WMSIC Electronic Components

UMW ST3232BDR

ModelST3232BDR
PackageSOP-16
BrandUMW
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 Electronic Component

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
UMW ST3232BDR
Type
UMW
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
UMW
Electronic Component
ST3232BDR
Electronic Component
1
Package
SOP-16
Type
Transceiver
Electronic Component
RS232IC
Electronic Component
0g
Electronic Component
1
Electronic Component
BM0264921044
Operating Temperature
0℃~+70℃
Operating Voltage
3V~3.6V;4.5V~5.5V
Receiver
2
Data
250Kbps
Static Current
1mA
Electronic Component
±8kV

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

ST3232BDR 产品概述

一、主要特点

ST3232BDR(UMW / 友台半导体)是一款完全型双通道 RS-232 收发器,集成两路驱动器与两路接收器,适用于需要将 TTL/CMOS 电平与 RS-232 电平相互转换的嵌入式系统与通信设备。器件支持高达 250 kbps 的数据速率,内部带电荷泵,可在不外接高压电源的条件下产生满足 RS-232 电平的驱动电压。主要电气与环境参数包括:

  • 驱动器数/接收器数:2/2(完全版)
  • 数据速率:250 kbps
  • 工作电压:3.0 V ~ 3.6 V;4.5 V ~ 5.5 V(支持两档常用供电范围)
  • 静态电流:典型 1 mA(低功耗特性)
  • 静电保护:±8 kV(人体模型)
  • 工作温度:0 ℃ ~ +70 ℃
  • 封装:SOP-16(表面贴装)

二、功能与工作原理

ST3232BDR 通过内部电荷泵产生正负电压以满足 RS-232 规范对驱动电平的要求,从而无需外部 ±12V 电源。其双驱动器输出能够驱动两个独立的 RS-232 线路,双接收器输入可接收外部 RS-232 信号并转换为 MCU/FPGA 可识别的 TTL/CMOS 电平。器件在空闲或待机状态下保持低静态电流,有利于电池供电或低功耗系统的设计。

三、典型应用

  • 串口通信模块(工业串口、调试端口)
  • 嵌入式系统与单片机外设接口(RS-232 转换)
  • POS 机、楼宇对讲、仪器仪表与数据采集终端
  • 网络设备与通信测试设备的控制与诊断接口

四、封装与可靠性

SOP-16 表面贴装封装利于自动化贴片与高密度 PCB 布局。器件额定工作温度为 0 ℃~+70 ℃,适合常温商用环境使用;此外,器件具有 ±8 kV 的静电保护能力,提高在装配和现场使用过程中的可靠性。

五、设计建议与注意事项

  • 供电选择:器件支持两段常用工作电压,设计时确认系统总线电平与 MCU/外设电源匹配,避免电平不一致造成的接口问题。
  • 电荷泵滤波:电荷泵对输出稳定性敏感,建议按照厂商推荐的滤波与旁路方案布置去耦电容与短走线,以确保驱动电平和抗干扰性能。
  • EMI/ESD 抗扰:尽管器件自带较高 ESD 保护,仍建议对外部信号线做合理的滤波、保护与接地处理,尤其在工业环境中。
  • 散热与布局:SOP-16 封装热阻适中,常规应用中无须特别散热措施,但在高负载或多通道密集布线时注意热源分布与良好地平面。

六、总结

ST3232BDR(UMW/友台)是一款功能完备、低功耗且具有良好抗静电性能的双通道 RS-232 收发器,适用于多种商用与工业级串口转换场景。其内部电荷泵设计简化了电源布局,SOP-16 小封装利于大规模集成,是需要稳定 RS-232 接口解决方案的理想选择。若需进一步的引脚定义、电气时序或参考电路图,请参考厂家数据手册或联系供应商获取详细资料。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.

The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.