WMSIC Electronic Components

PCA9557PW,118 PCA9557PW

ModelPCA9557PW,118
PackageTSSOP-16
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 Date code within 2 years

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
NXP PCA9557PW, 118
Type
NXP
Unit
Electronic Component
Minimum package
2500 托盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
PCA9557PW,118
Electronic Component
1
Package
TSSOP-16
Electronic Component
I / O Expander
Electronic Component
0.168g
Electronic Component
1
I / O
8
Features
positions; and
Electronic Component
BM69413980
Operating Temperature
40℃~+85℃
Operating Voltage
2.3V~5.5V
Interface Type
I2C;SMBus
Output Type
Electronic Component

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

PCA9557PW,118 产品概述

产品简介

PCA9557PW,118 是一款高性能的 I²C 及 SMBus 兼容的 I/O 扩展器,专为微控制器和数字信号处理器(DSP)应用设计。此器件由全球知名的半导体制造商 NXP(恩智浦)生产,具备强大的功能和灵活的应用潜力,尤其适合于需要额外输入/输出通道的应用场景。

基本特性

  1. 引脚和接口: PCA9557PW 拥有 8 个可编程的 I/O 通道,能够根据需求灵活配置为输入或输出模式。这使得用户可以在不同的项目中调整 I/O 数量以适应特定功能需求。其支持的 I²C 和 SMBus 接口使得设备能简便地与各种主控器件进行通信,尤其方便在复杂系统中实现扩展。

  2. 供电电压范围: 该集成电路的供电电压范围为 2.3V 至 5.5V,这个广泛的电压范围保证了其能够与多种低功耗设备兼容,使其适用于从移动设备到中等功率设备的多种应用场合。

  3. 电流输出能力: PCA9557PW 的输出类型可配置为开漏极或推挽式,且能安全承受高达 20mA 的输出电流,具备良好的驱动能力。同时,其引脚也能支持输入信号,绝大多数情况下都能满足多样化的接口需求。

  4. 时钟频率: 最大时钟频率可达 400kHz,能够满足大多数快速并行数据通信的实时需求。这种高频率的性能使得 PCA9557PW 能够高效地处理大规模数据传输,特别适合于对反应速度要求较高的工业和通信应用。

  5. 工作温度范围: PCA9557PW 具备 -40°C 至 +85°C 的工作温度范围,使其在极端环境下依然稳定运行,尤其适合应用于自动化、汽车电子和通讯设备等高要求的场景中。

  6. 封装形式: 该芯片采用 16-TSSOP 封装,尺寸为 0.173" x 4.40mm,此设计便于表面贴装(SMD)技术安装,在空间受限的应用中显得尤为重要。同时,小巧的封装也提升了整体设计的集成度和可靠性。

应用场景

PCA9557PW 的应用非常广泛,涵盖多个领域,例如:

  • 消费电子:在智能家居、移动设备及可穿戴设备等产品中,用于扩展 I/O 接口,实现更多功能,如 LED 控制或按钮输入。
  • 工业自动化:在制造设备及生产线中,需要对传感器和执行器进行控制的场合,PCA9557PW 能实现高效的信号管理和通道扩展。
  • 汽车电子:车载设备常常需要额外的 I/O 扩展,该芯片在车载系统中可用来连接传感器、执行器与控制单元。
  • 通信设备:在网络设备、路由器等应用中,可以通过 PCA9557PW 进行功能扩展,增加通信的灵活性和适应性。

结语

PCA9557PW,118 是一款功能强大、灵活且具有高可靠性的 I/O 扩展器,凭借其出色的技术参数和多样化的应用能力,成为了现代电子设备中不可或缺的重要组件。不论是在消费电子、工业自动化还是汽车应用中,该器件都能够为客户提供有效的I/O解决方案,帮助简化设计和提升整体性能。

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