TPS2375PWRG4

TPS2375PWRG4

Product Overview

Category

The TPS2375PWRG4 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 IP phones, wireless access points, security cameras, and other network-connected devices.

Characteristics

• The TPS2375PWRG4 is designed to comply with IEEE 802.3af/at standards for PoE.
• It integrates all the necessary functions required for PoE, including detection, classification, and current limiting.
• This IC supports both end-span and mid-span modes of PoE implementation.
• It offers advanced features like programmable inrush current limit, thermal shutdown protection, and adjustable undervoltage lockout.

Package

The TPS2375PWRG4 is available in a small-sized, surface-mount package known as PowerPAD™ MSOP-8.

Essence

The essence of the TPS2375PWRG4 lies in its ability to simplify the implementation of PoE in various network-connected devices. It provides a reliable and efficient solution for delivering power and data over Ethernet cables.

Packaging/Quantity

The TPS2375PWRG4 is typically sold in reels containing 2500 units per reel.

Specifications

• Input Voltage Range: 36V to 57V
• Output Voltage Range: 2.7V to 14V
• Maximum Output Current: 350mA
• Operating Temperature Range: -40°C to +85°C
• Power Dissipation: 1.25W

Detailed Pin Configuration

The TPS2375PWRG4 has a total of 8 pins arranged as follows:

1. VDD - Power supply input
2. GND - Ground reference
3. VSS - Negative supply voltage
4. VOUT - Output voltage
5. CLASS - Classification resistor connection
6. DETECT - Detection resistor connection
7. ILIM - Current limit setting
8. NC - No connection

Functional Features

• Integrated detection and classification circuitry for PoE compliance.
• Programmable inrush current limit to prevent excessive current during startup.
• Adjustable undervoltage lockout to ensure proper operation under varying input voltage conditions.
• Thermal shutdown protection to prevent overheating and damage to the IC.

Advantages and Disadvantages

Advantages

• Simplifies the implementation of PoE in various devices.
• Complies with IEEE 802.3af/at standards for PoE.
• Supports both end-span and mid-span modes of PoE implementation.
• Offers advanced features like programmable inrush current limit and thermal shutdown protection.

Disadvantages

• Limited maximum output current of 350mA may not be suitable for high-power devices.

Working Principles

The TPS2375PWRG4 operates by detecting the presence of a powered Ethernet connection and classifying it based on the power requirements of the connected device. It then regulates the output voltage and limits the current accordingly to deliver power over the Ethernet cable.

Detailed Application Field Plans

The TPS2375PWRG4 finds applications in various network-connected devices that require power over Ethernet. Some common application fields include: - IP Phones - Wireless Access Points - Security Cameras - Network Switches - Industrial Automation Equipment

Detailed and Complete Alternative Models

1. TPS23753PWPRG4: Similar to TPS2375PWRG4, but with higher maximum output current of 750mA.
2. TPS23757PWPRG4: Similar to TPS2375PWRG4, but with additional features like adjustable current limit and power good indicator.

These alternative models provide options for higher power requirements or additional functionality based on specific application needs.

Word count: 515 words