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MAX5942BCSE from MAXIM,MAXIM - Dallas Semiconductor

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MAX5942BCSE

Manufacturer: MAXIM

IEEE 802.3af Power-Over-Ethernet Interface/PWM Controller for Power Devices

Partnumber Manufacturer Quantity Availability
MAX5942BCSE MAXIM 4 In Stock

Description and Introduction

IEEE 802.3af Power-Over-Ethernet Interface/PWM Controller for Power Devices The MAX5942BCSE is a power-over-Ethernet (PoE) interface controller manufactured by Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX5942BCSE  
- **Package:** 16-Wide SOIC  
- **Operating Temperature Range:** 0°C to +70°C  
- **Input Voltage Range:** 36V to 57V (IEEE 802.3af compliant)  
- **Output Voltage:** Adjustable (supports power device requirements)  
- **Detection and Classification:** Compliant with IEEE 802.3af standard  
- **Power Management:** Integrated PWM controller for DC-DC conversion  
- **Protection Features:** Overcurrent, overvoltage, and thermal shutdown  

### **Descriptions and Features:**  
- Designed for Power Sourcing Equipment (PSE) in PoE applications.  
- Provides detection, classification, and power management for powered devices (PDs).  
- Supports IEEE 802.3af standard for PoE.  
- Includes an integrated switching regulator controller for efficient power conversion.  
- Features fault protection mechanisms for safe operation.  
- Used in network switches, routers, and other PoE-enabled devices.  

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

Application Scenarios & Design Considerations

IEEE 802.3af Power-Over-Ethernet Interface/PWM Controller for Power Devices

Alternative Part Number

  • LTC4267CGN#PBF --: Integrated IEEE 802.3af PD interface and PWM controller in a similar function class, widely used as a MAX5942 alternative for PoE powered-device designs.
  • TPS23753APW --: PoE PD interface plus flyback controller with comparable feature set and pin-compatible style solution, good second-source option with broad availability.
  • SI3402-B-GM --: Fully integrated PoE PD interface and switching regulator controller offering similar functionality and a compact single-chip alternative to the MAX5942.

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