WMSIC Electronic Components

PCA9532PW,118 PCA9532PW

ModelPCA9532PW,118
PackageTSSOP-24
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 PCA9532PW, 118
Type
NXP
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
PCA9532PW,118
Electronic Component
1
Package
TSSOP-24
Electronic Component
LEDDriver
Electronic Component
I2C
Electronic Component
0.202g
Electronic Component
1
Channel Count
16
Electronic Component
BM0249920231
Operating Temperature
40℃~+85℃
Output Current
25mA
Operating Voltage(DC)
2.3V~5.5V
Electronic Component
Electronic Component
Electronic Component
2500

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

PCA9532PW,118 产品概述

一、产品简介

PCA9532PW,118 是恩智浦(NXP)推出的一款 16 通道 LED 驱动器/电源开关,采用 24 引脚 TSSOP 封装。器件通过 I²C 总线进行配置与调光控制,适合对多路指示灯或背光进行集中管理的场合。器件工作电压范围宽(DC 2.3V ~ 5.5V),工作温度范围 -40℃ ~ +85℃,单通道最大可驱动 25mA,便于在 3.3V 或 5V 系统中直接驱动常用 LED。

二、关键规格(一目了然)

  • 工作电压(VCC):DC 2.3V ~ 5.5V
  • 通道数:16 路输出
  • 单通道输出能力:最大 25mA(sink 类型,详见规格表)
  • 调光/控制接口:I²C(支持通过寄存器进行亮度/闪烁控制)
  • 工作温度:-40℃ ~ +85℃
  • 封装:TSSOP-24(PCA9532PW 封装形式)
  • 品牌:NXP(恩智浦)
  • 额外:器件地址可配置,支持总线上多个器件并存(具体地址位数与连接方式请参阅数据手册)

三、主要功能与特性

  • 通过 I²C 总线精细控制每路 LED 的开/关与调光,便于软件化管理界面指示灯或背光效果。
  • 每路支持高达 25mA 的输出能力,可直接驱动多数标准指示 LED;在需要更大电流或高亮度背光时可并联或采用外部驱动方案。
  • 器件通常以低侧开关/电流 sink 模式工作(请以数据手册中电路图为准),对 LED 的亮度和闪烁频率可在寄存器层面设置。
  • 支持多器件寻址,通过地址引脚/寄存器可在同一 I²C 总线上挂接多个 PCA9532,从而扩展通道数。
  • 低功耗待机模式与常规工作模式切换,适合对电源管理有要求的应用。

四、典型应用场景

  • 消费电子:电视、机顶盒、笔记本或平板上的状态指示与功能键背光。
  • 工业与仪器仪表:面板指示灯、信号灯阵列、状态提示。
  • 智能家居与物联网设备:状态指示、传感器指示灯、交互式灯光反馈。
  • 车载非关键电子(需确认器件是否满足汽车级规范):仪表盘附属指示(在满足系统 EMC/ESD 要求下)。

五、设计注意事项与实用建议

  • I²C 总线:保持 SDA、SCL 上适当的上拉电阻(根据总线容量和速度选择),并注意总线速率与器件支持的模式(请参考数据手册确认是否支持标准/快速模式)。
  • 去耦与电源完整性:VCC 附近放置 0.1µF 陶瓷去耦电容,靠近封装引脚布置以抑制瞬态噪声。
  • 输出电流与热管理:单通道 25mA 为器件能力上限,若同时多通道高电流工作,会增加封装温升。系统设计时请参考最大功耗与热阻规范,必要时限制并发驱动通道或增加散热手段。
  • LED 驱动方式:若器件为恒流 sink 类型,可直接驱动 LED;若采用开关型驱动或有特殊电流曲线需求,建议在输入端或 LED 串联处配置适当限流或电阻以保护器件。
  • 地址与扩展:如果需要多个 PCA9532 并联,合理布置地址引脚并在 PCB 布局上预留焊盘以便配置。
  • ESD 与 EMI:在工业或苛刻环境下注意添加必要的 ESD 保护与滤波,保证 I²C 总线与 LED 输出的抗干扰能力。
  • 最后,所有具体参数(如寄存器配置、时序、内部电路拓扑与绝对最大额定值)请以官方数据手册为准,设计前务必查阅最新版本资料。

六、封装与订购信息

PCA9532PW,118 中的 “PW” 表示 TSSOP-24 封装,“,118” 常用于指示卷带盘装(Tape & Reel)或特定供货批次,具体的包装形式、最小订购量和可用性建议向 NXP 或授权代理商查询并确认。

七、总结

PCA9532PW,118 是一款面向多路 LED 管理的通用型 I²C 可编程驱动器,具有宽电压范围、16 路输出与较高单通道驱动能力,适合需要集中控制大量指示灯或背光的消费、工业类应用。在系统设计中需关注电流分配与热耗,同时遵循数据手册中关于接口、电气与时序的规范,以实现稳定可靠的运行。

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