MAX8900AEVKIT

MAX8900A和MAX8900B评估板


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说明

MAX8900A评估板(EV kit)是完全安装并经过测试的电路板,用于评估MAX8900A开关模式Li+/锂聚合物电池充电器,具有±22V输入额定电压和JEITA*电池温度监测。MAX8900A对单节锂离子(Li+)或锂聚合物(Li-Poly)电池充电。MAX8900A在3.4V至6.3V供电条件下,为电池提供1.2A的充电电流。通过外部电阻或电位器调节快充电流和预充、终止充电的电流门限。JEITA电池温度监测器能够调整充电电流和终止电压。

MAX8900A评估板安装了MAX8900A,也可以用来评估MAX8900B,只需替换U1处的IC。订购MAX8900A评估板时,可申请MAX8900B免费样品。

关键特性

  • 3.25MHz开关模式Li+/锂聚合物电池充电器
  • JEITA电池温度监测器调整充电电流和终止电压
    • 板上3380K NTC热敏电阻
    • 板上电位器便于评估
  • 电池快充电流门限的调节范围为50mA至1200mA
    • 使用评估板上的MOSFET和电阻阵列动态编程充电电流
    • 提供电位器调节
  • 可调节预充、终止充电电流门限,范围为10mA至200mA
    • 使用评估板上的MOSFET和电阻阵列动态编程充电电流
    • 提供电位器调节
  • 可选择充电电源连接器2.1mm Barrel或Micro-USB
  • 3个LED状态指示
  • 完全安装并经过测试

应用

  • 数码相机
  • eBook
  • GPS、PND
  • 耳机和媒体播放器
  • 智能电话
  • USB充电
型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C  

备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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