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RENESAS ISL3179EIBZ-T ISL3179EIBZ
Configuration
1 options
Configuration
22+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RENESAS ISL3179EIBZ-T
- Type
- RENESAS
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- RENESAS
- Electronic Component
- ISL3179EIBZ-T
- Electronic Component
- 1
- Package
- SOIC-8
- Type
- Transceiver
- Electronic Component
- RS-485 / RS-422IC
- Electronic Component
- 0.186g
- Electronic Component
- 160
- Electronic Component
- 1
- Features
- Tx / Rx;;;; Low Power
- Electronic Component
- BM0257394539
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 3.3V
- Receiver
- 1
- Data
- 40Mbps
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ISL3179EIBZ-T 产品概述
一、概述
ISL3179EIBZ-T 是瑞萨（Renesas）推出的一款高抗扰的半双工收发器，集成 1 路驱动器和 1 路接收器，兼容 RS-422/RS-485 差分通信标准，工作电源为 3.3V。器件适用于多点总线场景，支持最高 40 Mbps 的数据速率，并能在总线上支持多达 160 个节点，适配工业级应用的严苛要求。
二、主要性能特点
- 工作电压：3.3V，适配常见低压逻辑系统。
- 数据速率：最高 40 Mbps，满足高速差分串行链路需求。
- 节点容量：支持多达 160 个节点，便于大规模多点组网。
- 静电保护：对 I/O 具有高达 ±16.5 kV 的静电抗扰能力，提高现场可靠性。
- 工作温度：-40℃ 至 +85℃，覆盖工业温区。
- 封装：SOIC-8，便于常见 PCB 工艺和自动化装配。
三、典型应用场景
- 工业自动化通信网关、PLC 与远程 I/O。
- 楼宇自控、安防设备之间的长距离差分通信。
- 电机控制与驱动器的数据回传与监测。
- 需要高节点数或高抗扰性的多点串行总线系统。
四、设计与使用建议
为获得稳定可靠的通信性能，建议遵循以下要点：
- 差分信号线上在远端并联 120Ω 终端电阻以抑制反射，必要时在本端使用匹配网络。
- 总线空闲时采用偏置电阻实现 fail-safe（将 A/B 线拉到已知电平），避免浮空误触发。
- VCC 旁靠近芯片放置 0.1µF 陶瓷去耦电容，减小电源噪声对收发器的影响。
- 布线时保持差分对阻抗连续、长度匹配，尽量远离强干扰源与数字时钟线。
- 接口处可配合 TVS 等浪涌保护器件，提升系统的现场抗扰能力。
五、可靠性与合规性提示
ISL3179EIBZ-T 设计面向工业场景，宽温工作范围和高静电抗扰能力使其适合现场总线环境。针对带电扰动和共模干扰的系统级设计仍然重要：建议在系统层面做屏蔽、接地和浪涌抑制，以满足应用现场的电磁兼容需求。
六、封装与采购信息
该器件以 SOIC-8 封装提供，易于表面贴装与波峰/回流焊工艺。购买时请确认封装代码与温度等级（-40℃ 至 +85℃）满足项目需求，并向授权分销商或瑞萨官方渠道获取最新的型号、库位与交期信息。
总结：ISL3179EIBZ-T 适合需要高节点数、较高速率且抗扰能力强的差分串行通信场合。结合适当的总线终端与抗扰措施，可为工业与楼宇控制等多点网络提供稳定可靠的物理层保障。
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