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LTC4291 - 4-Port IEEE 802.3bt PoE PSE Controller

Download the LTC4291 datasheet PDF. This datasheet also covers the LTC4292 variant, as both devices belong to the same 4-port ieee 802.3bt poe pse controller family and are provided as variant models within a single manufacturer datasheet.

Description

The LTC®4292/LTC4291 chipset is a 4-port power sourcing equipment (PSE) controller designed for use in IEEE 802.3bt Type 3 and

Features

  • nn Four PSE Ports nn Two Power Channels Per Port nn Fully Compliant IEEE 802.3bt Type 3 and 4 PSE nn Compliant Support for Type 1, 2, 3, and 4 PDs nn Low Power Path Dissipation per Channel nn 150mΩ Sense Resistance nn 30mΩ or Lower MOSFET RDS(ON) nn Chipset Provides Electrical Isolation nn Eliminates Optos and Isolated 3.3V Supply nn Very High Reliability Multipoint PD Detection nn Connection Check Distinguishes SingleSignature and Dual-Signature PDs nn Continuous, Dedicated Per-Port Power and C.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LTC4292-AnalogDevices.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

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LTC4210-3 Hot Swap Controller Linear Technology
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Other Datasheets by Analog Devices

Part Number Description
LTC4291-1 4-Port IEEE 802.3bt PoE PSE Controller
LTC4292 4-Port IEEE 802.3bt PoE PSE Controller
LTC4296-1 5-Port SPoE PSE Controller
LTC4231 Micropower Hot Swap Controller
LTC4238 High Voltage High Current Hot Swap Controller

Full PDF Text Transcription

Click to expand full text
FEATURES nn Four PSE Ports nn Two Power Channels Per Port nn Fully Compliant IEEE 802.3bt Type 3 and 4 PSE nn Compliant Support for Type 1, 2, 3, and 4 PDs nn Low Power Path Dissipation per Channel nn 150mΩ Sense Resistance nn 30mΩ or Lower MOSFET RDS(ON) nn Chipset Provides Electrical Isolation nn Eliminates Optos and Isolated 3.3V Supply nn Very High Reliability Multipoint PD Detection nn Connection Check Distinguishes SingleSignature and Dual-Signature PDs nn Continuous, Dedicated Per-Port Power and Current Monitoring nn Per-Port Power Policing nn 1MHz I2C Compatible Serial Control Interface nn Pin or I2C Programmable PD Power Up to 71.
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