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TJA1145AT/0Z是恩智浦(NXP)推出的汽车级全双工CAN收发器,属于1/1通道物理层器件,专为汽车电子及工业恶劣环境下的高速数据通信设计。其核心功能是实现MCU(微控制器)逻辑电平与CAN总线差分信号的双向转换:
该产品经汽车级可靠性验证,核心参数如下:
TJA1145AT/0Z采用14引脚SOIC封装,关键引脚功能如下(典型配置):
引脚 功能描述 VCC 电源输入(4.5V~5.5V) GND 接地引脚 TXD 发送数据输入(MCU逻辑电平) RXD 接收数据输出(逻辑电平,供MCU读取) CAN_H/CAN_L CAN总线差分信号引脚(需接120Ω终端电阻) STB 待机控制(低电平进入待机,高电平正常工作) WAKE 唤醒输入(总线活动或外部信号可唤醒,退出待机) NC 空引脚(无连接)封装尺寸紧凑,适合汽车电子中高密度PCB设计。
该产品符合多项国际及行业标准:
以汽车动力总成ECU为例,集成方式如下:
该方案实现ECU与其他节点(如变速箱ECU、ABS ECU)的高速可靠通信,满足实时控制需求。
总结:TJA1145AT/0Z凭借高可靠性、宽温范围、高速率及低功耗优势,成为汽车电子及工业恶劣环境下CAN通信的理想选择,可有效提升系统通信稳定性与效率。
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Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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