Driving circuit and converter

The utility model provides a drive circuit comprising a drive push-pull circuit which comprises a first power supply end, an output node, a second power supply end and a drive control end and is used for controlling the output voltage of the output node to be the voltage of the first power supply end or the second power supply end according to the control signal of the drive control end; the driving resistor is used for controlling the grid voltage of a target transistor according to the output voltage of the output node, and the target transistor is an upper bridge arm transistor or a lower bridge arm transistor; and the negative voltage suppression circuit is used for determining whether the grid voltage of the target transistor is clamped to be the same as the source voltage of the target transistor or not according to the voltage difference between the first power supply end and the output node. The problem of accelerated degradation or damage of a gate insulation layer caused by overlarge negative voltag