基于I2C串行总线的大功率开关电源数字控制

摘要

介绍I2C串行总线的基本原理与数据传送格式和具有I2C串行总线接口的数rn控电位器，并据此提出一种抗电磁干扰性能优良的多数字电位器模拟接口控制方rn案,它具有电路简单可靠、 功能完善灵活的特点，适用于微机控制的大功率开关rn电源的模拟量接口设计．rn控电位器，并据此提出一种抗电磁干扰性能优良的多数字电位器模拟接口控制方rn案,它具有电路简单可靠、 功能完善灵活的特点，适用于微机控制的大功率开关rn电源的模拟量接口设计．%The fundamental theory and the data transfer format of interrn IC serial bus is introduced.Then an effective micro-computer controllrned methodology is presented via the construction of a multi-digital porntentiometer platform that is capable of anti-interference.This composirntion scheme enjoys good stability ,simple structure and powerful functrnion.Thereby it is suitable for the design of computer controlled analorngue quantity interface of switch-mode high-power supply.rnrn IC serial bus is introduced.Then an effective micro-computer controllrned methodology is presented via the construction of a multi-digital porntentiometer platform that is capable of anti-interference.This composirntion scheme enjoys good stability ,simple structure and powerful functrnion.Thereby it is suitable for the design of computer controlled analorngue quantity interface of switch-mode high-power supply.