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MAX5922AEUI from MAXIM,MAXIM - Dallas Semiconductor

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MAX5922AEUI

Manufacturer: MAXIM

+48V, Single-Port Network Power Switch For Power-Over-LAN

Partnumber Manufacturer Quantity Availability
MAX5922AEUI MAXIM 43 In Stock

Description and Introduction

+48V, Single-Port Network Power Switch For Power-Over-LAN The MAX5922AEUI is a power-over-Ethernet (PoE) interface controller manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX5922AEUI  
- **Package:** 28-TSSOP  
- **Operating Voltage Range:** 36V to 57V (compliant with IEEE 802.3af)  
- **Detection Voltage:** 2.7V to 10V  
- **Classification Current:** Programmable (IEEE 802.3af compliant)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Power Dissipation:** Up to 13W (with proper heat sinking)  

### **Descriptions:**  
The MAX5922AEUI is a single-port, IEEE 802.3af-compliant PoE interface controller designed for Power Sourcing Equipment (PSE). It provides detection, classification, and power management for connected Powered Devices (PDs). The device integrates power MOSFETs and current-sensing resistors, reducing external component count.

### **Features:**  
- **IEEE 802.3af Compliance:** Supports detection, classification, and power management.  
- **Integrated Power MOSFETs:** Reduces external components.  
- **Programmable Current Limit:** Protects against overloads.  
- **Dual-Level Current Limit:** Supports inrush and steady-state conditions.  
- **Thermal Shutdown Protection:** Prevents overheating.  
- **Low On-Resistance (RDS(ON)):** Minimizes power dissipation.  
- **Automatic Retry or Latch-Off:** Configurable fault response.  
- **Status Indicators:** LED drivers for power and fault conditions.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

+48V, Single-Port Network Power Switch For Power-Over-LAN

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