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