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电压监控电路监测微处理器系统的电源电压,以确保系统每次都能正确启动,检测并最大程度减少系统错误,并且系统在发生错误后能够安全返回,只需很少或无需用户介入。电源排序器在上电和关断时按顺序使能/禁止电源。电源监测器持续检查电源输出电压和电流,检测过压和欠压。如果检测到故障,监控IC自动以预定方式关断系统。

Maxim提供最宽泛的监控方案可供选择,包括看门狗定时器、多电压监测器、电压跟踪器、电源排序器、复位IC以及按键控制器/去抖器。Maxim的电压监控电路、电源排序器和电压监测器是工业和汽车应用、便携式设备和网络服务器的理想选择。电压监控方案确保应用可靠操作,无需附加固件或软件。

  • 多种编程选项,为设计提供功能性、集成和灵活性
  • 可选择长启动延迟,最大程度降低启动电流要求
  • 能够同时管理十几路系统电压

排序与电压跟踪

电源排序和电压跟踪IC能够解决系统上电和断电的需求,产品包括从简单的小尺寸、双电压排序/跟踪器到灵活的I²C编程设置、内置ADC的六电压排序器的各种选择。

电池备份IC

Maxim提供广泛的监控方案产品线,支持电池备份管理和存储器写保护应用。

开关去抖电路与按键控制器件

Maxim提供最简捷、性价比最高的按键控制、去抖动方案,用于微处理器的监控及手动复位,采用微型SC70封装,仅消耗6µA电流。

集成了复位功能的稳压器

了解美信的集成了复位功能的稳压器。

复位IC/上电复位

Maxim提供全面的小尺寸、低功耗µP监控电路,具有极高的电压监测精度,适用于工业及汽车应用领域。

多电压监测器

单一芯片监测多达8路电压,提供业内领先的性能指标:最高精度、最低功耗和最小尺寸。

看门狗定时器

Maxim提供极具创新的看门狗定时器方案,用于系统监测并减少代码运行错误。

电压检测器和电池监视器

Maxim提供一百多种电压检测器和电池监测器,服务于各个应用领域。我们提供的器件能够优化于低功耗、低电流、极端工作温度、高压、小尺寸,甚至是同时管理多个系统电压。

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博客

Are Biometric Sensors the Key to Healthier Horses…and Humans?

May 11, 2020

With its biometrics sensing technology integrated into horse bridles, Equine SmartBits aims to enhance equine health and performance. Learn more from the blog.

How NCATEST Raised Performance and Lowered Power of Its Automated Test Equipment

April 15, 2020

NCATEST decreased the design cycle, power consumption, and size for a new automated test equipment solution using Maxim Integrated's pin electronics.

Function-Rich Diving Computer Fueled by Analog and Power Management ICs

January 14, 2020

See how ROJ and Mares brought their function-rich, wrist-worn dive computer to life with Maxim analog and power management ICs. Read the blog.

The Ins and Outs of Voltage Supervisor ICs

August 29, 2019

Guest blogger Jim Harrison details the specs you should consider when evaluating voltage supervisor ICs for your designs.

Meet Vehicle Emissions Standards with Supervisory and Watchdog-Timer ICs

June 04, 2019

Supervisory and watchdog-timer ICs can be a tool in an automotive designer’s toolkit to meet vehicle emissions standards.

An Insider's View of Analog Artistry at electronica 2018

December 13, 2018

Tom Bui, principal MTS at Maxim, highlights how designers can add functions to their designs while reducing footprint and power consumption.

Keep Tabs on Essential Electronic Loads with Supervisory ICs

June 12, 2018

Learn techniques to address challenges faced by supervisory ICs, whose role in monitoring voltages is critical.

Deminar: 3 Ways that Analog ICs Can Strengthen Your Design

April 30, 2018

See demos and get details on three key analog ICs that strengthen your design during this online deminar.

Which Type of Analog Hero Are You?

April 25, 2018

Guest blogger nanoMan, the expert of all things nanoPower, shares a quiz that tells you what type of analog hero you are.

How Medical Wearables Enhance Quality of Life

September 26, 2017

New technologies are giving us new ways to manage medical conditions. See what two companies have created with Maxim ICs to enhance quality of life.


电压基准和监控电路概览
11:42 January 25, 2018

MAX6424 低功耗、SC70/SOT封装、微处理器复位电路,可通过电容调节复位超时周期

MAX6424 低功耗、SC70/SOT封装、微处理器复位电路,可通过电容调节复位超时周期

MAX6340/MAX6421–MAX6426低功耗、微处理器监控电路可监视1.6V至5V的系统电压。这些器件执行一个功能:一旦VCC电源电压降低到它的复位门限以下便发出一个复位信号。当VCC...
  • 监视1.6V至5V的系统电压
  • 电容可调复位延时
  • 低静态电流(1.6µA,典型值)
  • 三种RESET输出选择
    • 推挽式/RESET
    • 推挽式RESET
    • 漏极开路/RESET
  • 保证复位有效至VCC = 1V
  • VCC瞬态短路保护
  • 微型4引脚SC70封装、4引脚SOT143封装和5引脚SOT23封装
  • MAX6340引脚兼容于LP3470
  • MAX6424/MAX6425引脚兼容于NCP300—NCP303、MC33464/MC33465、S807/S808/S809和RN5VD
  • MAX6426引脚兼容于PST92XX
MAX6425 低功耗、SC70/SOT封装、微处理器复位电路,可通过电容调节复位超时周期

MAX6425 低功耗、SC70/SOT封装、微处理器复位电路,可通过电容调节复位超时周期

MAX6340/MAX6421–MAX6426低功耗、微处理器监控电路可监视1.6V至5V的系统电压。这些器件执行一个功能:一旦VCC电源电压降低到它的复位门限以下便发出一个复位信号。当VCC...
  • 监视1.6V至5V的系统电压
  • 电容可调复位延时
  • 低静态电流(1.6µA,典型值)
  • 三种RESET输出选择
    • 推挽式/RESET
    • 推挽式RESET
    • 漏极开路/RESET
  • 保证复位有效至VCC = 1V
  • VCC瞬态短路保护
  • 微型4引脚SC70封装、4引脚SOT143封装和5引脚SOT23封装
  • MAX6340引脚兼容于LP3470
  • MAX6424/MAX6425引脚兼容于NCP300—NCP303、MC33464/MC33465、S807/S808/S809和RN5VD
  • MAX6426引脚兼容于PST92XX

MAX16138 ±0.7% Accuracy Single-Window Voltage Monitor with BIST

The MAX16138 is a low-voltage, ±0.7% accurate supervisory circuit that monitors a single system ...

MAX16138EVKIT Evaluation Kit for the MAX16138

The MAX16138 evaluation kit (EV kit) is designed to evaluate the MAX1613800/VY, a 0.7% accuracy,...

MAX6791EVKIT MAX6791评估板

MAX6791评估板(EV kit)提供经过验证的PCB布局,简化对高压、低静态电流、双通道线性稳压器MAX6791的评估。评估板还可用来评估MAX6792–MAX6796。该评估板是经过完全...
  • 5V至72V宽工作电压范围
  • 100V电池反接保护
  • 两路5mA稳压输出
  • 固定或可调稳压输出
  • 窗式看门狗定时器
  • 使能或锁定功能
  • MAX6791 高压、微功耗、单/双路线性稳压器,带有监控功能

    MAX6791 高压、微功耗、单/双路线性稳压器,带有监控功能

    MAX6791–MAX6796超低静态电流单路/双路输出线性稳压器适用于汽车应用。这些器件支持较宽的5V至72V工作输入范围,使其能够承受汽车抛负载,同时仅消耗68µA的电流。MAX6791–...
    • 68µA较低的68µA静态电流
    • 5V至72V宽供电电压范围
    • 输出电流
      • 单路输出,高达300mA
      • 双路输出,每路高达150mA
    • 低压差降
      • 100mA时的420mV (典型值) (单路)
      • 100mA时的840mV (典型值) (双路)
    • 固定输出电压选择:5V、3.3V、2.5V、1.8V、或者可调输出(1.8V至11V)
    • ENABLE和HOLD功能
    • /RESET输出:开漏或者推挽
    • 内部固定(35µs、3.125ms、12.5ms、50ms和200ms)或者电容可调的复位超时周期
    • 内部固定或者电容可调的看门狗超时周期
    • 窗口(最小/最大)看门狗定时器选择(MAX6791/MAX6792)
    • 看门狗禁用功能
    • 过热、短路和输出过压保护
    • 工作在-40°C至+125°C温度范围
    • 小型、热增强型5mm x 5mm TQFN封装
    • MAX6795TPLD2/V+, MAX6795TPSD2/V+通过AEC-Q100认证

    EE-Sim® Design Tool

    Reference Design for a Class D, 2.1-Channel, Audio Amplifier for an MP3 Docking Station

    This reference design demonstrates the MAX98400 Class D audio amplifier in a stereo audio dockin...

    Modern Thermocouples and a High-Resolution Delta-Sigma ADC Enable High-Precision Temperature Measurement

    Article discusses high-performance temperature measurement using standardized thermocouples and ...

    Boost Backlight LED Driver

    A LED display backlight driver using a boost switching power supply and linear current sinks for...

    Circuit Enables Single NiMH Cell to Simulate a Lithium Battery

    Circuit enables single NiMH cell to simulate lithium battery

    Handy Circuit Gives Systems Flexible Fault Protection

    Application circuit shows a simple method for protecting system against fault condition when boa...

    Overcurrent Monitor Operates up to 26V

    This circuit provides overcurrent protection for supply-rail voltages to +26V.