Texas Instruments
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TPS2482PW
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TPS2482PW

Product Overview

Category

The TPS2482PW belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This IC is primarily used for overvoltage protection in various electronic systems, such as power supplies, industrial equipment, and automotive applications.

Characteristics

  • Overvoltage protection: The TPS2482PW provides robust protection against overvoltage events, safeguarding sensitive components.
  • High accuracy: It offers precise voltage monitoring and control, ensuring reliable operation.
  • Fast response time: The IC quickly detects overvoltage conditions and triggers protective measures.
  • Low power consumption: The TPS2482PW is designed to minimize power consumption, making it suitable for energy-efficient applications.

Package

The TPS2482PW is available in a small-sized package, known as PowerPAD™ MSOP-10. This package ensures efficient heat dissipation and ease of integration into various circuit designs.

Essence

The essence of the TPS2482PW lies in its ability to protect electronic systems from damaging overvoltage events, thereby enhancing their reliability and longevity.

Packaging/Quantity

The TPS2482PW is typically supplied in reels or tubes, with a standard quantity of 250 units per reel/tube.

Specifications

  • Input Voltage Range: 4 V to 28 V
  • Overvoltage Threshold Range: 4.5 V to 28 V
  • Operating Temperature Range: -40°C to 125°C
  • Quiescent Current: 25 µA (typical)
  • Response Time: <1 µs

Detailed Pin Configuration

The TPS2482PW features a 10-pin configuration:

  1. EN (Enable): Controls the IC's operation.
  2. OV (Overvoltage): Monitors the input voltage for overvoltage conditions.
  3. GND (Ground): Common ground reference.
  4. VDD (Power Supply): Provides power to the IC.
  5. FLT (Fault): Indicates an overvoltage fault condition.
  6. NC (No Connection): Unused pin.
  7. NC (No Connection): Unused pin.
  8. NC (No Connection): Unused pin.
  9. NC (No Connection): Unused pin.
  10. NC (No Connection): Unused pin.

Functional Features

  • Overvoltage Protection: The TPS2482PW detects and responds to overvoltage events by disabling the output, preventing damage to downstream components.
  • Fault Indication: The FLT pin provides a signal indicating the occurrence of an overvoltage fault, enabling system-level diagnostics.
  • Enable Control: The EN pin allows for easy enable/disable control of the IC, providing flexibility in system design.

Advantages and Disadvantages

Advantages

  • Robust overvoltage protection ensures system reliability.
  • High accuracy and fast response time enhance performance.
  • Low power consumption contributes to energy efficiency.
  • Small package size facilitates integration into compact designs.

Disadvantages

  • Limited to overvoltage protection functionality, may require additional ICs for comprehensive power management.

Working Principles

The TPS2482PW operates based on a voltage monitoring mechanism. It continuously compares the input voltage with a predefined threshold. If the input voltage exceeds the threshold, the IC triggers a fault condition, disabling the output and protecting downstream components from potential damage.

Detailed Application Field Plans

The TPS2482PW finds applications in various fields, including:

  1. Power Supplies: Protecting sensitive electronic components from overvoltage events in AC/DC or DC/DC power supplies.
  2. Industrial Equipment: Safeguarding industrial machinery and control systems from voltage surges.
  3. Automotive Electronics: Ensuring the reliable operation of automotive electronics by preventing overvoltage conditions.

Detailed and Complete Alternative Models

  1. TPS2483PW: Similar to the TPS2482PW, but with additional undervoltage protection functionality.
  2. TPS2490PW: Offers overvoltage protection along with current limiting capabilities.
  3. TPS2384PW: Provides overvoltage protection specifically designed for Power over Ethernet (PoE) applications.

These alternative models offer similar features and can be considered based on specific application requirements.

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Énumérez 10 questions et réponses courantes liées à l'application de TPS2482PW dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of TPS2482PW in technical solutions:

  1. Q: What is TPS2482PW? A: TPS2482PW is a power distribution switch with integrated current monitoring and protection features.

  2. Q: What is the maximum input voltage supported by TPS2482PW? A: TPS2482PW supports a maximum input voltage of 18V.

  3. Q: Can TPS2482PW handle high currents? A: Yes, TPS2482PW can handle currents up to 5A.

  4. Q: How does TPS2482PW provide current monitoring? A: TPS2482PW provides current monitoring through an integrated sense resistor and a dedicated analog output pin.

  5. Q: Does TPS2482PW have overcurrent protection? A: Yes, TPS2482PW has built-in overcurrent protection that can be configured to trigger various fault responses.

  6. Q: Can TPS2482PW be used in battery-powered applications? A: Yes, TPS2482PW can be used in battery-powered applications as it has a low quiescent current and supports low-voltage operation.

  7. Q: Is TPS2482PW compatible with different communication protocols? A: TPS2482PW does not have built-in communication protocols, but it can be easily integrated into systems using standard digital interfaces like I2C or SPI.

  8. Q: Can TPS2482PW be used for hot-swapping applications? A: Yes, TPS2482PW is designed for hot-swapping applications and supports controlled inrush current limiting.

  9. Q: Does TPS2482PW have thermal shutdown protection? A: Yes, TPS2482PW has built-in thermal shutdown protection to prevent overheating.

  10. Q: What are some typical applications of TPS2482PW? A: TPS2482PW is commonly used in various power distribution and monitoring applications, such as USB hubs, battery chargers, industrial automation, and automotive systems.

Please note that the answers provided here are general and may vary depending on specific use cases and configurations.