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SIT SIT1028QTK/5V0 SIT1028QTK
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- SIT SIT1028QTK / 5V0
- Type
- SIT
- Minimum package
- 6000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SIT
- Electronic Component
- SIT1028QTK/5V0
- Electronic Component
- 1
- Package
- DFN3x3
- Type
- Transceiver
- Electronic Component
- LIN Transceiver
- Electronic Component
- 0.143g
- Electronic Component
- 1
- Features
- Bus; TXD; Bus; Low Power
- Electronic Component
- BM0229963410
- Operating Voltage
- 5.5V~28V
- Receiver
- 1
- Data
- 20Kbps
- Communication
- Electronic Component
- Driver
- 1
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SIT1028QTK/5V0 产品概述
一、产品简介
SIT1028QTK/5V0 为芯力特（SIT）推出的一款收发器，提供全双工通讯能力，内含 1 路驱动器和 1 路接收器。器件工作电压范围宽（5.5V~28V），数据速率可达 20 kbps，封装为紧凑型 DFN3x3。该器件适用于对体积、功耗和抗干扰有一定要求的差分或单端总线场合。
二、主要性能特点
- 全双工收发架构，支持同时发送与接收。
- 驱动器数：1，接收器数：1，便于点对点或小型总线拓扑。
- 宽工作电压：5.5V 至 28V，适应多种供电环境（工业/车用侧重）。
- 最大数据速率 20 kbps，适合低速控制与监测类通信。
- DFN3x3 小封装，占板面积小，利于高密度集成。
三、典型应用场景
- 汽车车身控制网络、传感器总线。
- 工业控制系统中低速现场总线。
- 楼宇自控、安防设备之间的点对点通信。
- 智能仪表与远程抄表等低速数据采集系统。
四、封装与引脚注意
器件采用 DFN3x3 封装，底部带散热焊盘（exposed pad），建议在 PCB 设计时根据厂商推荐的焊盘过孔与回流工艺布局。小尺寸封装对焊接与回流曲线敏感，注意按无铅工艺要求控制温度曲线并做好焊点可靠性验证。
五、系统设计与布局建议
- 电源侧靠近 VCC 引脚放置 0.1 μF 陶瓷旁路电容，并在必要时加大容量的滤波电容以减小瞬态电压。
- 信号线尽量短并成差分布线，必要时在驱动端加入阻性终端匹配以抑制反射。
- 在易受干扰环境增加共模扼流圈与 TVS/ESD 二极管以提高抗扰度。
- 在 PCB 布局中保证散热焊盘与接地良好连接，避免热阻集中。
六、可靠性与测试建议
- 在样机阶段做工作电压边界与浪涌耐受测试（包括上限 28V 附近的稳态与瞬态）。
- 做温度循环、振动与 ESD 抗扰度测试，验证在目标应用环境下的长期可靠性。
- 验证通信链路在最大规定数据速率下的误码率与重试机制。
七、选型注意事项
选用时请确认与目标协议电平、总线拓扑和终端匹配是否兼容；若用于汽车或更高可靠性场景，建议查阅供应商完整规格书以确认温度范围、过流保护与故障安全（fail-safe）等具体参数。对于量产前，可向供应商索取器件可靠性报告与封装陆样以便优化生产工艺。
总结：SIT1028QTK/5V0 以其宽电压范围、低速稳定通信和小型 DFN 封装，适合对空间和供电要求多样的低速通信场合。实际设计时应结合厂方完整规格书与 PCB 实装规范进行验证。
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