WMSIC Electronic Components

HGSEMI PCA82C250M/TR PCA82C250M

ModelPCA82C250M/TR
PackageSOP-8
BrandHGSEMI
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
HGSEMI PCA82C250M / TR
Type
HGSEMI
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HGSEMI
Electronic Component
PCA82C250M/TR
Electronic Component
1
Package
SOP-8
Type
CAN Transceiver
Electronic Component
CAN Transceiver
Electronic Component
0.077g
Electronic Component
1
Channel Count
1
Features
Low Power
Electronic Component
BM0228150909
Operating Temperature
40℃~+125℃
Operating Voltage
4.5V~5.5V
Operating Current
78mA
Data
1Mbps

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

PCA82C250M/TR 产品概述

一、产品简介

PCA82C250M/TR(华冠 HGSEMI)是一款面向汽车与工业现场总线的高性能CAN收发器,支持1 Mbps 数据速率,工作电压范围为4.5V至5.5V。器件工作温度范围宽广(-40℃至+125℃),适合苛刻环境下的可靠通信需求。该型号采用SOP-8封装,便于表面贴装与批量生产。

二、主要特性

  • 支持最高1 Mbps 的高速CAN通信,兼容ISO 11898-2类应用场景;
  • 工作电流约78 mA(典型值),在总线活动时提供稳定驱动能力;
  • 静态/空闲电流低至275 μA(待机/静态模式),利于低功耗系统设计;
  • 工作电压4.5V~5.5V,适配常见5V系统供电;
  • 宽工作温度范围(-40℃~+125℃),满足汽车级与工业级温度要求;
  • SOP-8 封装,便于PCB布局与制造。

三、功能概述

PCA82C250M/TR提供差分发送与接收功能,将逻辑层的TXD信号转换为差分CANH/CANL总线电平,并将总线信号恢复为RXD输出。器件具备总线驱动能力,可在长链路与多节点环境下保证信号完整性与抗干扰性。内部通常集成短路保护与温度保护机制,提高系统稳健性。

四、应用场景

  • 汽车车身控制、动力传动、车载诊断等CAN总线系统;
  • 工业自动化设备、现场控制器与远程I/O模块的实时通信;
  • 医疗设备、楼宇控制以及其他需要稳定差分通信的场合;
  • 任何要求在-40℃至+125℃环境下运行的高可靠性通信节点。

五、设计与使用建议

  • 电源去耦:在VCC引脚靠近器件放置0.1 μF陶瓷去耦电容,抑制瞬态干扰;
  • 总线终端:在CANH与CANL之间使用120 Ω终端电阻,并根据节点位置考虑并联电容或共模扼流器以改善EMC;
  • 接地与布局:确保器件GND与系统地平面良好连接,差分对(CANH/CANL)走线长度匹配、尽量短并远离数字噪声源;
  • 保护措施:在高噪声或易受浪涌的场合,可增加瞬态抑制二极管(TVS)及限流保护,避免总线电压越限;
  • 低功耗模式:合理利用待机/休眠功能(静态电流275 μA),在节点空闲时降低系统总功耗。

六、可靠性与测试要点

在产品验证阶段,建议进行:高/低温循环测试、ESD与瞬态抑制测试、总线短路/过压测试以及长时间稳定性运行测试。注意在高工作电流(典型78 mA)条件下评估PCB热散与周边器件发热,防止临近器件受热影响。

总结:PCA82C250M/TR具备汽车级温度范围、1 Mbps高速数据率与低静态电流等优势,适用于对可靠性与抗干扰性有较高要求的CAN总线节点。在设计时遵循供电去耦、总线终端与良好布局等通用准则,可充分发挥其性能,提升系统稳定性。

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