1、I 摘 要 随着科技的进步社会的发展，电器时代的到来带来了一系列新的机遇和新的挑战， 而在这场挑战中电源占着很重的比例。每一种电器都要电源来提供，电源的好坏在一定 程度上决定了很多产品的性能，模拟电源技术的发展促进了电源的发展，而在数字化时 代数控电源成为一大话题。 在各种拓扑结构中，本次设计采用 boost 结构，此结构主要能实现输出电压比输入电 压高，即实现电压的上升。所采用的控制芯片是德州仪器（TI）生产的 MSP430X149 通 过对 boost 主电路进行采样分析，然后产生 PWM 波控制开关管的开断，通过电感、电容 进行充放电来实现电压的上升。在软件中通过 PID 算法来对反馈进
2、行分析补偿校正，使 得输出稳定在一个较小的波动范围内， 通过 12864 液晶来显示当前输出电压和所需电压， 通过按键实现所需电压的升降并通过确定键来确定输出电压的大小。 关键词：PWM MSP430 PID BOOST 变换器 数控电源 论文类型：应用型 ABSTRACT With the development of society and science, the electrical era has brought a range of new opportunities and new challenges, and occupied for a heavy proportion o
3、f power in this challenge. Each type of electrical appliances must be power supply to provide the power is good or bad to a certain extent determines the performance of many products, analog power technology development to promote the development of the power, digitally controlled power in the digit
4、al age to become a major topic. In a variety of topologies, this design uses a boost structure, this structure can achieve high output voltage than input voltage, that is, the voltage rising. The control chip produced by Texas Instruments (TI) MSP430X149 through sampling and analysis, and then generate the PWM wave control switch for breaking the main circuit of boost inductors, capacitors charge and discharge voltage rising. To the feedback by the PID algorithm in the software to analyze the
