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TJA1051T/E/1J TJA1051T
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- NXP TJA1051T / E / 1J
- Type
- NXP
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- NXP
- Electronic Component
- TJA1051T/E/1J
- Electronic Component
- 1
- Package
- SO-8
- Type
- CAN Transceiver
- Electronic Component
- CAN Transceiver
- Electronic Component
- 0.21g
- Electronic Component
- 1
- Channel Count
- 1
- Features
- ESD; TXD; Low Power
- Electronic Component
- BM0234453017
- Operating Temperature
- 40℃~+150℃
- Operating Voltage
- 4.5V~5.5V
- Operating Current
- 70mA
- Data
- 5Mbps
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
TJA1051T/E/1J 产品概述
一、产品简介
TJA1051T/E/1J 为恩智浦（NXP）单通道 CAN 收发器，面向车载与工业高速总线应用。器件采用 SO-8 封装，提供单路发送/接收接口，适配标准 CAN 通信拓扑。该型号在宽温范围及严格供电条件下仍能稳定工作，便于在汽车电子、车身控制单元（ECU）和工业控制网络中使用。
二、主要电气参数
- 工作电压：4.5 V ~ 5.5 V
- 工作电流（典型）：70 mA
- 静态/待机电流：2.5 mA
- 数据速率：最高 5 Mbps（具体速率取决于拓扑与线路条件）
- 工作温度：-40 ℃ ~ +150 ℃
- 封装：SO-8（表面贴装）
三、功能特点
- 单通道（1Tx / 1Rx）高速 CAN 收发，支持高数据速率传输需求。
- 低静态功耗，适合含睡眠/低功耗模式的系统设计。
- 宽温工作能力，满足汽车级和部分工业级环境。
- 器件通常集成多项保护机制（如总线短路保护、过温关断与电源欠压监测），增强系统可靠性（详见原厂手册具体保护等级与响应行为）。
四、封装与机械信息
SO-8 小外形封装，便于标准 SMT 生产流程；引脚排列与焊盘设计利于热量与信号回流处理。建议根据实际 PCB 工艺参考厂商推荐焊盘与回流曲线，以保证焊接可靠性与长期热稳定性。
五、典型应用场景
- 汽车车载通信：车身控制、门控单元、车灯模块等 CAN 网络节点。
- 网关与诊断工具：车内网络互联、诊断接口。
- 工业总线与自动化控制：分布式控制器、传感器网络。
- 其他需要稳定差分通信且工作环境恶劣的场景。
六、设计与使用建议
- 电源去耦：在 VCC 与 GND 之间靠近器件放置 0.1 μF 陶瓷电容与必要的低频电容，抑制供电噪声。
- 总线终端：在 CAN_H 与 CAN_L 之间设置标准 120 Ω 终端电阻，必要时考虑分布式终端与校正。
- 抑制瞬态：在入板侧配合 TVS 与共模电感，改善共模干扰与瞬态耐受。
- 热与散热：高工作电流下注意 PCB 铜箔面积与热过孔布局，保障长期稳定工作。
- 若器件带有省电或待机引脚（如 STB），建议在系统中明确电平控制策略以减少待机功耗并保证唤醒可靠性。
七、资料与合规
作为 NXP 品牌产品，建议在选型与量产前获取并详读原厂数据手册、应用说明与车规合规文件（如 AEC-Q 等级与 EMI/ESD 规范）。针对关键应用，配合厂方或渠道获取样片进行环境与兼容性评估，以确保设计满足系统级安全与可靠性要求。
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