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MAX5942AESE from MAXIM,MAXIM - Dallas Semiconductor

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MAX5942AESE

Manufacturer: MAXIM

IEEE 802.3af power-over-ethernet interface/PWM controller for power device

Partnumber Manufacturer Quantity Availability
MAX5942AESE MAXIM 883 In Stock

Description and Introduction

IEEE 802.3af power-over-ethernet interface/PWM controller for power device The MAX5942AESE is a Power over Ethernet (PoE) power sourcing equipment (PSE) controller manufactured by Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Package:** 16-pin narrow SOIC (SO)  
- **Operating Voltage Range:** 44V to 57V (IEEE 802.3af compliant)  
- **Detection Voltage Range:** 2.7V to 10V  
- **Classification Current:** Programmable (IEEE 802.3af compliant)  
- **Power Management:** Supports up to four ports  
- **Interface:** I²C-compatible for configuration and monitoring  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX5942AESE is designed for PoE applications, providing power management and control for Ethernet-powered devices (PDs). It integrates detection, classification, and power monitoring functions while complying with IEEE 802.3af standards.  

### **Features:**  
- **Automatic PD Detection & Classification:** Ensures compatibility with IEEE 802.3af.  
- **Programmable Current Limit:** Protects against overloads.  
- **Per-Port Power Monitoring:** Allows real-time power consumption tracking.  
- **I²C Interface:** Enables configuration and status monitoring.  
- **Integrated Power MOSFETs:** Simplifies design and reduces external components.  
- **Thermal Overload Protection:** Prevents damage due to excessive heat.  

For detailed electrical characteristics and application notes, refer to the official datasheet from Maxim Integrated (Analog Devices).

Application Scenarios & Design Considerations

IEEE 802.3af power-over-ethernet interface/PWM controller for power device

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