TPS23841PAPR - Texas Instruments

Manufacturer Part Number

TPS23841PAPR

Manufacturer

Texas Instruments

Introduction

The TPS23841PAPR is a Power over Ethernet (PoE) controller designed for use in Power Sourcing Equipment (PSE) capable of delivering power to remote devices over Ethernet cabling.

Product Features and Performance

4-channel PoE power sourcing equipment controller

Integrated power MOSFETs for channel protection

Supports IEEE 802.3af-compliant devices

Supports 2-event classification

Adjustable power limiting

Port power scaling

Per port power good and fault reporting

Automatic maintain power signature (MPS)

Overcurrent and undercurrent protection

Programmable power-up and power-down sequences

Product Advantages

Integrated internal switch for simplified design

Reduced external component count

Efficient power management for multiple PoE devices

Enhanced system reliability through safety features

Extended temperature range suitable for industrial applications

Key Technical Parameters

Number of Channels: 4

Max Power per Port: 25 W

Internal Switch(s): Yes

Compliance: IEEE 802.3af (PoE)

Voltage - Supply: 21.5V ~ 57V

Current - Supply: 10mA

Operating Temperature Range: -40°C to 125°C

Quality and Safety Features

Thermal shutdown protection

Robust ESD and surge protection

Overtemperature protection

Auto-retry after fault

Compatibility

Compatible with standard-compliant PoE systems and devices

Interoperable with Ethernet switches supporting 802.3af

Application Areas

Enterprise networking infrastructure

Wireless access points

IP surveillance cameras

Voice over IP (VoIP) phones

Ethernet-powered IoT devices

Product Lifecycle

Product Status: Active

Not listed as nearing discontinuation

Replacements or upgrades should be verified with the manufacturer

Several Key Reasons to Choose This Product

Scalable power management for up to four PoE devices

Increased energy efficiency and safety

Robust design with integrated protection features

Capability to power a wide range of compatible PoE devices

Reliability for mission-critical applications due to extensive operational temperature range

Ease of integration into new and existing PSE designs due to its comprehensive feature set

Texas Instruments' reputation for quality and support in power management technology