WMSIC Electronic Components

TJA1055T/3/1J TJA1055T

ModelTJA1055T/3/1J
PackageSOIC-14
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
NXP TJA1055T / 3 / 1J
Type
NXP
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
TJA1055T/3/1J
Electronic Component
1
Package
SOIC-14
Type
CAN Transceiver
Electronic Component
CAN Transceiver
Electronic Component
0.21g
Electronic Component
1
Channel Count
1
Features
ESD; TXD;; Low Power; Bus
Electronic Component
BM0233538521
Operating Temperature
40℃~+125℃
Operating Voltage
4.75V~5.25V
Operating Current
21mA
Data
125Kbps

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

TJA1055T/3/1J 产品概述

一、产品简介

TJA1055T/3/1J 是恩智浦(NXP)面向 CAN 总线物理层的半双工收发器,采用 SOIC-14 封装设计,适用于车载与工业控制等对可靠性与温度等级要求较高的场合。器件将控制器(MCU、MCU 外围 CAN 控制器)的逻辑 TX/RX 信号与差分 CAN 总线(CAN_H/CAN_L)之间的电平与驱动能力进行转换,为网络节点提供稳定的物理链路。

二、主要技术参数

  • 类型:CAN 收发器(半收发器 1-to-1)
  • 数据速率:125 kbps(适用于低速/中速 CAN 应用)
  • 工作电压:4.75 V ~ 5.25 V
  • 工作电流:典型 21 mA
  • 工作温度:-40 ℃ ~ +125 ℃(适宜车载级与工业级工作环境)
  • 封装:SOIC-14(便于贴片组装与散热)

三、功能与特点

  • 将差分 CAN 信号与单端逻辑信号互换,支持标准 CAN 物理层通信。
  • 适配 5V 系统电源,典型工作电流低,有利于节点能耗控制。
  • 宽温度范围满足车载与工业应用要求,保证恶劣环境下的可靠性与长期稳定性。
  • SOIC-14 封装利于生产与调试,便于保留必要的引脚用于配置或诊断。

四、典型应用场景

  • 车载网络(车身电子、车灯控制、车门控制单元等低速 CAN 区域)
  • 工业自动化现场总线节点、机械控制器间的数据传输
  • 其他需要稳定差分传输与 5V 主控接口的嵌入式通信场景

五、设计与使用建议

  • 电源去耦:VCC 近端放置 100 nF 陶瓷电容并并联较大容量的电解电容,抑制瞬态电流。
  • 总线终端:推荐在总线两端采用 120 Ω 差分终端电阻,避免反射与信号失真。
  • 布线:CAN_H/CAN_L 保持差分对、等长并尽量靠近地平面;收发器到控制器的 TX/RX 短走线。
  • 抗干扰与保护:在易受干扰区域使用常见的 TVS 或共模滤波器,布置适当的接地与屏蔽策略。
  • 热与功耗:21 mA 的工作电流对应的功耗在 5V 下约为 105 mW,常规封装下散热通常充足,但密集布局时应留意周边发热元件。

六、可靠性与注意事项

  • 工作温度覆盖工业/车载常见温区,适合长期在宽温区运行。
  • 在进行节点级测试时,应验证总线上的 recessive/dominant 状态切换、总线短路和开路情况下的行为以及系统级的电磁兼容性(EMC)。
  • 设计中保留诊断引脚与可替换焊盘,便于量产后快速替换或调试。

总结:TJA1055T/3/1J 是一款面向 5V 系统、工作温度宽、适合 125 kbps 速率应用的 CAN 收发器,封装与电气特性使之在车载与工业控制等场合具有良好的适用性。按照上文建议进行电源、终端与布线设计,可最大限度发挥其稳定通信的能力。

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