Gate driving circuit
US6903597B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 15, 2004 |
| Grant date | Jun 7, 2005 |
| Priority date | — |
| Expiry date | Jan 15, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/0828
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An object of the present invention is to provide a simple and easily adjustable gate driving circuit for an active gate drive. As a configuration for this, a gate driving circuit includes a delay control signal creation unit configured to create a delay control signal having a certain delay time with respect to a control signal given from a superior control device, a reference signal creation unit configured to create a voltage reference signal by waveform-shaping of the delay control signal, a voltage detector configured to detect a voltage between electrodes of a voltage-driven type switching element and output a principal voltage detection signal, and a comparator configured to compare the principal voltage detection signal with the voltage reference signal and output a comparison result signal which controls a current source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.