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TJA1448ATK/0Z TJA1448ATK
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- NXP TJA1448ATK / 0Z
- Type
- NXP
- Unit
- Electronic Component
- Minimum package
- 6000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- NXP
- Electronic Component
- TJA1448ATK/0Z
- Electronic Component
- 1
- Package
- 14-VDFN
- Type
- CAN-FDTransceiver
- Electronic Component
- CAN Transceiver
- Electronic Component
- 0.198g
- Electronic Component
- 1
- Channel Count
- 2
- Features
- Integrated Level positions; ESD; TXD; Low Power
- Electronic Component
- BM0262715419
- 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.
TJA1448ATK/0Z 产品概述
一、简介
TJA1448ATK/0Z 是恩智浦（NXP）推出的一款双通道 CAN‑FD 收发器，定位于需要高数据率与严苛环境适应性的通信节点。该器件支持高达 5 Mbps 的 CAN‑FD 数据速率，适合车载及工业网络中对带宽与可靠性有较高要求的应用。
二、主要规格
- 类型：CAN‑FD 收发器（双通道）
- 数据速率：最高 5 Mbps（CAN‑FD）
- 工作电压：4.5 V ～ 5.5 V
- 工作电流：典型 120 mA（两通道工作条件下）
- 静态电流（待机）：2 μA（低功耗待机）
- 工作温度：-40 ℃ ～ +150 ℃
- 封装：14‑VDFN（带裸露焊盘，便于散热与接地）
- 品牌：NXP（恩智浦）
三、关键特性与优势
- 双通道设计：在一颗器件上集成两个独立 CAN‑FD 收发通道，节省 PCB 面积并便于系统布线管理。
- 宽温工作范围：-40～+150 ℃ 的耐受能力，适合高温环境或靠近热源的布局。
- 低待机功耗：2 μA 静态电流有利于系统在待机或睡眠模式下减少能耗。
- 标准 5 V 供电：兼容典型车用与工业 5 V 电源域，便于系统整合。
- 封装散热良好：14‑VDFN 带裸露焊盘，有助于热流散与可靠焊接。
四、典型应用
- 汽车车载域网（ECU、车身电子单元、车身控制器）
- 工业自动化控制器与传感节点
- 挂载式网关与通信模块
- 需要双路 CAN‑FD 接口的嵌入式系统
五、设计参考与注意事项
- 电源与去耦：在 VCC 近旁布局充足的陶瓷旁路电容（如 0.1 μF + 1 μF），减小瞬态压降对通信稳定性的影响。
- 地与散热：按封装焊盘要求设计 PCB 热沉/焊盘并通过多层过孔与地层连接，保证器件在高温工况下的可靠散热。
- 总线终端与隔离：在 CAN 总线上放置合适的 120 Ω 终端电阻并按系统要求考虑共模滤波与浪涌抑制元件。
- EMC 与 ESD：在布局上保持 CAN_H/CAN_L 差分对成对走线、等长且远离高速数字回流路径，以降低电磁干扰；必要时增加 TVS 防护。
- 工作模式管理：利用器件低功耗待机特性，通过控制引脚或外部微控制器策略实现节能与快速唤醒。
总结：TJA1448ATK/0Z 以双通道、高速 CAN‑FD 能力和宽温特性，适合要求可靠通信、节省 PCB 空间且需承受高温环境的车载与工业应用。根据系统热与电磁管理要求进行合理布局与电源设计，可发挥其性能优势。
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