ULN2003APWRG4

Product Overview

The ULN2003APWRG4 belongs to the category of high-voltage, high-current Darlington transistor arrays. It is commonly used as a driver for relays, lamps, LEDs, displays, and other medium to high current or high voltage devices. The ULN2003APWRG4 is known for its high-voltage and high-current capabilities, compact package, and ease of use. It is available in a 16-pin TSSOP package and is an essential component in various electronic applications.

Basic Information

• Category: High-voltage, high-current Darlington transistor array
• Use: Driving relays, lamps, LEDs, displays, and other medium to high current or high voltage devices
• Characteristics: High-voltage and high-current capabilities, compact package
• Package: 16-pin TSSOP
• Essence: Driver for high-power electronic components
• Packaging/Quantity: Available in reels with quantities specified by the manufacturer

Specifications

• Maximum Output Current: 500 mA per channel
• Maximum Output Voltage: 50 V
• Input Voltage: 5 V to 15 V
• Operating Temperature Range: -20°C to 85°C
• Storage Temperature Range: -65°C to 150°C

Detailed Pin Configuration

The ULN2003APWRG4 features a 16-pin TSSOP package with the following pin configuration: 1. Input for Channel 1 2. Ground for Channel 1 3. Output for Channel 1 4. Input for Channel 2 5. Ground for Channel 2 6. Output for Channel 2 7. Input for Channel 3 8. Ground for Channel 3 9. Output for Channel 3 10. Input for Channel 4 11. Ground for Channel 4 12. Output for Channel 4 13. Input for Channel 5 14. Ground for Channel 5 15. Output for Channel 5 16. Common Power Supply

Functional Features

• High-Voltage and High-Current Capability: The ULN2003APWRG4 can handle high voltages and currents, making it suitable for driving various electronic components.
• Compact Package: The 16-pin TSSOP package allows for easy integration into electronic circuits and PCB designs.
• Built-in Clamp Diodes: Each output channel includes a built-in clamp diode for inductive load protection.

Advantages and Disadvantages

Advantages

• High-voltage and high-current capabilities
• Compact package for space-constrained designs
• Built-in clamp diodes for inductive load protection

Disadvantages

• Limited to 500 mA per channel output current
• Requires external freewheeling diodes for inductive loads exceeding the specified ratings

Working Principles

The ULN2003APWRG4 operates based on the Darlington transistor array configuration, providing high current gain and allowing for efficient driving of high-power electronic components. When an input signal is applied, the corresponding output channel activates, allowing current to flow through the connected load.

Detailed Application Field Plans

The ULN2003APWRG4 finds extensive application in the following fields: - Industrial Automation: Control of high-power actuators, solenoids, and relays - Automotive Electronics: Driving automotive lighting systems and motors - Consumer Electronics: Controlling high-power LEDs and displays - Robotics: Actuating high-power motors and actuators

Detailed and Complete Alternative Models

• ULN2003A: Similar functionality with slightly different electrical characteristics
• ULN2803A: Higher output current capability for more demanding applications
• ULN2064B: Four-channel version with similar characteristics for smaller-scale applications

In conclusion, the ULN2003APWRG4 is a versatile high-voltage, high-current Darlington transistor array that finds widespread use in driving various electronic components across different industries.

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