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RENESAS ISL3177EIBZ-T ISL3177EIBZ
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RENESAS ISL3177EIBZ-T
- Type
- RENESAS
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- RENESAS
- Electronic Component
- ISL3177EIBZ-T
- Electronic Component
- 1
- Package
- 8-SOIC
- Type
- Transceiver
- Electronic Component
- RS-485 / RS-422IC
- Electronic Component
- 0.11g
- Electronic Component
- 256
- Electronic Component
- 1
- Electronic Component
- BM0264843411
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 3V~3.6V
- Receiver
- 1
- Data
- 20Mbps
- Communication
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ISL3177EIBZ-T 产品概述
一、产品简介
ISL3177EIBZ-T 是瑞萨（RENESAS）推出的完全版双工差分收发器，集成 1 个驱动器与 1 个接收器，支持 RS-422 与 RS-485 协议的全双工通信。器件工作电压范围为 3.0V 至 3.6V，数据速率高达 20 Mbps，适用于对带宽和可靠性有较高要求的工业与仪表场景。
二、主要参数一览
- 类型：收发器（Transceiver）
- 驱动器/接收器：1 / 1（全双工）
- 工作电压：3.0V ~ 3.6V
- 数据速率：最高 20 Mbps
- 总节点数：最多支持 256 个节点（在使用低单元负载器件时）
- 静态电流（静态功耗）：约 510 μA，适合低功耗及电池供电系统
- 静电保护：高达 ±15 kV（IEC 61000-4-2 级别）
- 工作温度：-40 ℃ ~ +85 ℃
- 封装：8-SOIC
三、功能与优势
- 全双工通信：独立发送与接收对，适用于需要同时双向传输的应用，避免半双工切换延时。
- 宽温与高抗扰：-40~85℃ 工业级温度和 ±15 kV ESD 抗扰能力，适用于恶劣环境。
- 低静态电流：510 μA 的空闲功耗，有助于系统节能设计。
- 高节点支持：设计上可支持多达 256 节点的总线拓扑，满足大规模分布式网络需求。
- 紧凑封装：8-SOIC 便于 PCB 布局与密集安装。
四、典型应用场景
- 工业自动化与现场总线接口（PLC、I/O 模块）
- 楼宇控制、安防监控与楼宇总线系统
- 数据采集、远程测控与传感器网络
- 电机控制与伺服系统的远端通信链路
五、设计与使用建议
- 终端匹配：在总线两端并联差分终端电阻（常用 120 Ω）以减少反射。
- 偏置与故障保护：若需要总线空闲保持确定电平，可配置拉高/拉低偏置电阻（根据系统阻抗选择，常见范围 1 kΩ~10 kΩ）。
- 电源去耦：VCC 旁放置 0.1 μF 陶瓷与 1 μF~10 μF 电解电容以稳定供电并抑制瞬态。
- EMI/浪涌防护：在恶劣工业环境下，可在差分对上增加共模电感或 TVS 器件以提升抗浪涌能力。
- 布线：差分对走线需等长并靠近，控制阻抗以保证 20 Mbps 的信号完整性；地线连接要低阻并避免回路环路。
六、可靠性与选型提示
ISL3177EIBZ-T 在工业级温度和高 ESD 抗扰下表现稳健，且低静态电流特性便于低功耗设计。选型时请依据系统拓扑（全双工需独立 TX/RX 对）、节点数与线缆长度评估链路终端和偏置方案，必要时配合差分隔离和浪涌保护以满足现场安装要求。
总结：ISL3177EIBZ-T 提供了在 3.0–3.6V 供电下兼顾高速（20 Mbps）、高抗扰（±15 kV）与低功耗（510 μA）特性的全双工 RS-422/RS-485 收发方案，适合工业和楼宇等对可靠性与通信性能有较高要求的应用。
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