WMSIC Electronic Components

PCA9510AD,118 PCA9510AD

ModelPCA9510AD,118
Package8-SO
BrandNXP
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
NXP PCA9510AD, 118
Type
NXP
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
PCA9510AD,118
Electronic Component
1
Package
8-SO
Type
Driver; Buffer
Electronic Component
Signal Buffer / Repeater / Distributor
Electronic Component
0.186g
Electronic Component
1
Channel Count
1
Electronic Component
BM0262715406
Operating Temperature
40℃~+85℃
Operating Voltage
2.7V~5.5V
Type
2 Bus
Output Type
2 Bus
Electronic Component
Electronic Component

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

PCA9510AD,118 产品概述

PCA9510AD,118 是恩智浦(NXP)推出的一款单通道 2 线式总线缓冲器/驱动器,专为 I2C/SMBus 等双线串行总线的可靠传输与分段隔离设计。器件工作电压范围宽(2.7V ~ 5.5V),支持最高 400 kHz 的总线速率,工作温度覆盖工业级 -40℃ ~ +85℃,封装为紧凑的 8-SO,适合对总线驱动能力、线路长度或总线负载有要求的嵌入式与工业应用。

一、主要特性

  • 器件类型:缓冲器 / 转接驱动器(1 通道)
  • 总线类型:输入/输出均为 2 线式总线(适用于 I2C/SMBus)
  • 最高速率:支持最高 400 kHz(Fast-mode)
  • 工作电压:宽电源范围 2.7V ~ 5.5V,便于不同电平域系统使用
  • 工作温度:-40℃ ~ +85℃
  • 封装形式:8 引脚 SO(小封装,利于 PCB 布局)

二、功能描述与优势

PCA9510AD,118 作为总线缓冲器/驱动器,主要用于改善总线的驱动能力、降低每段的负载、以及对总线进行段间隔离。通过在主控端与从端之间加入缓冲器,可以实现:

  • 增加可连接设备数目与分段总线的可扩展性;
  • 降低总线耦合电容对通信速率的影响,便于实现更长线缆或更多节点;
  • 在多主或噪声环境中提高通信稳定性与抗干扰能力;
  • 在不同供电域或板间连接场景下,提供可靠的信号传输(需按系统设计确定上拉与电平策略)。

器件设计适配标准 I2C / SMBus 使用习惯,能在不改变协议层次的前提下,透明转接双线信号,便于模块化设计与系统扩展。

三、典型应用场景

  • 嵌入式主板与外设扩展(分段 I2C 总线以连接更多传感器或外设)
  • 工业控制与自动化系统(长线或高噪声环境下稳定的总线传输)
  • 多板系统与背板连接(隔离不同板级总线负载)
  • 消费类与通信设备内的电平域隔离与驱动能力增强

四、设计与使用建议

  • 上拉电阻:PCA9510AD,118 通常需外接适当阻值的上拉电阻以保证总线时序与上升时间。上拉值选择应兼顾速度要求与功耗(总线电容越大,上拉阻值需相应减小)。
  • 布局:器件应尽量靠近受保护或驱动的一端放置,以减小寄生电容与串扰。对长线应用,考虑增加屏蔽或差分屏蔽策略以抑制外部干扰。
  • 总线分段:在对总线进行分段设计时,注意每段的时序与最大允许电容,必要时在各段末端考虑合适的终端或滤波措施。
  • 温度与电源:在极端工况下验证通信稳定性与电源噪声容限,确保器件在 -40℃ ~ +85℃ 工况下可靠运行。

五、封装与供货信息

PCA9510AD,118 采用 8-SO 小型封装,尺寸与焊盘便于标准 SMT 工艺装配。器件型号及恩智浦品牌保证了产业级的质量与供货渠道,适用于量产部署与长期设计使用。

总结:PCA9510AD,118 是一款面向工业与嵌入式系统的单通道 I2C/SMBus 缓冲器/驱动器,具备宽电压、工业级温度和对 400 kHz 总线速率的支持,适合用于扩展总线、提升驱动能力及改善抗干扰性。在实际设计中,合理选择上拉、电源与布局,可以发挥该器件在复杂系统中的关键作用。

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