| 基于脉宽调制器SG3525的一种新型车载电源设计 |
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| 引用本文： | 李国彬,.基于脉宽调制器SG3525的一种新型车载电源设计[J].电子器件,2007,30(2):484-486. |
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| 作者姓名： | 李国彬 |
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| 作者单位： | 辽宁工程技术大学职业技术学院,辽宁,阜新,123000 |
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| 摘 要： | 介绍了一种新型的基于脉宽调制器SG3525芯片的车载电源的设计.给出了车载电源设计的系统结构图,并分析了其中主要部分的功能.脉宽调制器SG3525具有欠压锁定、系统故障关闭、软起动、延时PWM驱动等功能,因而得到广泛应用.该电源利用脉宽调制器芯片SG3525产生正弦脉宽调制信号,实现了由直流12V到交流220V/50Hz的转换.
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| 关 键 词： | 车载电源 脉宽调制器 逆变器 |
| 文章编号： | 1005-9490(2007)02-0484-03 |
| 修稿时间： | 2006年4月7日 |
Design for a New Type of Automotive Power Supply Based on SG3525 |
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| LI Guo-bin.Design for a New Type of Automotive Power Supply Based on SG3525[J].Journal of Electron Devices,2007,30(2):484-486. |
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| Authors: | LI Guo-bin |
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| Affiliation: | Vocational College of Liaoning Technical University,Fuxin Liaoning 123000,China |
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| Abstract: | It introduces a method of how to design a new type of the automotive power supply based on the pulse width modulator SG3525.The framework of the electrical circuit of the automotive power supply is presented and the most of its functions are analyzed.The pulse width modulator SG3525 has been used in various areas for its functions such as locking for the lack of pressure,closing system fault,soft starting,delaying PWM drive and so on.The device introduced can transform 12 V DC into 220 V/50 Hz AC by making use of sine pulse width modulating signals produced by the SG3525. |
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| Keywords: | automotive power supply pulse width modulator inverter |
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