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TPS2373-3RGWT

TPS2373-3RGWT

Product Overview

Category

The TPS2373-3RGWT 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 over a single Ethernet cable. It enables the delivery of power to various devices such as IP cameras, wireless access points, and VoIP phones.

Characteristics

  • Supports IEEE 802.3af/at standards for PoE
  • Provides efficient power management and control
  • Offers protection features like overcurrent and overtemperature shutdown
  • Enables power sourcing equipment (PSE) functionality

Package

The TPS2373-3RGWT is available in a small outline integrated circuit (SOIC) package. This package ensures ease of integration into PoE system designs.

Essence

The essence of the TPS2373-3RGWT lies in its ability to simplify the implementation of PoE systems by integrating key functionalities into a single IC.

Packaging/Quantity

The TPS2373-3RGWT is typically packaged in reels and is available in quantities suitable for both prototyping and large-scale production.

Specifications

  • Input Voltage Range: 36V to 57V
  • Output Voltage Range: 2.5V to 14V
  • Maximum Output Current: 600mA
  • Operating Temperature Range: -40°C to 85°C
  • Power Dissipation: 1.5W

Detailed Pin Configuration

The TPS2373-3RGWT has a total of 20 pins. The pin configuration is as follows:

  1. VDD: Power supply input
  2. VSS: Ground reference
  3. NC: No connection
  4. NC: No connection
  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

  • Integrated power management and control functions
  • Detection and classification of powered devices
  • Overcurrent and overtemperature protection
  • Programmable current limit
  • Power-good indicator

Advantages and Disadvantages

Advantages

  • Simplifies PoE system design
  • Enables efficient power delivery
  • Provides protection against faults
  • Supports industry-standard PoE protocols
  • Compact package for easy integration

Disadvantages

  • Limited maximum output current (600mA)
  • Restricted input voltage range (36V to 57V)

Working Principles

The TPS2373-3RGWT operates by receiving power from the Ethernet cable and converting it into regulated DC voltage suitable for powering connected devices. It incorporates various control mechanisms to ensure safe and efficient power delivery, including detection and classification of powered devices, current limiting, and fault protection.

Detailed Application Field Plans

The TPS2373-3RGWT finds extensive application in the following fields:

  1. IP Surveillance Systems: Enables power and data transmission to IP cameras, simplifying installation and reducing cabling requirements.
  2. Wireless Access Points: Provides power to wireless access points, eliminating the need for separate power cables.
  3. Voice over IP (VoIP) Phones: Facilitates power delivery to VoIP phones, streamlining deployment and reducing clutter.

Detailed and Complete Alternative Models

  1. TPS2372-3RGWT: Similar to the TPS2373-3RGWT, but with a lower maximum output current of 400mA.
  2. TPS23861PWR: Offers enhanced power management features and supports higher output currents up to 1A.

These alternative models provide similar functionality to the TPS2373-3RGWT and can be considered based on specific application requirements.

In conclusion, the TPS2373-3RGWT is an integrated circuit designed for PoE applications. It simplifies power delivery over Ethernet cables, offers protection features, and enables efficient power management. With its compact package and industry-standard compliance, it is widely used in IP surveillance systems, wireless access points, and VoIP phones. Alternative models such as the TPS2372-3RGWT and TPS23861PWR provide additional options for different application needs.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TPS2373-3RGWT i tekniska lösningar

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

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

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

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

  5. Q: Does the TPS2373-3RGWT support IEEE 802.3af/at standards? A: Yes, the TPS2373-3RGWT 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 TPS2373-3RGWT handle power management and control functions? A: Yes, the TPS2373-3RGWT integrates various power management and control features, such as current limit, thermal shutdown, and fault protection.

  7. Q: Is the TPS2373-3RGWT suitable for outdoor applications? A: Yes, the TPS2373-3RGWT is designed to operate in a wide temperature range and can be used in outdoor applications with proper thermal management.

  8. Q: Does the TPS2373-3RGWT require external components for operation? A: Yes, the TPS2373-3RGWT requires external components such as MOSFETs, transformers, and capacitors for proper operation.

  9. Q: Can the TPS2373-3RGWT support power classification for PDs? A: Yes, the TPS2373-3RGWT supports power classification based on the IEEE 802.3af/at standards, allowing it to identify and provide the appropriate power level to connected devices.

  10. Q: Are evaluation boards or reference designs available for the TPS2373-3RGWT? A: Yes, Texas Instruments provides evaluation boards and reference designs that can help developers quickly prototype and implement solutions using the TPS2373-3RGWT.

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