WMSIC Electronic Components

YLPTEC TD301DCANH3

ModelTD301DCANH3
PackageDIP-7
BrandYLPTEC
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
YLPTEC TD301DCANH3
Type
YLPTEC
Minimum package
30 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YLPTEC
Electronic Component
TD301DCANH3
Electronic Component
1
Package
DIP-7
Electronic Component
Other Module
Electronic Component
6g
Electronic Component
1
Features
Electronic Component
Electronic Component
BM0265023126
Operating Voltage
3.15V~3.45V
Data
1Mbps
Isolation
Isolated
Output Interface
CANInterface
Static Current(Iq)
44mA
Electronic Component
Electronic Component

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

TD301DCANH3 产品概述 — YLPTEC(易川)

TD301DCANH3 是易川(YLPTEC)推出的一款隔离式 CAN 总线收发器,采用 DIP-7 封装,针对对可靠性与系统隔离有较高要求的嵌入式通信场景设计。该器件支持高达 1 Mbps 的标准 CAN 数据速率,工作电源为 3.15V ~ 3.45V,静态工作电流(Iq)为 44 mA,并集成显性超时保护功能,可有效提高总线鲁棒性与故障恢复能力。

一、产品定位与简介

  • 定位:隔离式 CAN 收发器,适合需要信号/电源隔离的工业控制、楼宇自控、测量与采集模块及部分汽车电子原型开发场景。
  • 封装:DIP-7,便于面包板调试与传统 PCB 插装设计,利于快速样机验证与小批量生产。

二、主要规格参数

  • 接口类型:CAN 接口(差分收发)。
  • 最大速率:1 Mbps(符合 ISO 11898 标准速率级别)。
  • 隔离:带隔离(光电/磁隔离实现,具体隔离电压请参阅完整 datasheet)。
  • 工作电压:3.15 V ~ 3.45 V(单电源供电)。
  • 静态电流:Iq = 44 mA(器件工作静态电流,设计电源预算时须考虑)。
  • 关键特性:显性超时(dominant timeout)用于避免节点长时间拉低线缆导致总线锁死。
  • 封装:DIP-7(便于手工焊接与快速验证)。

三、显性超时功能说明

显性超时用于在节点异常(例如 TX 锁定或程序卡死)导致长时间输出显性(Dominant)状态时,自动释放驱动以恢复总线空闲态,从而避免单个故障节点导致整个总线通信中断。该功能对提高系统可用性和现场故障排查非常重要。设计时应评估超时行为与上层协议的兼容性,并在必要时配合软件策略进行再检测与重试。

四、典型应用场景

  • 工业现场总线网关与分布式 I/O 模块(需要两侧电位隔离)。
  • 电力测控、楼宇控制系统中的长线差分通信。
  • 嵌入式 CAN 网络实验与教学,原型验证(DIP-7 便于面包板实验)。
  • 医疗设备与测试设备中要求低干扰与安全隔离的通信节点。

五、设计与使用建议

  • 电源与旁路:工作电压范围较窄,建议采用稳定的 3.3V 参考电源,并在 VCC 近端放置 0.1 µF 与 1 µF 旁路电容以抑制瞬态。
  • 总线匹配:在总线两端按需使用 120 Ω 差分终端电阻以抑制反射;如多节点分布需考虑分布阻抗。
  • 隔离布局:板上应保证输入侧与输出侧的爬电距离与孔间距符合隔离等级要求,避免在隔离边界穿越高速信号线或大电流回路。
  • 电源预算:静态电流 44 mA 在多节点系统中会带来显著耗电,应在系统电源设计中考虑并评估散热。
  • 总线故障处理:配合显性超时功能,增加软件层检测与重试机制,防止重复异常导致节点频繁复位。

六、封装与选购提示

  • 封装为常用的 DIP-7,适合快速原型设计与低成本手工装配。量产时可评估是否采用适配的 SMD 版本以提升组装效率。
  • 订购时请确认完整型号(TD301DCANH3)与批次,获取最新的 datasheet 以确认隔离电压、典型传输延时、保护特性(如热关断、短路保护)等详细参数。

TD301DCANH3 在保证隔离与通信速率的同时,提供了显性超时等实用防护特性,适合对可靠性和调试便利性有明确要求的 CAN 总线设计。建议在最终系统设计前参考完整技术手册并在目标环境中进行充分试验验证。

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