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MAX5922AEUI+ from MAX,MAXIM - Dallas Semiconductor

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MAX5922AEUI+

Manufacturer: MAX, MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX5922AEUI+,MAX5922AEUI MAX, MAXIM 100 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 specifications, descriptions, and features based on factual information:

### **Manufacturer:**  
- **MAX** (Maxim Integrated, now part of Analog Devices)  

### **Specifications:**  
- **Part Number:** MAX5922AEUI+  
- **Package:** 28-TSSOP  
- **Operating Voltage Range:** 36V to 57V (IEEE 802.3af compliant)  
- **Output Voltage:** Adjustable (supports classification)  
- **Detection Signature Resistance:** 24.9kΩ ±1%  
- **Classification Current:** Programmable (per IEEE 802.3af)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Power Dissipation:** Up to 12.95W (with proper heat sinking)  
- **Compliance:** IEEE 802.3af compliant  

### **Descriptions:**  
- The MAX5922AEUI+ is a PoE interface controller designed for Power Sourcing Equipment (PSE) applications.  
- It provides detection, classification, and power management for PoE-enabled devices.  
- Supports automatic detection and power delivery to compliant Powered Devices (PDs).  
- Includes programmable current limiting and thermal shutdown protection.  

### **Features:**  
- **Integrated Power MOSFET** for switching and power control.  
- **Programmable Current Limit** for safe power delivery.  
- **IEEE 802.3af Compliant** detection and classification.  
- **Thermal Shutdown Protection** to prevent overheating.  
- **Low-Power Standby Mode** for energy efficiency.  
- **Adjustable Classification Current** for different PD power levels.  
- **28-Pin TSSOP Package** for compact PCB designs.  

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

Application Scenarios & Design Considerations

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

Alternative Part Number

  • TPS2384PAP --: Quad-port PoE PSE controller with similar hot-swap and current-limit functionality, widely available and pin-compatible in function.
  • LTC4259ACGN --: Quad PoE PSE controller offering comparable power sourcing and protection features for similar applications.
  • BQ25504RGTR --: Hot-swap power management IC with current limiting and protection, suitable as a functional substitute in power interface designs.
  • LTC4266CGW --: Quad PoE PSE controller with I2C, comparable port count and control interface, suitable as a cross-vendor alternative.
  • SI3452-B02-GM --: Quad PoE PSE controller with I2C interface, similar PoE PSE function and package class, usable as a secondary alternative.

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