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TPS2492PW
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TPS2492PW

Product Overview

Category

The TPS2492PW belongs to the category of integrated circuits (ICs) used in power management applications.

Use

This IC is specifically designed for hot-swap applications, where it enables safe insertion and removal of circuit boards or modules from a live system without causing any damage.

Characteristics

  • Hot-swap controller with built-in protection features
  • Supports both positive and negative voltage rails
  • Provides precise current and voltage monitoring
  • Offers adjustable current limit and fault response time
  • Enables controlled start-up and shutdown sequences

Package

The TPS2492PW is available in a small outline integrated circuit (SOIC) package, which ensures easy integration into various electronic systems.

Essence

The essence of the TPS2492PW lies in its ability to protect sensitive electronic components during the hot-swapping process. It prevents excessive current flow and voltage spikes, safeguarding the system from potential damage.

Packaging/Quantity

The TPS2492PW is typically sold in reels containing a specified quantity of ICs, ensuring convenient handling and storage during manufacturing processes.

Specifications

  • Input Voltage Range: 2.7V to 18V
  • Operating Temperature Range: -40°C to 85°C
  • Current Limit Range: 0.1A to 10A
  • Fault Response Time: Adjustable, typically 1μs to 100μs
  • Output Voltage Range: -0.3V to 20V

Detailed Pin Configuration

The TPS2492PW has a total of 16 pins, each serving a specific function. The pin configuration is as follows:

  1. EN (Enable)
  2. FLT (Fault)
  3. VCC (Supply Voltage)
  4. GND (Ground)
  5. ILIM (Current Limit)
  6. VOUT (Output Voltage)
  7. VSENSE (Voltage Sense)
  8. ISHUNT (Current Shunt)
  9. NC (No Connection)
  10. NC (No Connection)
  11. NC (No Connection)
  12. NC (No Connection)
  13. NC (No Connection)
  14. NC (No Connection)
  15. NC (No Connection)
  16. NC (No Connection)

Functional Features

  • Overcurrent protection
  • Undervoltage lockout
  • Thermal shutdown protection
  • Fault reporting and detection
  • Adjustable current limit
  • Controlled start-up and shutdown sequences

Advantages and Disadvantages

Advantages

  • Ensures safe hot-swapping of circuit boards
  • Protects sensitive components from damage
  • Provides precise current and voltage monitoring
  • Adjustable current limit for flexibility
  • Compact package for easy integration

Disadvantages

  • Limited to power management applications
  • Requires careful consideration during design and implementation

Working Principles

The TPS2492PW operates by continuously monitoring the current and voltage levels during the hot-swapping process. It compares these values against the set limits and responds accordingly. If a fault condition is detected, such as an overcurrent or undervoltage situation, the IC quickly shuts down the system to prevent any potential damage.

Detailed Application Field Plans

The TPS2492PW finds extensive use in various applications, including: 1. Server racks and data centers 2. Telecommunications equipment 3. Industrial automation systems 4. Automotive electronics 5. Power distribution units

In these fields, the TPS2492PW ensures the safe insertion and removal of circuit boards, minimizing downtime and preventing costly repairs.

Detailed and Complete Alternative Models

  1. TPS2490PW: Similar functionality with lower current limit range.
  2. TPS2491PW: Similar functionality with higher current limit range.
  3. TPS2493PW: Similar functionality with additional fault protection features.

These alternative models offer similar hot-swap capabilities, but with varying specifications to cater to different application requirements.

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技術ソリューションにおける TPS2492PW 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 TPS2492PW in technical solutions:

  1. Q: What is the TPS2492PW? A: The TPS2492PW is a hot-swap controller IC designed for power distribution applications.

  2. Q: What is the purpose of the TPS2492PW? A: The TPS2492PW provides protection against overcurrent, overvoltage, and reverse current conditions during hot-plug events.

  3. Q: How does the TPS2492PW protect against overcurrent? A: The TPS2492PW uses a programmable current limit feature to monitor and limit the output current to a safe level.

  4. Q: Can the TPS2492PW handle high voltage inputs? A: Yes, the TPS2492PW can handle input voltages up to 100V.

  5. Q: Is the TPS2492PW suitable for both AC and DC applications? A: Yes, the TPS2492PW can be used in both AC and DC power systems.

  6. Q: Does the TPS2492PW have built-in thermal protection? A: Yes, the TPS2492PW has a thermal shutdown feature that protects it from overheating.

  7. Q: Can the TPS2492PW be used in parallel for higher power applications? A: Yes, multiple TPS2492PW devices can be connected in parallel to achieve higher power handling capabilities.

  8. Q: What is the maximum operating temperature range of the TPS2492PW? A: The TPS2492PW can operate within a temperature range of -40°C to +125°C.

  9. Q: Does the TPS2492PW require external components for operation? A: Yes, the TPS2492PW requires external MOSFETs, sense resistors, and capacitors for proper functioning.

  10. Q: Are there any evaluation boards or reference designs available for the TPS2492PW? A: Yes, Texas Instruments provides evaluation boards and reference designs to help users quickly prototype their applications using the TPS2492PW.

Please note that these answers are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.