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LT4295 Datasheet (PDF) - Analog Devices

LT4295 Datasheet PDF - Analog Devices
Part # LT4295
Download  LT4295 Download
File Size   2573.53 Kbytes
Page   39 Pages
Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices
Description 24-/48-Port IEEE 802.3bt PoE PSE Controller

LT4295 Datasheet (PDF)

Go To PDF Page Download Datasheet
LT4295 Datasheet PDF - Analog Devices

Part # LT4295
Download  LT4295 Click to download

File Size   2573.53 Kbytes
Page   39 Pages
Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices
Description 24-/48-Port IEEE 802.3bt PoE PSE Controller

LT4295 Datasheet (HTML) - Analog Devices


LT4295 Product details

FEATURES
► Fully Compliant IEEE 802.3bt Type 3 2-Pair PSE
► Up to 48 PSE Ports with One Power Channel per Port
► +80V/–20V Tolerant Port-Facing Pins
► ECC-Protected eFlash and Data RAMs
► Industry-Leading Power Path Efficiency
► 100mΩ Sense Resistance
► 30mΩ or Lower MOSFET RDS(ON)
► Chipset Provides Electrical Isolation
► Eliminates Optos and Isolated 3.3V Supply
► Very High Reliability Multipoint PD Detection
► Continuous Voltage, Temperature, and Current Monitoring
► 1MHz I2C Compatible Serial Control Interface
► Pin or I2C Programmable PD Power
► Available in a 24-Lead 4mm × 4mm (LTC9101-2B) and 64-Lead
7mm × 11mm (LTC9102) QFN Packages
APPLICATIONS
► PoE PSE Switches/Routers and Midspans
DESCRIPTION
The LTC®9101-2B/LTC9102 chipset is a 12-/24-/48-port power
sourcing equipment (PSE) controller designed for use in IEEE
802.3bt-compliant Type 3 2-pair Power over Ethernet (PoE) systems.
The LTC9101-2B/LTC9102 is designed to power compliant
802.3af, 802.3at, and 802.3bt PDs. The LTC9101-2B/LTC9102
chipset delivers lowest-in-industry heat dissipation by utilizing low
RDS(ON) external MOSFETs and 0.1Ω sense resistance per power
channel. A transformer-isolated communication protocol replaces
expensive opto-couplers and a complex isolated 3.3V supply, resulting
in significant BOM cost savings.
Advanced power management features include per-port 14‑bit current/
voltage monitoring, programmable power limits, and versatile
fast shut down of preselected ports. PD detection uses a proprietary
multipoint detection mechanism ensuring excellent immunity
from false PD identification. Autoclass and 2-event physical classification
are supported. The LTC9101-2B/LTC9102 includes an I2C
serial interface operable up to 1MHz. The LTC9101-2B/LTC9102
is pin or I2C programmable to negotiate PD delivered power up to
25.5W.




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About Analog Devices


Analog Devices, Inc. (ADI) is a publicly traded company that designs, develops, and manufactures high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs).
The company was founded in 1965 and is headquartered in Norwood, Massachusetts.
ADI serves a wide range of industries, including aerospace and defense, automotive, communications, consumer, industrial, medical, and test and measurement.
The company's product portfolio includes data converters, amplifiers and comparators, power management ICs, microcontrollers, sensors, and radio frequency (RF) and microwave components, among others.
ADI is dedicated to innovation and customer satisfaction, and is committed to providing its customers with high-quality, reliable solutions to meet their needs.
With a focus on energy efficiency and sustainability, ADI is a leader in the analog and mixed-signal IC industry, driving technological advancements and providing innovative solutions to the world's most challenging problems.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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