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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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Technical Documentation

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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

MAX20478 Two/Three Input Automotive Voltage Monitor with Watchdog

The MAX20478 is a complete ASIL-D-compliant System-on-a-Chip (SoC) voltage monitor with two or t...

MAX20479EVKIT Evaluation Kit for the MAX20478

The MAX20479 evaluation kit (EV kit) is a fully assembled and tested application circuit for the...

MAX16149 高电压监控电路,带手动复位输入

MAX16143、MAX16145、MAX16147和MAX16149为监控电路,可使用工厂预设门限(+2.3V至+11.6V)监测自身供电电压。带有手动复位(MR或低电平有效MR)输入。RE...
  • 工厂设定复位门限选项:+2.3V至+11.6V
  • 手动复位输入
    • 高电平有效和低电平有效触发选项
    • 可选内部上拉或下拉
    • 快速(45µs)和慢速(50ms)去抖时间选项
  • 当VCC ≥ 1.3V时,保证复位有效
  • 推挽式和开漏式复位输出选项
    • MAX16143:开漏式,低电平有效
    • MAX16145:开漏式,低电平有效
    • MAX16147:推挽式,低电平有效
    • MAX16149:推挽式,高电平有效
  • 电源瞬态抗扰性
  • -40°C至+125°C工作温度范围
  • SOT23-5封装和4焊球WLP封装

MAX16145 高电压监控电路,带手动复位输入

MAX16143、MAX16145、MAX16147和MAX16149为监控电路,可使用工厂预设门限(+2.3V至+11.6V)监测自身供电电压。带有手动复位(MR或低电平有效MR)输入。RE...
  • 工厂设定复位门限选项:+2.3V至+11.6V
  • 手动复位输入
    • 高电平有效和低电平有效触发选项
    • 可选内部上拉或下拉
    • 快速(45µs)和慢速(50ms)去抖时间选项
  • 当VCC ≥ 1.3V时,保证复位有效
  • 推挽式和开漏式复位输出选项
    • MAX16143:开漏式,低电平有效
    • MAX16145:开漏式,低电平有效
    • MAX16147:推挽式,低电平有效
    • MAX16149:推挽式,高电平有效
  • 电源瞬态抗扰性
  • -40°C至+125°C工作温度范围
  • SOT23-5封装和4焊球WLP封装

MAX16143 高电压监控电路,带手动复位输入

MAX16143、MAX16145、MAX16147和MAX16149为监控电路,可使用工厂预设门限(+2.3V至+11.6V)监测自身供电电压。带有手动复位(MR或低电平有效MR)输入。RE...
  • 工厂设定复位门限选项:+2.3V至+11.6V
  • 手动复位输入
    • 高电平有效和低电平有效触发选项
    • 可选内部上拉或下拉
    • 快速(45µs)和慢速(50ms)去抖时间选项
  • 当VCC ≥ 1.3V时,保证复位有效
  • 推挽式和开漏式复位输出选项
    • MAX16143:开漏式,低电平有效
    • MAX16145:开漏式,低电平有效
    • MAX16147:推挽式,低电平有效
    • MAX16149:推挽式,高电平有效
  • 电源瞬态抗扰性
  • -40°C至+125°C工作温度范围
  • SOT23-5封装和4焊球WLP封装

MAX16137EVKIT Evaluation Kit for the MAX16137

The MAX16137 evaluation kit (EV kit) is designed to evaluate the MAX1613700/VY+, a 1% accuracy, ...

MAX16137 1% Accuracy Single-Window Voltage Monitor with BIST

The MAX16137 is a low-voltage, ±1% accurate supervisory circuit that monitors a single system su...

MAX16162 nanoPower Supply Supervisors with Glitch-Free Power-Up

The MAX16161/MAX16162 are ultra-low current, singlechannel supervisory ICs. The devices monitor ...

MAX16161 nanoPower Supply Supervisors with Glitch-Free Power-Up

The MAX16161/MAX16162 are ultra-low current, singlechannel supervisory ICs. The devices monitor ...

MAX20480 汽车应用ASIL-D 7通道电源系统检测器

MAX20480是符合ASIL标准的完备SoC电源系统监测器,多达7路电压监测输入。每路输入均具有可编程OV/UV门限,介于2.5%至10%之间,精度为±1%。其中两路输入具有独立的远端地检测...
  • 小方案尺寸
    • 2.35V至5.50V工作电压
    • 只需1个外部元件
    • 150µA工作电流
    • 8µA关断模式
  • 高精度
    • 102.5%至110%可选择OV监测器
    • 97.5%至90%可选择UV监测器
    • ±1%精度
    • 0.5%步长
    • 符合ASIL-D标准
  • 高度集成
    • 5路固定电压监测输入
    • 2路差分DVS跟踪电压监测输入,带有远端地监测
    • 电源排序记录
    • 简单或质询/应答窗看门狗
    • 故障记录
    • I2C接口上支持CRC
    • 可编程I2C地址
    • OTP配置,带有纠错码和重装载功能
    • 可编程低电平有效RESET引脚
  • 16引脚侧面防潮TQFN封装,带裸焊盘(3mm x 3mm)
  • AEC-Q100认证
  • -40°C至+125°C工作温度范围

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.