基于PWM/PFM的压电变压器驱动电路的设计与仿真  

Design and Simulation of A Driving Circuit of Piezoelectric Transformer Based on PWM/PFM Control IC

作　　者：杨桁[1] 吕文中[1] 汪小红[1] 范桂芬[1] 

机构地区：[1]华中科技大学电子科学与技术系,武汉430074

出　　处：《计算机与数字工程》2006年第4期146-148,共3页Computer & Digital Engineering

摘　　要：利用PWM/PFM控制IC组成驱动电路来驱动压电变压器,给出了驱动电路的原理图,对电路工作原理做了详细的分析,并用仿真软件HSPICE对电路进行仿真,仿真结果证明该电路能满足驱动压电变压器的要求。This paper introduces a driving circuit of piezoclcctric transformer based on PWM/PFM control IC. The diagram of the driving circuit is shown, and the fundamental principle of it is analyzed. Then it simulates the circuit using HSPICE, the results verify that this driving circuit is able to be used to drive piezoelectric transformer.

关 键 词：压电变压器 脉宽调制(PWM) 脉频调制(PFM) HSPICE 

分 类 号：TP331[自动化与计算机技术—计算机系统结构]