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Manufacturer / Brand: AD
Details: PoE++ PSE Digital Controller
Series: LTC4291
Quantity Available: Over 17350 pieces

Datasheet for LTC4291:

LTC4291 datasheet
Price for LTC4291
Product Parameters
  • Manufacturer Part Number : LTC4291
  • Manufacturer : AD
  • Description : PoE++ PSE Digital Controller
  • Series : LTC4291
  • Reference Price : USD 1.6
  • Our Price : We have a better price, contact us by email
  • Product Type : Power-over-Ethernet (PoE) Interface Controllers
  • Function : PoE Power Sourcing Equipment (PSE)
  • Current Suggest : Not Recommended for New Designs
  • Status : Production
  • RoHS Status: -
  • Voltage: -
  • Feature: -
  • Package Case: -
  • Temperature Range: -
  • Packing: Reel/Tray/Tube
  • Standard Packing Quantity: -
  • Country of Origin: -
  • Other Part Number : LTC4291
  • Shipping methods : DHL FEDEX UPS TNT
  • Delivery Time : Ship within 1 day.
  • Manufacturer Production time : 6-8 weeks (Normally have stocks)
  • Weight : 0.001KG

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Features and Benefits of LTC4291
Product Detailed Description for LTC4291

The LTC4292/LTC4291 chipset is a 4-port power sourcing equipment (PSE) controller designed for use in IEEE 802.3bt Type 3 and 4 compliant Power over Ethernet (PoE) systems. The LTC4292/LTC4291 is designed to power compliant 802.3af, 802.3at, and 802.3bt PDs. The LTC4292/LTC4291 chipset delivers lowest-in-industry heat dissipation by utilizing low-RDS(ON) external MOSFETs and 0.15Ω sense resistance per power channel. A transformer-isolated communication protocol replaces expensive opto-couplers and complex isolated 3.3V supply, resulting in significant BOM cost savings.

Advanced power management features include perport 14-bit current monitoring, programmable current limit, and versatile fast shut-down of preselected ports. Advanced power management host software is available under a no-cost license. PD detection uses a proprietary multipoint detection mechanism ensuring excellent immunity from false PD identification. Autoclass and 5-event physical classification are supported. The LTC4292/LTC4291 includes an I2C serial interface operable up to 1MHz. The LTC4292/LTC4291 is pin or I2C programmable to negotiate PD delivered power up to 71.3W.

Lifecycle information of LTC4291

This designates products ADI does not recommend broadly for new designs.

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