Current sense apparatus and method
US10962574B2 · kind B2 · utility
1Cited by
2References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 2019 |
| Grant date | Mar 30, 2021 |
| Priority date | — |
| Expiry date | Jun 17, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2200/462
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An apparatus includes a power switch configured to conduct a dc or ac current, a sense switch having a first drain/source terminal and a gate connected to a first drain/source terminal and a gate of the power switch respectively, an amplifier having a first input coupled to a second drain/source terminal of the power switch and a second input coupled to a second drain/source terminal of the sense switch and a first current sense processing switch having a gate connected to an output of the amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.