Datasheet Details
| Part number | SI3461 |
|---|---|
| Manufacturer | Silicon Laboratories |
| File Size | 370.41 KB |
| Description | SINGLE-PORT IEEE 802.3AT POE/POE PSE INTERFACE |
| Datasheet |
 SI3461 Datasheet
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General Description
The Si3461 is a single-port power management controller for IEEE 802.3at-compliant Power Sourcing Equipment (PSE).
The Si3461 can be powered from a 50 V input using a shunt regulator, or, to save power, it can be powered from 50 V and 3.3 V power supplies.
Key Features
- IEEE-compliant disconnect IEEE 802.3atTM compliant PSE.
- Inrush current control.
- Autonomous operation requires.
- Short-circuit output fault no host processor interface protection.
- Complete reference design.
- LED status signal (detect, power good, output fault) available, including Si3461 controller and schematic:.
- UNH Interoperability Test Lab report available.
- Low-cost BOM.
- Compact PCB footprint.
- Extended operating range.
- Operates directly fr.