Allegro MicroSystems, LLC
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UDN2982LWTR
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UDN2982LWTR

Product Overview

Category: Integrated Circuit (IC)

Use: The UDN2982LWTR is a high-voltage, high-current source driver IC. It is commonly used in applications where precise control of high-power loads is required.

Characteristics: - High-voltage capability - High-current sourcing capability - Precise control of high-power loads - Compact package size - Low power consumption

Package: The UDN2982LWTR is available in a small outline package (SOP) with 16 pins.

Essence: The UDN2982LWTR is designed to provide efficient and reliable control of high-power loads by amplifying and driving the input signals.

Packaging/Quantity: The UDN2982LWTR is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Supply Voltage: 5V - 40V
  • Output Current: Up to 500mA
  • Input Logic Voltage: 3V - 5V
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: SOP-16

Detailed Pin Configuration

The UDN2982LWTR has 16 pins arranged as follows:

  1. Enable Input (EN)
  2. Input 1 (IN1)
  3. Input 2 (IN2)
  4. Input 3 (IN3)
  5. Input 4 (IN4)
  6. Output 1 (OUT1)
  7. Output 2 (OUT2)
  8. Output 3 (OUT3)
  9. Output 4 (OUT4)
  10. Ground (GND)
  11. Ground (GND)
  12. Ground (GND)
  13. VCC
  14. VCC
  15. VCC
  16. VCC

Functional Features

  • High-voltage and high-current sourcing capability allows for driving of power loads.
  • Enable input (EN) allows for easy control of the outputs.
  • Compact package size enables space-saving designs.
  • Low power consumption ensures energy efficiency.

Advantages and Disadvantages

Advantages: - Precise control of high-power loads - High-voltage capability - High-current sourcing capability - Compact package size - Low power consumption

Disadvantages: - Limited output current compared to some other driver ICs - Requires external components for proper operation

Working Principles

The UDN2982LWTR operates by amplifying and driving the input signals to control the high-power loads. When the enable input (EN) is high, the outputs are enabled and can source current to the connected loads. The inputs (IN1-IN4) control the state of the corresponding outputs (OUT1-OUT4).

Detailed Application Field Plans

The UDN2982LWTR finds applications in various fields, including: 1. Industrial automation systems 2. Motor control circuits 3. Robotics 4. Power management systems 5. Automotive electronics

Detailed and Complete Alternative Models

  1. UDN2981LWTR: Similar to UDN2982LWTR but with 8 outputs instead of 4.
  2. ULN2803A: Octal high-voltage, high-current Darlington transistor array.
  3. L293D: Quadruple half-H driver IC.

These alternative models offer similar functionality and can be used as substitutes for the UDN2982LWTR depending on specific requirements.

In conclusion, the UDN2982LWTR is a versatile high-voltage, high-current source driver IC that provides precise control of high-power loads. Its compact size, low power consumption, and various applications make it a popular choice in the field of electronics.

Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af UDN2982LWTR i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of UDN2982LWTR in technical solutions:

  1. Q: What is UDN2982LWTR? A: UDN2982LWTR is a high-current, high-voltage Darlington transistor array commonly used for driving inductive loads such as relays, solenoids, and stepper motors.

  2. Q: What is the maximum voltage rating of UDN2982LWTR? A: The maximum voltage rating of UDN2982LWTR is 50V.

  3. Q: How many channels does UDN2982LWTR have? A: UDN2982LWTR has 8 channels, allowing it to control up to 8 separate loads.

  4. Q: What is the maximum current rating per channel of UDN2982LWTR? A: The maximum current rating per channel of UDN2982LWTR is 500mA.

  5. Q: Can UDN2982LWTR be used with microcontrollers or Arduino boards? A: Yes, UDN2982LWTR can be easily interfaced with microcontrollers or Arduino boards using digital output pins.

  6. Q: Does UDN2982LWTR require external diodes for inductive load protection? A: No, UDN2982LWTR already includes built-in flyback diodes for inductive load protection.

  7. Q: Can UDN2982LWTR handle PWM signals for controlling motor speed? A: Yes, UDN2982LWTR can handle PWM signals and is suitable for controlling the speed of DC motors or stepper motors.

  8. Q: Is UDN2982LWTR compatible with both 5V and 3.3V logic levels? A: Yes, UDN2982LWTR is compatible with both 5V and 3.3V logic levels, making it versatile for various microcontroller platforms.

  9. Q: Can UDN2982LWTR be used in automotive applications? A: Yes, UDN2982LWTR is suitable for automotive applications as it can handle high-voltage and high-current loads.

  10. Q: Are there any recommended heat dissipation considerations for UDN2982LWTR? A: It is recommended to use a heatsink or provide adequate airflow when driving high-current loads to prevent overheating of UDN2982LWTR.

Please note that these answers are general and may vary depending on specific application requirements.