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TJA1057BT/0Z TJA1057BT
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
15
specifications
Core information
- Product name
- NXP TJA1057BT / 0Z
- Type
- NXP
- Minimum package
- 2500 未知
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- NXP
- Electronic Component
- TJA1057BT/0Z
- Electronic Component
- 1
- Package
- SO-8
- Electronic Component
- Other Interface
- Electronic Component
- 0.25g
- Electronic Component
- 1
- Features
- Electronic Component
- Electronic Component
- BM0234453031
- Electronic Component
- Electronic Component
- Electronic Component
- 2500
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
TJA1057BT/0Z 产品概述
一、概述
TJA1057BT/0Z 是恩智浦（NXP）推出的一款高性能 CAN 总线收发器，面向汽车和工业现场总线应用。器件支持高达 5 Mbps 的 CAN 数据速率，工作电压范围为 4.5 V 至 5.5 V，采用标准 SO-8（SOIC-8）封装，具备故障安全特性，适合要求可靠通信和强抗扰动能力的系统。
二、主要功能与特点
- 支持高速 CAN（最高 5 Mbps），向后兼容常见 CAN 协议（ISO 11898 系列）。
- 故障安全设计：在总线短路、总线开路或节点故障时提供保护与稳定性，降低单点故障对总线的影响。
- 宽电源范围：4.5 V–5.5 V 供电，兼容常见 5 V 系统。
- 标准 SO-8 封装，便于 PCB 布局与自动贴装。
- 低静态电流与低功耗待机/休眠模式（具体参数请参考官方数据手册）。
- 集成必要的保护功能（过流保护、热关断、常见电磁干扰抑制），提升系统可靠性。
三、典型电气参数与引脚（概要）
器件常用引脚包括 VCC、GND、CANH、CANL、TXD、RXD 及使能/待机引脚（EN/STB）等。工作电压 4.5 V–5.5 V，最高数据速率 5 Mbps。为保证稳定通信，建议在 CANH/CANL 末端使用 120 Ω 终端电阻，并在 VCC 旁放置合适的去耦电容（如 0.1 μF）。
四、设计与使用建议
- PCB 布局：将收发器靠近总线连接端放置，CANH/CANL 走线尽量成对、等长并远离高速开关电源；布设良好接地。
- 去耦与滤波：VCC 旁放置 0.1 μF 陶瓷电容和必要的滤波网络以抑制瞬态。
- 终端与偏置：总线两端各放置 120 Ω 终端电阻，必要时增加常态偏置以稳定总线 recessive 电平。
- 故障处理：利用 EN/STB 等引脚实现低功耗管理与故障隔离策略，并参考数据手册配置短路/温度保护门限。
五、典型应用场景
- 汽车车身控制、动力总成与车载网络节点（ECU、传感器等）。
- 工业自动化现场总线、楼宇控制与电梯控制系统。
- 需要高可靠通信和故障隔离的嵌入式控制器与数据采集模块。
六、可靠性与合规性
TJA1057 系列设计符合汽车级与工业级应用对电磁兼容、安全性与长期可靠性的要求。具体绝对最大额定值、热特性与认证信息应以恩智浦官方数据手册为准，选型与布局时建议参照厂方典型应用电路与设计指南。
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