TPS2373-4RGWT

Product Overview

Category

The TPS2373-4RGWT 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

• Power over Ethernet (PoE) compliant
• Supports IEEE 802.3af/at standards
• Integrated DC-DC controller
• High efficiency operation
• Overcurrent and overtemperature protection
• Small form factor

Package

The TPS2373-4RGWT is available in a small outline package (SOP) with a thermal pad for enhanced heat dissipation.

Essence

The essence of the TPS2373-4RGWT lies in its ability to simplify the implementation of PoE systems by integrating key functions into a single IC. This reduces the overall system complexity and cost.

Packaging/Quantity

The TPS2373-4RGWT 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 to 12V
• Maximum Output Current: 600mA
• Operating Temperature Range: -40°C to 85°C
• Efficiency: Up to 92%
• Quiescent Current: 100µA

Detailed Pin Configuration

The TPS2373-4RGWT features a 20-pin package with the following pin configuration:

1. VDD: Power supply input
2. GND: Ground reference
3. EN: Enable pin
4. FB: Feedback pin for output voltage regulation
5. VDDP: Power supply input for the internal controller
6. GNDP: Ground reference for the internal controller
7. VREF: Reference voltage output
8. VOUT: Output voltage pin
9. VSENSE: Current sense input
10. ISET: Current limit setting pin
11. ILIM: Overcurrent limit flag output
12. TSD: Thermal shutdown flag output
13. PG: Power good flag output
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 DC-DC controller for efficient power conversion
• Automatic detection and classification of powered devices
• Adjustable current limit for enhanced system protection
• Built-in overtemperature and overcurrent protection
• Power good indicator for system monitoring
• Low quiescent current for energy-efficient operation

Advantages and Disadvantages

Advantages

• Simplifies PoE system implementation
• Reduces overall system complexity and cost
• Provides efficient power delivery over Ethernet cables
• Offers protection against overcurrent and overtemperature conditions
• Compact form factor enables space-saving designs

Disadvantages

• Limited maximum output current (600mA)
• Requires additional external components for complete PoE system implementation

Working Principles

The TPS2373-4RGWT operates based on the IEEE 802.3af/at standards for PoE. It integrates a DC-DC controller that efficiently converts the input voltage from the Ethernet cable to the desired output voltage. The IC also incorporates features such as automatic device detection, current limiting, and temperature monitoring to ensure safe and reliable operation.

Detailed Application Field Plans

The TPS2373-4RGWT finds extensive application in various PoE-enabled devices, including: - IP cameras - Wireless access points - VoIP phones - Network switches - Industrial automation equipment

Detailed and Complete Alternative Models

1. TPS2373-2RGWR: Similar to TPS2373-4RGWT but with a maximum output current of 400mA.
2. TPS2373-6RGWT: Similar to TPS2373-4RGWT but with a maximum output current of 900mA.
3. TPS2373-8RGWT: Similar to TPS2373-4RGWT but with a maximum output current of 1200mA.

These alternative models offer different maximum output currents to cater to specific power requirements in PoE applications.

Note: The content provided above is a sample structure for an encyclopedia entry and may not reflect the actual specifications or details of the TPS2373-4RGWT IC.