Texas Instruments

ULN2004ADG4

ULN2004ADG4 Description

The ULN2004ADG4 is a 7-channel NPN Darlington transistor array designed for high-current switching applications. Manufactured by Texas Instruments, this device is part of the ULx200xA series and is known for its robust performance and versatile functionality. Despite being marked as obsolete, the ULN2004ADG4 remains a reliable choice for applications requiring efficient power distribution and load driving.

This device features a low-side output configuration, making it suitable for driving relays, solenoids, and other inductive loads. With a maximum output current of 500mA per channel and a maximum load voltage of 50V, the ULN2004ADG4 can handle a wide range of power requirements. The inverting input type ensures that the device can be easily integrated into various control systems, providing precise switching control.

ULN2004ADG4 Features

• Output Type: NPN Darlington transistors provide high-current switching capabilities.
• Output Configuration: Low-side configuration ensures efficient power management and control.
• Current - Output (Max): Each channel can handle up to 500mA, making it suitable for demanding applications.
• Voltage - Load: A maximum load voltage of 50V allows for compatibility with a wide range of devices.
• Input Type: Inverting inputs simplify integration into existing control systems.
• Number of Outputs: Seven independent channels offer flexibility and scalability.
• Mounting Type: Surface mount ensures easy installation and integration into compact designs.
• Package: Supplied in a tube package, ensuring safe handling and storage.
• Compliance: REACH unaffected and ROHS3 compliant, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level (MSL): Level 1 (unlimited), making it suitable for various environmental conditions.

ULN2004ADG4 Applications

The ULN2004ADG4 is ideal for applications requiring reliable and efficient power distribution and load driving. Its high-current switching capabilities make it suitable for driving relays, solenoids, and other inductive loads. The device's low-side configuration and inverting inputs ensure precise control and compatibility with various control systems.

Specific use cases include:

• Automotive Applications: Driving relays and solenoids in automotive systems.
• Industrial Automation: Controlling actuators and motors in industrial environments.
• Consumer Electronics: Managing power distribution in appliances and devices.
• Telecommunications: Driving relays and switches in communication infrastructure.

Conclusion of ULN2004ADG4

The ULN2004ADG4 is a versatile and reliable NPN Darlington transistor array designed for high-current switching applications. Despite being marked as obsolete, its robust performance and versatile functionality make it a valuable component for various applications. With features such as a maximum output current of 500mA per channel, a maximum load voltage of 50V, and a low-side output configuration, the ULN2004ADG4 remains a reliable choice for power distribution and load driving needs. Its compliance with REACH and ROHS3 standards ensures that it meets environmental and regulatory requirements, making it a responsible choice for modern electronics design.