WMSIC Electronic Components

TJA1028T/3V3/20/DZ TJA1028T

ModelTJA1028T/3V3/20/DZ
PackageSOT-96-1
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+

Available for RFQ

Technical data

Product details

17 specifications

Core information

Product name
NXP TJA1028T / 3V3 / 20 / DZ
Type
NXP
Unit
Electronic Component
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
TJA1028T/3V3/20/DZ
Electronic Component
1
Package
SOT-96-1
Electronic Component
Specialized Power Management(PMIC)
Electronic Component
0.353g
Electronic Component
1
Features
Built-in LDORegulator
Electronic Component
BM0265968517
Electronic Component
Electronic Component
Electronic Component
2500

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

TJA1028T/3V3/20/DZ LIN总线收发器产品概述

TJA1028T/3V3/20/DZ是恩智浦(NXP)推出的一款半双工LIN总线收发器,作为LIN网络的物理层核心接口器件,广泛适配汽车电子及工业低速率通信场景。以下从核心功能、技术参数、应用适配等维度展开详细概述。

一、产品定位与核心功能

该器件属于LIN(Local Interconnect Network)总线收发器范畴,核心作用是实现微控制器(MCU)与LIN总线之间的信号双向转换:

  • 发送端:将MCU输出的3.3V逻辑电平转换为LIN总线的差分信号,驱动总线完成数据传输;
  • 接收端:将LIN总线接收到的差分信号还原为逻辑电平,传输给MCU进行数据处理。

其1发1收的配置满足单节点LIN通信需求,半双工模式支持节点间双向数据交互,无需额外配置收发切换电路,是LIN网络中连接MCU与总线的关键组件。

二、关键技术参数解析

  1. 协议兼容性:严格遵循LIN总线协议标准,适配LIN2.0、2.1及3.0版本,可与各类LIN主节点(如车身控制模块BCM)及从节点(传感器、执行器)无缝兼容;
  2. 抗干扰特性:接收器具备200mV的滞后电压,可有效抑制总线信号中的噪声波动(如电磁干扰导致的电平波动),避免误接收,提升通信可靠性;
  3. 供电适配:采用3.3V单电源供电,与主流MCU(如ARM Cortex-M系列)供电电压完全匹配,无需电平转换电路,简化系统设计并降低功耗;
  4. 收发器配置:内置1个LIN总线驱动器和1个接收器,半双工通信模式,支持节点间双向数据传输。

三、应用场景适配性

该器件主要针对汽车电子领域的LIN子网络设计,典型应用包括:

  • 车身控制场景:车窗升降、后视镜调节、座椅加热/通风、氛围灯控制等LIN从节点;
  • 动力辅助场景:节气门位置传感器、燃油泵控制模块的LIN通信;
  • 工业低速率场景:部分工业自动化中对通信速率要求不高(LIN最高19.2kbps)、成本敏感的节点(如小型传感器网络)。

四、封装与安装特性

采用8-SOIC(小外形集成电路)封装,具体规格为0.154英寸(3.90mm)宽度,表面贴装型(SMD)设计:

  • 尺寸紧凑:节省PCB布局空间,适合车载高密度电路(如BCM模块、仪表板);
  • 工艺兼容:表面贴装工艺适配自动化生产设备,提升批量生产效率;
  • 引脚兼容:与同类LIN收发器引脚布局一致,便于系统升级或替换。

五、环境适应性优势

针对汽车及工业场景的极端环境需求,该器件具备以下适应性:

  • 宽温度范围:工作温度覆盖-40°C至150°C,可承受车载极端温度(如发动机舱高温、北方冬季低温);
  • EMI防护:LIN差分传输特性结合200mV滞后设计,有效抵御车载电磁干扰(如点火系统、电机噪声);
  • 保护功能:内置过流截止、过温关断等基本保护,防止总线短路或过热损坏器件。

六、品牌与可靠性保障

作为恩智浦汽车级产品,TJA1028T/3V3/20/DZ具备高可靠性:

  • 符合AEC-Q100汽车电子可靠性标准,通过振动、湿度、温度循环等严苛测试;
  • 恩智浦汽车电子技术积累,确保器件一致性与稳定性,降低批量应用故障率;
  • 完善技术资料(datasheet、应用笔记),便于工程师快速完成系统设计与调试。

总结

TJA1028T/3V3/20/DZ凭借LIN协议兼容性、宽温度范围、紧凑封装及高可靠性,成为汽车电子LIN网络及工业低速率通信场景的优选收发器,可有效简化系统设计并提升通信稳定性。

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