WMSIC Electronic Components

TI ULN2003AIDR

ModelULN2003AIDR
PackageSOIC-16
BrandTI
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
TI(Texas Instruments) ULN2003AIDR
Type
TI
Unit
Electronic Component
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
TI(Texas Instruments)
Electronic Component
ULN2003AIDR
Electronic Component
1
Package
SOIC-16
Type
BJT
Electronic Component
Darlington Transistor Array
Electronic Component
0.296g
Electronic Component
1
Channel Count
Electronic Component
Electronic Component
BM69417878
Operating Temperature
40℃~+105℃
Current(Ir)
50uA
(Vf)
1.7V
Capacitor(Ci)
15pF

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

ULN2003AIDR 产品概述

引言

ULN2003AIDR 是由德州仪器(Texas Instruments)推出的一款高效 NPN 达林顿型晶体管阵列。它专为驱动较大电流负载而设计,能够快速开关,广泛应用于汽车、工业自动化、家用电器等多个领域。对于需要控制电机、继电器和其他高电流负载的设计,ULN2003AIDR 提供了一个理想的解决方案。

基本特性

ULN2003AIDR 是一款具有七个独立 NPN 达林顿输出的晶体管阵列,采用 16-SOIC 表面贴装封装,适合对空间要求严格的电子设备。其主要参数如下:

  • 集电极电流 (Ic):最大 500mA,使得其能够驱动大多数常见电机和继电器。
  • 集射极击穿电压 (Vceo):最大 50V,适合多种电负载的应用。
  • 饱和压降 (Vce(sat)):在 500µA 和 350mA 流量下,最大饱和压降为 1.6V,确保在开启状态下,功耗较低。
  • 截止电流 (Ic(off)):最大 50µA,提供较高的开关性能。
  • 工作温度范围:-40°C 到 +105°C,确保在各种环境条件下稳定工作。

输入/输出特性

ULN2003AIDR 的输入是反相的,意味着输入信号为高电平时,输出将为低电平,这种特性使得它与多种控制器兼容。每个输出通道为低端输出配置,可以与多个负载并联工作,根据具体设计需要来灵活配置。其输入-输出比为 1:1,简化了设计和使用。

应用领域

由于其高电流驱动能力和宽工作温度范围,ULN2003AIDR 适用于以下应用场合:

  1. 继电器驱动:可轻松控制继电器,广泛应用于家电和工业自动化设备。
  2. 步进电机控制:在步进电机驱动电路中,用于控制电机的启动、运行和停止。
  3. LED 灯控制:可以在各种照明系统中使用,以控制高功率 LED 灯的开关。
  4. 传感器接口:通常与传感器电路连接,以便将传感器采集到的信号输出到更高功率的电路。

封装与安装

ULN2003AIDR 采用 16-SOIC 表面贴装封装,尺寸为 0.154"(3.90mm 宽)。该封装形式便于自动化生产和贴片,同时节省了电路板空间,适用于现代电子设备的高密度设计要求。

兼容性

ULN2003AIDR 具有广泛的兼容性,常用于与微控制器(如 Arduino、PIC、AVR、或基于 ARM 的微处理器)接口,形成高效的控制方案。此外,基于其反相输入特性,可直接与典型的逻辑电平信号(例如 TTL、CMOS 逻辑)配合使用,简化了与各种逻辑电路的集成。

结论

ULN2003AIDR 是一款功能全面、效率高、可靠性强的 NPN 达林顿晶体管阵列,适合多种电力驱动应用。其设计精良,能够在各种恶劣环境下稳定工作,使其成为工业、汽车及消费电子设备的理想选择。无论是作为功率开关、电机驱动,还是其他高电流应用,ULN2003AIDR 都能提供出色的性能,值得工程师在设计中考虑。

要了解更多有关ULN2003AIDR 的信息或获取技术支持,可以访问德州仪器官网或联系他们的技术支持团队。

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