WMSIC Electronic Components

TJA1042CT/0Z TJA1042CT

ModelTJA1042CT/0Z
PackageSO-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 TJA1042CT / 0Z
Type
NXP
Minimum package
2500 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
TJA1042CT/0Z
Electronic Component
1
Package
SO-8
Type
CAN Transceiver
Electronic Component
CAN Transceiver
Electronic Component
0.186g
Electronic Component
1
Channel Count
1
Features
ESD; TXD; Low Power
Electronic Component
BM0254942633
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.

TJA1042CT/0Z 产品概述

一、产品简介

TJA1042CT/0Z 是恩智浦(NXP)面向汽车与工业现场总线的 CAN 收发器,提供高达 5 Mbps 的数据传输能力。器件采用 SO-8(SOIC-8)封装,工作电压范围为 4.5 V 至 5.5 V,适配标准 5 V 数字系统。其工作温度范围宽(-40℃ 至 +150℃),并具有极低的静态电流(15 μA),在待机或休眠模式下可显著降低系统功耗,是对可靠性和耐环境性有较高要求应用的理想选择。

二、主要规格要点

  • 类型:CAN 收发器
  • 数据速率:最高 5 Mbps
  • 工作电压:4.5 V ~ 5.5 V
  • 工作电流:典型 70 mA(工作状态)
  • 静态电流:15 μA(待机/静态)
  • 工作温度:-40℃ ~ +150℃
  • 封装:SO-8(SOIC-8)
  • 品牌:NXP(恩智浦)

三、功能与应用场景

TJA1042CT/0Z 将微控制器的 UART/TTL/CMOS 电平信号转换为差分 CAN 总线信号(CAN_H/CAN_L),并反向译回以供控制器接收。其高数据速率支持车载子系统以及工业自动化中对实时性的要求。典型应用包括车身电子控制单元(BCM)、动力系统外设、车载诊断、车辆网关、以及需要高可靠通信的工业控制与楼宇自动化系统。

四、设计与使用要点

  • 电源与旁路:建议在 VCC 端放 0.1 μF 的高频旁路电容并靠近封装引脚布置,以抑制供电瞬变。
  • 总线终端:在 CAN_H 与 CAN_L 末端使用 120 Ω 差分终端电阻以保证信号完整性。
  • PCB 布局:尽量将 CAN_H/CAN_L 差分走线配对并最短化,避免穿过 noisy 区域;VCC 和 GND 的回流路径应尽量短。
  • 散热与电流:工作电流约为 70 mA,长时间大电流工作时需注意 PCB 散热设计,靠近地平面布铜以利散热。
  • 保护与兼容性:该器件适合汽车环境,结合适当的过压、反接及ESD防护设计能进一步提高系统可靠性。具体保护特性应参考原厂数据手册确认。

五、优势与注意事项

优势在于高达 5 Mbps 的速率、适配 5 V 系统的工作电压范围、极低的静态电流以及宽温工作能力,适用于对功耗和环境适应性有要求的车载与工业应用。注意在设计中应遵循厂商推荐的引脚连接与 PCB 布局规范,核实实际系统工作条件下的电流和温升,并参考官方数据手册获取详细的引脚定义、时序、容限与保护特性。

六、结语

TJA1042CT/0Z 是一款面向严苛环境的高性能 CAN 收发器,兼顾高速通信、低待机功耗与宽温漂移能力。对于需要可靠 CAN 通信接口、在汽车或工业现场长期运行的设备,是值得考虑的器件。欲获更详细的电气特性、引脚图和应用电路,请参阅 NXP 官方数据手册与参考设计。

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