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                您的位置 首页 >> 技术资料 >> CN3717:PWM降压模式铅酸电池充电管理集成电路
              CN3717:PWM降压模式铅酸电池充电管理集成电路

              作者东森微电子  转载自  发布日期2019/2/19

              CN3717 是 PWM 降压模式铅酸电池充电管理集成电路独立对铅酸电池充电进行自动管理具有封?#24052;?#24418;小外围元器件少和使用简单等优点
              CN3717 具有涓流恒流过充电和浮充电模式非常适合铅酸电池的充电在过充电和浮充电模式充电电压由外部电阻分压网络设置在恒流充电模式充电电流通过一个外部电阻设置在开始充电时如果电池电压低于所设置的过充电电压的75.6%时CN3717用所设置的恒流充电电流的19%对电池进行涓流充电在过充电阶段充电电流逐渐减小当充电电流降低到外部电阻所设置的值时CN3717进入浮充电状态在浮充电状态如果电池电压下降到所设置的过充电电压的82.2%时自动开始新的充电周期当输入电源掉电或者输入电压低于电池电压时CN3717自动进入低功耗的睡眠模式其它功能包括输入低电压锁存电池温度监测电池端过压保护和充电状态指示等
              CN3717 采用 16 管脚 TSSOP 封装
              应用:
              * 铅酸电池充电
              * 不间断电源
              * 备用电池应用
              * 便携式工业和医疗仪器
              * 独立电池充电器
              特点:
              * 宽输入电压范围7.5V 到 28V
              * 对铅酸电池进?#22411;?#25972;的充电管理
              * 过充电和浮充电电压由外部电阻
              分压网络设置
              * 充电电流达 5A
              * PWM 开关频率300KHz
              * 恒流充电电流由外部电阻设置
              * 对深度放电的电池进行涓流充电
              * 过充点结束电流由外部电阻设置
              * 电池温度监测功能
              * 自动再充电功能
              * 双状态指示
              * 软启动功能
              * 电池端过压保护
              * 工作环境温度?#28023;?0 到 85
              * 采用 16 管脚 TSSOP 封装
              * 产品无铅无卤素元素满足 RoHS



              元件分类导航
               集成电路代理商 集成电路
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               MOS场效应管代理商 MOS管|IGBT|模块
               可控硅代理商 可控硅
               光耦代理商 光电耦合器
               二极管代理商 二极管
               三极管代理商 三极管
               整流桥堆代理商 桥式整流器
               贴片电容代理商 贴片电容
               贴片电阻代理商 贴片电阻
               传感器HIH4000-003 传感器
               MICROCHIP代理商 Microchip单片机
               ST意法代理商 ST意法半导体
               NCEmos管 NCE MOS管专区
               XLSEMI代理商 LED驱动芯片XL专区
               SILAN士兰代理商 SILAN士兰
               ST先科代理商 ST先科二极管三极管
               长电代理商 长电CJ二极管三极管
               UTC代理商 UTC系列
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