MAX16992EVKIT

评估MAX16990MAX16992


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说明

MAX16990/MAX16992评估板(EV kits)是完全组装并经过测试的PCB,板上带有16W DC-DC转换器,在汽车应用中用于前端预升压。器件集成了低边FET驱动器以及电流模式控制环路电路,用于输出电压调节,该器件理想用于汽车升压或SEPIC转换器。在默认配置中,MAX16990集成驱动器开关频率为400KHz,MAX16992集成驱动器开关频率为2.2MHz。MAX16990可同步至100KHz至1MHz范围的外部时钟源,MAX16992可同步至1MHz至2.5MHz范围的外部时钟源。

评估板可采用4.5V (自举模式下为3V)至36V DC电源工作。评估板能够承受42V抛负载的持续时间高达400ms。评估板演示了器件的特性,例如,动态调整输出电压、外部时钟同步、可配置两相工作、逐周期电流限制、打嗝模式以及热关断。升压转换器稳压为8V,可提供高达2A电流。评估板带有外部p-MOSFET (P1),在故障条件下可将升压输出与负载断开。评估板还演示了汽车应用中的MAX16990参考设计。

关键特性

  • 输入电压范围:4.5V (自举模式为3V)至36V
  • 8V时具有高达2A输出
  • 演示外部时钟同步
  • 演示SUP UVLO
  • 演示逐周期电流限制以及打嗝模式
  • 热关断保护
  • PGOOD指示
  • 演示动态调整输出
  • 可切换输出选择
  • 演示两相工作
  • 经过验证的PCB布局以及热管理设计
  • 完全组装并经过测试

应用

  • 车载音频/导航系统
  • 车载LED照明
  • 仪表盘
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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