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SIT SIT1051AQT
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- SIT SIT1051AQT
- Type
- SIT
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SIT
- Electronic Component
- SIT1051AQT
- Electronic Component
- 1
- Package
- SOP-8
- Type
- CAN Transceiver
- Electronic Component
- CAN Transceiver
- Electronic Component
- 0.232g
- Electronic Component
- 1
- Channel Count
- 1
- Features
- ESD; TXD; Low Power; Bus
- Electronic Component
- BM0229963411
- Operating Temperature
- 40℃~+150℃
- Operating Voltage
- 4.5V~5.5V
- Operating Current
- 70mA
- Data
- 5Mbps
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SIT1051AQT 产品概述
一、产品简介
SIT1051AQT 是芯力特（SIT）推出的一款高性能 CAN 总线收发器，面向汽车和工业实时通信场景。器件支持最高 5 Mbps 的数据速率，工作电压范围为 4.5 V 至 5.5 V，能够满足高速 CAN (例如 CAN FD 高速段) 的苛刻传输需求。封装为常见的 SOP-8 形式，便于 PCB 布局和批量生产工艺集成。
二、主要电气参数
- 数据速率：最高 5 Mbps，适用于高带宽通信需求。
- 工作电压：4.5 V ~ 5.5 V，兼容 5 V 工源和常见车载电源分配。
- 工作电流：典型 70 mA（工作态），在高速传输和驱动负载时保持稳定。
- 静态电流：3 mA（空闲/待机态），有利于降低系统待机功耗。
- 工作温度：-40 ℃ ~ +150 ℃，覆盖车规级及高温工业环境。
- 封装：SOP-8，利于焊接与散热设计。
三、典型功能与优势
- 高速可靠：5 Mbps 的传输能力满足大多数实时控制与诊断通信需求。
- 宽温适应性：-40 ℃ 到 +150 ℃ 的工作温度范围，使其适用于发动机舱等高温环境。
- 低静态功耗：3 mA 的静态电流在待机或休眠场景下有助于降低整车系统能耗。
- 标准封装：SOP-8 便于与现有 PCB 及自动化贴装流程兼容，利于工程替换与量产。
四、典型应用场景
- 汽车车身域网与动力域通信（包括车内诊断、ECU 间高速数据交换）。
- 工业自动化控制总线，适合高可靠性和实时性要求的现场设备互联。
- 医疗设备、轨道交通等要求高温耐受和长期稳定通信的系统。
五、设计与使用建议
- 电源旁路：建议在 VCC 近旁添加 0.1 μF 与 1 μF 的并联去耦电容，降低瞬时电流脉冲对供电的影响。
- 总线终端：在 CANH 与 CANL 末端保持 120 Ω 己阻抗终端电阻，以确保信号完整性。
- PCB 布局：CAN 差分对应保持等长、靠近并尽量远离高频噪声源；供电回路加短回路路径以改善 EMI 性能。
- 散热与可靠性：SOP-8 封装在高温工况下注意整体温升管理，必要时评估散热条件与板级散热设计。
六、可靠性与质量关注点
SIT1051AQT 的宽温设计适合车规及严苛工业环境，但在高温与长时间负载条件下，仍建议进行系统级的热仿真和寿命评估。针对关键应用，应结合整车/系统的电气快速瞬变（EFT/ESD）和负载掉电场景进行完整性验证。
总结：SIT1051AQT 为一款面向高速、宽温与工业及车规应用的 CAN 收发器，具备良好的静态与动态性能表现，适合在需要高带宽和高可靠性的总线系统中使用。
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