WMSIC Electronic Components

TJA1027TK/20/1J TJA1027TK

ModelTJA1027TK/20/1J
Package8-HVSON(3x3)
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

19 specifications

Core information

Product name
NXP TJA1027TK / 20 / 1J
Type
NXP
Minimum package
6000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
TJA1027TK/20/1J
Electronic Component
1
Package
8-HVSON(3x3)
Type
Transceiver
Electronic Component
LIN Transceiver
Electronic Component
0.178g
Electronic Component
1
Features
Bus;;; TXD; Bus; Low Power
Electronic Component
BM0262715409
Operating Temperature
40℃~+150℃
Operating Voltage
5V~18V
Receiver
1
Driver
1
Receiver
175mV

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

TJA1027TK/20/1J 产品概述

一、产品简介

TJA1027TK/20/1J 是恩智浦(NXP)面向汽车和工业网络环境设计的一款 LIN 总线收发器(1 发1 收)。器件以 8‑引脚 HVSON(3×3 mm)封装提供,支持宽工作电压范围并能在苛刻环境下可靠运行,适合作为车载从节点或点到点通信模块的物理层接口器件。

二、主要参数一览

  • 类型:收发器(Transceiver)
  • 驱动器数:1,接收器数:1
  • 工作电压范围:5 V ~ 18 V(适配汽车蓄电池及瞬态)
  • 接收器滞后(Hysteresis):175 mV(提高噪声抑制与抗抖动能力)
  • 工作温度范围:−40 °C ~ +150 °C(高温耐受,适合车规级应用)
  • 封装:8‑HVSON(3×3 mm)带底部热焊盘

三、功能特性

  • LIN 总线收发:实现主/从节点或点对点 LIN 通信所需的发送与接收功能。
  • 宽电压容限:5–18V 供电范围能容纳汽车电源波动与启动/关闭瞬态。
  • 接收器滞后 175 mV:在总线电平漂移和噪声存在时仍能稳定判决,提升通信可靠性。
  • 宽温工作:适用于发动机舱及车内受热场景,保证长期可靠性。
  • 紧凑封装:8‑HVSON(3×3)节省 PCB 面积,同时便于热量通过底部焊盘散逸。

四、典型电气与功能描述

TJA1027TK/20/1J 在系统中通常通过 VCC(电源)、GND、TX(输入)、RX(输出)及 BUS(LIN 总线)等引脚与主控 MCU 及总线相连。驱动器将 MCU 的 TX 信号转换为总线电平以驱动网络,接收器将总线状态回传至 MCU 的 RX。175 mV 的接收器滞后有助于抑制短时噪声与线路抖动,减少误触发。器件针对汽车环境设计,常见的保护与诊断功能(如短路/开路检测、唤醒功能、过温关断等)可在系统层面配合使用以提升整车的容错能力。

五、封装与热管理建议

8‑HVSON(3×3)封装带有底部暴露焊盘(EP),建议在 PCB 上为焊盘设计足够的焊接面积和热过孔以利于散热。器件近总线侧线路应尽量短且宽,避免长高阻抗走线导致信号退化。电源端应靠近器件放置去耦电容(陶瓷 + 钽电容组合),以抑制供电瞬态。

六、典型应用场景与设计要点

  • 汽车车门、座椅、后备箱控制模块等 LIN 从节点。
  • 辅助电子模块(温度传感、照明控制、传感器集成节点)。
    设计时注意总线终端、网络拓扑、唤醒策略与故障诊断信号的配合;在总线易受干扰的环境中,可加装额外滤波或共模抑制元件。

七、物料与选型参考

选择 TJA1027TK/20/1J 时,应确认所需封装(8‑HVSON 3×3)、工作温度等级及供货批次(车规认证/工业等级)。开发阶段建议参考恩智浦官方数据手册与参考设计,遵循样片评估流程并进行系统级电磁兼容与热性能验证。

总结:TJA1027TK/20/1J 以其宽电压范围、较大的接收滞后与高温耐受特性,适合在汽车级 LIN 总线应用中作为可靠的物理层收发器。合理的 PCB 布局与电源旁路、热管理措施可发挥其最佳性能。

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