WMSIC Electronic Components

GATEMODE GM3491E

ModelGM3491E
PackageSOP-14
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
GATEMODE GM3491E
Type
GATEMODE
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GATEMODE
Electronic Component
GM3491E
Electronic Component
1
Package
SOP-14
Type
Transceiver
Electronic Component
RS-485 / RS-422IC
Electronic Component
0.294g
Electronic Component
1
Features
Tx / Rx;;;; Low Power
Electronic Component
BM0264251995
Operating Temperature
40℃~+85℃
Operating Voltage
3V~5.5V
Receiver
1
Data
12Mbps
Communication
Electronic Component

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

GM3491E 高速全双工收发器产品概述

GM3491E是捷茂微(GATEMODE)推出的单路工业级全双工差分收发器,兼容RS-485/RS-422通讯标准,专为低功耗、高可靠性、宽环境适应性的场景设计。该器件内置1个驱动器和1个接收器,支持双向同时数据传输,可直接对接主流MCU、PLC等控制器,广泛应用于工业自动化、楼宇控制、车载电子等领域。

一、产品核心定位与功能

GM3491E定位于高性价比工业级通讯接口器件,核心功能是实现差分信号的双向传输:

  • 采用全双工架构,避免半双工模式下“收发切换延迟”问题,确保数据实时性;
  • 兼容RS-485/RS-422标准,支持多点通讯(最多32个节点),满足分布式系统需求;
  • 可直接与3.3V/5V系统对接,无需额外电平转换电路,简化硬件设计。

二、关键性能参数与特性

GM3491E的性能针对工业场景优化,核心特性如下:

1. 宽电压适配

支持3V~5.5V直流电源输入,可直接匹配:

  • 3.3V系统(如ARM Cortex-M系列MCU、物联网节点);
  • 5V系统(如传统8位MCU、PLC、车载降压电源);
    无需额外DC-DC或电平转换芯片,降低BOM成本。

2. 强ESD防护

内置多级静电保护结构,可承受:

  • ±15kV人体模型(HBM)静电放电;
  • ±8kV接触放电(符合IEC 61000-4-2标准);
    有效抵御现场操作、环境静电带来的器件损坏,提升系统稳定性。

3. 工业级温度范围

工作温度覆盖**-40℃~+85℃**,满足:

  • 户外工业现场(如矿山、工厂车间);
  • 低温仓储、高温环境(如太阳能电站);
    符合工业级器件可靠性要求,无高低温性能衰减。

4. 低静态功耗

典型静态电流仅1mA,在待机或低负载状态下功耗极低,适合:

  • 电池供电的便携式设备(如手持数据采集器);
  • 低功耗物联网节点(如智能传感器);
    延长设备续航时间,降低系统散热需求。

5. 高速通讯能力

支持最高10Mbps波特率的差分传输,可满足:

  • 工业传感器每秒数千次的采样数据传输;
  • 实时控制指令(如PLC与伺服电机的通讯);
    平衡传输速率与抗干扰性,最长传输距离可达1200米。

三、封装与可靠性设计

GM3491E采用SOP14表面贴装封装,具备以下优势:

  • 尺寸紧凑(8.7mm×5.9mm),适合PCB布局空间有限的场景(如小型控制器、嵌入式模块);
  • 封装材料为耐高温、抗老化的工业级塑料,确保高低温循环下的机械稳定性;
  • 引脚符合IPC标准,焊接可靠性高,降低生产虚焊风险。

此外,器件内置共模抑制电路(CMRR>80dB@1kHz),可有效抑制现场共模干扰(如电机噪声、电力线干扰),确保远距离传输时的数据准确性。

四、典型应用场景

GM3491E的特性使其适用于多种高可靠性场景:

  1. 工业自动化:PLC与远程I/O模块通讯、工业机器人传感器采集、生产线状态监控;
  2. 楼宇自动化:智能照明分布式控制、安防监控数据传输、楼宇能耗监测;
  3. 车载电子:车载信息娱乐系统多设备对接、车身传感器(温度/压力)本地通讯;
  4. 消费电子:智能家居网关多设备(门锁/摄像头)通讯、打印机接口扩展;
  5. 通信设备:小型基站本地数据传输、光纤收发器接口转换。

五、产品优势总结

相较于同类器件,GM3491E具备核心竞争力:

  • 兼容性强:宽电压适配3V~5.5V,无需电平转换;
  • 抗干扰优:±15kV ESD+高CMRR,适合恶劣工业环境;
  • 功耗低:1mA静态电流,满足低功耗场景;
  • 工业可靠:-40℃~+85℃温度范围,覆盖极端环境;
  • 设计简化:单驱单收全双工,无需切换电路,降低系统复杂度。

GM3491E以高性价比和工业级可靠性,成为工业通讯、物联网等领域的优选接口器件。

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