WMSIC Electronic Components

MSKSEMI MAX3232EUE-MS MAX3232EUE

ModelMAX3232EUE-MS
PackageTSSOP-16
BrandMSKSEMI
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
MSKSEMI MAX3232EUE-MS
Type
MSKSEMI
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MSKSEMI
Electronic Component
MAX3232EUE-MS
Electronic Component
1
Package
TSSOP-16
Type
Transceiver
Electronic Component
RS232IC
Electronic Component
0.167g
Electronic Component
1
Electronic Component
BM0225765519
Operating Temperature
40℃~+85℃
Operating Voltage
3V~5.5V
Receiver
2
Driver
2
Electronic Component
Electronic Component
Electronic Component
2500

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

MAX3232EUE-MS 产品概述

一、产品简介

MAX3232EUE-MS(MSKSEMI/美森科)是一款工业级双通道RS-232收发器,封装为TSSOP-16,工作温度范围为-40℃至+85℃。器件在3.0V至5.5V电源范围内工作,专为微控制器/FPGA等TTL/CMOS电平与RS-232电平之间的可靠双向电平转换设计,适用于需要稳健串口连接的嵌入式系统与工业控制场景。

二、主要特性

  • 双驱动器、双接收器(2 drivers / 2 receivers),可同时支持两路独立RS-232通信通道。
  • 宽电源电压:3.0V ~ 5.5V,方便与3.3V或5V系统兼容。
  • 工业级工作温度:-40℃ ~ +85℃,适合严苛环境。
  • 封装:TSSOP-16,节省PCB空间并便于自动化贴装。
  • 低功耗设计,待机/空闲状态下功耗可控,满足电池或功耗受限系统。
  • 内置电荷泵结构(用于正负电压转换),通常需外接电荷泵电容以完成电平转换(建议按数据手册选配并靠近器件布局)。

三、功能与接口说明

MAX3232EUE-MS可将MCU/数字设备的TTL/CMOS电平转换为满足RS-232电气规范的电平,并将RS-232输入转换回可被MCU识别的逻辑电平。器件提供标准的TX/RX引脚分配(两路发送,两路接收),并包含必要的内部驱动和接收保护机制,便于与外部DB9/DB25或RJ45串口连接器配合使用。

四、典型应用

  • 工业控制与自动化(PLC、现场总线网关)
  • 串口调试口、嵌入式开发板、单片机通信接口
  • POS机、仪器仪表、医疗设备的串行通讯接口
  • 旧设备/外围设备与现代MCU之间的电平适配

五、设计与布局注意事项

  • 电荷泵电容:按参考设计在器件附近放置四个外部电容(建议选择低等效串联电阻的陶瓷电容),以保证电荷泵稳定工作并降低噪声。
  • 旁路电容:VCC应靠近器件引脚放置去耦电容(0.1µF或更高),改善瞬态响应。
  • PCB布线:RS-232侧走线尽量短且远离高速数字信号;接地层应连续以降低回流噪声。
  • ESD与浪涌:实际应用中若存在较强静电或浪涌风险,应在RS-232接口处额外增加防护二极管或ESD抑制器。
  • 热管理:器件功耗通常不高,但在高温或多负载情况下应确保良好散热路径和铜皮面积。

六、选型与兼容性

MAX3232EUE-MS作为MAX3232系列兼容器件,可作为多数标准MAX3232家族产品的替代方案,适合需要工业级温度和TSSOP-16封装的设计。选择时建议参考完整数据手册,核对脚位、外部电容规格及功能差异,确保与系统硬件和软件协议兼容。

总结:MAX3232EUE-MS以其双通道收发能力、宽电源范围和工业温度等级,适合各类需要RS-232电平转换的嵌入式及工业应用。合理的外部电容布局与PCB设计能显著提升通信稳定性与抗干扰性能,是实现可靠串口通信的成熟解决方案。

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