WMSIC Electronic Components

PCA9633TK,118 PCA9633TK

ModelPCA9633TK,118
PackageHVSON-8-EP(3x3)
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
NXP PCA9633TK, 118
Type
NXP
Minimum package
6000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
PCA9633TK,118
Electronic Component
1
Package
HVSON-8-EP(3x3)
Electronic Component
LEDDriver
Electronic Component
PWM; Analog
Electronic Component
0.001g
Electronic Component
1
Channel Count
4
Electronic Component
BM0239816864
Operating Temperature
40℃~+85℃
Switching Frequency
1MHz
Output Voltage
5.5V
Output Current
25mA
Operating Voltage(DC)
2.3V~5.5V

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

PCA9633TK,118 产品概述

一、概述

PCA9633TK,118 是恩智浦(NXP)面向小型多通道 LED 驱动与指示灯控制的集成电路,封装为 HVSON-8-EP(3x3)。器件支持宽电源电压范围 DC 2.3V 至 5.5V,工作温度范围 -40℃ 至 +85℃,提供 4 路输出,每路最高可驱动 25mA,并支持 PWM 与模拟两种调光方式。其小尺寸封装与灵活的调光能力使其适用于便携设备、家用电器和工业控制等多种场景。

二、主要功能与关键参数

  • 工作电压(DC):2.3V ~ 5.5V,适配常见锂电/系统电压。
  • 通道数:4 路独立输出,适合多色指示或多灯分区控制。
  • 输出电流:单通道最高 25mA,满足常见中等亮度 LED 驱动需求。
  • 调光方式:支持 PWM 调光(高频可达 1MHz 级),同时兼容模拟调光方法,便于消除闪烁并实现细腻亮度控制。
  • 开关/调光频率:可支持高达 1MHz,适合低可见闪烁与高速响应应用。
  • 工作温度:-40℃ ~ +85℃,满足工业级温度要求。
  • 封装:HVSON-8-EP (3x3),带散热焊盘,有利于热管理与贴片工艺。

三、功能亮点

  • 小封装高集成:3×3 mm HVSON-8 占板面积小,适合空间受限的 PCB 布局。
  • 灵活的调光策略:既支持高频 PWM 以避免可见闪烁,又支持模拟方式以兼容不同驱动需求。
  • 多用途输出:可作为 LED 恒流驱动或开关型输出使用,适配指示灯、状态灯和背光等场景。
  • 可靠的工作环境适应性:宽电压与工业级温度范围,适合多种应用环境。

四、典型应用场景

  • 手持设备与便携仪表的状态指示灯与按键背光
  • 家用电器面板指示与符号背光
  • 工业设备的状态指示、报警灯
  • 智能家居和物联网终端中的多色指示与状态反馈

五、设计要点与注意事项

  • 电源去耦:在 VDD 端建议靠近芯片放置 0.1µF 至 1µF 陶瓷去耦电容,以抑制瞬态噪声并保证稳定工作。
  • 散热处理:HVSON-8-EP 带中心焊盘(EP),应连接到接地平面以增强散热能力,防止高电流下过热。
  • 输出配置:若作为恒流驱动使用,请参考器件手册确定电流设定方式(内部或外部设定)。作为开关输出时需注意 LED 与限流元件的正确连接方式。
  • PWM 频率选择:高频(接近 1MHz)可减少可见闪烁,但可能增加 EMI 和开关损耗,需在系统级权衡;低频则有利于降低电磁干扰。
  • PCB 布局:把高电流回路与敏感信号分开,尽量缩短输出导线长度,保证信号完整性和热均匀分布。
  • 保护与可靠性:在有强电磁或静电环境下,做好 ESD 防护与滤波;如有概率异常热耗,考虑外部热保护或限流设计。

六、选型建议与优势总结

PCA9633TK,118 适合需要 4 路独立控制且空间受限的产品设计,尤其是对细腻亮度控制、低功耗和工业温度适应性有要求的场景。其小封装、宽电压、双模式调光和 25mA 的输出能力,使其在指示灯与小功率背光驱动上具备很强的竞争力。设计时建议结合器件数据手册进行电流设定与热设计,以获得可靠稳定的工作表现。

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