Drive circuit
US6885225B2 · kind B2 · utility
34Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 2002 |
| Grant date | Apr 26, 2005 |
| Priority date | — |
| Expiry date | Jan 4, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/6871
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A drive circuit includes a totem-pole output stage including a top arm and a bottom arm, a pre-drive circuit including a top arm driver and a bottom arm driver, and a power supply voltage boosting power supply circuit. The boosting power supply circuit includes a top arm driver boosting power supply circuit that boosts the top arm and a bottom arm driver boosting power supply circuit that boosts the power supply voltage and outputs a boosted voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.