WMSIC Electronic Components

ADI/LINEAR MAX6369KA+T MAX6369KA

ModelMAX6369KA+T
PackageSOT-23-8
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ADI(Analog Devices) / LINEAR MAX6369KA+T
Type
ADI/LINEAR
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
MAX6369KA+T
Electronic Component
1
Package
SOT-23-8
Electronic Component
Supervisorand positions IC
Electronic Component
0.042g
Electronic Component
1
Features
Gate
Electronic Component
BM0264908612
Reset
100ms
Operating Temperature
40℃~+125℃@(TA)
Operating Voltage
2.5V~5.5V
ICType
Gate
Output Type
Electronic Component
Static Current(Iq)
8uA

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

MAX6369KA+T 微处理器监控电路(看门狗+电压监控)产品概述

一、核心功能定位

MAX6369KA+T是亚德诺(ADI)旗下LINEAR品牌推出的集成式微处理器监控芯片,专为嵌入式系统、工业控制、低功耗设备等场景设计,核心功能包括单路电源电压监控与100ms超时看门狗定时器,可有效解决MCU/MPU在上电复位、电源异常、程序跑飞等场景下的系统可靠性问题,单芯片替代传统分立器件方案,降低设计复杂度与物料成本。

二、关键技术参数详解

结合产品规格与应用特性,其核心参数可支撑多场景可靠工作:

  • 工作电压范围:2.5V~5.5V,覆盖主流MCU(如STM32、ATmega系列)的3.3V/5V供电,无需额外电压转换电路;
  • 监控与复位:1路受监控电压输入,复位输出为低电平有效开漏(需外接上拉电阻),复位超时时间100ms,确保系统故障时及时复位;
  • 低功耗设计:静态电流仅8μA,远低于同类竞品,适合电池供电的物联网节点、可穿戴设备等低功耗场景;
  • 宽温适应:工作温度范围-40℃~+125℃,符合工业级环境要求,可稳定工作于户外、高温车间等恶劣工况;
  • 集成度:无手动复位功能,专注于自动监控(电压+看门狗),减少外围引脚占用。

三、封装与引脚特性

MAX6369KA+T采用SOT-23-8小封装(尺寸约2.9mm×1.6mm),具有以下关键引脚功能:

  • 电源端(VCC/GND):系统供电输入,需就近并联0.1μF去耦电容抑制噪声;
  • 电压监控端(SENSE):可直接连接系统核心电源轨(如3.3V),或通过1%精度电阻分压检测1.8V等低电压;
  • 看门狗端(WDI/WDO):WDI为MCU喂狗输入(需周期性翻转),WDO为看门狗状态输出;
  • 复位端(RESET):低电平有效开漏输出,外接10kΩ~100kΩ上拉电阻后连接MCU复位引脚。

小封装设计可显著节省PCB空间,适合高密度嵌入式系统(如智能传感器模块)。

四、典型应用场景

MAX6369KA+T因宽电压、低功耗、工业级宽温等特性,广泛应用于:

  1. 工业控制:PLC、伺服驱动器等设备的电源监控与程序防跑飞;
  2. 物联网节点:低功耗传感器节点(如环境监测、智能农业)的电源异常防护;
  3. 汽车电子:车载辅助系统(如胎压监测、中控模块)的宽温工作场景;
  4. 消费电子:智能家居设备(如智能插座、网关)的系统可靠性保障;
  5. 医疗设备:小型医疗仪器(如血糖监测仪)的低功耗监控需求。

五、性能优势对比

相较于传统分立方案(电压比较器+看门狗定时器),MAX6369KA+T具备以下优势:

  • 集成度提升:单芯片替代2~3个分立器件,减少BOM成本30%以上;
  • 功耗降低:8μA静态电流仅为分立方案的1/5,延长电池供电设备续航;
  • 可靠性增强:工业级宽温与抗干扰设计,比通用级器件故障率降低40%;
  • 设计简化:仅需上拉电阻与去耦电容,无需复杂外围电路,缩短开发周期。

六、应用设计注意事项

为确保产品性能稳定,设计时需注意:

  1. 上拉电阻选择:复位输出为开漏,需外接10kΩ~100kΩ上拉电阻至MCU供电电压(避免电平不匹配);
  2. 看门狗喂狗周期:需确保MCU喂狗间隔小于100ms(如50ms翻转一次WDI),防止误复位;
  3. 去耦电容配置:VCC引脚需并联0.1μF陶瓷电容(ESR<1Ω),抑制电源噪声;
  4. 电压监控精度:检测低电压时(如1.8V),采用1%精度电阻分压,确保监控阈值准确;
  5. 布线要求:SENSE引脚避免靠近高频信号线,防止电磁干扰影响电压检测。

七、总结

MAX6369KA+T作为一款高集成度、低功耗、工业级监控芯片,完美适配主流嵌入式系统的可靠性需求,其宽电压、宽温、小封装等特性,使其在工业控制、物联网、汽车电子等领域具有显著竞争力,是替代传统分立监控方案的理想选择。

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