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RTQ2081 是一款专为汽车雷达应用设计的高度集成电源管理 IC。其内置三路降压转换器、一路高电源抑制比低压差稳压器及一路通用型低压差稳压器。高压降压转换器支持最高 24V 输入电压范围，并可承受最高 36V 的 Load Dump 事件，因此可直接连接至 12V 汽车电池。RTQ2081 为各通道集成过压与欠压监测电路、错误输出指示功能以及通过 I²C 接口的故障状态报告功能，以提升系统功能安全性。此外，器件内置看门狗定时器（WDT），并支持可配置的上限与下限窗口容差，以增强系统监控能力及应用灵活性。通过 I²C 或出厂预设设置，还可实现多项可编程功能，包括各通道输出电压调节、自定义上电时序、过压（OV）与欠压（UV）监测阈值设置，以及看门狗超时时间配置。RTQ2081 采用具有可焊侧边的 WET-WQFN 4mm × 4mm 24-pin 封装。建议结温范围为 -40°C 至 150°C，环境温度范围为 -40°C 至 125°C。
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