MAX20092EVSYS

MAX20092 评估板


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说明

MAX20092评估系统为矩阵LED调光器系统,具有MAX20092 12开关矩阵LED调光器IC。系统包括两片MAX20092 IC,每片控制一串12颗串联LED。可对各个LED进行独立控制或分组控制。用户可将LED打开或关断,可以使用或不使用渐变。两串各12颗串联LED的灯串由MAX20097驱动,该器件为双路buck控制器IC,电流为0.5A。双路buck控制器的电源由MAX16990产生,该器件为由外部12V电源供电的boost控制器IC。关于MAX20092 IC的详细操作信息,请参考MAX20092 IC数据手册。

关键特性

  • 工作电压输入范围:9V至16V
  • 独立或分组控制各个LED的导通、关断和PWM调光
  • 渐变或不渐变调光
  • 相移能力
  • 打开/关断LED时控制摆率
  • 指示各个LED的开路和短路
  • 可调节短路门限
  • 开路轨迹检测
  • 可调节PWM调光频率
  • 温度报警和热关断指示
  • 报告SPI错误的状态报告
  • 通过SPI接口实现独立、全局或分组写模式
  • 报告LED分组电阻(RGRADE)
  • 经过验证的PCB布局
  • 完全装配并经过测试

应用

  • 汽车前灯系统
  • 汽车矩阵照明系统
  • 汽车尾灯系统

工具和模型

  • MAX20092EVKIT ODB File
  • 申请可靠性报告: MAX20092EVSYS 
    型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

    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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