WMSIC Electronic Components

TJA1042T/3,118 TJA1042T

ModelTJA1042T/3,118
Package8-SO
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 24+

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Technical data

Product details

19 specifications

Core information

Product name
NXP TJA1042T / 3, 118
Type
NXP
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
TJA1042T/3,118
Electronic Component
1
Package
8-SO
Type
CAN Transceiver
Electronic Component
CAN Transceiver
Electronic Component
0.185g
Electronic Component
1
Channel Count
1
Features
ESD; TXD; Low Power
Electronic Component
BM0265088104
Operating Temperature
40℃~+150℃
Operating Voltage
4.5V~5.5V
Operating Current
70mA
Data
5Mbps

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

TJA1042T/3,118 CAN总线收发器产品概述

一、产品核心定位与品牌背景

TJA1042T/3,118是恩智浦(NXP)推出的半双工CAN总线收发器,属于其经典TJA系列CAN接口器件。作为CAN(控制器局域网)系统的核心物理层元件,该器件实现了微控制器(MCU)与CAN总线之间的信号转换,支持1:1收发通道配置,适配工业级与汽车级的严苛通信需求。恩智浦在汽车电子、工业通信领域的技术积累,确保了器件的可靠性与兼容性,是车载及工业系统中CAN总线通信的主流选择之一。

二、关键电气性能参数

TJA1042T/3,118的电气参数针对复杂应用场景优化,核心性能如下:

  1. 数据传输速率:支持最高5Mbps的通信速率,满足CAN总线高速通信场景(如汽车动力系统、工业实时控制)的需求;
  2. 电源适应性:工作电压范围为4.5V~5.5V,兼容汽车电子常用的5V电源系统,可应对电源波动带来的影响;
  3. 功耗特性:典型工作电流70mA,静态电流仅15μA,低待机功耗设计适合长期待机系统(如车载休眠模式);
  4. 温度可靠性:工作温度覆盖-40℃~+150℃,满足汽车发动机舱、工业高温环境等严苛温度场景;
  5. 抗干扰与兼容性:符合ISO 11898-2标准,支持差分信号传输,具备良好的共模干扰抑制能力(典型共模电压范围-2V~+7V),可稳定应对电磁干扰复杂环境。

三、封装与物理特性

该器件采用8-SO(小外形封装),引脚数量为8个,封装尺寸紧凑(典型尺寸约5.2mm×6.2mm),适合PCB空间紧张的应用(如车载控制器、小型工业模块)。引脚定义清晰,主要包括电源(VCC)、地(GND)、发送端(TXD)、接收端(RXD)、CAN差分线(CANH、CANL)等关键引脚,便于电路设计与焊接。8-SO封装热性能良好,可适配宽温环境下的长期稳定工作。

四、典型应用领域

TJA1042T/3,118的性能特点使其广泛应用于以下场景:

  1. 汽车电子:车载动力系统(发动机控制、变速箱管理)、车身控制系统(灯光、门窗)、车载诊断系统(OBD)等,利用宽温、高速特性适配汽车复杂环境;
  2. 工业自动化:工业现场总线(PLC、传感器网络)、机器人控制系统、智能工厂设备等,满足工业环境的温度与抗干扰需求;
  3. 医疗设备:部分需要宽温与高可靠性的医疗仪器(如便携式诊断设备),借助低功耗提升设备续航;
  4. 消费电子:高端智能家居、工业级无人机等,利用CAN总线可靠性实现多节点通信。

五、主要优势亮点

  1. 宽温可靠性:-40℃~+150℃的温度范围,覆盖汽车发动机舱(125℃典型值)、工业高温车间,无需额外散热即可稳定工作;
  2. 低功耗待机:15μA静态电流远低于同类器件,可有效降低系统待机功耗,延长电池续航(如车载休眠模式减少电量消耗);
  3. 高速通信支持:5Mbps速率满足CAN总线高速需求,实现实时数据传输(如汽车动力系统实时控制信号);
  4. 电源兼容性:4.5V~5.5V宽电压范围,兼容不同品牌MCU的5V电源输出,减少电源适配电路设计;
  5. 品牌可靠性:恩智浦器件经过AEC-Q100汽车级认证,品质与寿命有保障,适合长期稳定运行的系统。

TJA1042T/3,118凭借宽温、低功耗、高速率与高可靠性,成为CAN总线通信领域的经典器件,广泛适配汽车、工业等多领域应用需求,是系统设计中CAN接口的优选方案之一。

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