Device and method for controlling switching
US11152934B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2017 |
| Grant date | Oct 19, 2021 |
| Priority date | — |
| Expiry date | Aug 28, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K2217/0027
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention concerns a device for controlling the switching of a first and a second power semiconductor switches providing current to a load in a half bridge configuration. The device comprises: means for obtaining a first current value through the first switch or the load just before the switching of the first switch from conducting to non-conducting state, means for limiting the current through the second switch during the switching of the second switch from non-conducting to conducting state using the obtained first current value, by modifying the gate signal of the second switch, means for obtaining a second current value through the second switch or the load just before the switching of the second switch from conducting to non-conducting state, means for limiting the current through the first switch during the switching of the first switch from non-conducting to conducting state using the obtained second current value by modifying the gate signal of the first switch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.