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Solutions Search - PoE Power Sourcing Equipment (PSE)

Power over Ethernet IC Delivers 123W over 1Gbps CAT5e Cable

Feb 6th 2017
MILPITAS, CA – February 6, 2017 – Linear Technology Corporation introduces the LTC4279 single port Power over Ethernet (PoE) controller for power sourcing equipment (PSE), delivering up to 123W of power over CAT-5e cable for power-hungry applications. Demand for higher power delivery comes from a widespread set of ...

Press Release 

 

DC2541A - LTC4279 Demo Board | Single Port PoE/PoE+/LTPoE++ PSE Controller (Up to 123W)

Jan 17th 2017
Demonstration circuit 2541A features the LTC®4279, an autonomous single port Power Sourcing Equipment (PSE) controller for use in IEEE 802.3at Type 1, Type 2 and LTPoE++® compliant Power over Ethernet (PoE) systems. The LTC4279 simplifies IEEE and LTPoE++ PSE implementation, requiring only a 45-57V supply and a small ...

Demo Board 

 

LTC3723-1 130W Isolated Push-Pull Converter for PoE Applications with 93.5% Peak Efficiency

Jeoffrey (Zijian) Wang - Applications Engineer Oct 3rd 2016
This solution is a non-synchronous isolated push-pull converter designed for PoE applications, which can generate a 50V/2.6A output from a 34-38V (36V typical) input voltage range. A 93.5% peak efficiency is achieved for the whole isolated converter and the total solution can be fit into 1/8 brick footprint (2.3” x 0.9”) ...

Circuit LTspice 

 

LTspice SOAtherm Support for PCB and Heat Sink Thermal Models

Dan Eddleman - Senior Applications Engineer Sep 1st 2016
The SOAtherm model distributed with LTspice software and simplifies Hot Swap and Surge Stopper designs by verifying directly within a circuit simulation that a particular MOSFET’s Safe Operating Area (SOA) is not exceeded. This article assumes a basic understanding of the SOAtherm model. If you are not familiar with SOAtherm, ...

Blog Post LTspice 

 

DC1840C - LTC4270B/LTC4271 Demo Board Kit | DC1680 + DC1682, 12-Port 25.5W PSE (req DC590)

Jun 1st 2016
Demonstration kit DC1840C is a 12-port IEEE 802.3at Type 2 power sourcing equipment (PSE) composed of a DC1682B daughter card and DC1680B mother board. The kit is used for evaluation of the LTC4270B and LTC4271 PSE chipset. Up to 12 powered devices (PDs) can be connected and powered from this system using a single power supply. ...

Demo Board QuikEval System 

 

DC1843B - LTC4290B/LTC4271: (DC1680 + DC1842) 8-Port 25.5W Demo Kit (req DC590)

Dec 4th 2015
Demonstration kit DC1843B is an 8-port IEEE 802.3at Type 2 power sourcing equipment (PSE) composed of a DC1842B daughter card and DC1680B motherboard. The kit is used for evaluation of the LTC4290B and LTC4271 PSE chipset. Up to 8 powered devices (PDs) can be connected and powered from this system using a single power supply. ...

Demo Board QuikEval System 

 

DC1366B - LTC4266 Demo Board | 25.5W PoE+ 4-Port Midspan PSE (req. DC590)

Nov 9th 2015
Demonstration circuit DC1366B features the LTC®4266, a quad network power controller with I2C® interface, designed for use in IEEE 802.3at compliant Power Sourcing Equipment (PSE). Integrated into a tiny 5mm × 7mm 38-pin QFN package are four independent channels controlling external N-channel power MOSFETs. ...

Demo Board 

 

DC1567B - LTC4274 Demo Board | IEEE802.3at Power Over Ethernet PSE

Oct 5th 2015
Demonstration circuit 1567B features the LTC®4274, a single power sourcing equipment (PSE) controller designed for use in IEEE 802.3 Type 1 (~13W at the PD) and Type 2 (~25.5W at the PD) compliant Power over Ethernet (PoE) systems. The LTC4274 is configured in the DC1567B as a midspan power injector where data comes in from ...

Demo Board 

 

LTC4226 Parallel MOSFETs in Hot Swap Circuits

Dan Eddleman - Senior Applications Engineer
Gabino Alonso - Strategic Marketing Engineer
Mar 13th 2015
The Good, the Bad, and the Ugly Introduction While it is often desirable, and sometimes absolutely critical, to use multiple parallel MOSFETs in Hot Swap™ circuits, careful analysis of Safe Operating Area (SOA) is essential. Each additional parallel MOSFET added to a circuit improves the voltage drop, power loss, and ...

Blog Post Circuit LTspice 

 

Isolated 8-Port PoE PSE Controllers Eliminate Optos for Lowest Solution Cost

Apr 29th 2013
MILPITAS, CA – April 29, 2013 – Linear Technology Corporation introduces the LTC4290/LTC4271 isolated 8-port power source equipment (PSE) controller chipset designed for use in IEEE 802.3at (PoE+) Type 1- and Type 2-compliant Power-over-Ethernet (PoE) systems. The LTC4290/4271 provides 8 independent PSE channels for simpler ...

Press Release 

 

LTPoE++ PSE & PD Controllers - Video Product Brief

Chris Gobok - Product Marketing Engineer Sep 21st 2012
Power over Ethernet, or PoE, is an increasingly popular way to deliver both power and data over existing Ethernet cable, thus freeing applications from the constraint of AC-power proximity. As the number PoE solutions has grown so has the applications’ appetite for power. A new proprietary standard, LTPoE++™, satisfies this ...

Video 

 

DC1814A-C - LTC4274A-3 Demo Board | LTPoE++ (70W) PSE

Oct 21st 2011
Demonstration circuit 1814A features the LTC®4274A, single port power sourcing equipment (PSE) controller, capable of delivering up to 90W of LTPoE++™ power to a compatible LTPoE++ powered device (PD). A proprietary detection/classification scheme allows mutual identification between an LTPoE++ PSE and LTPoE++ PD while ...

Demo Board 

 

DC1814A-B - LTC4274A-2 Demo Board | LTPoE++ (52.7W) PSE

Oct 21st 2011
Demonstration circuit 1814A features the LTC®4274A, single port power sourcing equipment (PSE) controller, capable of delivering up to 90W of LTPoE++™ power to a compatible LTPoE++ powered device (PD). A proprietary detection/classification scheme allows mutual identification between an LTPoE++ PSE and LTPoE++ PD while ...

Demo Board 

 

DC1815A-B - LTC4266A-2 Demo Board | 4-Port 52.7W LTPoE++ PSE (req. DC590)

Oct 21st 2011
Demonstration circuit 1815A features the LTC®4266A quad power sourcing equipment (PSE) controller, capable of delivering up to 90W of LTPoE++™ power to a compatible LTPoE++ powered device (PD). A proprietary detection/ classification scheme allows mutual identification between an LTPoE++ PSE and LTPoE++ PD while remaining ...

Demo Board QuikEval System 

 

DC1815A-D - LTC4266A-4 Demo Board | 4-Port 90W LTPoE++ PSE (req. DC590)

Oct 21st 2011
Demonstration circuit 1815A features the LTC®4266A quad power sourcing equipment (PSE) controller, capable of delivering up to 90W of LTPoE++™ power to a compatible LTPoE++ powered device (PD). A proprietary detection/ classification scheme allows mutual identification between an LTPoE++ PSE and LTPoE++ PD while remaining ...

Demo Board QuikEval System 

 

DC1815A-C - LTC4266A-3 Demo Board | 4-Port 70W LTPoE++ PSE (req. DC590)

Oct 21st 2011
Demonstration circuit 1815A features the LTC®4266A quad power sourcing equipment (PSE) controller, capable of delivering up to 90W of LTPoE++™ power to a compatible LTPoE++ powered device (PD). A proprietary detection/ classification scheme allows mutual identification between an LTPoE++ PSE and LTPoE++ PD while remaining ...

Demo Board QuikEval System 

 

DC1815A-A - LTC4266A-1 Demo Board | 4-Port 38.7W LTPoE++ PSE (req. DC590)

Oct 21st 2011
Demonstration circuit 1815A features the LTC®4266A quad power sourcing equipment (PSE) controller, capable of delivering up to 90W of LTPoE++™ power to a compatible LTPoE++ powered device (PD). A proprietary detection/ classification scheme allows mutual identification between an LTPoE++ PSE and LTPoE++ PD while remaining ...

Demo Board QuikEval System 

 

DC1814A-A - LTC4274A-1 Demo Board | LTPoE++ (38.7W) PSE

Sep 28th 2011
Demonstration circuit 1814A features the LTC®4274A, single port power sourcing equipment (PSE) controller, capable of delivering up to 90W of LTPoE++™ power to a compatible LTPoE++ powered device (PD). A proprietary detection/classification scheme allows mutual identification between an LTPoE++ PSE and LTPoE++ PD while ...

Demo Board 

 

Quad & Single LTPoE++ PSE Controllers Deliver Up to 90W

Jun 28th 2011
MILPITAS, CA – June 28, 2011 – Linear Technology Corporation introduces the LTC4266A and LTC4274A, 4-port and single-port Power over Ethernet (PoE) controllers for Power Sourcing Equipment (PSE), delivering up to 90W of power to Powered Devices (PDs). The current IEEE standard, 802.3at (also known as PoE+), limits the maximum available ...

Press Release 

 

Isolated 12-Port Power over Ethernet PSE Controller Chipset Eliminates Optos for Lowest Solution Cost

May 2nd 2011
MILPITAS, CA – May 2, 2011 – Linear Technology Corporation introduces the LTC4270/ LTC4271 isolated 12-port Power Source Equipment (PSE) controller chipset designed for use in IEEE 802.3at (PoE+) Type 1 and Type 2 compliant Power over Ethernet (PoE) systems. The LTC4270/71 provides 12 independent PSE channels for simpler, ...

Press Release 

 

DC1814A-D - LTC4274A-4 Demo Board | LTPoE++ (90W) PSE

Mar 23rd 2011
Demonstration circuit 1814A features the LTC®4274A, single port power sourcing equipment (PSE) controller, capable of delivering up to 90W of LTPoE++™ power to a compatible LTPoE++ powered device (PD). A proprietary detection/classification scheme allows mutual identification between an LTPoE++ PSE and LTPoE++ PD while ...

Demo Board 

 

DC609C - [Use DC1366A (LTC4266) for new designs!] 4-port demo board using LTC4259ACGW (req DC590)

Jan 12th 2011
DC609C - Demo Board for:LTC4259A - Quad IEEE 802.3af Power over Ethernet Controller with AC Disconnect ...

Demo Board QuikEval System 

 

High Efficiency PSE Controller Addresses New IEEE 802.3at PoE+ Standard

Nov 11th 2009
MILPITAS, CA - November 11, 2009 - Linear Technology Corporation introduces the LTC4274, a single-channel Power over Ethernet (PoE) controller for power sourcing equipment (PSE) required to provide IEEE 802.3at (25.5W) or proprietary higher power levels. Next-generation PoE applications call for more power to support demanding ...

Press Release 

 

High Efficiency Quad PSE Controller Addresses IEEE 802.3at PoE+ Standard

Jun 1st 2009
MILPITAS, CA - June 1, 2009 - Linear Technology Corporation introduces the LTC4266, a 4-port Power over Ethernet (PoE) controller for Power Sourcing Equipment (PSE) required to provide IEEE 802.3at (25.5W) or proprietary higher power levels. Next-generation PoE applications call for more power to support demanding features, ...

Press Release 

 

Single Port Power Over Ethernet Controller Simplifies PSE Design

Nov 13th 2006
MILPITAS, CA - November 13, 2006 - Linear Technology Corporation introduces the LTC4263, an autonomous single-channel Power Sourcing Equipment (PSE) controller with an onboard MOSFET for use in IEEE 802.3af Power Over Ethernet (PoE) compliant systems. Requiring only a few external components, the IC is a complete single-port ...

Press Release 

 

DC981A/B - LTC4263 DC981A Midspan demoboard with DC981B Endspan plugin

Apr 7th 2006
DC981A/B - Demo Board for:LTC4263 - Single IEEE 802.3af Compliant PSE Controller with Internal Switch ...

Demo Board