MAX14588

高精度、可调节1A过流/过压保护器

业内集成度最高的电流限制与过压保护方案,电压可达40V至1A


点击查看特定型号的库存状况。

说明

MAX14588为可调节过压、过流保护器,理想用于系统保护,可承受高达±40V的正、负输入电压,内置190mΩ (典型值) RON开关FET。

器件的过压调节保护范围为:6V至36V,欠压调节保护范围为:4.5V至24V。过压锁定(OVLO)和欠压锁定(UVLO)门限可通过外部电阻设置。工厂预设内部OVLO门限为33V (典型值),预设内部UVLO门限为19V (典型值)。

MAX14588还具有高达1A的可编程限流保护功能。发生过流事件时,器件的故障响应可设置为自动重试、闭锁或连续限流。电流达到门限值时,如果器件设置为自动重试模式,MAX14588即在21ms (典型值)屏蔽时间后关断,并在重试周期内保持关断状态;如果设置为锁定模式,器件则在屏蔽时间后闭锁;如果设置为连续响应模式,器件则连续保持限流状态。MAX14588还具有反向电流保护和热关断保护。

MAX14588采用小尺寸、16引脚(3mm x 3mm) TQFN封装,工作在-40°C至+125°C扩展级温度范围。

MAX14588: Functional Diagram MAX14588: Functional Diagram 放大+

关键特性

  • 可靠的工业电源保护
    • 宽输入电压范围:+4.5V至+36V
    • 可承受低至-36V的负向电压
    • 低RON:190mΩ (典型值)
    • 反向电流控制输入
    • 热过载保护
    • -40°C至+125°C扩展级温度范围
  • 灵活的设计选择
    • 可调节OVLO和UVLO门限
    • 可编程反向限流:0.15A至1A
    • 可编程过流故障响应:自动重试、闭锁和连续限流
    • 双使能输入:EN和高压极低HVEN
  • 节省空间
    • 16引脚、3mm x 3mm、TQFN封装

应用

  • 状态监测
  • 工厂传感器
  • 过程分析
  • 过程检测仪表
  • 传感器系统
  • 称重与计量系统

MAX14588EVKIT: 评估MAX14588

技术资料

产品手册 6362 Powering the Pocket IO PLC Development Platform
产品可靠性报告: MAX14588.pdf 
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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类型 编号 标题
产品手册 6362 Powering the Pocket IO PLC Development Platform
类型 编号 标题
评估板8135MAX14588EVKIT 评估MAX14588