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TJA1128ETK/0Z TJA1128ETK
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- NXP TJA1128ETK / 0Z
- Type
- NXP
- Minimum package
- 6000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- NXP
- Electronic Component
- TJA1128ETK/0Z
- Electronic Component
- 1
- Package
- 14-HVSON（3x4.5）
- Type
- Transceiver
- Electronic Component
- LIN Transceiver
- Electronic Component
- 0.001g
- Electronic Component
- 1
- Features
- TXD; Bus; Low Power
- Electronic Component
- BM0258756408
- Operating Voltage
- 5V~28V
- Operating Current
- 4.2mA
- Static Current
- 32uA
- Electronic Component
- ±8kV
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
TJA1128ETK/0Z — NXP（恩智浦）完全版 LIN 收发器 产品概述
一、概述
TJA1128ETK/0Z 为恩智浦（NXP）推出的完全版单通道 LIN 物理层收发器（1:1）。器件适用于车载网络与工业串行通信，负责 LIN（Local Interconnect Network）总线上的电平转换与驱动管理，兼顾低功耗待机与在车载电源瞬态环境下的可靠工作。
二、主要参数
- 类型：收发器（单通道 1-1 LIN）
- 工作电压：5 V 至 28 V，覆盖典型 12 V 与 24 V 系统
- 工作电流：4.2 mA（运行态典型值）
- 静态电流：32 µA（低功耗待机态）
- 静电保护：±8 kV（ESD 抗扰能力）
- 封装：14-HVSON（尺寸 3.0 × 4.5 mm）
- 品牌：NXP（恩智浦）
三、关键特性与优势
- 宽输入电压范围（5–28 V）：适配多种车载/工业电源，抵抗电源波动与瞬态。
- 低功耗设计：4.2 mA 的工作电流与仅 32 µA 的静态电流，有利于整车节能与待机电流限制。
- 良好抗静电能力：±8 kV ESD 保护提升系统可靠性与生产装配耐受性。
- 小型 HVSON 封装：14 引脚 HVSON（3×4.5 mm）便于空间受限的 ECU、传感器或执行器模块集成。
- 完全版功能：通常包含标准 LIN 收发器所需的故障检测、唤醒功能与总线保护特性，便于系统级设计。
四、典型应用场景
- 汽车车身控制单元（BCM）、车门模块、座椅与灯光控制器的 LIN 从节点或主节点物理层实现。
- 工业低速串行连接、楼宇自动化与传感器网络中的单线总线通信。
- 空间受限或对低功耗有严格要求的嵌入式通信模块。
五、封装与布局建议
- 14-HVSON（3×4.5 mm）封装有利于高密度 PCB 布局，建议将电源旁路电容靠近 VCC 引脚放置以抑制供电噪声。
- 总线侧建议靠近收发器增加终端/滤波元件（如 LIN 终端电阻、RC 抑制网络）并提供适当的瞬态抑制（如 TVS）以提高系统抗干扰能力。
- 注意散热与焊盘设计以确保长期可靠性，尤其在高环境温度或连续通信场景下。
六、设计注意与选型建议
- 根据系统电源特性与瞬态要求，评估是否需要外加瞬态抑制器与滤波器。
- 在对待机功耗敏感的应用中，利用器件的低静态电流特性并在系统层面优化唤醒策略。
- 如果需要符合特定车规级标准或功能安全要求，请参考恩智浦官方数据手册与车规级产品信息，进行完整验证与测试。
如需更详细的引脚定义、电气特性曲线或参考应用电路，可查阅 NXP 官方数据手册或联系供应商获取技术支持。
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