基于开关电容网络的高增益升压变换器  

High gain step-up converter based on switch capacitor network

作　　者：陈磊[1] 潘庭龙[1] 

机构地区：[1]江南大学电气自动化研究所,江苏无锡214122

出　　处：《电子设计工程》2016年第17期173-177,共5页Electronic Design Engineering

基　　金：江苏省自然科学基金(BK2012550)

摘　　要：针对传统Boost变换器升压能力有限,而开关电容网络输出电压不可调问题,提出将开关电容网络与传统Boost电路相结合的方法。利用开关电容网络串联放电、并联充电以及传统Boost电路输出电压可调的特点,设计出一种新型基于开关电容网络的高增益升压变换器,并由此衍生一种实现分时供电的双输入升压变换器。详细分析两种新型变换器的工作原理,搭建仿真模型,并进行了实验研究。仿真分析与实验结果表明:两种变换器控制电路简单;新型高增益升压变换器升压能力强;双输入升压变换器可以实现分时供电,提高了元器件利用率。In existing traditional boost converters, the step-up capacity is limited, and the switch capacitor network output voltage is not adjustable. Therefore, according to the switch capacitor network working characteristics of discharging in series,charging in parallel and traditional boost converter working characteristics of adjusting output voltage, a high gain step-up converter is proposed in the paper, and its corresponding double-input boost converter which can realize time-sharing supply is deduced too. The working principles and performance of the two new types of converter are respectively given, and an experimental model is constructed. The Simulation analysis and experimental results indicates： the new high gain boost converter possesses powerful boosting ability; the control circuit of the two converter is simple; double-input boost converter can attain the implementation of power supply individually with high ratio of devices.

关 键 词：开关电容网络 升压变换器 高增益 双输入 元器件利用率 

分 类 号：TN712.3[电子电信—电路与系统]