开关电源可靠性设计与测试 安全 热管理 电磁兼容 下载 pdf 百度网盘 epub 免费 2025 电子书 mobi 在线

本书结合国内外开关电源的应用和发展现状，以开关电源可靠性设计为主线进行编写，突出实用性，全面系统地阐述了开关电源可靠性的新设计技术。全书共分为 6章，在简要介绍开关电源可靠性的定义、指标及设计原则的基础上，系统地讲述了开关电源安全设计、开关电源热设计、开关电源电路的电磁兼容性及设计、开关电源 PCB电磁兼容设计、开关电源可靠性测试等内容。本书题材新颖实用，内容丰富，深入浅出，具有很高的实用价值。　　

本书可供电信、信息、航天、军事及家电等领域从事开关电源可靠性设计的工程技术人员阅读，也可供高等院校、职业技术学院相关专业的师生阅读参考。

前言

第1章 概述········································································ 1 

1.1　开关电源可靠性 ·········································································· 

1 1.1.1　可靠性的定义及指标···························································· 

1 1.1.2　影响开关电源可靠性的因素 ··················································· 8 

1.2　开关电源可靠性设计 ·································································· 12 

1.2.1　开关电源可靠性设计原则及方法 ··········································· 12 

1.2.2　元器件降额使用································································ 17 

第2章 开关电源安全设计···················································· 25 

2.1　开关电源安全距离及安全器件选择················································· 25

2.1.1　安全距离与绝缘分类·························································· 25 

2.1.2　开关电源安全器件选择······················································· 27 

2.1.3　安规电容选择··································································· 36 

2.2　开关电源输入保护电路及滤波器···················································· 40 

2.2.1　开关电源输入保护电路······················································· 40 

2.2.2　开关电源滤波器································································ 48 

2.3　开关电源吸收电路 ····································································· 52 

2.3.1　吸收回路的作用及类型······················································· 52 

2.3.2　开关电源吸收电路设计······················································· 57 

第3章 开关电源热设计······················································ 65 

3.1　开关电源热设计目的及原则 ························································· 65 

3.1.1　开关电源环境温度及热设计目的 ··········································· 65 

3.1.2　开关电源热设计的原则······················································· 68 

3.2　开关电源转换效率及热设计层次···················································· 70 

3.2.1　开关电源转换效率及温度···················································· 70 

3.2.2　热设计层次及热设计功耗（TDP）·········································· 73 

3.3　开关电源表面贴装元器件热设计及金属芯 PCB ································· 76 

3.3.1　开关电源表面贴装元器件热设计 ··········································· 76 

3.3.2　金属芯 PCB ····································································· 80 

3.4　开关电源 PCB热设计 ································································· 84 

3.4.1　开关电源 PCB热量的来源及 PCB热设计的要求 ······················· 84 

3.4.2　开关电源 PCB热设计对元器件布局、布线的要求 ····················· 86 

3.4.3　开关电源 PCB热设计的具体措施·········································· 90 

3.5　开关电源热设计规则及散热器设计要点··········································· 92 

3.5.1　开关电源热设计规则及方法 ················································· 92 

3.5.2　开关电源散热器设计要点···················································· 95

第4章　开关电源电路的电磁兼容性及设计 ····························· 105 

4.1　开关电源的电磁干扰及传播方式··················································· 105 

4.1.1　开关电源中的电磁干扰源··················································· 105 

4.1.2　开关电源中电磁干扰分类及耦合通道 ···································· 113 

4.2　开关电源电磁干扰抑制技术 ························································ 120 

4.2.1　减小干扰源能量及抑制网侧高次谐波电流 ······························ 120 

4.2.2　抑制共模干扰及尖峰干扰技术 ············································· 123 

4.2.3　开关电源接地技术···························································· 129 

4.2.4　开关电源调制频率控制及无源补偿技术 ································· 132 

4.3　开关电源电路的电磁兼容及输入 /输出布线设计······························· 136 

4.3.1　开关电源电路的电磁兼容设计 ············································· 136 

4.3.2　开关电源输入 /输出布线设计·············································· 140

第5章　开关电源 PCB电磁兼容设计 ···································· 148 

5.1　开关电源 PCB电磁干扰抑制措施及地线设计··································· 148 

5.1.1　开关电源 PCB电磁干扰及抑制措施······································ 148 

5.1.2　开关电源 PCB地线设计····················································· 150 

5.2　开关电源 PCB布局布线设计 ······················································· 155 

5.2.1　开关电源 PCB布局设计····················································· 155 

5.2.2　开关电源 PCB布线设计····················································· 159 

5.3　开关电源 PCB电磁兼容设计要点 ················································· 167 

5.3.1　PCB中带状线、电线、电缆间的串音和电磁耦合 ····················· 167 

5.3.2　开关电源 PCB电流回路及电压节点设计要点 ·························· 172 

5.3.3　开关电源 PCB滤波电路布局及退耦电容配置要点 ···················· 175

第6章　开关电源可靠性测试 ··············································· 180 

6.1　开关电源电磁兼容性测试 ··························································· 180 

6.1.1　电磁兼容测试技术···························································· 180 

6.1.2　开关电源电磁兼容测试电路及波形 ······································· 187 

6.2　PCB质量评价及可靠性试验 ························································ 195 

6.2.1　PCB质量评价 ································································· 195 

6.2.2　PCB可靠性试验 ······························································ 198 

6.3　开关电源技术安规及可靠性测试方法············································· 203 

6.3.1　开关电源安规测试方法······················································ 203 

6.3.2　开关电源可靠性测试方法··················································· 210

参考文献······················································································· 226 

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编辑推荐

读者可以本书为“桥梁”，系统、全面地了解和掌握开关电源的设计和应用技术。

结合国内外开关电源技术的发展动向，系统地介绍了开关电源可靠性设计中应掌握的设计方法、设计原则。

本书在内容上将开关电源安全设计、开关电源热设计、开关电源电路的电磁兼容性及设计、开关电源PCB电磁兼容设计、开关电源可靠性测试融于一体，通俗易懂并结合实际。

拓展阅读，推荐同套系图书《开关电源工程化设计实战》《线性电源设计实例——原理剖析、制作调试、性能提升》。

前言

随着电子技术的快速发展，电子设备的应用领域越来越广泛，电子设备的种类也越来越多。而电子设备都离不开可靠的电源，电源性能的优劣直接关系到整个电子设备的安全性和可靠性。电子设备的小型化和低成本化使电源以轻、薄、小和高效率为主要发展方向，对电源的要求更加灵活多样。开关频率的持续提高使开关电源的性能进一步优化，集成度更高，功耗更低，电路更加简单，工作更加可靠。

目前，我国通信、信息、家电、国防等领域的电子设备普遍采用开关电源，以开关电源的开发、研制和生产为主的产业已成为发展前景十分诱人的朝阳产业。在全球倡导节能环保、提高能效的背景下，开关电源的设计正面临前所未有的挑战。为此，本书结合国内外开关电源技术的发展动向，系统地讲述了开关电源可靠性设计中应掌握的设计方法、设计原则等内容。本书在写作上将开关电源安全设计、开关电源热设计、开关电源电路的电磁兼容性及设计、开关电源 PCB电磁兼容设计、开关电源可靠性测试融为一体，力求做到通俗易懂和结合实际，使得从事开关电源可靠性设计的工程技术人员从中获益。作为从事开关电源可靠性设计的工程技术人员的参考书，读者可以以本书为“桥梁”，系统、全面地了解和掌握开关电源的设计和应用技术。

本书在写作过程中，在资料的收集和技术信息交流上得到了国内外专家学者、同行及开关电源制造商的大力支持，在此表示衷心的感谢。

由于作者水平有限，书中难免有错误和疏漏之处，敬请读者批评指正。

　作　者 　 　2019年 12月