MAX38888EVKIT

MAX38888 评估板


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说明

MAX38888评估板(EV kit)评估MAX38888 IC。MAX38888为超级电容备份调节器,设计用于在超级电容和系统电源轨之间传输电源。当有主电池且主电池高于最低系统电源电压时,调节器对超级电容进行充电,充电电流高达500mA。超级电容充满电之后,电路仅吸收2.5μA电流,使超级电容保持在就绪状态。主电池移除后,调节器可防止系统下降到最低工作电压以下,以高达2.5A的电流对超级电容进行放电。MAX38888可通过外部设置超级电容最小和最大电压、最低系统电压、最大充电和放电电流。内部DC/DC转换器仅需要1μH电感。

MAX38888EVKIT: Board Photo MAX38888EVKIT: Board Photo 放大+

关键特性

  • 2.99V至3.36V系统输出电压范围
  • 1.42V至2.71V超级电容电压范围
  • 2.5A峰值放电电流
  • 电压和电流门限可通过电阻配置
  • 经过验证的2层2oz铜PCB布局
  • 演示结构紧凑的方案尺寸
  • 完全装配并经过测试

应用

  • 手持式工业设备
  • 便携式计算机
  • 具有可拆卸电池的便携式设备
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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