Actuating system of gaN power device

The utility model relates to an actuating system of gaN power device, mainly including control circuit 1, resonance circuit and harmless snubber circuit 3, resonance circuit is also including openingresonance circuit 2 and turn -offing resonance circuit 4, through the charge and discharge circuit of two upper and lower differences for this drive circuit has the asymmetrical output capability of providing. Utilize the resonance principle to turn -off the in -process at the switch tube and pass through L and will save energy feedback in C and to the power in, make the energy effectively utilized, add the rising velocity that harmless snubber circuit slows down voltage simultaneously, protected the gaN power device to a certain extent, solved gaN power device driving circuit's high loss problem. 本实用新型涉及种GaN功率器件的驱动系统，主要包括有控制电路1、谐振电路以及无损缓冲电路3，谐振电路还包括开通谐振电路2和关断谐振电路4，通过上下两条不同的充放电回路，使得此驱动电路具有提供不对称的输出能力。利用谐振原理在开关管关断过程中通过L将存储在C中的能量反馈到电源中，使能量得到有效利用，同时加入无损缓冲电路来减缓电压的上升速度，在定程度上保护了GaN功率器件，解决了GaN功率器件驱动电路的高损耗问题。