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RENESAS ISL3172EIBZ-T ISL3172EIBZ
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RENESAS ISL3172EIBZ-T
- Type
- RENESAS
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- RENESAS
- Electronic Component
- ISL3172EIBZ-T
- Electronic Component
- 1
- Package
- SOIC-8
- Type
- Transceiver
- Electronic Component
- RS-485 / RS-422IC
- Electronic Component
- 0.348g
- Electronic Component
- 256
- Electronic Component
- 1
- Electronic Component
- BM0257222495
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 3V~3.6V
- Receiver
- 1
- Data
- 250Kbps
- Communication
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ISL3172EIBZ-T 产品概述
一、概述
ISL3172EIBZ-T 是瑞萨（RENESAS）系列的一款半双工差分通信收发器（半收发器），采用 SOIC-8 封装，集成 1 路驱动器和 1 路接收器，面向工业级串行总线应用。器件工作电压范围为 3.0V 至 3.6V，额定数据传输速率 250 kbps，支持 RS-422/RS-485 差分通信标准，适用于多节点（最多 256 节点）组网场合。
二、主要参数与特性
- 通信类型：半双工差分收发器（1 驱动器 / 1 接收器）
- 协议兼容：RS-422 / RS-485
- 工作电压：3.0 V ～ 3.6 V，适配 3.3V 系统
- 数据速率：最高 250 kbps（典型工业现场总线速率）
- 最大节点数：支持多达 256 个节点的总线拓扑
- 静态电流：510 μA（待机/静态电流，适合长期在线设备）
- 工作温度范围：-40 ℃ ～ +85 ℃（工业级）
- ESD 静电保护：±15 kV（人体模型），适应抗干扰需求强的环境
- 封装形式：SOIC-8，表面贴装，利于标准 PCB 组装工艺
三、典型应用场景
- 工业自动化现场总线与远程 I/O 通信
- 智能电表、楼宇自控与能源管理系统
- 可编程逻辑控制器（PLC）之间的差分通信链路
- 现场传感器网络、数据采集节点与网关设备
- 工业以太网或串行网关的串行侧接口
四、设计与布局建议
- 电源去耦：VCC 近旁放置 0.1 μF 陶瓷电容以抑制瞬态噪声。
- 差分线对布线：差分对保持对称并尽量短，避免长距离单端跳线以降低共模干扰。
- 终端与偏置：在总线两端考虑 120 Ω（或适配阻值）终端电阻；在多节点系统中使用偏置电阻/故障安全电路以保证空闲总线稳定电平。
- 保护措施：尽管器件内部提供高达 ±15 kV 的 ESD 能力，强干扰或雷击场合建议在入口处增加 TVS 抑制器或共模扼流圈以增强系统鲁棒性。
- 热与封装：SOIC-8 便于布板密度控制，常规功耗下无需额外散热措施，但应保证良好接地平面以利 EMC 表现。
五、选型注意与系统集成
ISL3172EIBZ-T 以低静态功耗、工业温度等级和强抗静电能力为突出优势，适合需要常在线、节点密集的差分网络。在选型时应确认目标系统对半双工通信的支持（总线仲裁与冲突防护），并根据拓扑与线长选择合适的数据速率和终端匹配元件。封装为标准 SOIC-8，便于替换和批量装配；若需卷带包装或其他封装形式，请参考供应商出货信息与物料编码。
总结：ISL3172EIBZ-T 是一款面向工业现场的低功耗、抗干扰能力强的 RS-422/RS-485 半收发器，适合 3.3V 系统和多节点网络应用，能够在-40 ℃ 到 +85 ℃ 的环境中稳定工作。若需更详细的电气特性和时序图，请参考瑞萨官方器件数据手册以完成最终设计验证。
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