Multi-channel overvoltage protection circuit
US6127879A · kind A · utility
7Cited by
13References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 1998 |
| Grant date | Oct 3, 2000 |
| Priority date | — |
| Expiry date | Feb 26, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H11/006
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A redundant power supply with a number of loads is coupled to each half of the redundant supply by a respectively different MOSFET switch, with logic gates coupling control signals to the MOSFET switches. The control signal is coupled as one input to the logic gate and the output of the logic gate is connected to the MOSFET switch. The other input of the logic gates for a particular power supply is the output of an overvoltage detection circuit whose output is coupled as an input to all the gates for that power supply. The output of the gates opens the MOSFET switches in response to detection of an overvoltage condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.