中文摘要：

分析了数字控制相比于模拟控制对系统整体性能所具有的优点,介绍了移相全桥DC/DC变换器PWM信号所具有的特点,提出了以XMC4500为基础的数字控制方案的硬件设计和双闭环控制流程并介绍了数字控制的具体实现过程。样机试验结果验证了数字化控制的可行性。

英文摘要：

It analyzed the advantages of digital control through comparing with analog control, introduced the features of PWM signals of phase-shift full-bridge ZVS DC/DC converter, put forward the hardware design as well as fl ow of double closed-loops control for digital control scheme based on XMC4500 and introduced the concrete operating process of digital control. Prototype test results prove the feasibility of the digital control.