TPS2377DR - Texas Instruments

Manufacturer Part Number

TPS2377DR

Manufacturer

Texas Instruments

Introduction

The TPS2377DR is a Power over Ethernet (PoE) controller integrated circuit for powered devices (PD) from Texas Instruments, providing DC power to PDs through Ethernet cables in compliance with the IEEE 802.3af standard.

Product Features and Performance

Integrated PoE PD controller

Supports IEEE 802.3af (PoE) standard

Power delivery up to 12.95 W for external devices

Internal MOSFET switch included

Auto-retry and disconnect features for fault protection

High-efficiency operation to minimize heat production

Supports high-voltage supply range from 0V to 57V

Low current consumption at 240µA

Thermal shutdown for over-temperature protection

Product Advantages

Ensures safe and reliable power delivery over Ethernet cables

Reduces BOM count with internal switch integration

Extends lifespan of powered devices with built-in protection features

Flexible to work across a wide voltage range, accommodating various applications

Minimizes external component requirements due to integrated features

Key Technical Parameters

Number of Channels: 1

Power - Max: 12.95 W

Internal Switch(s): Yes

Standards: 802.3af (PoE)

Voltage - Supply: 0V ~ 57V

Current - Supply: 240µA

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Over-current protection

Under-voltage lockout

Thermal shutdown mechanism

Robust ESD protection

Offers auto-restart after fault conditions

Compatibility

Compatible with IEEE 802.3af-compliant devices

Easily integrates with Ethernet-powered devices requiring up to 12.95 W

Application Areas

VoIP phones

Wireless networking gear

Surveillance cameras

Point of Sale systems

RFID readers

Product Lifecycle

Product Status: Active

No noted discontinuation date

Generally available for new designs and long-term projects

Several Key Reasons to Choose This Product

Cost-effective PoE solution with integrated components

Ease of design with high compatibility and minimal additional components

Robust protection features ensure reliability and long product life

Proven performance from a reputable manufacturer, Texas Instruments

Highly efficient power delivery enabling energy savings