无创脉搏波测量应用中的芯片电压管理系统

摘要

Objective:A chip voltage conversion system based on a star topology is raised in this paper, to manage the power of the pulse wave measuring circuit board. Methods:This system completes a series of input-output voltage conversion by means of setting an intermediate voltage, it is a voltage conversion node. Results:The system can achieve the conversion from a variety of day-to-day supply voltage to the pulse wave measurement chip voltage, and simplifies the design of the power management circuitry to a certain extent. Conclusion:Input-output voltage includes the common living power voltage as well as chip operating voltage, so that the system can have good portability.%目的：提出一种基于星形拓扑结构的芯片电压转换系统，以解决脉搏波测量电路板电源难于管理的问题。方法：通过采用对芯片电压管理系统设置中间电压的方式，即设置电压转换节点，并由该节点完成一系列的输入、输出电压转换。结果：该系统可以实现多种日常供电电压向脉搏波测量中常用的芯片电压的转换，并在一定程度上简化了相关电源管理电路的设计。结论：转换电压涉及常用的生活用电电压以及芯片工作电压，该系统具有较好的移植性。