2A旅充产品规格书一、 前言本规格书描述USB充电器的电气特性及使用环境要求等方面的规格说明二、 产品特点1、本USB充电器连接后可对电池进行充电；2、恒压小电流充电模式，电池电压充满自动关断，将提高电池的使用寿命；3、全电压输入，全球适用三、电气参数1、输入：90-250V AC，50/60Hz 80mA；2、输出：5VDC 500MA，最大2A;3、空载功耗:0.2W MAX；4、充电满载功耗：5W MAX；5、电池充饱率： ≥90%四、环境条件1、使用环境：温度： 0-40℃ 湿度：≤95％；2、存储环境：温度: -25～+60℃ 湿度：≤85％；3、工作时本体温度：充电时壳体表面温度≤50℃，电池表面温度≤45℃五、安全规格符合安全标准六、可靠性能参数1.输入特性........................................................................31.1额定输入电压 .........................................................................................31.2输入电压范围...........................................................................................31.3输入频率 .................................................................................................31.4输入频率范围 .........................................................................................31.AC输入电流...............................................................................................3 1.6峰值输入电流...........................................................................................31.7效率......................................................................................................................... 32.输出特性.......................................................................32.1输出额定电压.......................................................................................... 32.2输出电压...................................................................................................32.3额定输出电流 .........................................................................................42.4额定功率...................................................................................................42.5 LED 指示功能)...................................................................................... 42.6充电器输出电压/电流特性图.......................... 2.7输出纹波、噪音...................................................................................... 42.8输出电流纹波、噪音. ........................................................................... 42.9启动延时.................................................................................................. 42.10关断时延.................................................................................................42.11过冲.........................................................................................................42.12电流倒灌 ...............................................................................................42.13保护.........................................................................................................42.13.1过压保护..............................................................................................42.13.2过流保护........................................................................ .............. ......42.13.3短路保护........................................................................ ......... ...........43.信赖性项目.............................................................43.1静电...........................................................................................................43.2高压测试...................................................................................................4 3.3绝缘电阻...................................................................................................43.4泄漏电流...................................................................................................4 3.5温升 .........................................................................................................43.6连续工作时间 .........................................................................................53.7平均无故障时间............................................................................... .......53.8 EMI标准..................................................................................................5.4.环境要求...............................................................54.1工作温度...................................................................................................54.2储藏温度 .................................................................................................54.3工作湿度...................................................................................................54.4储藏湿度 .................................................................................................55.机械要求................................................................5 5.1尺寸...........................................................................................................5 5.2重量...........................................................................................................55.3USB 接口类型.........................................................................................55.4跌落试验...................................................................................................55.5振动试验.........................................................................................。