基于FPGA的数字控制DC/DC研究

Research on the Implementation of the Digital controlled DC-DC Converter on FPGA

与DSP器件相比,现场可编程门阵列(Field Programmable Gate Array,简称FPGA)能够实现性能更优的数字控制DC/DC变换器。基于FPGA开发平台,研究了数字化DC/DC变换器的实现方法,介绍了电压模式数字控制器各功能模块及系统的状态机实现。实验系统的测试结果表明,采用FPGA实现数字DC/DC具有较好的性能,具体性能指标完全可以满足要求。

The field programmable gate array（FPGA） can realize a more optimized digital controller in DC-DC converters when compares to DSPs.Based on the FPGA platform,the methods to implementation the digital DC-DC converters is researched.The function module and state machine of digital DC-DC controller are introduced.The experimental system is set up which shows the digital DC-DC convertes based on FPGA have the advanced characteristics, and the performance can satisfy the requirment totally.