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MAX5922CEUI+ from MAX,MAXIM - Dallas Semiconductor

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MAX5922CEUI+

Manufacturer: MAX

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

Partnumber Manufacturer Quantity Availability
MAX5922CEUI+,MAX5922CEUI MAX 11 In Stock

Description and Introduction

+48V, Single-Port Network Power Switch For Power-Over-LAN The MAX5922CEUI+ is a power-over-Ethernet (PoE) interface controller manufactured by Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (Analog Devices)  
- **Part Number:** MAX5922CEUI+  
- **Type:** PoE PD (Powered Device) Controller  
- **Package:** 28-TSSOP  
- **Operating Voltage Range:** 2.7V to 13.2V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Compliance:** IEEE 802.3af Standard  
- **Detection Signature:** 25kΩ  
- **Classification:** Programmable (Class 0 to 4)  
- **Power Dissipation:** Low-power operation  

### **Descriptions:**  
The MAX5922CEUI+ is a fully integrated PoE PD controller designed for IEEE 802.3af-compliant powered devices. It provides detection, classification, and undervoltage lockout (UVLO) functions required for PoE applications.  

### **Features:**  
- **Integrated 100V, 0.5Ω Power MOSFET**  
- **Programmable Inrush Current Limit**  
- **Supports 2-Event Classification per IEEE 802.3af**  
- **Thermal Shutdown Protection**  
- **Low-Power Operation for High Efficiency**  
- **UVLO with Hysteresis**  
- **Compact 28-Pin TSSOP Package**  

This device is commonly used in VoIP phones, wireless access points, and other PoE-powered equipment.

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 power-over-Ethernet sourcing function and comparable feature set, widely available alternative.
  • LTC4266CGW --: Quad PoE PSE controller offering comparable port power management and detection/classification functions in a similar package.
  • SI3452-B02-GM --: Quad PoE PSE controller with similar interface and power sourcing capability, suitable as a functional substitute.

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