WMSIC Electronic Components

TJA1044GT/1Z TJA1044GT

ModelTJA1044GT/1Z
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
NXP TJA1044GT / 1Z
Type
NXP
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
TJA1044GT/1Z
Electronic Component
1
Package
8-SO
Type
CAN Transceiver
Electronic Component
CAN Transceiver
Electronic Component
0.186g
Electronic Component
1
Channel Count
1
Features
ESD; TXD;; Low Power
Electronic Component
BM0258721285
Operating Temperature
40℃~+150℃
Operating Voltage
4.5V~5.5V
Operating Current
60mA
Data
5Mbps

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

TJA1044GT/1Z 产品概述

一、产品简介

TJA1044GT/1Z 为 NXP(恩智浦)推出的一款高性能 CAN 半收发器(半-收发器-1-1-CANbus-8-SO)。该器件面向车载及工业级现场总线通信,符合高速 CAN 通信需求,封装为 8-SO,便于焊接与自动化组装。关键基础参数:最大数据速率 5 Mbps,工作电压 4.5 V ~ 5.5 V,工作电流典型值 60 mA,静态(待机)电流 15 μA,工作温度范围 -40 ℃ ~ +150 ℃。

二、主要特性

  • 支持最高 5 Mbps 的高速 CAN 通信,适配 ISO 11898 类高速总线应用(具体兼容性以原厂手册为准)。
  • 宽电源电压范围:4.5 V 至 5.5 V,便于与 5 V 系统直接耦合。
  • 低功耗待机模式:静态电流低至 15 μA,适合需要节能或休眠管理的系统。
  • 常态工作电流约 60 mA,需在 PCB 设计与电源预算中考虑热耗与稳压能力。
  • 封装为 8 引脚 SO(8-SO),符合常见封装工艺与焊接流程,便于替换和量产。

三、电气与环境性能要点

  • 电压:VCC 工作范围 4.5–5.5 V,建议使用稳定低噪声 5 V 电源并加旁路电容以降低瞬态影响。
  • 电流:工作时约 60 mA(典型),待机时约 15 μA(静态),需为峰值与常态功耗做电源与热管理评估。
  • 温度:器件保证-40 ℃ 至 +150 ℃ 工作能力,适合严苛车载及工业环境,但在高温工况下要注意可靠性退化与散热设计。

四、引脚与封装(概览)

  • 封装:8-SO,标准引脚排列,便于自动化贴装与波峰/回流焊接。
  • 引脚功能通常包括:VCC、GND、CAN_H、CAN_L、TXD、RXD、STB/EN 等(具体引脚定义与排列请参照原厂数据手册)。在设计时应严格按数据手册连接,避免功能冲突或误驱动。

五、典型应用场景

  • 车载网络通信:ECU 间高速数据交换、车身控制、传感器总线等。
  • 工业自动化:PLC 与分布式节点的实时数据总线。
  • 商用车与轨道交通系统中需要高可靠性总线接口的场合。
  • 需要低静态功耗与休眠管理的嵌入式通信节点。

六、设计注意与建议

  • 电源去耦:在 VCC 引脚近旁放置 0.1 μF 陶瓷去耦电容,并并联适当的低频电解/钽电容以缓冲负载突变。
  • 总线终端:在 CAN 总线两端使用 120 Ω 终端电阻,必要时加入共模电感以抑制干扰。
  • 布局:将收发器尽量靠近连接器或 CAN 总线引出端放置,CAN_H/CAN_L 走线成对、等长并缩短回路面积,避免穿过敏感模拟电路区。
  • 热管理:工作电流 60 mA 在长时间高负载或高温下会产生明显功耗,注意 PCB 铜箔散热并评估环境温度对寿命的影响。
  • ESD 与故障保护:尽管器件可能具备一定保护功能,建议在易受干扰的总线外部加装 TVS 或过压保护元件,并设计短路检测与故障隔离策略。

七、可靠性与采购建议

  • 在最终设计与量产前,务必参照 NXP 官方数据手册与销售规格书确认所有电气参数、引脚定义和温度限制。
  • 对于车规或高可靠性应用,建议选择具有相应资格(如 AEC‑Q100/车规级)认证的型号,并在样机上进行温升、长期老化与电磁兼容(EMC)测试。
  • 采购时注意封装代码与批次(TJA1044GT/1Z),以确保与设计版本一致并便于后续更换。

以上为基于提供参数的 TJA1044GT/1Z 产品概述与实用建议,具体应用设计请结合原厂完整数据手册与系统需求进行详细验证。

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