WMSIC Electronic Components

ADI/LINEAR MAX6342SUT+T MAX6342SUT

ModelMAX6342SUT+T
PackageSOT-6
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ADI(Analog Devices) / LINEAR MAX6342SUT+T
Type
ADI/LINEAR
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
MAX6342SUT+T
Electronic Component
1
Package
SOT-6
Electronic Component
Supervisorand positions IC
Electronic Component
0.045g
Electronic Component
1
Features
positions
Electronic Component
BM0258873074
Reset
180ms
Operating Temperature
40℃~+125℃
Operating Voltage
1V~5.5V
ICType
Voltage Supervisor
Output Type
Electronic Component
Voltage
3.08V

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

MAX6342SUT+T 产品概述

一、产品简介

MAX6342SUT+T 是来自 ADI(含原 Linear/Maxim 产品线)的低功耗电压监控/复位电路,采用 6 引脚 SOT-6 封装。该器件为单路电压监控器(监控点数:1),集成了电源失效(Power-Fail)比较器与手动复位功能,输出为推挽型(push-pull),复位为低电平有效。器件工作电压范围宽(1.0V ~ 5.5V),静态电流仅约 40 µA,复位超时为 180 ms,工作温度范围为 -40 ℃ ~ +125 ℃,适用于对系统上电顺序、欠压保护与电源下降监测有严格要求的嵌入式与电源管理场景。

二、主要参数与特性

  • 工作电压范围:1.0 V ~ 5.5 V
  • 监控电压阈值:3.08 V(阈值复位点)
  • 复位输出类型:推挽(Push-Pull)
  • 复位极性:低电平有效(复位期间输出被拉低)
  • 受监控电压通道:1 路
  • 手动复位:提供手动复位输入,可强制触发复位
  • 看门狗定时器:无
  • 复位超时(复位脉宽):180 ms
  • 静态电流(Iq):约 40 µA(低功耗)
  • 工作温度:-40 ℃ ~ +125 ℃
  • 封装:SOT-6(6 引脚小型封装)
  • 集成功能:电源失效比较器(Power-Fail Comparator)用于提前检测电源下降

三、功能说明

MAX6342SUT+T 的主要功能是监控单路电源电压,当被监控电压低于设定阈值(3.08 V)或通过手动复位引脚触发时,器件将输出有效的复位信号(低电平),保证系统复位直到电源稳定并且复位超时(180 ms)到期为止。器件的推挽输出可直接驱动外部逻辑负载而无需外接上拉电阻。内置的电源失效比较器可用于在主电源下降开始时产生提前警示,从而协助安全关断或保存关键数据。

四、典型应用场景

  • 微控制器与 DSP 的上电复位(POR)与欠压保护
  • 数据保存与安全关断电路(在电源下降时触发预先处理)
  • 工业控制与汽车电子中对电源完整性要求高的系统
  • 电池供电或便携设备中低功耗电源监控
  • 通信设备、路由器与存储设备的系统复位管理

五、设计要点与注意事项

  • 监控阈值:器件内定阈值为 3.08 V,适合需要 3.0 V 左右门槛的系统。如需不同阈值,应选择相应型号或通过外部电路调整。
  • 输出能力:推挽输出可直接驱动常见逻辑器件,但在驱动大电流负载时应确认容量并考虑缓冲器或驱动器。
  • 手动复位:手动复位输入便于人为或外部逻辑强制复位。设计时需注意抖动与防误触发(建议添加适当的去抖电路)。
  • 电源失效比较器:利用 PF 比较器监测次级电源或外部参考,可以在主电源下降前做提前处置。比较器输入需要按照数据手册建议接法以保证可靠触发。
  • 低静态电流:40 µA 的静态电流使其适合电池供电系统,但在面积与散热受限的设计中仍需评估整体能耗。
  • 温度与可靠性:器件工业级温度范围(-40 ℃ ~ +125 ℃),适合恶劣环境使用;在高温应用场合应留意封装散热与长期漂移。

六、封装与环境规范

MAX6342SUT+T 提供 6 引脚 SOT-6 小型封装,便于在 PCB 上节省空间并实现自动贴片组装。器件符合常见工业环境工作温度要求(-40 ℃ ~ +125 ℃),适合在广泛应用条件下长期可靠工作。具体封装尺寸、引脚排列与焊接规范请参考官方器件数据手册以满足装配与可靠性要求。

七、使用优势与总结

MAX6342SUT+T 将低功耗、单通道精确电压监控、手动复位与电源失效比较器集成于紧凑的 SOT-6 封装中,提供稳定可靠的复位管理能力。其推挽输出与 180 ms 的复位超时设置适合多数微控制器与逻辑电路的上电与欠压处理需求。对于需要在电源下降时提前响应并保证系统安全断电或数据保存的设计,该器件是一个体积小、功耗低且功能全面的选择。欲获得完整引脚定义、典型应用电路与详细性能曲线,请参阅 ADI/Linear 官方数据手册。

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