TPS2375PWR

Product Overview

Category

The TPS2375PWR belongs to the category of integrated circuits (ICs) and specifically falls under the Power Management ICs.

Use

This IC is primarily used for power over Ethernet (PoE) applications. It provides a complete solution for implementing PoE in various devices, such as network switches, IP cameras, wireless access points, and VoIP phones.

Characteristics

• The TPS2375PWR integrates all the necessary functions required for PoE, including detection, classification, and current limiting.
• It supports both IEEE 802.3af and IEEE 802.3at standards, making it compatible with a wide range of PoE devices.
• This IC offers high efficiency and low power dissipation, ensuring optimal power delivery while minimizing heat generation.
• It features built-in protection mechanisms against overvoltage, overcurrent, and short-circuit conditions, enhancing system reliability.

Package and Quantity

The TPS2375PWR is available in a small-sized surface-mount package known as PowerPAD™, which facilitates efficient thermal dissipation. It comes in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 36V to 57V
• Output Voltage Range: 2.7V to 14V
• Maximum Output Current: 600mA
• Operating Temperature Range: -40°C to +85°C
• Power Dissipation: 1.6W (maximum)

Pin Configuration

The TPS2375PWR has a total of 20 pins, each serving a specific function. Here is the detailed pin configuration:

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 detection and classification: The TPS2375PWR can automatically detect the presence of a PoE device and classify it according to its power requirements.
• Current limiting: It ensures that the power delivered to the device remains within safe limits, protecting both the PoE device and the power sourcing equipment (PSE).
• Fast startup time: The IC quickly powers up the connected device, minimizing any delay in its operation.
• Fault protection: It incorporates various protection mechanisms to safeguard against overvoltage, overcurrent, and short-circuit conditions, preventing damage to the system.

Advantages and Disadvantages

Advantages

• Complete PoE solution in a single IC, reducing component count and simplifying design.
• High efficiency and low power dissipation, leading to energy savings and reduced heat generation.
• Wide compatibility with IEEE 802.3af and IEEE 802.3at standards, ensuring interoperability with various PoE devices.
• Built-in protection mechanisms enhance system reliability and prevent damage.

Disadvantages

• Limited maximum output current of 600mA may not be suitable for high-power PoE applications.
• Lack of detailed pin functionality information may require additional documentation for proper usage.

Working Principles

The TPS2375PWR operates based on the principles of power over Ethernet. It utilizes the power sourcing equipment (PSE) to deliver power and data over standard Ethernet cables. The IC integrates the necessary circuitry to detect, classify, and regulate the power delivered to the connected PoE device. By monitoring the current and voltage levels, it ensures safe and efficient power transfer.

Detailed Application Field Plans

The TPS2375PWR finds applications in various fields where power over Ethernet is required. Some of the detailed application field plans include:

1. Network switches: The IC can be used in network switches to provide power to connected devices, such as IP phones and wireless access points.
2. IP cameras: It enables the implementation of PoE in IP cameras, eliminating the need for separate power cables and simplifying installation.
3. Wireless access points: The TPS2375PWR facilitates the deployment of PoE-enabled wireless access points, enabling flexible placement without the constraint of power outlets.
4. VoIP phones: It allows VoIP phones to receive power and data through a single Ethernet cable, reducing clutter and improving convenience.

Detailed and Complete Alternative Models

1. TPS2376PWR: Similar to TPS2375PWR,