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TPS2375D from TI,Texas Instruments

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TPS2375D

Manufacturer: TI

IEEE 802.3af PoE Powered Device Controllers

Partnumber Manufacturer Quantity Availability
TPS2375D TI 5000 In Stock

Description and Introduction

IEEE 802.3af PoE Powered Device Controllers The TPS2375D is a Power over Ethernet (PoE) Powered Device (PD) interface controller manufactured by Texas Instruments (TI).  

### **Key Specifications:**  
- **Input Voltage Range:** 0V to 57V  
- **Operating Voltage Range:** 36V to 57V (after classification)  
- **Classification Current Levels:** IEEE 802.3af compliant (Class 0 to 4)  
- **Maximum Power Dissipation:** 1.5W  
- **Operating Temperature Range:** -40°C to 125°C  
- **Package:** SOIC-8  

### **Descriptions:**  
The TPS2375D integrates a PD interface and a DC-DC controller for PoE applications. It supports IEEE 802.3af standards, providing detection, classification, and undervoltage lockout (UVLO) functions.  

### **Features:**  
- IEEE 802.3af compliant PD interface  
- Integrated 0.25Ω power MOSFET for inrush and isolation  
- Programmable inrush current limit  
- Programmable undervoltage lockout (UVLO) with hysteresis  
- Thermal shutdown protection  
- Supports both isolated and non-isolated DC-DC converters  
- Low standby power consumption  

This information is sourced from the official Texas Instruments datasheet for the TPS2375D.

Application Scenarios & Design Considerations

IEEE 802.3af PoE Powered Device Controllers

Alternative Part Number

  • LT4275AIDD#PBF --: Pin-compatible IEEE 802.3af/at PoE PD controller with integrated detection and classification, similar hot-swap MOSFET drive and current-limit behavior; a strong drop-in candidate when layout allows the DFN package.
  • MAX5941AESE+ --: IEEE 802.3af-compliant PoE PD interface controller with integrated hot-swap switch and signature resistor, functionally equivalent to the TPS2375D for powered-device front ends.
  • SI3402-B-GM --: Integrated PoE PD interface and DC-DC controller supporting 802.3af, offering detection, classification and hot-swap functions comparable to the TPS2375D in a single package.

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