设计了一种恒流二极管分压的悬浮脉冲单臂桥驱动器。先介绍了悬浮脉冲驱动模块电路结构和工作原理,以及恒流模块中恒流二极管的特性、恒流二极管串联均压计算方法;再利用该原理设计了验证电路,并应用在半桥式拓扑结构的开关电源中。验证电路的测试结果表明:恒流二极管分压的悬浮脉冲单臂桥驱动器的性能完全满足设计要求,值得推广。 A floating-pulse single-arm bridge driver with constant current diode voltage divider was designed. Firstly, the circuit structure and working principle of floating pulse drive module, the characteristics of constant current diode in constant current module and the method of constant current diode series voltage equalization are introduced firstly. Then the verification circuit is designed and applied in half-bridge topology In the switching power supply. The test results of the verification circuit show that the performance of the floating-pulse single-arm bridge driver with constant-current diode voltage divider completely meets the design requirements and is worthy of promotion.