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YLPTEC RSM3485PHT Isolated RS-485 Transceiver RSM3485PHT
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- YLPTEC RSM3485PHT
- Type
- YLPTEC
- Minimum package
- 30 管装
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- YLPTEC
- Electronic Component
- RSM3485PHT
- Electronic Component
- 1
- Package
- DIP-8
- Electronic Component
- Other Module
- Electronic Component
- 6.1g
- Electronic Component
- 128
- Electronic Component
- 1
- Features
- Data; Signal Isolated; Power Supply Isolated
- Electronic Component
- BM0258711708
- 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.
RSM3485PHT 产品概述
一、产品简介
RSM3485PHT 是 YLPTEC（易川）推出的一款高可靠性总线收发器解决方案，专为要求电气隔离与工业级稳定通信的场合设计。产品通过校验，适用于多节点分布式网络，支持高达500Kbps的数据速率，并在DIP-8 传统封装下提供易于生产与调试的穿孔安装形式，兼顾可靠性与可维护性。校验通过!
二、主要特性
- 数据速率：最高支持 500 Kbps，满足典型工业现场总线与控制网络需求。
- 工作电压：3.15 V ～ 3.45 V，适配 3.3V 系统电源。
- 隔离能力：隔离电压（Vrms）达 2500 V，提供强抗干扰与人员/系统安全隔离保障。
- 节点支持：理论支持最多 128 个节点，便于大规模分布式设备接入。
- 静态电流（Iq）：35 mA（静态工作电流），在功耗与驱动能力间取得平衡。
- 自动流控：内置自动流控机制，降低丢包与冲突风险，提高长链路稳定性。
- 静电保护：具有静电防护功能，提高现场装配与使用过程的抗损坏能力。
- 工作温度：-40 ℃ ～ +85 ℃，满足工业级温度范围要求。
- 封装形式：DIP-8，适合手工焊接、原型开发与传统 PCB 布局。
三、功能与应用优势
- 高可靠通信：500Kbps 与自动流控保证了在噪声环境中仍能维持稳定的数据传输。
- 安全隔离：2500Vrms 隔离可有效阻断高电压故障传播，保护下游电路与运维人员。
- 大规模节点支持：最多128节点的支持让系统拓展更灵活，适用于楼宇控制、楼宇自控与分布式测控系统。
- 易于集成：DIP-8 封装利于样机验证与替换维护，兼容多种开发平台与老旧设备改造。
四、典型应用场景
- 工业自动化现场总线、PLC 与远程 I/O 通讯；
- 楼宇控制系统、照明与安防分布式网络；
- 仪器仪表数据汇集与采集系统；
- 需要电气隔离的控制器与传感器接口场合；
- 教学、研发原型与设备维护场景（DIP-8 封装便于上板与替换）。
五、使用建议与注意事项
- 推荐在 3.15 V ～ 3.45 V 电源范围内使用，保证器件参数稳定；
- 在高噪声或长线传输场合配合差分线对、合理终端匹配电阻使用，以减少反射与误码；
- 隔离端与非隔离端应按照设计规范接地，确保持久可靠的隔离效果；
- 运行环境温度应控制在 -40 ℃ ～ +85 ℃ 范围内，超温可能影响寿命与性能；
- 由于静态电流为 35 mA，系统设计时需预留相应电源预算与散热考虑。
六、品质与可获性
RSM3485PHT 由 YLPTEC（易川）出品，产品通过校验，适配产业级应用。标准 DIP-8 封装便于备件管理与现场更换。欲获取样品、技术资料或应用支持，请联系 YLPTEC 授权经销商或技术支持渠道。
（以上信息基于给定基础参数整理，具体电气特性曲线、引脚定义及典型应用电路建议参考官方完整数据手册。）
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