WMSIC Electronic Components

MICROCHIP MCP130T-270I/TT MCP130T

ModelMCP130T-270I/TT
PackageSOT-23-3
BrandMICROCHIP
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
MICROCHIP MCP130T-270I / TT
Type
MICROCHIP
Minimum package
3000 个

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MICROCHIP
Electronic Component
MCP130T-270I/TT
Electronic Component
1
Package
SOT-23-3
Electronic Component
Supervisorand positions IC
Electronic Component
0.034g
Electronic Component
1
Electronic Component
BM0257408064
Reset
350ms
Operating Temperature
40℃~+85℃
Operating Voltage
1V~5.5V
ICType
Voltage Supervisor
Output Type
Electronic Component
Voltage
2.55V
Static Current(Iq)
45uA

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

MCP130T-270I/TT 产品概述

一、产品简介

MCP130T-270I/TT 是来自 Microchip(美国微芯)的一款单通道电压监控器,采用 SOT-23-3 封装,提供开漏(或开集电极等价)输出和低电流工作特性。该器件用于对系统供电进行欠压检测,当被监控电压低于设定阈值时产生低电平有效的复位信号,常用于单片机、电源管理和便携设备的上电检测与欠压锁定。

二、主要参数

  • 芯片类型:电压监控器(1 通道)
  • 工作电压范围:1.0 V ~ 5.5 V
  • 阈值电压:2.55 V(输入参数)
  • 输出类型:开漏(需要外部上拉)
  • 复位有效电平:低电平有效(欠压时拉低复位线)
  • 复位超时(复位保持时间):约 350 ms
  • 手动复位:无
  • 看门狗定时器:无
  • 工作温度范围:-40 ℃ ~ +85 ℃(Tj)
  • 静态电流(Iq):约 45 μA
  • 封装:SOT-23-3
  • 监控通道数:1

三、典型应用场景

  • MCU/数字逻辑的电源复位和欠压保护(Brown-out reset)
  • 电池供电系统的电压监控与上电序列管理
  • 电源模块和电源开关的故障检测与系统复位
  • 工业控制、消费电子等需要低静态电流的场合

四、设计要点与注意事项

  1. 上拉电阻:器件输出为开漏结构,设计时需在复位线上加上合适的上拉电阻至系统供电轨(常见值范围 10 kΩ~100 kΩ,依据系统噪声与上拉速度选择)。
  2. 复位有效性:复位为低电平有效,供电低于阈值时输出被拉低;当电压高于阈值且稳定超过复位超时(约 350 ms)后释放复位。该较长的复位保持时间有利于电源稳定与外设初始化。
  3. 无手动复位/无看门狗:器件不带外部手动复位引脚和看门狗功能,若系统需要这些功能需额外电路或选用其它带有这些特性的监控芯片。
  4. 旁路与布局:尽管静态电流低,但在受到噪声或瞬态干扰的系统中建议在供电端做旁路电容,并把器件与被监控节点的连线尽量短,地线可靠以保证检测精度。
  5. 温漂与容差:产品工作温度范围为 -40~+85 ℃,设计时应考虑阈值随温度与制造公差的变化对系统动作点的影响,必要时在系统层面留有裕量。

五、封装与引脚说明

MCP130T-270I/TT 使用 SOT-23-3 小封装,适合空间受限的 PCB 设计。典型连接为:VDD 接被监控电压,GND 接地,RESET(开漏)通过上拉到系统逻辑电源。请参考厂商完整数据手册以获取引脚排列、推荐 PCB 布局与焊接指南。

六、选型与替代建议

若系统需要不同阈值、电平极性或附加功能(如手动复位、看门狗或更短/更长的复位延时),可在 Microchip 或其他厂商的电压监控产品系列中查找相对应型号。对于超低功耗电池应用,45 μA 的静态电流表现良好;但对极低功耗(μA 级或 nA 级)应用可考虑专用超低静态电流监控器。

总结:MCP130T-270I/TT 为一款简单可靠的单通道电压监控器,适合对系统电源进行基本的欠压检测与复位控制,特点为开漏输出、低静态电流和固定复位保持时间,适用范围广泛且封装紧凑。请在最终设计中参照 Microchip 的官方数据手册完成电气与热设计验证。

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