Semiconductor device driving unit and method
US8749278B2 · kind B2 · utility
2Cited by
8References
7Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 5, 2011 |
| Grant date | Jun 10, 2014 |
| Priority date | — |
| Expiry date | Jun 23, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M1/44
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A turn-off feedback unit (23OFF) of a semiconductor device driving unit generates a feedback voltage as part of a voltage of a drive signal for establishing electrical continuity or disconnection in a bus according to a temporal variation of a collector current of a first semiconductor device (11U) when the first semiconductor device (11U) is turned off from on. A turn-on feedback unit (23ON) generates the feedback voltage according to a commutation current flowing through a free wheeling diode (12D) connected to a second semiconductor device (11D) when the first semiconductor device (11U) is turned on from off.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.