WMSIC Electronic Components

GR MAX810S

ModelMAX810S
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+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
GR MAX810S
Type
GR
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GR
Electronic Component
MAX810S
Electronic Component
1
Package
SOT-23
Electronic Component
Supervisorand positions IC
Electronic Component
0.038g
Electronic Component
1
Electronic Component
BM0264555440
Reset
500ms
Operating Temperature
20℃~+60℃
Operating Voltage
1V~6V
ICType
Voltage Detector
Output Type
Electronic Component
Voltage
2.93V
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.

MAX810S电压检测器产品概述

MAX810S是国睿(GR)品牌推出的单路电压监控复位芯片,专为微处理器(MCU/MPU)、数字电路等系统的上电/掉电复位保护设计,兼具低功耗、小封装、高可靠性等特点,适配多种低电压及电池供电场景。

一、核心功能与定位

作为电压检测器,MAX810S的核心作用是实时监控系统电源电压:当电源电压低于预设阈值时,输出高电平有效复位信号,强制系统处于复位状态;当电源电压回升至阈值以上并稳定500ms后,复位信号释放,系统开始正常工作。其设计目标是解决系统上电时电压不稳定、掉电时电压跌落导致的程序跑飞、数据错误等问题,保障系统启动与运行的可靠性。

二、关键参数与性能亮点

MAX810S的参数经过精准优化,覆盖主流应用需求:

1. 宽电压适配与低功耗

  • 工作电压范围:1V~6V,可兼容3.3V、5V等常见系统电源,甚至适配纽扣电池(如CR2032)的低电压输出;
  • 静态电流(Iq):仅2μA,是同类产品中的低功耗水平,对电池供电设备的续航影响极小,适合长期待机场景。

2. 精准阈值与稳定复位

  • 阈值电压:2.93V(工厂预校准),偏差极小,可精准识别电源电压是否达到系统正常工作的最低要求;
  • 复位超时时间:500ms,足够长的稳定时间避免上电瞬间电压波动(如电容充电过程)导致的复位信号频繁切换,确保系统可靠初始化。

3. 灵活输出与小封装

  • 输出类型:推挽输出,无需外部上拉/下拉电阻,简化电路设计,输出驱动能力强(可直接驱动MCU复位引脚);
  • 封装形式:SOT-23超小型封装,尺寸仅约2.9mm×1.6mm,节省PCB空间,适合便携式设备、高密度电路模块。

4. 环境适应性

  • 工作温度范围:-20℃~+60℃,满足室内消费电子、小型工业控制、物联网终端等场景的温度需求;
  • 无手动复位功能:简化电路结构,适合不需要人工干预复位的应用(如需手动复位,可选择同系列带MR引脚的型号)。

三、典型应用场景

MAX810S的参数特性使其适配多种场景:

  1. 低功耗便携设备:如智能手环、蓝牙耳机、运动相机等电池供电产品,1V~6V电压范围适配锂电池/纽扣电池,2μA静态电流不影响续航;
  2. 消费电子终端:如智能插座、温控器、小型家电控制器,3.3V/5V系统完美适配,500ms复位超时保证上电稳定;
  3. 物联网传感器节点:如环境监测传感器、智能门锁节点,SOT-23封装适合节点小型化,低功耗适合长期部署;
  4. 小型工业控制模块:如PLC辅助电路、电机驱动控制板,-20℃~+60℃温度范围满足室内工业环境的可靠性要求。

四、电路设计要点

为确保MAX810S发挥最佳性能,设计时需注意:

  • 电源去耦:在VDD引脚(芯片第1脚)靠近芯片处并联0.1μF陶瓷电容,抑制电源噪声;
  • 输出连接:推挽输出可直接连接MCU的RESET引脚(高电平有效),无需额外电阻;
  • 布局建议:尽量靠近MCU的电源引脚与复位引脚,减少走线干扰;
  • 阈值应用:2.93V阈值适用于大多数3.3V系统(3.3V电源正常电压≥3V,2.93V可有效提前触发复位)。

五、可靠性与一致性

MAX810S采用国睿成熟的CMOS工艺制造,经过严格的温度、电压测试,确保在工作范围内的参数一致性;SOT-23封装的焊接可靠性高,适合自动化贴片生产,降低生产良率风险。

综上,MAX810S是一款高性价比的单路电压复位芯片,以低功耗、小封装、精准阈值为核心优势,覆盖主流应用场景,是消费电子、物联网、小型工业控制等领域的理想选择。

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