基于FPGA的DC/DC数字PWM控制器研究

Research on a FPGA based Digital PWM Controller for DC/DC Converters

提出了一种采用现场可编程门阵列(Field Programmable Gate Array,简称FPGA)实现高开关频率高精度DC/DC数字PWM控制器的方案。介绍了以CycloneⅡ系列FPGA为数字控制器的数字PWM控制器各个部分的功能及其具体实现。以12V输入、1V输出Sync-Buck为主电路,实现了全数字、高精度、高开关频率的DC/DC开关电源。

A novel way of digital Pulse Width Modulation（PWM） controller with high-frequency and high precision based on Field Programmable Gate Array（FPGA） is described in this paper.The digital PWM controller is implemented on FPGA and the functions of digital PWM controller are analyzed.The digital controller implementation is proposed and the experiment verified on the prototype Sync-Buck 12V input 1V output VR.