The ULN2002AN, manufactured by Texas Instruments, is a high-voltage, high-current Darlington transistor array designed specifically for interfacing between low-level logic circuitry and multiple peripheral power loads. This integrated circuit is part of the ULN200x series, which is renowned for its reliable performance in driving inductive loads such as relays, solenoids, and stepping motors.

Key Features

• Seven Darlington Pairs: Each ULN2002AN contains seven open-collector Darlington pairs with common emitters, allowing for simultaneous control of multiple outputs.
• Output Voltage: It can handle an output voltage of 50V, making it suitable for a variety of high-voltage applications.
• Output Current: Each channel is capable of sustaining a peak output current of 500mA, with a continuous current rating of 350mA per channel.
• Input Compatibility: The input is compatible with popular 5V logic families such as TTL, DTL, and PMOS logic, providing easy interfacing with most digital circuits.
• Protection Diodes: Built-in diodes for back EMF protection are included for inductive load driving, safeguarding the device against voltage spikes.

Applications

The ULN2002AN is versatile and can be used in a wide range of applications, including:

• Relay drivers
• Stepper motor control
• LED displays and indicators
• Logic buffers
• Line drivers
• Hammer drivers

Package and Quality

The ULN2002AN comes in a standard 16-pin plastic DIP (Dual In-line Package) which is easy to handle and compatible with most breadboards and PCBs. Texas Instruments ensures high-quality production and testing standards, guaranteeing reliable performance in both commercial and industrial environments.

Whether you're designing a complex control system or simply need to drive several power loads, the ULN2002AN from Texas Instruments is a solid choice for your circuit design needs, offering both robustness and ease of use.