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TJA1448AT/0Z TJA1448AT
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- NXP TJA1448AT / 0Z
- 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
- TJA1448AT/0Z
- Electronic Component
- 1
- Package
- SOIC-14
- Type
- CAN-FDTransceiver
- Electronic Component
- CAN Transceiver
- Electronic Component
- 0.26g
- Electronic Component
- 1
- Channel Count
- 2
- Features
- Integrated Level positions; ESD; TXD; Low Power
- Electronic Component
- BM0248788255
- Operating Temperature
- 40℃~+150℃
- Operating Voltage
- 4.5V~5.5V
- Operating Current
- 120mA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
TJA1448AT/0Z 产品概述
一、产品简介
TJA1448AT/0Z 是恩智浦（NXP）推出的一款 HIGH‑SPEED CAN 收发器，面向要求更高带宽与可靠性的 CAN‑FD 网络。器件为双通道设计（2 路 CAN），封装为 SOIC‑14，工作电压范围 4.5V ~ 5.5V，支持最高 5 Mbps 的数据速率，能够满足车载与工业环境对高速报文传输的需求。
二、主要参数与特性
- 类型：CAN‑FD 收发器（HIGH‑SPEED CAN TRANSCEIVER）
- 通道数：2 路（双通道）
- 数据速率：最高 5 Mbps（适用于 CAN‑FD 高速通信）
- 工作电压：4.5V ~ 5.5V
- 工作电流：120 mA（典型/最大工作状态电流，视负载与总线状态而定）
- 静态电流：2 μA（低功耗待机/静态条件）
- 工作温度：-40°C ~ +150°C（宽温设计，适应严苛工况）
- 封装：SOIC‑14（易于 PCB 设计与批量生产）
这些参数表明器件兼顾高速通信与低待机功耗，适合需要多通道、稳健通信链路的系统。
三、典型应用场景
- 汽车电子：车身控制、车载网关、域控制器中用于 CAN‑FD 网络互联
- 工业控制：运动控制、分布式 I/O、现场总线接口
- 商用车与工程机械：诊断通信、传感器总线与执行器通信
- 需要多通道高可靠通信的嵌入式系统
四、设计建议与注意事项
- 电源与去耦：在 VCC 引脚附近放置适当的旁路电容（如 0.1 μF 与 1 μF 组合），以抑制瞬态噪声并保证稳定工作。
- 终端与差分布局：CANH/CANL 线上使用 120 Ω 终端电阻，并注意差分走线长度匹配与阻抗连续性以降低反射与串扰。
- EMC 与滤波：在总线端根据系统 EMC 要求加入共模电感或瞬态抑制器，提高抗干扰能力。
- 保护与散热：虽然器件适应宽温，但应保证布局有利于散热，避免长期高温退化；关键总线处可加短路保护措施与熔断器。
- 通信接口：收发器侧与主控（MCU）间信号线需考虑逻辑兼容，控制引脚与故障指示（如有）应按数据手册连接。
五、封装与可靠性
封装为 SOIC‑14，便于通用 PCB 布局与自动化焊接。器件设定工作温度 -40°C 至 +150°C，适用于高温环境应用。对于量产与关键应用，应结合实际系统做完整的热、EMC 与长期可靠性验证。
总结：TJA1448AT/0Z 提供双通道、高速（5 Mbps）、低待机功耗与宽温性能，适合汽车与工业等对 CAN‑FD 网络有高带宽与高可靠性要求的场景。实际设计时，请参考器件完整规格书进行详细电气参数、引脚定义与典型应用电路的实现。
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