ULN2003ADRE4

Product Overview

Category: Integrated Circuit
Use: Driver for high-voltage, high-current applications
Characteristics: Darlington transistor array, 7 channels, high-voltage and high-current capability
Package: SOIC-16
Essence: Power driver IC
Packaging/Quantity: Tube/50 units

Specifications

Voltage Rating: 50V
Current Rating: 500mA
Number of Channels: 7
Output Type: NPN (Open Collector)
Operating Temperature Range: -20°C to 85°C
Package Type: SOIC-16

Detailed Pin Configuration

Input 1
Ground
Output 1
Output 2
Input 2
Output 3
Output 4
Input 3
Output 5
Output 6
Input 4
Output 7
Common
Input 5
VCC
Input 6

Functional Features

High-Voltage and High-Current Capability
Built-in Clamp Diodes for Inductive Load Driving
TTL/CMOS Compatible Inputs
Open-Collector Outputs

Advantages

Simplifies High-Power Control
Compact Design
Easy to Interface with Microcontrollers

Disadvantages

Limited Current Handling Capacity
Not Suitable for Very High-Power Applications

Working Principles

The ULN2003ADRE4 is a high-voltage, high-current Darlington transistor array. It is designed to drive inductive loads such as relays, solenoids, and stepper motors. The device consists of seven NPN Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads.

Detailed Application Field Plans

Industrial Automation: Control of solenoid valves, relays, and actuators
Robotics: Driving stepper motors and controlling robotic arms
Automotive: Switching automotive accessories and lighting systems
Home Automation: Controlling home appliances and lighting

Detailed and Complete Alternative Models

ULN2003A
ULN2004A
ULN2803A
L293D
L298N

This comprehensive overview provides detailed information about the ULN2003ADRE4, including its specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ULN2003ADRE4 v technických řešeních

What is ULN2003ADRE4?
- ULN2003ADRE4 is a high-voltage, high-current Darlington transistor array commonly used for driving inductive loads such as relays, solenoids, and stepper motors.
What is the maximum voltage and current rating of ULN2003ADRE4?
- The ULN2003ADRE4 can handle a maximum voltage of 50V and a continuous output current of 500mA per channel.
How many channels does ULN2003ADRE4 have?
- ULN2003ADRE4 has 7 channels, each consisting of a Darlington pair.
Can ULN2003ADRE4 be used to drive DC motors?
- Yes, ULN2003ADRE4 can be used to drive small DC motors within its current rating.
What are the typical applications of ULN2003ADRE4?
- Typical applications include driving relays, stepper motors, and other inductive loads in automotive, industrial, and consumer electronics.
How do I interface ULN2003ADRE4 with a microcontroller?
- You can directly interface ULN2003ADRE4 with a microcontroller by connecting the input pins to the microcontroller's output pins.
Does ULN2003ADRE4 require external diodes for inductive load protection?
- No, ULN2003ADRE4 has built-in clamp diodes for inductive load protection.
What is the maximum frequency at which ULN2003ADRE4 can operate?
- The maximum operating frequency of ULN2003ADRE4 is typically around 10 kHz.
Can ULN2003ADRE4 be used in automotive applications?
- Yes, ULN2003ADRE4 is suitable for automotive applications due to its high-voltage and high-current capabilities.
Is there a thermal shutdown feature in ULN2003ADRE4?
- No, ULN2003ADRE4 does not have a built-in thermal shutdown feature, so proper heat sinking should be considered in high-power applications.