• ULN2003AIPWR TSSOP (PW)-16
ULN2003AIPWR TSSOP (PW)-16

ULN2003AIPWR

50 volt, 7-channel Darlington transistor array

Quantity Unit Price(USD) Ext. Price
500 $0.188 $94.00
5 $0.330 $1.65
50 $0.266 $13.30
150 $0.239 $35.85
2000 $0.173 $346.00
4000 $0.164 $656.00

Inventory:7,450

*The price is for reference only.
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Overview of ULN2003AIPWR

The ULN2003AIPWR is a high-voltage, high-current Darlington transistor array IC commonly used for driving a wide range of inductive loads such as relays, solenoids, stepper motors, and LED displays. It features seven Darlington pairs with common emitters and clamp diodes for inductive load protection, making it a versatile and robust driver solution.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • COM: Common terminal for all seven Darlington pairs
  • 1B, 2B, 3B, 4B, 5B, 6B, 7B: Input pins for each Darlington pair base
  • 1C, 2C, 3C, 4C, 5C, 6C, 7C: Output pins for each Darlington pair collector
  • GND: Ground connection
  • VCC: Positive power supply

Circuit Diagram

Include a circuit diagram illustrating how to use the ULN2003AIPWR to drive inductive loads efficiently and safely.

Key Features

  • Darlington Transistor Array: Provides seven high-voltage and high-current Darlington pairs for driving inductive loads.
  • Inductive Load Protection: Built-in clamp diodes protect the IC and external circuitry from voltage spikes generated by inductive loads.
  • Wide Operating Voltage Range: Supports a supply voltage range from 5V to 50V, making it suitable for a variety of applications.
  • High Output Current: Each Darlington pair can handle a continuous current of up to 500mA, allowing for robust driving capabilities.
  • Compact Package: Available in a space-saving 16-pin PDIP package for easy integration into circuit designs.

Note: For detailed technical specifications, please refer to the ULN2003AIPWR datasheet.

Application

  • Relay Driver: Ideal for driving relay coils in automation and control systems.
  • Stepper Motor Driver: Suitable for controlling stepper motors in precision motion control applications.
  • LED Display Driver: Can be used to drive LED displays and modules for visual indication purposes.

Functionality

The ULN2003AIPWR is designed to efficiently drive inductive loads by providing high-current amplification and protection against voltage spikes generated by inductive components. It simplifies the interfacing of microcontrollers and digital circuits with inductive loads.

Usage Guide

  • Power Supply: Connect VCC (Pin 10) to the positive power supply and GND (Pin 9) to ground.
  • Input Connections: Connect the input pins (1B to 7B) to the control signals for each Darlington pair.
  • Output Connections: Connect the load to be driven to the output pins (1C to 7C) of the respective Darlington pairs.

Frequently Asked Questions

Q: Can the ULN2003AIPWR drive stepper motors?
A: Yes, the ULN2003AIPWR is commonly used as a stepper motor driver due to its high-current Darlington pairs suitable for driving the motor windings efficiently.

Q: Is the ULN2003AIPWR suitable for driving high-power LEDs?
A: Yes, the ULN2003AIPWR can be used to drive high-power LEDs by providing the necessary current and voltage levels for proper illumination.

Equivalent

For similar functionalities, consider these alternatives to the ULN2003AIPWR:

  • ULN2803AIPWR: This IC offers similar high-voltage, high-current Darlington transistor array features with additional output pins for more demanding applications.
  • MC1413P: A Darlington transistor array IC from Motorola offering comparable driving capabilities for inductive loads.

ULN2003AIPWR

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Drivers per package 7 Switching voltage (max) (V) 50
Output voltage (max) (V) 50 Peak output current (A) 0.5
Delay time (typ) (ns) 250 Input compatibility CMOS, TTL
Vol at lowest spec current (typ) (mV) 900 Iout/ch (max) (mA) 500
Iout_off (typ) (µA) 50 Rating Catalog
Operating temperature range (°C) -40 to 105 FET Internal
Imax (A) 0.5 Device type Low-side switches
Function Automotive load dump compatibility, Inductive load compatibility

Warranty & Returns

Warranty, Returns, and Additional Information

  • QA & Return Policy ?

    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

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    Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.

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ULN2003AIPWR

50 volt, 7-channel Darlington transistor array

Inventory:

7,450
Overview of ULN2003AIPWR Specifications Warranty & Returns Similar Products Popular Products

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We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:

·Initiate the request within 90 days after the item's shipment date.

·Coordinate the return or exchange with our team.

·Keep the items in their original condition as delivered.

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The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.

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