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TJA1044VT/3Z TJA1044VT
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- NXP TJA1044VT / 3Z
- Type
- NXP
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- NXP
- Electronic Component
- TJA1044VT/3Z
- Electronic Component
- 1
- Package
- 8-SO
- Type
- CAN-FDTransceiver
- Electronic Component
- CAN Transceiver
- Electronic Component
- 0.186g
- Electronic Component
- 1
- Channel Count
- 1
- Features
- Integrated Level positions; ESD; TXD;; Low Power
- Electronic Component
- BM0262575767
- Operating Temperature
- 40℃~+150℃
- Operating Voltage
- 4.75V~5.25V
- Operating Current
- 60mA
- Data
- 5Mbps
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
TJA1044VT/3Z 产品概述
一、概述
TJA1044VT/3Z 是来自 NXP（恩智浦）的一款单通道 CAN-FD 半收发器，面向需要在严苛环境下实现可靠 CAN 总线通信的系统。器件支持高达 5 Mbps 的数据速率，工作电压范围窄而稳定，适合车载与工业级应用的供电要求。封装为 8-SO，便于在有限 PCB 面积内实现布线与散热。
二、主要特性
- 类型：CAN-FD 收发器（半收发器、单通道）
- 最大数据速率：5 Mbps，满足多数 CAN-FD 通信需求
- 电源范围：4.75 V ～ 5.25 V，适配常见 5 V 供电域
- 工作电流（典型/最大）：60 mA 量级（工作模式）
- 静态/待机电流：15 μA（低功耗静态/休眠态）
- 工作温度：-40 ℃ ～ +150 ℃，适合高温与低温工况
- 封装：8-SO，便于自动贴装
三、电气与热性能要点
工作电压需严格控制在 4.75 V～5.25 V 范围内，以保证总线驱动电平与内部偏置稳定；建议板级电源去耦（例如 0.1 μF+1 μF）靠近 VCC 引脚以抑制瞬态。器件在通信活动时典型电流约为 60 mA，设计时需考虑总线负载、待机/唤醒策略以降低系统平均功耗。器件额定工作温度覆盖 -40 ℃ 至 +150 ℃，适用于发动机舱等高温场景，但在极端高温下仍应关注 PCB 散热与寿命评估。
四、封装与引脚概况
TJA1044VT/3Z 采用 8-SO（Small Outline）封装，便于 SMT 工艺安装。单通道布局简洁，适配常见的 CAN_H/CAN_L 对及微控制器接口。设计 PCB 时应为 CAN 总线差分对预留受控阻抗走线，并在总线两端考虑合适的终端电阻与共模电感器件布局。
五、典型应用场景
- 汽车车身电子、车灯控制、车门控制单元等车载网络节点
- 工业自动化设备的现场总线接口
- 需要在高温或低功耗待机状态下保持快速唤醒能力的嵌入式系统
六、设计与使用建议
- 电源管理：为 VCC 提供低 ESR 去耦电容，并在起机顺序中保证稳定供电。
- 总线保护：建议结合合适的瞬态抑制（TVS）与滤波元件提升抗干扰与浪涌能力，特别是在车载环境。
- 布线与终端：CAN 差分对保持等长、靠近器件走线；总线两端保持 120 Ω 终端或根据系统调整。
- 功耗策略：利用器件低至 15 μA 的静态电流特点，在不活动时进入低功耗模式以延长系统寿命。
- 温度验证：在目标应用的温度与振动条件下做可靠性与故障率评估。
七、小结
TJA1044VT/3Z 以其 5 Mbps 的 CAN-FD 支持、窄电压工作区、低静态电流及广温范围，适合对可靠性与环境适应性有较高要求的汽车与工业应用。合理的电源、总线保护与 PCB 布局可发挥其最佳性能，满足现代车辆与工业网络节点对高速、稳定通信的需求。
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