WMSIC Electronic Components

ADI/LINEAR MAX706RESA+T MAX706RESA

ModelMAX706RESA+T
PackageSOIC-8
BrandADI/LINEAR
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ADI(Analog Devices) / LINEAR MAX706RESA+T
Type
ADI/LINEAR
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
MAX706RESA+T
Electronic Component
1
Package
SOIC-8
Electronic Component
Supervisorand positions IC
Electronic Component
0.219g
Electronic Component
1
Features
positions; Gate
Electronic Component
BM0264685444
Reset
200ms
Operating Temperature
40℃~+85℃@(TA)
Operating Voltage
2.7V~5.5V
ICType
Voltage Supervisor
Output Type
Electronic Component
Voltage
2.63V

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

MAX706RESA+T 电压监控器产品概述

MAX706RESA+T是ADI(亚德诺)旗下LINEAR品牌推出的低成本全功能电压监控器,专为微处理器(MCU/MPU)、嵌入式系统及工业控制单元设计,集成电压异常监控、手动复位、看门狗定时器三大核心功能,可有效解决系统电源不稳定、程序跑飞等关键问题,适配-40℃~+85℃工业级温度范围,是低功耗、高可靠性应用场景的优选器件。

一、产品核心定位与设计目标

该器件针对中小规模嵌入式系统的电源可靠性与程序安全性需求优化:

  • 解决电源波动导致的系统误操作:当供电电压跌落至阈值以下时,主动触发复位,确保系统重启至安全状态;
  • 防止程序死循环/跑飞:集成看门狗定时器,若程序未按时“喂狗”则自动复位;
  • 降低系统BOM成本:单芯片集成三大功能,无需额外分立器件;
  • 适配宽温环境:支持工业级温度范围,满足户外、车载等恶劣工况需求。

二、关键性能参数解析

MAX706RESA+T的核心参数精准匹配主流嵌入式系统需求,关键指标如下:

参数 典型值/范围 说明 工作电压范围 2.7V~5.5V 兼容3V/5V供电,覆盖多数MCU电源 电压监控阈值 2.63V(±1.5%) 精准识别电源跌落,避免误触发/漏触发 复位超时时间 典型200ms 确保系统稳定重启,避免电源波动干扰 静态电流(Iq) 典型100μA 低功耗设计,适合电池供电系统 工作温度范围 -40℃~+85℃ 工业级宽温,适配户外、车载场景 输出类型 推挽输出 直接驱动MCU复位引脚,无需上拉/下拉 复位有效电平 低电平有效 符合多数MCU复位引脚电平要求 功能集成 电压监控+手动复位+看门狗 单芯片实现全防护,简化电路

三、核心功能模块详解

1. 电压异常监控模块

  • 工作逻辑:实时监测VCC供电,当电压低于2.63V(±1.5%精度)时触发复位;电压回升并稳定200ms后释放复位,系统正常启动;
  • 优势:阈值精准,避免电源轻微波动导致误复位,同时确保电源跌落时保护数据不丢失。

2. 手动复位(MR)功能

  • 设计:提供MR引脚,外接复位按钮即可手动触发复位;
  • 应用:系统调试快速重启、故障状态手动重置、用户交互场景(如设备重启按钮);
  • 注意:MR引脚需外接10kΩ下拉电阻防止误触发。

3. 看门狗定时器(WDT)

  • 工作逻辑:WDI引脚200ms内未接收“喂狗”脉冲(电平翻转)则触发复位;
  • 优势:超时时间稳定(无需外部电容/电阻调整),推挽输出可直接驱动MCU;
  • 应用:防止程序死循环、跑飞(如通信中断、逻辑错误导致的停滞)。

四、典型应用场景适配

MAX706RESA+T的特性使其适配多类场景:

  1. 工业控制:PLC模块、传感器节点(宽温适配户外工况,看门狗防程序异常);
  2. 嵌入式系统:智能电表、智能家居网关(低功耗适合电池/市电混合供电);
  3. 车载电子:导航、ADAS单元(宽温+抗干扰适配汽车环境);
  4. 消费电子:智能穿戴、便携式医疗仪器(小封装SOIC-8适合小型化设计);
  5. 通信设备:无线AP、路由器(电压监控防断网,看门狗提升稳定性)。

五、封装与可靠性设计

  • 封装:SOIC-8表面贴装,尺寸紧凑(6.0mm×4.9mm),适合小型化PCB;
  • 可靠性:
    • 符合RoHS标准,无铅环保;
    • 内置抗干扰滤波,降低电源噪声影响;
    • 推挽输出驱动能力强,可驱动多个MCU复位引脚;
  • ESD防护:满足人体模式(HBM)2kV防护,提升生产/使用抗静电能力。

六、选型优势对比

与同类产品对比,MAX706RESA+T核心优势:

  1. 功能集成:比仅电压监控的MAX809多看门狗+手动复位,适合程序可靠性要求高的场景;
  2. 成本更低:单芯片BOM成本比分立方案低30%以上;
  3. 参数稳定:复位超时为典型200ms(无需外部调整),阈值精度±1.5%(高于多数竞品±2%);
  4. 宽温适配:支持-40℃+85℃工业级温度,竞品多为商业级(0℃70℃)。

MAX706RESA+T以高性价比、全功能集成的特点,成为嵌入式系统电源与程序防护的实用选择,广泛应用于工业、车载、消费电子等领域。

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