WMSIC Electronic Components

MICROCHIP ATA663211-GAQW ATA663211

ModelATA663211-GAQW
PackageSOIC-8
BrandMICROCHIP
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 22+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MICROCHIP ATA663211-GAQW
Type
MICROCHIP
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MICROCHIP
Electronic Component
ATA663211-GAQW
Electronic Component
1
Package
SOIC-8
Type
Transceiver
Electronic Component
LIN Transceiver
Electronic Component
0.11g
Electronic Component
1
Features
Bus;;;; TXD; Bus; Low Power
Electronic Component
BM0230068344
Operating Temperature
40℃~+150℃
Operating Voltage
5V~28V
Operating Current
950uA
Receiver
1
Static Current
15uA

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

ATA663211-GAQW LIN收发器产品概述

ATA663211-GAQW是美国微芯科技(Microchip)推出的单通道LIN总线收发器,专为汽车电子及工业控制领域的低复杂度通信需求设计,具备宽电压范围、宽温度适应性、低功耗等核心特性,是实现微控制器与LIN总线物理层信号转换的理想选择。

一、产品定位与核心功能

作为LIN(Local Interconnect Network)总线的物理层器件,ATA663211-GAQW承担逻辑电平与总线差分信号转换的核心功能:将微控制器输出的逻辑电平(如TTL/LVCMOS)转换为LIN总线的差分信号发送至总线;同时将总线接收的差分信号还原为逻辑电平,传输给微控制器的接收端。其单驱动器+单接收器的配置,适配单通道LIN总线节点的通信需求,支持LIN 2.2a、LIN 3.0等主流协议规范。

二、关键技术参数深度解析

1. 电压与温度适应性

  • 工作电压范围:5V~28V,覆盖汽车12V系统的典型电压波动(如启动时的6V低压、正常运行的13.5V、负载峰值的24V以上),无需额外稳压电路即可稳定工作;
  • 工作温度范围:-40℃~+150℃,符合汽车级AEC-Q100标准,可适应发动机舱高温(约125℃)、冬季低温(-40℃)等极端环境,满足车载电子的可靠性要求。

2. 功耗特性

  • 动态工作电流:950μA(典型值),满足总线通信时的低功耗需求;
  • 静态电流:仅15μA(典型值),显著降低系统待机功耗,适合需要长待机时间的传感器节点、车身控制模块等应用。

3. 抗干扰与可靠性

  • 静电保护:支持±6kV人体模型(HBM)静电防护,降低生产、组装及使用过程中因静电损坏的风险;
  • 总线抗干扰:基于LIN总线差分传输机制,配合器件内部的噪声抑制电路,有效抵抗汽车环境中的电磁干扰(EMI)。

三、封装形式与引脚配置

ATA663211-GAQW采用SOIC-8封装(小外形集成电路,8引脚),体积紧凑(约5.3mm×6.4mm),便于PCB布局,适配小型化模块设计。其典型引脚功能如下(参考LIN收发器通用配置):

  • VCC:电源输入(5V~28V);
  • GND:接地;
  • TXD:微控制器发送逻辑输入;
  • RXD:微控制器接收逻辑输出;
  • LIN:LIN总线差分信号引脚;
  • WAKE:总线唤醒输入(可选);
  • SLEEP:睡眠模式控制(可选);
  • NC:空脚(无连接)。

四、典型应用场景

1. 汽车电子领域

  • 车身控制模块(BCM)的LIN子节点(如车门锁、车窗控制);
  • 座椅调节、后视镜控制、天窗控制单元;
  • 传感器节点(如车内温度、压力传感器,胎压监测辅助节点);
  • 车载信息娱乐系统的辅助通信模块。

2. 工业控制领域

  • 小型分布式设备的通信节点(如智能传感器、执行器);
  • 低复杂度现场总线系统(如工业自动化中的辅助控制链路)。

五、核心性能优势

  1. 宽环境适配:电压、温度范围覆盖汽车级极端场景,无需额外硬件适配;
  2. 低功耗设计:静态电流仅15μA,延长电池供电系统的待机时间;
  3. 高可靠性:静电防护与差分传输机制,提升系统抗干扰能力;
  4. 紧凑封装:SOIC-8节省PCB空间,适合小型化模块;
  5. 兼容性强:与Microchip PIC系列、Atmel AVR等主流微控制器无缝对接,简化系统设计。

六、设计注意事项

  1. 电源滤波:建议在VCC引脚并联0.1μF陶瓷电容,滤除高频噪声;
  2. 总线终端:LIN总线需配置1kΩ终端电阻(通常位于总线两端),确保信号完整性;
  3. 唤醒功能:若使用WAKE引脚,需匹配总线电平(避免过压),可串联限流电阻;
  4. ESD防护:生产过程中需遵循静电防护规范(如佩戴防静电手环),避免器件损坏。

ATA663211-GAQW凭借其汽车级可靠性、低功耗及紧凑封装,成为车载LIN总线节点的高性价比选择,广泛适用于需要稳定、低功耗通信的电子系统。

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