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TJA1022T,118 TJA1022T
Configuration
1 options
Configuration
22+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- NXP TJA1022T, 118
- Type
- NXP
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- NXP
- Electronic Component
- TJA1022T,118
- Electronic Component
- 1
- Package
- 14-SO
- Type
- Transceiver
- Electronic Component
- LIN Transceiver
- Electronic Component
- 0.268g
- Electronic Component
- 1
- Features
- Bus;;; TXD; Bus; Low Power
- Electronic Component
- BM0257711913
- Operating Temperature
- 40℃~+150℃
- Operating Voltage
- 5V~18V
- Operating Current
- 10mA
- Receiver
- 2
- Data
- 20Kbps
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
TJA1022T,118 产品概述
一、产品简介
TJA1022T,118 是恩智浦（NXP）推出的一款高可靠性LIN总线收发器，适用于车载与工业控制领域的局域低速通讯。器件集成了两个驱动器与两个接收器，支持单线LIN拓扑通讯，针对恶劣环境设计，工作电压范围宽（5V~18V），工作温度范围 -40℃ 至 +150℃，满足汽车级和高温工业应用的要求。
二、主要特性
- 类型：收发器（Transceiver）
- 驱动器数：2；接收器数：2
- 工作电压：5 V ~ 18 V
- 数据速率：最高 20 kbps（LIN 速率等级）
- 接收器滞后：175 mV（典型）
- 工作电流：典型 10 mA
- 静态/待机电流：7 μA（低功耗待机）
- 静电保护：±8 kV（符合人体模型 ESD 防护）
- 工作温度：-40℃ ~ +150℃
- 封装：14 引脚 SO（14-SO）
三、功能与工作原理
TJA1022T,118 将物理层驱动与逻辑接收功能集成于单芯片。双驱动器提供对总线的有源拉低/释放控制，实现主从节点的信号发送；双接收器负责将单线总线信号转换为逻辑电平，具备滞后特性以抑制噪声脉冲。器件具备低功耗待机模式，能够在系统睡眠时将静态电流降至微安级，同时保留唤醒侦测功能（若设计使用）。
四、电气与可靠性指标
器件在 5~18V 宽电压范围内稳定工作，典型工作电流约 10 mA，在待机条件下静态电流仅 7 μA，有利于整车或远端节点的能耗控制。接收器滞后 175 mV 有助于提高抗干扰能力，ESD 抗扰度达 ±8 kV，提升安装与维护过程中的可靠性。高达 +150℃ 的工作上限适合高温环境下长期运行。
五、典型应用
- 车载车身电子（如车门、座椅控制单元）
- 传感器与执行器节点的低速通信网关
- 工业自动化与楼宇控制的单线总线系统
- 需要低功耗待机与高温耐受的边缘节点
六、封装与使用建议
器件提供 14-SO 塑封封装，便于通用 PCB 布局与组装。设计时建议考虑：总线侧采用合适的布线阻抗和旁路/滤波网络，保证通讯稳定；在电源入口添加去耦电容与瞬态抑制；根据系统需求合理使用低功耗模式并验证唤醒特性。对于高可靠性应用，请参考恩智浦的参考设计和布局注意事项，以满足 EMC 与热管理要求。
七、采购与替代
型号：TJA1022T,118，品牌：NXP（恩智浦）。在选型时应核对封装、温度等级和电气参数。如需兼容或替代，建议对照器件手册中的功能和电气特性逐一验证，确保驱动/接收能力、待机电流及温度范围满足系统要求。
TJA1022T,118 提供了面向车规与工业级应用的稳健物理层解决方案，适合需要宽电压、低功耗与高温耐受的单线网络节点。
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