TPS23851DCER - Texas Instruments

Manufacturer Part Number

TPS23851DCER

Manufacturer

Texas Instruments

Introduction

The TPS23851DCER is a Power over Ethernet (PoE) Controller IC for Power Sourcing Equipment (PSE) provided by Texas Instruments, designed for applications that require Powered Device (PD) detection and classification.

Product Features and Performance

PSE PoE Controller

Four Integrated Channels

Compliance with IEEE802.3at (PoE+) and IEEE802.3af (PoE)

Provides up to 34.2W of power per channel

Support for high-power PoE applications

No internal switches

Supports 44V to 57V supply voltage range

Low current consumption at 2mA

Designed for surface mounting on printed circuit boards

Product Advantages

Energy-efficient operation

Robust power management for multiple PoE devices

Optimized for IEEE802.3at and IEEE802.3af standards compliance

Simple integration into networking equipment

Key Technical Parameters

Number of Channels: 4

Power - Max: 34.2W per channel

Voltage - Supply: 44V to 57V

Current - Supply: 2mA

Operating Temperature: -20°C to 85°C

Quality and Safety Features

Built to provide reliable power management

Ensures safe operation within specified temperature ranges

Compatibility

Compatible with devices adhering to IEEE802.3at (PoE+) and IEEE802.3af (PoE) standards

Application Areas

Power Sourcing Equipment

Network switches and hubs

IP Cameras and security systems

Wireless Access Points

VoIP phones and related telecommunication devices

Product Lifecycle

Obsolete status - no longer in production

Check with manufacturer for replacement or upgrade options

Several Key Reasons to Choose This Product

Efficient PoE for up to four devices

Compliance with latest PoE standards for new and existing installations

Ability to manage high power requirements for PoE devices

Low operational current enhancing system power management

Suitable for a wide temperature range ensuring reliability in various environments