WMSIC Electronic Components

GR MAX810R

ModelMAX810R
PackageSOT-23
BrandGR
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+

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Technical data

Product details

19 specifications

Core information

Product name
GR MAX810R
Type
GR
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GR
Electronic Component
MAX810R
Electronic Component
1
Package
SOT-23
Electronic Component
Supervisorand positions IC
Electronic Component
0.038g
Electronic Component
1
Electronic Component
BM0265442535
Reset
500ms
Operating Temperature
20℃~+60℃
Operating Voltage
1V~6V
ICType
Voltage Detector
Output Type
Electronic Component
Voltage
2.63V
Static Current(Iq)
2uA

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

MAX810R 电压检测器产品概述

MAX810R是一款专为嵌入式系统设计的单路电压监控专用器件,核心功能是精准检测系统供电电压,在电压低于阈值时输出稳定复位信号,确保MCU/MPU等核心器件上电后完成可靠初始化,避免电压异常导致的程序跑飞、硬件冲突等问题。结合宽电压范围、低功耗、紧凑型封装等特性,适用于消费电子、IoT、小型工业控制等多类场景。

一、核心定位与设计目标

MAX810R聚焦低电压嵌入式系统的上电复位与电压异常防护,针对传统RC复位电路精度低、易受干扰的痛点,采用集成化设计实现:

  1. 覆盖1V~6V宽电压,适配主流MCU供电(3.3V、5V、1.8V等);
  2. 低静态电流减少电池设备功耗;
  3. 推挽输出简化外围电路;
  4. 超小型封装满足紧凑型设计需求。

二、关键电气参数与应用价值

1. 宽电压工作范围(1V~6V)

覆盖从1.8V(低功耗MCU常用)到6V(部分工业设备供电)的区间,无需额外电压转换电路,直接匹配不同供电系统(如3.3V的STM32、5V的AVR单片机),提升设计灵活性。

2. 精准阈值电压(2.63V典型值)

采用高精度内部基准,当系统供电低于2.63V时立即输出有效复位。该阈值针对3.3V系统优化(约为3.3V的80%),避免电压略低时MCU进入不稳定工作状态,保障系统可靠性。

3. 500ms复位超时

上电后保持复位信号有效500ms,给MCU足够时间完成寄存器初始化、外设配置等操作,避免因上电速度差异导致的硬件冲突(如外设未就绪时MCU启动访问)。

4. 低静态电流(2uA典型值)

待机仅消耗2uA电流,远低于传统RC+比较器方案,适合电池供电的IoT设备(如蓝牙传感器、智能手环),可延长电池续航10%以上(基于典型1000mAh电池计算)。

三、输出特性与电路简化

MAX810R采用推挽输出,无需外接上拉/下拉电阻,相比开漏输出减少1~2个外围器件,降低BOM成本与PCB面积。同时,复位信号为高电平有效,与STM32、ATmega等主流MCU的复位输入电平一致,无需电平转换,进一步简化系统设计。

此外,器件无手动复位引脚,适合不需要人工干预复位的紧凑型系统(如可穿戴设备),减少引脚占用(适配SOT-23封装的3~5引脚设计)。

四、工作环境与封装适配

1. 温度范围(-20℃~+60℃)

满足消费电子(智能音箱、游戏机配件)、小型工业控制(环境监测模块)的温度需求,低温(-20℃)下参数稳定,高温(+60℃)下无性能衰减。

2. SOT-23超小型封装

封装尺寸约2.9mm×1.6mm,是主流小封装之一,适合PCB空间紧张的设计(如智能手表主板、传感器节点),可与其他器件紧凑布局,提升系统集成度。

五、典型应用场景

MAX810R的特性使其适用于:

  • 3.3V/5V MCU系统上电复位:替代传统RC复位,提升STM32、ATmega等单片机的复位精度;
  • 低功耗IoT设备:蓝牙温湿度传感器、ZigBee节点等电池供电设备,低静态电流保障长期待机;
  • 消费电子小型设备:智能手环、便携蓝牙音箱的核心控制电路复位;
  • 小型工业监测模块:温度采集器、压力传感器节点的电压监控,保障数据采集稳定。

总结

MAX810R通过精准电压检测、低功耗设计、紧凑型封装,为嵌入式系统提供可靠的上电复位与电压监控方案,适配多类场景的设计需求,是低电压系统复位电路的优选器件。

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