Global closed loop control system with DV/DT control and EMI/switching loss reduction
US7274241B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2006 |
| Grant date | Sep 25, 2007 |
| Priority date | — |
| Expiry date | Apr 5, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/168
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A gate driver for a power switch, comprising a gate drive circuit coupled to the gate of the power switch for at least one of turning on and turning off the power switch; a gate voltage control circuit in the gate drive circuit for controlling a voltage applied to the gate of the power switch during at least one of turning on and turning off the power switch; and a signal supplied to the gate voltage control circuit indicative of a voltage rate of change per unit time to be applied in at least one of turning on and turning off the power switch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.