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YLPTEC TD321D485H-A TD321D485H
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- YLPTEC TD321D485H-A
- Type
- YLPTEC
- Minimum package
- 30 管装
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- YLPTEC
- Electronic Component
- TD321D485H-A
- Electronic Component
- 1
- Package
- DIP-8
- Electronic Component
- RS485Bus Module
- Electronic Component
- 5.818g
- Electronic Component
- 128
- Electronic Component
- 1
- Features
- Data; Signal Isolated; Power Supply Isolated
- Electronic Component
- BM0258715885
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 3.15V~3.45V
- Data
- 500Kbps
- Electronic Component
- Electronic Component
- Static Current(Iq)
- 35mA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
TD321D485H-A 半双工RS-485收发器产品概述
一、产品定位与核心功能
TD321D485H-A是YLPTEC（易川）推出的工业级半双工RS-485收发器，核心用于实现差分信号的发送与接收，支持多节点组网通信。该器件集成自动流控功能，可简化系统软件设计，同时具备电气隔离与静电防护特性，能适应复杂工业环境下的可靠数据传输需求，是工业自动化、楼宇自控等场景的理想通信组件。
二、关键性能参数解析
1. 数据传输能力
支持最高500Kbps的数据速率，满足工业现场常见的传感器数据采集、设备状态监控等实时性需求，传输延迟低，可确保多节点通信的同步性。
2. 供电与功耗
- 工作电压范围：3.15V~3.45V，兼容主流MCU的3.3V供电系统，电源波动下仍能稳定工作，无需额外稳压电路；
- 静态电流：仅35mA，低功耗设计适合电池供电或对功耗敏感的设备（如便携式监测终端）。
3. 组网与隔离特性
- 节点数：最大支持128个节点组网，可构建大型工业总线系统（如Modbus RTU网络）；
- 隔离电压：2500Vrms，有效抑制共模干扰、浪涌电压，保护前端电路与后端MCU免受电气冲击（如雷电、设备接地环路噪声）。
4. 环境适应性
工作温度范围覆盖**-40℃~+85℃**，符合工业级温宽标准，可在户外、车间等温差较大的恶劣环境中稳定运行（如冬季户外传感器、夏季车间设备）。
三、可靠性与防护特性
该器件内置静电保护电路，可抵御常见静电放电干扰（如人体接触、设备插拔产生的ESD），提升现场使用的抗干扰能力；2500Vrms的隔离设计不仅能隔离不同电位的电路，还能防止接地环路带来的共模噪声，进一步增强系统可靠性。
四、典型应用场景
TD321D485H-A因具备多节点、宽温、隔离等特性，适用于以下场景：
- 工业自动化：PLC、DCS系统之间的通信，传感器与控制器的数据交互；
- 楼宇自控：门禁系统、照明控制、暖通设备的组网通信；
- 智能电网：电表远程抄表、配电监控系统的数据传输；
- 轨道交通：车载设备（如列车控制系统、乘客信息系统）的内部通信。
五、封装与使用便捷性
采用DIP-8通孔封装，引脚布局符合RS-485收发器标准规范，无需额外适配电路，可直接焊接在PCB板上，适合原型开发阶段的快速验证与批量生产。封装尺寸紧凑，可节省PCB空间，便于设备小型化设计。
TD321D485H-A通过平衡性能、可靠性与易用性，为工业通信场景提供了高性价比的解决方案，可满足大多数中低速多节点组网的需求。
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