WMSIC Electronic Components

PCA9633PW,118 PCA9633PW

ModelPCA9633PW,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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
NXP PCA9633PW, 118
Type
NXP
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
PCA9633PW,118
Electronic Component
1
Package
TSSOP-16
Electronic Component
LEDDriver
Electronic Component
PWM; Analog
Electronic Component
0.001g
Electronic Component
1
Channel Count
4
Electronic Component
BM0263483784
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.

PCA9633PW,118 产品概述

一、总体介绍

PCA9633PW,118 是恩智浦(NXP)推出的一款高集成度四通道 LED 驱动器 IC,面向小功率彩色与单色指示灯、按键背光、显示器与装饰照明等场合。器件集成开关管和恒流驱动,工作电压范围宽(DC 2.3V~5.5V),工作温度覆盖工业级(-40℃~+85℃),采用 TSSOP-16 封装,便于批量生产与 PCB 布局。

二、主要规格与功能亮点

  • 供电与温度:VDD 2.3V~5.5V,工作温度 -40℃~+85℃,适配低压电池与 5V 系统。
  • 通道与电流:4 路独立输出,每通道恒定电流能力可达 25mA,适合直接驱动小功率 LED。
  • 开关与调光:支持 PWM 调光与模拟调光,PWM/开关频率可达 1MHz,满足高频无闪烁与高精度亮度控制需求。
  • 开关管:内部集成开关管,简化外部元件、缩小 BOM,降低设计复杂度。
  • 封装与品牌:NXP 原厂,TSSOP-16 封装,型号 PCA9633PW,118,适合工业与消费类产品。

三、典型应用场景

  • RGB/RGBW 或多颜色指示灯、按键/面板背光驱动;
  • 小型点光源与装饰照明控制;
  • 仪表、工控面板与消费电子指示系统;
  • 需要高精度 PWM 调光与多通道恒流输出的便携式设备。

四、设计与使用建议

  • 电源去耦:在 VDD 近旁放置 0.1µF 陶瓷去耦电容,并根据系统噪声适配更大电容,以保证 PWM 切换时的稳定性。
  • 热管理:单通道 25mA 在 TSSOP-16 小封装下长期工作会产生热量,建议在 PCB 走铜与散热上预留富铜区或放置热过孔以利散热。
  • PCB 布局:将 LED 返回路径与地平面充分分离,PWM 路径缩短并靠近芯片以减少 EMI。
  • 接口与控制:建议与主控 MCU 使用兼容的串行总线(如 I2C/SPI 等)或直接 PWM 门控方式配合实现分级调光与场景联动。
  • 保护设计:如环境或电磁干扰较大,考虑在输出端增加限流或浪涌保护元件以延长可靠性。

五、封装与采购信息

PCA9633PW,118 为 TSSOP-16(PW)封装,常见于标准贴片 SMT 装配流程。选型时请注意器件完整型号与原厂封装代号以避免替换误差。量产前建议索取样片做可靠性与兼容性验证。

六、优势总结

PCA9633PW,118 将恒流输出、内置开关与高频 PWM 调光集于一体,为中低功率 LED 驱动提供简洁可靠的解决方案。宽电压、工业级温度与 TSSOP-16 的封装形式,使其在消费电子与工业产品中都具有很好的适配性。选择此器件可明显减少外部元件、缩短开发周期并提升产品的调光表现与用户体验。

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