Power switch driver circuit having cross-coupled buffer circuits
US6538479B2 · kind B2 · utility
7Cited by
10References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2001 |
| Grant date | Mar 25, 2003 |
| Priority date | — |
| Expiry date | Aug 28, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/6871
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A driver circuit drives at least one power switch, which circuit comprises a final stage including a complementary pair of power transistors connected to said switch at a common output node. Advantageously, this circuit comprises a respective power-on buffer stage, connected in upstream of each of the power transistors, and a power-on detector associated with each power transistor, the detector associated with one of the power transistors being connected to the buffer stage of the complementary one of the transistors to prevent the power transistors from being turned on simultaneously.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.