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MICROCHIP ATA6625-GAQW ATA6625
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
17
specifications
Core information
- Product name
- MICROCHIP ATA6625-GAQW
- Type
- MICROCHIP
- Minimum package
- 4000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MICROCHIP
- Electronic Component
- ATA6625-GAQW
- Electronic Component
- 1
- Package
- SOIC-8
- Type
- Transceiver
- Electronic Component
- LIN Transceiver
- Electronic Component
- 0.026g
- Electronic Component
- 1
- Features
- Bus;; Bus;; TXD; Bus; Low Power
- Electronic Component
- BM0227517341
- Operating Temperature
- 40℃~+150℃
- Electronic Component
- Electronic Component
- Electronic Component
- 4000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ATA6625-GAQW 产品概述
一、产品简介
ATA6625-GAQW 是 MICROCHIP（美国微芯）面向汽车单线通信（LIN）总线的收发器器件，封装为 SOIC-8。器件支持典型的汽车工作温度范围（-40℃ 至 +150℃），专用于车载网络中 MCU 与单线物理层之间的接口，提供可靠的发送/接收功能与车规级保护能力。
二、主要特性
- 单通道 LIN 收发器，提供发送（Tx）与接收（Rx）接口，易于与 MCU 的 UART 串口连接。
- 宽温度范围：-40℃ ~ +150℃，满足车规级应用环境要求。
- 低功耗待机模式，支持总线唤醒功能，便于整车能耗管理。
- 集成多种保护机制：过温保护、短路保护、反向电池与瞬态抑制等（提高系统可靠性）。
- SOIC-8 紧凑封装，便于 PCB 布局与自动化焊接。
三、功能与接口说明
- Tx 端：TTL/CMOS 兼容的发送输入，直接驱动 LIN 总线的驱动器。
- Rx 端：总线信号经收发器整形后输出给 MCU，支持故障检测（如线短或开路指示）。
- 睡眠/唤醒：支持由总线活动或外部信号触发的唤醒，降低静态功耗。
- 电源与接地：建议靠近电源引脚增加旁路电容，改善瞬态响应与抗扰度。
四、典型应用场景
- 车身电子控制单元（BCM）、车门控制、座椅与窗控模块。
- 环境控制（HVAC）、照明控制与传感器节点的车载通信。
- 工业与商用车的单线网络接口，要求较高温度和可靠性的场景。
五、设计与使用建议
- PCB 布局时，电源引脚附近增加 0.1µF 陶瓷旁路电容并靠近封装焊盘放置，以降低噪声与尖峰。
- 在总线端视环境加入瞬态抑制器（TVS）与共模扼流圈，以提高对电磁干扰和浪涌的抵抗。
- 参考 LIN 规范与芯片数据手册配置终端拉拔电阻与滤波元件，保证总线信号完整性与唤醒可靠性。
- 在高温环境下注意功耗预算与散热，避免长时间热应力影响器件寿命。
六、可靠性与测试要点
- 在整车级验证中，应测试温度循环、EMC 抗扰、短路与过压条件下的稳定性。
- 进行功耗、唤醒稳定性与总线容错（短接、开路）测试，确保长期可靠运行。
七、总结
ATA6625-GAQW 是一款面向汽车与工业单线通信的车规级 LIN 收发器，结合宽温工作范围、低功耗与多重保护功能，适合需要高可靠性与抗干扰能力的车载网络节点。设计时配合良好电源去耦、总线防护与规范化的 PCB 布局，能够在苛刻环境中提供稳定的通信接口。
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