Long -life drive circuit of LED light cluster

The utility model relates to a LED drive circuit technical field especially relates to a long -life drive circuit of LED light cluster, and it includes DC power, LLC converter, resonance network and current -sharing circuit, the current -sharing circuit output blocking capacitance that connects in parallel, it is parallelly connected with blocking capacitance to wait to drive LED lamp cluster both ends, the LLC converter includes bridge part under the bridge subtotal, and going up under the bridge subtotal bridge part, to establish ties the back parallelly connected with the DC power, the resonance network includes resonance network and lower resonance network, goes up resonance network output end and connects transformer T1, and lower resonance network output end connection transformer T2, current -sharing circuit is connected to transformer T1 and transformer T2 output, can effectively realize respectively organizing LED lamp cluster and flow equalize, improve its reliability, extension chip life. The utili