摘要本设计以NCP1207为控制核心，主要由电源电压、精确基准电压产生电路以及开关控制电路组成开关电源充电器。该课题涵盖了锂离子电池有关充电、异常处理以及其保护机制等一般充电器所需要的基本功能。同时，就锂离子电池的充电原理、充电方法与其参数特性以及该充电器的设计理念和系统结构，本文均进行了详尽的介绍。结果表明该锂离子电池具有能被广泛应用于室内外单节锂离子电池充电的特点，比如手机、数码产品电池等，因此快速、安全充电功能为该电路的最大优点。 64500

毕业论文关键词 : 锂离子电池，充电器，硬件电路

毕业设计说明书（论文）外文摘要

Title     Based on the simulation of switch power supply           

Abstract This design  is  in order to NCP1207 as the control core, mainly by the power supply voltage, accurate the reference voltage generating circuit as well as switch control circuit for the system composed of. The subject covers the lithium-ion battery For details on charging, exception handling as well as its protection mechanisms and other general charger the required's basic functions. Meanwhile, on the lithium-ion battery charging principle, charging methods with its parameter characteristics as well as The charger is of the design concept and system architecture, this article were carried out a detailed introduction. Results show that the lithium--ion battery has the can be widely used in indoor and and outdoor single Festival lithium-ion battery charging the characteristics of, such as mobile phones, digital products batteries, etc. Therefore fast, secure charge function for that the circuit's maximum advantages of.

Keywords  Lithium-ion battery, charger, the hardware circuit 

第一章 绪论 1

1.1 课题的背景及研究目的 1

1.2 论文的构成及研究 1

第二章 锂电池充电器的介绍及系统设计框架 3

2.1 锂离子电池的介绍 3

2.1.1 锂离子电池的发展 3

2.1.2 锂电池的工作原理及结构 3

2.1.3 锂电池充电器的充电特性 5

2.2 锂电池充电方法 6

2.2.1 恒流充电(CC)恒压充电（CV）恒流恒压充电（CC/CV） 6

2.2.2 脉冲充电 8

第三章 锂电池充电器的设计 9

3.1 系统设计框架 9

3.2 核心芯片NCP1207 9

3.2.1 NCP1207简介 9

3.2.2 器件特性 10

3.2.3 典型应用电路 10

3.2.4 内部结构 11

3.3开关电源 12

3.3.1 开关电源设计 12

3.3.2 开关电源频域分析 14

3.4 电路介绍 16

3.4.1 交直流变换电路 16

3.4.2 NCP1207主电路 16

3.4.3 输出电路 18

3.4.4 反馈电压网络 18

3.4.5反馈电流网络 19