WMSIC Electronic Components

GATEMODE GM3488ESA

ModelGM3488ESA
PackageSOP-8
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 GM3488ESA
Type
GATEMODE
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GATEMODE
Electronic Component
GM3488ESA
Electronic Component
1
Package
SOP-8
Type
Transceiver
Electronic Component
RS-485 / RS-422IC
Electronic Component
0.279g
Electronic Component
1
Electronic Component
BM0264353181
Operating Temperature
40℃~+85℃
Operating Voltage
3V~3.6V
Receiver
1
Data
1Mbps
Communication
Electronic Component
Static Current
1mA

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

GM3488ESA 全双工收发器产品概述

一、产品定位与核心功能

GM3488ESA是GATEMODE(捷茂微)推出的1发1收全双工接口收发器,核心面向3V-3.6V低压系统的高速数据传输需求,兼容RS-485/RS-422通讯协议,可实现双向同步数据收发。其本质是完成「MCU逻辑电平→差分信号」与「外部差分信号→逻辑电平」的双向转换,保障数据在长距离、抗干扰环境下的可靠传输,广泛适配工业控制、智能家居等场景。

二、关键参数深度解析

1. 电源与功耗表现

  • 供电范围:3.0V~3.6V宽电压适配,精准匹配主流低功耗MCU(如STM32L、MSP430系列)的电源输出,无需额外电平转换电路;
  • 静态电流:仅1mA,处于同类产品前列,可有效降低系统待机功耗,特别适合电池供电的便携设备(如户外传感器、手持终端)。

2. 数据传输性能

  • 速率:支持最高1Mbps传输速率,满足工业现场(传感器采集、PLC通讯)、消费电子(智能家居中控)的实时数据需求;
  • 收发配置:1发1收+全双工模式,无需切换收发状态即可实现双向同步传输,提升通讯效率(如同时接收传感器数据与发送控制指令)。

3. 静电防护与抗干扰

  • ESD防护:内置±15kV(人体模式HBM)静电防护电路,可抵御现场操作中的静电冲击(如设备插拔、人员触摸),减少器件损坏风险;
  • 抗干扰:差分传输机制天然抑制共模干扰,适合电磁环境复杂的工业车间、车载辅助系统(部分场景)。

4. 工作温区与可靠性

  • 温区范围:-40℃~+85℃,符合工业级标准,可稳定工作于严寒(户外传感器)或高温(设备机箱内部)环境,极端条件下无通讯中断。

三、封装与引脚配置

GM3488ESA采用SOP-8贴片封装,体积紧凑(5.2mm×6.0mm×1.6mm),适配主流贴片生产线,便于批量焊接与系统集成。引脚功能清晰:

引脚 功能说明 电平特性 1脚(VCC) 电源输入 3.0V~3.6V 2脚(DI) 数据输入(MCU→收发器) 逻辑电平 3脚(RO) 数据输出(收发器→MCU) 逻辑电平 4脚(GND) 地 - 5脚(DE) 驱动使能 高电平有效(启动发送) 6脚(RE) 接收使能 低电平有效(启动接收) 7脚(A) 差分信号正端 差分电平 8脚(B) 差分信号负端 差分电平

其中DE/RE引脚可联动控制收发状态(如DE=0、RE=1时进入低功耗待机),简化电路设计。

四、典型应用场景

1. 工业自动化控制系统

适配PLC、DCS等工业控制器的RS-485接口,实现传感器数据采集(温湿度、压力)、执行器控制(电机、阀门)的双向通讯,工业级温区与高ESD防护满足工厂车间的 harsh 环境需求。

2. 智能家居网络

作为中控系统与智能设备(灯光、窗帘、安防传感器)的通讯接口,3V-3.6V电压适配智能家居MCU,低功耗特性延长设备待机时间,全双工模式支持实时状态反馈(如窗帘位置同步)。

3. 消费电子数据接口

用于机顶盒、智能电视的外设对接(如红外扩展、串口设备),1Mbps速率满足音视频辅助数据传输,SOP-8封装便于设备小型化设计。

4. 远程传感器网络

适用于户外环境监测(气象站、土壤传感器)的无线中继节点,低功耗特性降低电池更换频率,差分传输保障100米内数据可靠传输。

五、品牌与市场优势

GATEMODE(捷茂微)是国内专注于接口芯片、电源管理芯片的研发制造厂商,GM3488ESA依托其成熟的模拟电路设计能力,具备以下核心优势:

  1. 宽电压适配:覆盖3V-3.6V主流低压系统,简化电路设计;
  2. 高可靠性:工业级温区+±15kV ESD防护,降低现场维护成本;
  3. 低功耗设计:1mA静态电流,适合电池供电与低功耗应用;
  4. 供应链稳定:SOP-8为通用封装,货源充足,交期可控。

GM3488ESA凭借「低压适配、高可靠、低功耗」的特性,成为工业控制、智能家居等领域的高性价比接口方案。

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