ULN2003ANS - Texas Instruments

Manufacturer Part Number

ULN2003ANS

Manufacturer

Texas Instruments

Introduction

The ULN2003ANS is a high-voltage, high-current Darlington transistor array designed for power management applications, specifically for driving a wide range of loads including solenoids, relays, DC motors, LED displays, filament lamps, and thermal printheads.

Product Features and Performance

Features seven Darlington pairs that can drive a wide range of loads.

Capable of handling 50V (Max) on the load side.

Provides a maximum output current of 500mA.

Parallel interface for easier connectivity with control systems.

Inverting input type, simplifying the control logic where needed.

Operates efficiently within a temperature range of -40°C to 70°C.

Surface mount packaging allows for more compact and space-efficient designs.

Product Advantages

The combination of seven Darlington pairs in a single package simplifies circuit complexity and reduces board space.

High current handling capability makes it suitable for driving several types of loads.

No external supply required for driving the gates, simplifying the design.

Surface mount package assists in miniaturization of the end product.

Key Technical Parameters

Switch Type: Relay, Solenoid Driver

Number of Outputs: 7

Ratio Input:Output: 1:1

Output Configuration: Low Side

Output Type: Darlington

Voltage Load: 50V (Max)

Current Output (Max): 500mA

Operating Temperature: -40°C ~ 70°C (TA)

Mounting Type: Surface Mount

Package / Case: 16-SOIC

Quality and Safety Features

The ULN2003ANS integrates high-voltage output sustaining capability, thermal shutdown, and output clamp diodes for inductive transient suppression, enhancing the safety and durability of the device.

Compatibility

Due to its universal driving capability and parallel interface, it is compatible with a broad range of microcontrollers and logic interfaces, facilitating its use in multiple applications.

Application Areas

Driving various types of actuators such as solenoids and relays.

Controlling motor operations.

Powering LED displays and filament lamps.

Used in thermal printer heads for controlling heating elements.

Product Lifecycle

The ULN2003ANS is marked as Last Time Buy, indicating it is nearing the end of its production life. Customers are advised to consult Texas Instruments for replacements or upgrades available for future designs.

Several Key Reasons to Choose This Product

High reliability and performance in driving various loads.

Simplifies design and reduces space requirements with integrated seven Darlington pairs.

Enhanced safety features including thermal shutdown and transient suppression.

Compatible with a wide range of control systems.

Although nearing end-of-life, it's supported by Texas Instruments for potential upgrades or replacement solutions, ensuring future-proof designs.