WMSIC Electronic Components

GATEMODE GM3243EBA

ModelGM3243EBA
PackageSSOP-28
BrandGATEMODE
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
GATEMODE GM3243EBA
Type
GATEMODE
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GATEMODE
Electronic Component
GM3243EBA
Electronic Component
1
Package
SSOP-28
Type
Transceiver
Electronic Component
RS232IC
Electronic Component
0.635g
Electronic Component
1
Features
Low Power
Electronic Component
BM0264353271
Operating Temperature
40℃~+85℃
Operating Voltage
3V~5.5V
Receiver
5
Data
250Kbps
Static Current
1uA

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

GM3243EBA 产品概述

一、产品简介

GM3243EBA(GATEMODE 捷茂微)是一款多通道 RS-232 收发器,集成三个驱动器、五个接收器以及一组双电荷泵电路。器件支持 3.0V 至 5.5V 的单电源工作,内部电荷泵结合外部四个小型电容器即可产生满足 RS-232 电平要求的正负电压。支持最高 250 kbps 的数据速率,并具备超低静态电流特性,适合对功耗敏感的工业与便携式系统。

二、主要特性

  • 通道配置:3 路驱动器(Tx)、5 路接收器(Rx),满足多串口或混合接口需求。
  • 电源与电荷泵:3.0V–5.5V 单电源供电;内部双电荷泵配合四个外部电容实现 RS-232 级别。
  • 速率与功耗:支持高达 250 kbps 的信号传输速率;AutoShutdown 静态电流仅 1 µA,提供低功耗待机能力。
  • 静电保护:器件具备 ±15 kV(人体模型)级别静电防护,提高接口可靠性。
  • 功能:低功耗模式与唤醒功能,便于在电池供电或功耗受限的场景下实现节能管理。
  • 温度范围:工作温度 -40 ℃ 至 +85 ℃,适应工业级环境。
  • 封装:SSOP-28,便于 PCB 布局与高密度系统集成。

三、典型应用场景

  • 服务器与工控机:多串口控制、调试及设备链路扩展。
  • 个人电脑与外设:串口扩展、串口设备接口转换。
  • 手持终端与便携设备:低功耗唤醒特性适合电池供电场景。
  • 工业自动化与仪器仪表:可靠的静电保护与宽温特性满足恶劣工作环境。

四、设计与使用建议

  • 电荷泵电容:器件需配合四个外部小型电容使用,建议按制造商推荐的容值与布置方式进行布局,以保证电荷泵稳定性与低噪声输出。
  • 去耦与走线:在 Vcc 附近增加适当的去耦电容,驱动器输出端与接收端的走线应注意阻抗控制和回流路径,避免长线引入干扰。
  • ESD 与保护:尽管器件提供 ±15 kV 的静电保护,建议在面向外部连接器(如 DB9、RJ45)处配合浪涌抑制或 TVS 二极管做二次防护,提升整机鲁棒性。
  • 低功耗管理:利用 AutoShutdown 与唤醒功能可在系统空闲时将接口功耗降至极低,唤醒源可通过外部信号或接收器活动实现。
  • 温度与散热:在高密度布板或高温环境中注意器件热管理,保持工作温度在规格范围内以确保长期可靠性。

五、包装与型号信息

  • 品牌:GATEMODE(捷茂微)
  • 型号:GM3243EBA
  • 封装:SSOP-28
  • 适用行业:通信、工业控制、计算机周边、便携设备等

综上所述,GM3243EBA 是一款面向多串口、低功耗与工业级应用的 RS-232 收发器,凭借内部双电荷泵、出色的静电防护和低待机电流,能够在要求可靠性与能耗控制的系统中提供稳定的串口接口解决方案。若需具体典型电路图、器件脚位或详细推荐的电容值,请参照 GM3243EBA 的数据手册或联系供应商获取技术支持。

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