WMSIC Electronic Components

TJA1080ATS/2/T,118 TJA1080ATS

ModelTJA1080ATS/2/T,118
Package20-SSOP
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

15 specifications

Core information

Product name
NXP TJA1080ATS / 2 / T, 118
Type
20-SSOP
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
TJA1080ATS/2/T,118
Electronic Component
1
Package
20-SSOP
Electronic Component
Other Interface
Electronic Component
0.6g
Electronic Component
1
Electronic Component
BM0262575773
Operating Voltage
4.75V~5.25V
Electronic Component
Electronic Component
Electronic Component
1000

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

TJA1080ATS/2/T,118 — 产品概述

一、产品定位与总体描述

TJA1080ATS/2/T,118 是恩智浦(NXP)推出的一款汽车级接口芯片,采用 20 引脚 SSOP 封装,工作电压范围为 4.75V ~ 5.25V。该器件定位为车载网络物理层接口(transceiver),适用于对可靠性、耐扰度和电磁兼容性有较高要求的车规电子系统。凭借汽车级设计与封装,TJA1080 适合用于车载控制单元(ECU)、网关、车身电子与车载诊断等需要长期稳定运行的应用场景。

二、主要特性(基于器件定位的关键点)

  • 工作电源:典型 5V 电源,允许的工作范围 4.75V ~ 5.25V,便于与车载 5V 总线供电兼容。
  • 汽车级可靠性:器件满足汽车环境下的可靠性和温度要求(具体合规与等级请参见原厂资料与认证信息)。
  • 20-SSOP 封装:紧凑型封装利于空间受限的 ECU 电路板布局,同时便于常见生产工艺(SMT)装配。
  • 抗骚扰与保护功能:作为车用接口器件,通常具备对差分总线短路、过压、反接和高能脉冲的保护设计,并具备较强的静电放电(ESD)耐受能力。
  • 低功耗特性:支持待机或低功耗模式(具体功能以数据手册为准),有助于降低整车静态功耗。
  • 故障安全与诊断支持:常见的车规接口会集成故障检测与指示功能(如总线故障报警、节点状态输出),便于系统级诊断与容错设计。

三、典型应用场景

  • 车载控制单元(ECU):动力传动、车身控制、门控单元等需要可靠总线连接的控制器。
  • 车载网关与桥接节点:不同车载网络之间的物理接口实现与电平隔离。
  • 车载诊断与测试设备:与车载网络通信的诊断工具与采集模块。
  • 车身电子与感知系统:如灯控模块、座椅控制、车门模块等需要稳定通信的子系统。

四、封装与电气/PCB 设计注意事项

  • 引脚与封装:器件为 20 引脚 SSOP(NXP 标准命名),在 PCB 布局时应参考器件的引脚配置与外形尺寸图,留足焊盘和丝印空间,确保热可靠性与焊接质量。
  • 电源去耦:在 VCC 引脚附近放置高质量的去耦电容(常见做法为 0.1 μF 陶瓷并联 1 μF~10 μF 电解/钽电容),缩短电源回路,抑制瞬态噪声,保证通信稳定性。
  • 差分总线布局:若器件用于差分总线(如 CAN 等),应保证差分对走线成对对称、长度匹配、阻抗控制,并靠近收发器端接入 120Ω 终端电阻(或按系统拓扑要求)。
  • 接地与屏蔽:为提高抗扰度,建议为器件提供连续的地平面,电源与信号地分层管理,注意敏感引脚与高电流回路的隔离。
  • 保护元件:视整车环境需求,可在总线与电源端添加 TVS、共模电感或滤波网络以增强对浪涌、感应闪电与瞬态脉冲的抵抗力。

五、可靠性与法规合规建议

  • 数据手册与AEC-Q认证:在最终设计前务必查阅恩智浦官方数据手册,确认器件是否具有 AEC-Q100(或同类)车规认证等级与温度范围,验证工作条件与环境极限。
  • EMC/EMI 验证:车规通信接口需要通过特定的 EMC 测试,建议在样机阶段进行整车或模块级的电磁兼容验证,验证接地策略与滤波方案的有效性。
  • 热管理:评估器件在高温、高功率场景下的结温与封装热阻,必要时在 PCB 上提供足够的铜面积或散热措施,确保长期可靠性。

六、选型与采购建议

  • 规格核对:基于系统需求核对电压范围、信号接口类型、可用引脚和封装尺寸,确保与板级设计匹配。
  • 参考资料:获取并研读恩智浦官方的器件数据手册、应用笔记与评估板资料,以便实现最佳的硬件与软件联调。
  • 备货与替代:考虑到汽车零部件供应链稳定性,建议评估可替代器件与长期供货能力,必要时与供应商确认生命周期与长期供货计划。

结语:TJA1080ATS/2/T,118 作为恩智浦汽车级接口器件,凭借 5V 工作电压和 20-SSOP 紧凑封装,适合在车载网络与 ECU 应用中作为可靠的物理层方案。具体功能细节、时序和典型电路请以恩智浦官方数据手册为准,并在设计阶段根据整车电磁兼容和热性能要求进行针对性验证与优化。

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