| 汽车行驶记录仪的电源选择与设计 |
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| 引用本文： | 王沛禹,高松.汽车行驶记录仪的电源选择与设计[J].科学之友,2011(8). |
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| 作者姓名： | 王沛禹 高松 |
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| 作者单位： | 山东理工大学交通与车辆工程学院;日照职业技术学院现代汽车学院; |
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| 摘 要： | 为了保证行驶记录仪稳定可靠工作,需要对其供电电源进行特别设计,以保证输出电源为+5 V和+3.3 V恒压。文章从分析影响车载电源供电质量的因素入手,与线性电源作比较,选择了开关电源供电模式,采用LM2576电源模块,考虑电源反接和过压因素,设计了汽车行驶记录仪的电源。
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| 关 键 词： | 汽车行驶记录仪 电源 LM2576 |
The Power Supply Selection and Design of Vehicle Traveling Data Recorder |
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| Wang Peiyu,Gao Song.The Power Supply Selection and Design of Vehicle Traveling Data Recorder[J].Friend of Science Amateurs,2011(8). |
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| Authors: | Wang Peiyu Gao Song |
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| Institution: | Wang Peiyu,Gao Song |
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| Abstract: | In order to ensure the stable and reliable drive of traveling data recorder,it is necessary to be specially design the power supply to ensure that the output of power supply is +5 V and +3.3 V constant voltage.The article starts from analyzing the factors that affect the power supply quality which vehicle carries provide,compared with the linear power supply,selects the mode of switching power supply,adopts the LM2576 power supply module,considering power supply reverse polarity and overvoltage factors,desi... |
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| Keywords: | vehicle traveling data recorder power supply LM2576 |
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