Datasheet for LTC4291IUF#TRPBF:
- Manufacturer Part Number : LTC4291IUF#TRPBF
- Manufacturer : AD
- Description : PoE++ PSE Digital Controller IC
- Series : LTC4291
- Reference Price : USD 1.648
- 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 : ROHS Compliant (Lead Free)
- Package Type : 24-Lead QFN (4mm x 4mm x 0.75mm w/ EP)
- Pins : 24
- MFG Package Case : 05-08-1697
- Part Type : REEL
- Standard Packing Type : Reel
- Standard Packing Quantity : 2500
- Working Temperature : -40 to 85C
- Other Part Number : LTC4291IUF#TRPBF
- 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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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.
This designates products ADI does not recommend broadly for new designs.
