WMSIC Electronic Components

PCA9617ADPJ

ModelPCA9617ADPJ
PackageTSSOP-8
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
NXP PCA9617ADPJ
Type
NXP
Minimum package
2500 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
PCA9617ADPJ
Electronic Component
1
Package
TSSOP-8
Type
Buffer; Driver
Electronic Component
Signal Buffer / Repeater / Distributor
Electronic Component
0.138g
Electronic Component
1
Channel Count
1
Features
Level Conversion; Bus Capacitor Isolated
Electronic Component
BM0242331620
Operating Temperature
40℃~+85℃
Operating Voltage
2.7V~5.5V
Capacitor
10pF
Type
2 Bus

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

PCA9617ADPJ 产品概述

一、产品简介

PCA9617ADPJ 是恩智浦(NXP)推出的一款单通道缓冲器/转接驱动器,面向两线制总线(如 I²C/SMBus/PMBus)信号的隔离、驱动与电平兼容应用。器件工作电压范围为 2.7V 至 5.5V,支持高达 1MHz 的总线通信速率,封装为 TSSOP-8,工作温度范围为 -40℃ 至 +85℃,输入电容典型值约 10pF,适合需要保持信号完整性与延长总线距离的系统设计。

二、主要特性

  • 类型:缓冲器 / 转接驱动器(2线式总线)
  • 通道数:1 通道
  • 输入/输出类型:2 线式总线(双线、双向信号)
  • 工作电压:2.7V ~ 5.5V,兼容 3.3V 与 5V 系统
  • 最高速率:1MHz(支持快速模式/高速扩展类应用)
  • 输入电容:约 10pF(低电容有利于保持上升/下降边沿)
  • 工作温度:-40℃ ~ +85℃
  • 封装:TSSOP-8,适合空间受限的设计

三、功能说明

PCA9617ADPJ 用于在两个不同电源域或长线环境之间传递两线制总线信号,起到缓冲、驱动和电平匹配的作用。低输入电容减少对原始总线的负载,能够在维持信号波形的同时降低抖动和反射风险。器件适用于单通道拓扑,可作为主总线与分支总线之间的中继或总线延长器使用,从而提高系统可扩展性与可靠性。

四、设计与应用建议

  • 上拉电阻选择:为满足 1MHz 速率,需根据总线电容与传输距离选择合适上拉电阻,常见范围可在 1kΩ 到 10kΩ 之间评估并调优。
  • PCB 布局:尽量缩短关键信号走线与避免长分支线,靠近器件放置旁路电容,减少总线寄生电容以优化上升沿时间。
  • 旁路电容:在电源引脚附近放置 0.1µF 陶瓷旁路电容以稳定供电并抑制电源噪声。
  • 多器件拓扑:如在系统中使用多个缓冲器,应注意总线仲裁和上拉策略,确保总线空闲与总线驱动兼容。

五、封装与环境适应性

PCA9617ADPJ 提供 TSSOP-8 小型封装,适合商业和工业温度范围(-40℃ 至 +85℃)。小封装有利于高密度板级布置,同时提供足够的热性能以满足常见工业应用要求。

六、典型应用场景

  • I²C/SMBus/PMBus 总线延长与分支
  • 不同电压域之间的总线转接(3.3V ↔ 5V)
  • 多板系统或长线通信的信号缓冲
  • 嵌入式控制器与外围设备之间的隔离与驱动增强

七、选型与注意事项

在选型时确认系统总线协议与最大速率匹配、器件工作电压与系统电源域兼容,并评估总线电容与布线长度对上拉电阻与信号完整性的影响。PCA9617ADPJ 适合需要单通道、低输入电容和 1MHz 级别带宽的场合。如需多通道或更高带宽,应考虑其他型号或并行方案。

如需进一步获取详细引脚定义、电气参数表或参考电路图,请查阅恩智浦官方数据手册或联系器件供应渠道。

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