ULN2004AINSE4

Product Overview

Category

The ULN2004AINSE4 belongs to the category of integrated circuits (ICs) and specifically falls under the family of Darlington Transistor Arrays.

Use

This product is commonly used as a high-voltage, high-current Darlington transistor array. It is designed to be used as an interface between low-level logic and high-power loads in applications such as relays, solenoids, and stepper motors.

Characteristics

• High-Voltage and High-Current Capability
• Common-Cathode Clamp Diodes for Inductive Load Driving
• TTL/CMOS/PMOS/DTL Compatible Inputs
• Open-Collector Outputs

Package

The ULN2004AINSE4 is available in a 16-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package.

Packaging/Quantity

It is typically supplied in reels or tubes with varying quantities depending on the supplier.

Specifications

• Maximum Collector Current: 500 mA
• Maximum Collector-Emitter Voltage: 50 V
• Number of Channels: 7
• Input Compatibility: TTL, CMOS, PMOS, DTL

Detailed Pin Configuration

The pin configuration of the ULN2004AINSE4 is as follows: 1. Input 1 2. Output 1 3. Ground 4. Input 2 5. Output 2 6. Input 3 7. Output 3 8. Input 4 9. Output 4 10. Input 5 11. Output 5 12. Input 6 13. Output 6 14. Input 7 15. Output 7 16. Vcc

Functional Features

The ULN2004AINSE4 provides a convenient and efficient way to drive high-power loads using low-level logic signals. Its built-in clamp diodes protect the driving transistors from voltage spikes generated by inductive loads, making it suitable for various industrial and automotive applications.

Advantages and Disadvantages

Advantages

• High-Voltage and High-Current Capability
• Built-in Clamp Diodes for Inductive Load Protection
• Compatibility with Various Logic Levels

Disadvantages

• Limited Maximum Collector Current (500 mA)
• Higher Power Dissipation compared to MOSFET-based Drivers

Working Principles

The ULN2004AINSE4 operates based on the principle of Darlington transistor pairs, which provide high current gain and high input impedance. When a logic signal is applied to its inputs, the corresponding output transistors are turned on, allowing current to flow through the connected load.

Detailed Application Field Plans

The ULN2004AINSE4 finds extensive use in various applications, including: - Relay and Solenoid Drivers - Stepper Motor Drivers - Automotive Control Systems - Industrial Automation

Detailed and Complete Alternative Models

Some alternative models to the ULN2004AINSE4 include: - ULN2003A - ULN2803A - ULN2064B - L293D

In conclusion, the ULN2004AINSE4 is a versatile and reliable Darlington transistor array that serves as an effective interface between low-level logic signals and high-power loads in a wide range of applications.

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