Texas Instruments
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TPS2373-3RGWR
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TPS2373-3RGWR

Product Overview

Category

The TPS2373-3RGWR belongs to the category of integrated circuits (ICs) specifically designed for power over Ethernet (PoE) applications.

Use

This IC is primarily used in PoE systems to provide power and data transmission capabilities over a single Ethernet cable. It enables the delivery of electrical power to devices such as IP cameras, wireless access points, and VoIP phones, eliminating the need for separate power cables.

Characteristics

  • Power over Ethernet (PoE) compatible
  • Integrated power management features
  • High efficiency power conversion
  • Small form factor
  • Low power consumption
  • Robust protection mechanisms

Package

The TPS2373-3RGWR is available in a small outline package (SOP) with 20 pins. This package offers excellent thermal performance and ease of integration into various system designs.

Essence

The essence of the TPS2373-3RGWR lies in its ability to simplify the implementation of PoE systems by providing a highly integrated solution for power sourcing equipment (PSE) applications.

Packaging/Quantity

The TPS2373-3RGWR is typically supplied in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 36V to 57V
  • Output Voltage Range: 3.3V
  • Maximum Output Current: 750mA
  • Operating Temperature Range: -40°C to 85°C
  • Efficiency: Up to 90%
  • Protection Features: Overcurrent, Overvoltage, Overtemperature

Detailed Pin Configuration

The TPS2373-3RGWR has a total of 20 pins, each serving a specific function. The pin configuration is as follows:

  1. VDD: Power supply input
  2. VDDP: Power supply input for the internal power stage
  3. VSS: Ground reference
  4. VSSP: Ground reference for the internal power stage
  5. NC: No connection
  6. NC: No connection
  7. NC: No connection
  8. NC: No connection
  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
  17. NC: No connection
  18. NC: No connection
  19. NC: No connection
  20. NC: No connection

Functional Features

The TPS2373-3RGWR offers several functional features that enhance its performance and usability in PoE applications:

  1. Integrated DC-DC converter for efficient power conversion.
  2. Automatic detection and classification of powered devices.
  3. Comprehensive protection mechanisms to safeguard against faults and overloads.
  4. Flexible control options for power management and system monitoring.
  5. Low power consumption in standby mode to minimize energy waste.

Advantages and Disadvantages

Advantages

  • Simplifies implementation of PoE systems.
  • Enables power and data transmission over a single Ethernet cable.
  • Compact size allows for easy integration into various system designs.
  • High efficiency power conversion reduces energy losses.
  • Robust protection mechanisms ensure reliable operation.

Disadvantages

  • Limited output current may not be suitable for high-power devices.
  • Requires additional external components for complete PoE system implementation.
  • Relatively higher cost compared to non-PoE solutions.

Working Principles

The TPS2373-3RGWR operates based on the principles of power over Ethernet. It utilizes the Ethernet cable to deliver both power and data to connected devices. The IC integrates a DC-DC converter that efficiently converts the input voltage to the required output voltage. It also incorporates advanced control and protection features to ensure safe and reliable operation.

Detailed Application Field Plans

The TPS2373-3RGWR finds extensive application in various fields, including:

  1. IP Surveillance Systems: Enables power supply to IP cameras for seamless video surveillance.
  2. Wireless Networking: Provides power to wireless access points, eliminating the need for separate power cables.
  3. Voice over IP (VoIP) Phones: Enables power delivery to VoIP phones, simplifying installation and reducing clutter.
  4. Industrial Automation: Powers Ethernet-enabled industrial devices, facilitating remote monitoring and control.
  5. Building Automation: Supports PoE lighting systems and other connected building automation devices.

Detailed and Complete Alternative Models

  1. TPS2373-2RGWR: Similar to TPS2373-3RGWR but with a different output voltage range (2.5V).
  2. TPS2373-4RGWR: Similar to TPS2373-3RGWR but with a different output voltage range (5V).
  3. TPS2373-5RG

רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של TPS2373-3RGWR בפתרונות טכניים

Sure! Here are 10 common questions and answers related to the application of TPS2373-3RGWR in technical solutions:

  1. Q: What is the TPS2373-3RGWR? A: The TPS2373-3RGWR is a Power over Ethernet (PoE) controller designed for use in various applications, including IP cameras, wireless access points, and VoIP phones.

  2. Q: What is the input voltage range supported by the TPS2373-3RGWR? A: The TPS2373-3RGWR supports an input voltage range of 36V to 57V, which is typical for PoE applications.

  3. Q: Can the TPS2373-3RGWR provide power to multiple devices simultaneously? A: Yes, the TPS2373-3RGWR can support multiple powered devices (PDs) through its multiple output channels.

  4. Q: What is the maximum power that can be delivered by the TPS2373-3RGWR? A: The TPS2373-3RGWR can deliver up to 25.5W of power per channel, depending on the specific implementation and thermal considerations.

  5. Q: Does the TPS2373-3RGWR support IEEE 802.3af/at standards? A: Yes, the TPS2373-3RGWR is compliant with both IEEE 802.3af and IEEE 802.3at standards, allowing it to work with a wide range of PoE devices.

  6. Q: Can the TPS2373-3RGWR handle power sourcing equipment (PSE) detection and classification? A: Yes, the TPS2373-3RGWR includes PSE detection and classification features, enabling it to identify and communicate with connected PDs.

  7. Q: What protection features does the TPS2373-3RGWR offer? A: The TPS2373-3RGWR provides various protection features, including overcurrent protection, overvoltage protection, and thermal shutdown.

  8. Q: Is the TPS2373-3RGWR suitable for outdoor applications? A: Yes, the TPS2373-3RGWR is designed to operate in a wide temperature range (-40°C to 85°C) and can be used in outdoor environments.

  9. Q: Can the TPS2373-3RGWR be controlled and monitored remotely? A: Yes, the TPS2373-3RGWR supports I2C communication, allowing for remote control and monitoring of its operation.

  10. Q: Are there any evaluation modules or reference designs available for the TPS2373-3RGWR? A: Yes, Texas Instruments offers evaluation modules and reference designs that can help users quickly prototype and implement the TPS2373-3RGWR in their applications.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.