PM8803TR - STMicroelectronics

Manufacturer Part Number

PM8803TR

Manufacturer

stmicroelectronics

Introduction

The PM8803TR is a power management integrated circuit designed for Power Over Ethernet (PoE) applications.

Product Features and Performance

Controller for PoE-PD applications

Integrated PoE-PD and DC/DC controller functionality

Supports IEEE 802.3at (PoE+) and 802.3af (PoE) standards

Single channel operation

5 W maximum power output

Internal power MOSFETs included

-40°C to 85°C operating temperature range

Surface mount 20-TSSOP with exposed pad package for efficient heat dissipation

Product Advantages

High integration reduces component count

Supports high power applications

Thermal protection enhances safety

Key Technical Parameters

Type: Controller (PD), DC/DC

Number of Channels: 1

Power - Max: 25.5 W

Internal Switch(s): Both

Standards: 802.3at (PoE+), 802.3af (PoE)

Operating Temperature: -40°C ~ 85°C

Package / Case: 20-TSSOP

Exposed Pad for improved thermal performance

Quality and Safety Features

Thermal shutdown protection

Overvoltage and undervoltage lockout

Overcurrent protection

Compatibility

Compatible with IEEE 802.3at and 802.3af PoE standards

Application Areas

Power Over Ethernet devices

VoIP phones

Wireless Network Access Points

Security Cameras

Industrial controls

Product Lifecycle

Active status

Consult manufacturer for potential end-of-life notifications and future replacement options

Key Reasons to Choose This Product

High power capability up to 25.5 W for demanding PoE applications

Integration of PoE-PD and DC/DC controller for reduced system complexity

Compliance with IEEE 802.3at and 802.3af ensures broad compatibility

Thermal management features for reliable operation

Proven manufacturer stmicroelectronics known for quality and performance

Suitability for a wide range of applications due to operational temperature range and protection features