Patent ID: 9543841
Date: 2017-01-10
CPC Classifications: H02M,H03K

Claim:
1. A control device comprising: a first input terminal; a second input terminal; a first transistor connected to the second input terminal and provided with a gate intended to receive control signals originating from a control unit; a second transistor connected to the first input terminal and provided with a floating control gate, the first transistor and the second transistor connected in series between the first input terminal and the second input terminal; and a control assembly connected between the gate of the second transistor and the second input terminal and comprising a voltage source and a voltage clamping/routing device connected to the voltage source, the voltage source directly connected to a source of the first transistor, wherein the voltage clamping/routing device comprises a Zener diode connected in parallel with a capacitor, a first end of the Zener diode and a first end of the capacitor are connected to the gate of the second transistor and are not connected to the voltage source, and a second end of the Zener diode and a second end of the capacitor are connected to the voltage source.