基于LP2951单键开关机电源电路设计  

Design of One-touch On-off Power Source Based on LP2951

作　　者：赵鹏涛[1] 刘岩[1] 王剑[2] 

机构地区：[1]第二炮兵工程学院电工电子技术教研室,陕西西安710025 [2]中国空间技术研究院503所,北京100086

出　　处：《电子科技》2011年第11期45-46,共2页Electronic Science and Technology

摘　　要：电池供电是便携式智能仪器常见的供电方式,文中设计了一种基于LP2951具有单键开关机功能的电源电路。介绍了电源芯片、电路结构、开关机工作原理,通过实验表明,该电源电路具有结构简单、使用方便可靠的特点,具有通用性。Battery-powered supply is a common power supply in the portable smart devices.This paper presents a power circuit of one-touch and on-off based on LP2951.It described in detail the power chips,circuit scheme and on-off working principle.Experiments show that the power supply circuit has the advantages of simple structure,easy use,reliability and versatility.

关 键 词：LP2951 便携仪器 电池供电 电源芯片 

分 类 号：TN86[电子电信—信息与通信工程] TP331.2[自动化与计算机技术—计算机系统结构]