WMSIC Electronic Components

TJA1051T/1J TJA1051T

ModelTJA1051T/1J
PackageSOIC-8
BrandNXP
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
NXP TJA1051T / 1J
Type
NXP
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
TJA1051T/1J
Electronic Component
1
Package
SOIC-8
Type
CAN Transceiver
Electronic Component
CAN Transceiver
Electronic Component
0.193g
Electronic Component
1
Features
Integrated Level positions; ESD; TXD; Low Power
Electronic Component
BM0230874710
Operating Temperature
40℃~+150℃
Operating Voltage
4.5V~5.5V
Operating Current
70mA
Data
5Mbps
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.

TJA1051T/1J 产品概述

一、核心参数

  • 品牌:NXP(恩智浦)
  • 器件类型:单通道高速 CAN 收发器(SOIC-8 封装)
  • 数据速率:最高 5 Mbps
  • 工作电压:4.5 V ~ 5.5 V
  • 工作温度:-40 ℃ ~ +150 ℃
  • 封装:SOIC-8(8 引脚)
  • 描述关键词:半-收发器-1-1-CANbus-8-SO(单通道、半/收发功能、CAN 总线接口)

二、主要功能与特性

  • 支持高达 5 Mbps 的差分总线通信,满足对实时性要求较高的车载或工业网络节点。
  • 工作电压 4.5–5.5 V,兼容典型 5 V 车用与工业供电环境。
  • 宽温度等级(-40 ℃ ~ +150 ℃),适合严苛环境下长期运行。
  • 差分驱动与差分接收,提供良好共模抑制与抗干扰性能。
  • 内置故障保护机制(如短路保护、总线故障检测、热关断等),提高系统可靠性。
  • 支持低功耗待机/唤醒功能,适用于节能或待机场景(具体功能与引脚配置请查看数据手册)。
  • 兼顾电磁兼容性(EMC)设计,可配合外部斜率控制或抑制元件降低干扰。

三、典型引脚功能(概览)

SOIC-8 封装的典型引脚包括但不限于:

  • VCC:供电引脚(4.5–5.5 V)
  • GND:地
  • TXD:发送数据输入(来自 MCU)
  • RXD:接收数据输出(到 MCU)
  • CAN_H / CAN_L:差分总线对,用于连接总线线缆及终端电阻
  • EN / STB / Rs(若存在):使能或斜率控制/待机配置引脚
  • NC 或 保留脚:无连接或厂商定义功能
    备注:具体引脚排列、命名与功能以器件数据手册为准,设计前请参照官方文档确认。

四、典型应用场景

  • 汽车电子:ECU 间通信、空气囊、制动系统、车身控制模块、仪表与网关等。
  • 工业控制:运动控制器、PLC 与传感器网络、装配线通讯节点。
  • 机器人与自动化:驱动器与传感器模块间的高速可靠通信。
  • 航海、轨道与其它恶劣环境应用:要求宽温、高可靠性的分布式控制总线。

五、设计与使用建议

  • 总线终端:在 CAN 总线两端各并联一个 120 Ω 终端电阻以保证阻抗匹配。
  • 去耦与滤波:VCC 近端放置 0.1 µF 陶瓷去耦,并视需添加 1 µF 以上大电容以稳定电源。
  • 共模与差模保护:必要时在 CAN_H/CAN_L 上并联瞬态抑制 (TVS) 二极管以提高浪涌/ESD 抗扰能力;对敏感应用考虑共模电感。
  • PCB 布局:尽量缩短 CAN_H/CAN_L 与收发器之间的连线,保证差分对成对布线并控制阻抗。将敏感信号远离高电流回路以减小干扰。
  • 热管理:器件虽标称最高温度可达 +150 ℃,但长期高温运行仍需关注散热与系统可靠性,避免长期满载在高温极限工况下工作。
  • 兼容性验证:在引入到量产之前,做总线负载、振铃、共模干扰和 EMC 测试,验证满足系统需求。

六、选型与可靠性考量

  • 若用于车规级系统,请确认具体型号是否具有 AEC-Q100 认证或厂商提供的车规合规声明。
  • 对关键应用建议与供应商确认器件的长期可靠性数据、寿命循环与批次稳定性。
  • 在高温或严苛振动环境,结合系统级散热、封装应力与 PCB 可靠性分析做整体评估。

总结:TJA1051T/1J 为面向 5 V 供电的单通道高速 CAN 收发器,适合需要高数据速率与宽温度适应能力的车载或工业网络节点。具体电气参数、引脚定义与典型应用电路请以 NXP 官方数据手册为准,设计时结合总线拓扑与 EMI/ESD 保护方案以确保系统稳定可靠。

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