MAX5945 Overview
Description
The MAX5945 quad network power controller is designed for use in IEEE 802.3af-compliant power-sourcing equipment (PSE). The device provides power devices (PD) discovery, classification, current-limit, and both DC and AC load disconnect detections.
Key Features
- IEEE 802.3af Compliant
- Pin and Function Compatible with LTC4259A
- Controls Four Independent, -48V-Powered Ethernet Ports in Either Endpoint or Midspan PSE Applications
- Wide Digital Power Input, VDIG, Common-Mode Range: VEE to (AGND + 7.7V)
- PD Violation of Class Current Protection
- PD Detection and Classification
- Provides Both DC and AC Load Removal Detections
- I2C-Compatible, 3-Wire Serial Interface
- Fully Programmable and Configurable Operation Through I2C Interface
- Current Foldback and Duty-CycleControlled/Programmable Current Limit
