WMSIC Electronic Components

Chipanalog CA-IS3050CG

ModelCA-IS3050CG
PackageSOIC-8-WB
BrandChipanalog
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 26+

Available for RFQ

Technical data

Product details

14 specifications

Core information

Product name
Chipanalog CA-IS3050CG
Type
CHIPANALOG
Minimum package
1000 卷

Technical parameters

Electronic Component
CHIPANALOG
Electronic Component
CA-IS3050CG
Electronic Component
1
Package
SOIC-8-WB
Electronic Component
Isolated CAN Transceiver
Electronic Component
0.502g
Electronic Component
1
Features
CAN FD; Integrated Isolated Power Supply;; Bus and
Electronic Component
BM0229934502
Electronic Component
Electronic Component
Electronic Component
1000

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

CA-IS3050CG 产品概述

CA-IS3050CG 是川土微(Chipanalog)推出的一款面向工业车辆、自动化与电力系统的高可靠 CAN FD 接口器件。器件集成隔离电源、失效安全机制以及总线故障检测与保护功能,采用 SOIC-8-WB 封装,便于在空间受限的控制板上进行高密度布局。该产品旨在简化系统隔离设计、提高通信可靠性并降低整机故障风险。

一、核心功能与特性

  • 支持 CAN FD(Controller Area Network Flexible Data-rate),兼容经典 CAN 协议,满足高速数据交换需求;
  • 集成隔离电源,提供数字侧与总线侧之间的电气隔离,降低共模干扰对通信的影响并简化隔离电源设计;
  • 失效安全(Fail-safe)设计:在总线或器件异常时自动将总线状态置为安全电平,避免错误帧传播导致系统误动作;
  • 总线故障检测与保护:具备短路检测、过流保护与热关断逻辑,能在总线异常时限制电流并报告故障状态;
  • 封装为 SOIC-8-WB,便于通过常规贴片工艺实现自动化组装与回流焊接。

二、典型应用场景

  • 汽车电子与商用车控制单元:需支持高速且鲁棒的车载通信,隔离与失效保护提高系统安全性;
  • 工业自动化与运动控制:电机驱动、PLC、传感器网络等场景中常见高共模干扰,集成隔离有助于提升通信稳定性;
  • 能源与电力系统:逆变器、配电自动化装置中对抗干扰与故障隔离要求严格;
  • 医疗设备与轨道交通:高可靠、高可用的总线接口需求,且对隔离与故障安全有明确要求。

三、设计与使用要点

  • 隔离与电源布置:器件自带隔离电源可以减少外部隔离变压器或模块数量,但仍需在器件两侧布置合适的去耦电容与滤波网络,确保隔离侧电压稳定;
  • 总线终端与阻抗匹配:在 CAN 总线两端保持 120Ω 终端电阻,靠近收发器处考虑共模扼流器以抑制高频干扰;
  • 失效安全配置:根据系统需求配置器件的故障输出或故障指示引脚,与上位 MCUs 的错误处理逻辑结合实现快速隔离与报警;
  • 散热与布局:虽然 SOIC-8-WB 封装体积小,但在高负载或频繁故障事件(如短路)下会产生热量,应在 PCB 布局阶段预留散热通道并避免热敏器件邻近;
  • 电磁兼容(EMC)考量:器件的隔离特性有助于抗共模干扰,但仍需配合滤波、电源隔离以及适当的接地策略来满足 EMC 要求。

四、可靠性与安全性优势

  • 强化的失效保护逻辑减少故障传播:在节点损坏或外部短路时,器件会主动将总线引脚拉至安全电平或进入限制模式,从而避免错误帧占用总线资源;
  • 总线故障检测能力:能快速识别短路、开路或高阻抗故障并触发相应保护(如限流或报错),便于上层系统进行故障隔离与诊断;
  • 集成隔离降低系统复杂度:相比外部隔离方案,CA-IS3050CG 简化了隔离电源设计与布线,减少潜在失误点,提高整机可靠性。

五、工程实践建议

  • 在评估系统是否需要该器件时,优先考虑是否存在高共模干扰、严格的隔离要求或必须的失效安全策略;
  • 评估 PCB 走线的爬电/间隙距离与器件隔离等级是否匹配系统安全规范,如医疗或轨道交通可能需要更高的隔离等级和认证;
  • 在样机阶段开展过压、短路、热循环与长时间老化测试,验证失效安全与保护逻辑在不同故障场景下的响应性能;
  • 与 MCU 或主控器配合时,确保错误/故障信号的接口定义清晰,便于快速定位故障并实现自动保护流程。

总结:CA-IS3050CG 是一款为工业级 CAN FD 系统设计的高可靠隔离收发器件,凭借集成隔离电源、失效安全与总线保护功能,能够显著降低系统设计复杂度并提升整机抗扰度与安全性。其 SOIC-8-WB 封装适合常规 PCB 制造流程,适用于需要高可靠通信与安全隔离的多种应用场景。若需进一步的电气参数、引脚定义或参考设计建议,可联系川土微获取详细技术手册与示例布局。

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