Power tube driving control circuit suitable for solid-state power controller

The invention discloses a power tube driving control circuit suitable for a solid-state power controller. The power tube driving control circuit comprises a switch-on/off circuit, a driving protection circuit, a transient suppression circuit, a slow switch-on circuit, a current sampling circuit, a f...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZHOU XINSHUN, LI HUIYAO, ZHANG BAILIN, GUO KUN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The invention discloses a power tube driving control circuit suitable for a solid-state power controller. The power tube driving control circuit comprises a switch-on/off circuit, a driving protection circuit, a transient suppression circuit, a slow switch-on circuit, a current sampling circuit, a freewheeling diode D2 and an MOS (Metal Oxide Semiconductor) transistor M1. Through adoption of the power tube driving control circuit, wrong switch-on/off actions of the MOS transistor M1 caused by a wrong power-on sequence can be avoided, and the problems of poor capacitive load capacity, high dependence on a parasitic parameter, failure in normal startup due to large transient current, and the like in an existing solid-state power controller are solved.