节点文献
一种基于LTC4414多输入自动切换直流电源设计
Design of the DC Power Supply with Multi-input and Automatically Switch Based on LTC4414
【摘要】 该文讲述了一种基于LTC4414芯片直流稳压电源5V/1A设计原理。采用了微控制器作为主控器,主控器结合功率控制器件LTC4414组成控制电路来实现对输入电源的自动切换,控制电路还连接了以升降压开关稳压器LM2596构成的稳压电路和以电压检测芯片PT8A6102构成的保护电路。此电源具有输出稳定、体积小、成本低等优点。
【Abstract】 This paper describes the principle of a DC power supply of 5V/1A and the DC power supply is by the LTC4414.The DC power supply uses a microcontroller as the main controller.The main controller and the power control devices of LTC4414 consisting of a control circuit.The control circuit achieves the automatic switching of input power.The control circuit is also connected to the regulator circuit and the protection circuit.The regulator circuit is designed by Step-down switching regulator LM2596.The protection circuit is designed by voltage detection chip PT8A6102.The DC power supply has many advantages.Such as Output stability,small size,low cost and so on.
【Key words】 LTC4414; power supply; microcontroller; protection circuit; regulator circuit;
- 【文献出处】 电子质量 ,Electronics Quality , 编辑部邮箱 ,2017年07期
- 【分类号】TN86
- 【下载频次】67