Gate charge recovery circuit for gate-driven semiconductor devic

Details Gate charge recovery circuit for gate-driven semiconductor devic Gate charge recovery circuit for gate-driven semiconductor devic

1993-03-12

1994-03-29

Wambach, Margaret R.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307520, 307543, 307573, 328167, H03K 1756

Patent

active

052987973

ABSTRACT:
A gate charge recovery circuit prevents generation of the voltage spike that would otherwise appear across the sense resistor that is employed to detect the current flowing through the switched terminal of a gate-driven semiconductor device when the device is turned on. The gate charge recovery circuit comprises the combination of a capacitor connected between the reference terminal of the semiconductor device and the positive terminal of a driver and a filter resistor connected between the positive terminal of the driver and the positive terminal of a voltage source.

REFERENCES:
patent: 4215280 (1980-07-01), Mahig
patent: 5021747 (1991-06-01), Isham et al.

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