Manufacturer Part Number
LTC4291IUF-1#TRPBF
Manufacturer
Analog Devices
Introduction
LTC4291IUF-1#TRPBF is a Power over Ethernet (PoE) Controller IC designed for Power Sourcing Equipment (PSE) applications.
Product Features and Performance
Eight Channel PSE Controller
Supports up to 71.3 W of power per port
Compliance with IEEE standards 802.3at (PoE+), 802.3af (PoE), 802.3bt
Wide Voltage Supply Range from 3V to 3.6V
Low current supply requirement of 10mA
Surface Mount Package for robust design
Suitable for operating temperatures ranging from -40°C to 85°C
Product Advantages
Enables delivery of power alongside network data over Ethernet cabling
Facilitates centralized power management in multi-port PoE systems
No internal switches, offering greater design flexibility
High power capability per channel, catering to high-powered devices
Key Technical Parameters
Type: Controller (PSE)
Number of Channels: 8
Power Max: 71.3 W per channel
Internal Switch(s): No
Auxiliary Sense: No
Voltage - Supply: 3V to 3.6V
Current - Supply: 10mA
Operating Temperature: -40°C to 85°C
Mounting Type: Surface Mount
Quality and Safety Features
Built for reliable operation in a wide temperature range
Conforms to industry safety and performance standards
Compatibility
Compatible with Ethernet devices requiring PoE power, according to the standards mentioned
Application Areas
Network switches and injectors
Enterprise networking and telecommunication
Security cameras and surveillance systems
VoIP phones and wireless access points
Product Lifecycle
The product status is Active
Not reported as nearing discontinuation
Potential for future replacements or upgrades not specified
Several Key Reasons to Choose This Product
Provides a centralized and efficient PoE solution for up to 8 devices
High power capacity suitable for newer, power-hungry devices
Adherence to widely accepted industry PoE standards ensures broad compatibility
Low operating current minimizes power losses
Durable design suited for industrial temperature ranges
Easy integration into system design with surface mount package