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MAX5955AEEE+ from maxim,MAXIM - Dallas Semiconductor

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MAX5955AEEE+

Manufacturer: maxim, MAX

Low-Voltage, Dual Hot-Swap Controllers with Independent On/Off Control

Partnumber Manufacturer Quantity Availability
MAX5955AEEE+ maxim, MAX 721 In Stock

Description and Introduction

Low-Voltage, Dual Hot-Swap Controllers with Independent On/Off Control The MAX5955AEEE+ is a Power over Ethernet (PoE) interface controller manufactured by Maxim Integrated.  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX5955AEEE+  
- **Package:** 16-QSOP (QSOP-16)  
- **Type:** IEEE 802.3af-compliant PoE PD (Powered Device) interface controller  
- **Input Voltage Range:** 36V to 57V (compliant with IEEE 802.3af standard)  
- **Output Voltage:** Adjustable (supports multiple output configurations)  
- **Power Classification:** Supports PD classification per IEEE 802.3af  
- **Integrated Power MOSFET:** Yes  
- **Operating Temperature Range:** -40°C to +85°C  
- **Features:**  
  - Detection and classification  
  - Programmable inrush current control  
  - Under-voltage lockout (UVLO)  
  - Thermal shutdown protection  
  - Low-power dissipation  

### **Descriptions and Features:**  
The MAX5955AEEE+ is designed for IEEE 802.3af-compliant PoE applications, providing a complete interface for powered devices (PDs). It integrates detection, classification, and power MOSFET control, simplifying PoE implementation. The device supports programmable inrush current limiting and includes protection features such as thermal shutdown and under-voltage lockout (UVLO).  

Key features include:  
- **IEEE 802.3af Compliance:** Ensures compatibility with standard PoE systems.  
- **Integrated Power MOSFET:** Reduces external component count.  
- **Programmable Inrush Current Control:** Prevents excessive current during startup.  
- **Thermal Protection:** Shuts down the device in case of overheating.  
- **Wide Operating Temperature Range:** Suitable for industrial applications.  

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

Application Scenarios & Design Considerations

Low-Voltage, Dual Hot-Swap Controllers with Independent On/Off Control

Alternative Part Number

  • TPS2412PWR --: Hot-swap controller with similar ORing/current-limit function in a TSSOP package; widely available and often used as a functional substitute for Maxim hot-swap controllers.
  • LTC4211CMS8 --: Hot-swap controller offering comparable inrush current limiting and fault protection; a common cross-reference for Maxim hot-swap ICs.
  • ADM1075-1ARJZ --: Hot-swap controller with current monitoring and protection features, suitable as an alternative when the exact Maxim part is unavailable.
  • LTC4261IGN#PBF --: Hot swap controller with similar function and pin-compatible feature set, widely available and well documented.
  • TPS2491DGSR --: Positive high-voltage hot swap controller offering comparable protection and current-limit features in a small package.
  • ADM1075-1ARQZ --: Hot-swap controller with integrated current sensing and fault protection, suitable as a functional substitute from a different series.

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