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PCA9531PW,118 PCA9531PW
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- NXP PCA9531PW, 118
- Type
- NXP
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- NXP
- Electronic Component
- PCA9531PW,118
- Electronic Component
- 1
- Package
- TSSOP-16
- Electronic Component
- LEDDriver
- Electronic Component
- I2C
- Electronic Component
- 0.09g
- Electronic Component
- 1
- Channel Count
- 8
- Electronic Component
- BM0248788251
- 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.
PCA9531PW,118 产品概述
一、产品简介
PCA9531PW,118 是恩智浦（NXP）推出的一款 8 通道线性 LED 驱动器 IC，采用 TSSOP-16 封装。器件工作电压范围宽（DC 2.3V～5.5V），每通道可提供最高 25mA 的输出电流，工作温度范围 -40℃～+85℃，通过 I²C 总线实现亮度与开关控制，适合对驱动精度和软件可控性有要求的各类照明及指示场合。
二、主要特点
- 8 路线性恒流或可控输出，单通道最大 25mA。
- 2.3V～5.5V 宽工作电压，兼容单节锂电与 3.3V/5V 系统。
- I²C 接口实现分通道亮度调节与开关控制，便于 MCU 集成与系统编程管理。
- 商用及工业级温度范围（-40℃～+85℃），适应多种环境。
- TSSOP-16 小体积封装，便于表面贴装与密集布局。
三、典型应用场景
- 按键/键盘背光与多色指示灯驱动。
- 仪表盘、面板及显示设备局部背光。
- 消费电子产品指示灯与状态显示。
- 工业控制与通信设备的指示/告警灯。
四、设计要点与注意事项
- 功耗与热耗散：线性驱动在大电流、大电压差时会产生较高功耗（I × Vdrop），长时间满载需评估封装热阻与 PCB 散热，必要时降低单通道电流或分散负载。
- I²C 总线管理：为避免总线冲突，合理分配器件地址与上拉电阻值；在多主或长线环境下注意信号完整性与上拉阻选择。
- 电源与布线：为保证稳定亮度，建议在供电引脚旁放置去耦电容，尽量缩短高频回流回路，严谨走线以降低噪声耦合。
- EMC 与滤波：若用于敏感设备，需考虑输出开关与外部环境干扰，适当加入滤波或屏蔽措施。
五、封装与订购信息
型号：PCA9531PW,118；品牌：NXP（恩智浦）；封装：TSSOP-16；环境温度：-40℃～+85℃。在量产设计中建议参考厂方数据手册获取完整寄存器映射、电气特性曲线及典型应用电路，以确保可靠集成与符合规格。
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