Adaptive blanking of over current fault detection circuits in power conversion gate drivers
US11150300B2 · kind B2 · utility
0Cited by
9References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2019 |
| Grant date | Oct 19, 2021 |
| Priority date | — |
| Expiry date | Mar 20, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M1/32
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An electronic circuit comprises a power switch circuit and a fault detection circuit. The power switch circuit includes a transistor. The fault detection circuit includes a first comparator circuit configured to compare a monitored voltage of the transistor to a detection threshold voltage and produce an indication of a circuit fault according to the comparing, and a delay circuit configured to delay the comparing by the first comparator circuit according to slew rate of the monitored voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.