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TPS2490DGS
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TPS2490DGS

Product Overview

Category

The TPS2490DGS belongs to the category of power management integrated circuits (PMICs).

Use

It is primarily used for protection and control in power distribution systems.

Characteristics

  • Provides overvoltage, undervoltage, and overcurrent protection.
  • Offers precise voltage regulation and current limiting capabilities.
  • Enables efficient power management and fault detection.

Package

The TPS2490DGS comes in a small outline package (SOP) with 10 pins.

Essence

The essence of the TPS2490DGS lies in its ability to safeguard power distribution systems by monitoring and controlling voltage and current levels.

Packaging/Quantity

The TPS2490DGS is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 0V to 60V
  • Maximum Continuous Current: 2A
  • Operating Temperature Range: -40°C to 125°C
  • Quiescent Current: 50µA

Pin Configuration

The TPS2490DGS has the following pin configuration:

  1. EN (Enable)
  2. GND (Ground)
  3. VCC (Supply Voltage)
  4. FB (Feedback)
  5. SS (Soft Start)
  6. OV (Overvoltage Protection)
  7. UV (Undervoltage Protection)
  8. OC (Overcurrent Protection)
  9. PG (Power Good)
  10. OUT (Output)

Functional Features

  • Overvoltage protection prevents damage to downstream components by shutting off the output when the voltage exceeds a set threshold.
  • Undervoltage protection ensures that the output voltage remains within a safe range by disabling the output when the voltage falls below a specified level.
  • Overcurrent protection limits the output current to prevent excessive power dissipation and potential damage.
  • Power Good (PG) signal indicates when the output voltage is within the desired range, allowing for system-level monitoring.

Advantages and Disadvantages

Advantages

  • Comprehensive protection features ensure the safety of power distribution systems.
  • Precise voltage regulation and current limiting capabilities enhance system reliability.
  • Compact package size enables space-efficient designs.
  • Wide input voltage range allows for versatile applications.

Disadvantages

  • Limited maximum continuous current may restrict usage in high-power applications.
  • Operating temperature range might not be suitable for extreme environments.

Working Principles

The TPS2490DGS operates by continuously monitoring the input and output voltages and currents. It compares these values against predefined thresholds and triggers appropriate actions to protect the system. The device utilizes internal circuitry to regulate the output voltage and limit the output current, ensuring safe and reliable operation.

Detailed Application Field Plans

The TPS2490DGS finds applications in various fields, including:

  1. Industrial automation: Provides protection and control in industrial power distribution systems.
  2. Automotive electronics: Safeguards sensitive electronic components from voltage and current fluctuations.
  3. Renewable energy systems: Ensures the stability and reliability of power generation and distribution in solar or wind energy systems.
  4. Telecommunications: Protects critical equipment from power surges and faults in telecom infrastructure.

Detailed and Complete Alternative Models

  1. TPS2491DGS: Similar to the TPS2490DGS but with a higher maximum continuous current rating of 5A.
  2. TPS2492DGS: Offers additional features such as adjustable overvoltage and undervoltage thresholds.
  3. TPS2493DGS: Designed specifically for automotive applications, providing enhanced protection and fault detection capabilities.

These alternative models provide similar functionality to the TPS2490DGS but may offer different specifications and features to suit specific application requirements.

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技術ソリューションにおける TPS2490DGS の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of TPS2490DGS in technical solutions:

  1. Q: What is the TPS2490DGS? A: The TPS2490DGS is a hot-swap controller IC designed for use in power distribution systems.

  2. Q: What is the purpose of the TPS2490DGS? A: The TPS2490DGS provides protection against overcurrent and overvoltage conditions during hot-swapping of power supplies.

  3. Q: How does the TPS2490DGS protect against overcurrent? A: The TPS2490DGS monitors the current flowing through the load and quickly shuts off the power path if an overcurrent condition is detected.

  4. Q: Can the TPS2490DGS handle high voltage applications? A: Yes, the TPS2490DGS can handle input voltages up to 80V, making it suitable for a wide range of applications.

  5. Q: Does the TPS2490DGS support reverse polarity protection? A: No, the TPS2490DGS does not provide reverse polarity protection. Additional circuitry may be required for this functionality.

  6. Q: What is the maximum current rating of the TPS2490DGS? A: The TPS2490DGS has a maximum current rating of 8A, allowing it to handle moderate power loads.

  7. Q: Can the TPS2490DGS be used in automotive applications? A: Yes, the TPS2490DGS is suitable for automotive applications as it meets the necessary requirements for automotive-grade components.

  8. Q: Does the TPS2490DGS have built-in thermal protection? A: Yes, the TPS2490DGS includes thermal shutdown protection to prevent damage due to excessive heat.

  9. Q: Can the TPS2490DGS be used in parallel configurations? A: Yes, multiple TPS2490DGS devices can be used in parallel to handle higher current requirements.

  10. Q: What are some typical applications for the TPS2490DGS? A: The TPS2490DGS is commonly used in server power supplies, telecom equipment, industrial automation, and other hot-swappable power systems.

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