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SC16IS741AIPWJ
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- NXP SC16IS741AIPWJ
- Type
- NXP
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- NXP
- Electronic Component
- SC16IS741AIPWJ
- Electronic Component
- 1
- Package
- TSSOP-16
- Electronic Component
- Bus-to-UART Bridge
- Electronic Component
- 0.22g
- Electronic Component
- 1
- FIFO
- 64Byte
- Features
- RS-485;;; Low Power;; Ir DAEncoder / Decoder; /; positions
- Electronic Component
- BM0254942630
- Operating Temperature
- 40℃~+95℃
- Operating Voltage
- 2.3V~3.6V
- Interface Type
- RS-232；RS-485
- Channel Count
- 1
- Electronic Component
- 5Mbps
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SC16IS741AIPWJ 产品概述
SC16IS741AIPWJ 是恩智浦（NXP）推出的一款高性能单通道 UART 接口芯片，面向需要工业级串口通信的嵌入式系统。器件集成了深度 FIFO 缓冲、硬件流量与调制解调器控制以及 IrDA 编码/解码功能，支持多种物理接口标准，适用于要求稳定通信与抗干扰能力的工业、通信和仪表类产品。
一、主要特性
- 单串口通道（1 通道 UART）
- FIFO 容量：64 Byte，提升数据吞吐与实时性
- 支持 RS-232 与 RS-485 两种接口类型
- 串口最大速率：5 Mbps，满足高速异步通信需求
- 工作电压：2.3 V ~ 3.6 V，兼容 3.3 V 系统
- 支持自动流量控制（硬件 RTS/CTS）
- 支持调制解调器控制信号（如 DTR/DSR 等）
- 内建 IrDA 编码器/解码器，便于红外通信扩展
- 工作温度范围：-40℃ ~ +95℃，适合工业级环境
- 封装：TSSOP-16，节省 PCB 面积
二、功能说明
SC16IS741AIPWJ 在单一芯片上实现了完整 UART 功能模块，64 字节硬件 FIFO 既可缓解主控处理器的中断负担，也能在高数据速率下保持数据连续性。器件提供自动硬件流量控制以避免数据溢出，同时支持常见的调制解调器控制信号，便于与带有 RTS/CTS 或 DTR/DSR 的外部设备连接。内置的 IrDA 编码/解码器使器件可直接用于红外链路（需配合相应的收发前端）。
三、典型应用场景
- 工业控制与自动化设备的串口通信模块
- 工业网关、数据采集器（支持 RS-485 多点网络）
- 工业仪表、PLC、变频器等与上位机的串口连接
- 支持 IrDA 的便携或固定通信链路
- 需要低电压、宽温度工作的嵌入式系统
四、封装与电源建议
器件提供 TSSOP-16 封装，适用于中小型 PCB 布局。推荐在电源引脚附近放置 0.1uF 陶瓷旁路电容，并在供电和接地之间做好去耦与地平面设计，以保证在高速（5 Mbps）通信下的稳定性。若使用 RS-232/RS-485 物理层，需要在芯片与外部物理收发器之间正确布线并考虑隔离与共模抑制。
五、设计注意事项
- RS-232 与 RS-485 是物理层标准，通常需外接匹配的收发器芯片以完成电平转换与差分驱动。
- 使用自动流量控制时，确保 RTS/CTS 控制线的时序与主控匹配，避免环路死锁。
- IrDA 功能使用时需配合红外收发器并注意协议速率与编码设置。
- 在工业现场建议做差分对布线（RS-485）与适当的终端匹配以降低反射和干扰。
六、优势总结
SC16IS741AIPWJ 以其工业级工作温度、宽电压范围、丰富的控制与编码功能，以及 64 字节 FIFO 和高达 5 Mbps 的速率，为对可靠性、抗干扰与性能有较高要求的嵌入式串口应用提供了实用且经济的解决方案。TSSOP-16 封装易于量产部署，是工业通信接口设计的优选元件。
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