first isolation circuit to isolate the first inrush limiter from the second current, a second isolation circuit to isolate the second inrush limiter from the first current, and a direct-current converter to convert the first and the second current in response to the first enabling signal and in response to the second enabling signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.