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TPS23753APWR from TI/BB,Texas Instruments

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TPS23753APWR

Manufacturer: TI/BB, TI

IEEE 802.3-2005 PoE Interface and Isolated Converter Controller with Enhanced ESD Ride-Through 14-TSSOP -40 to 125

Partnumber Manufacturer Quantity Availability
TPS23753APWR TI/BB, TI 2724 In Stock

Description and Introduction

IEEE 802.3-2005 PoE Interface and Isolated Converter Controller with Enhanced ESD Ride-Through 14-TSSOP -40 to 125 The TPS23753APWR is a Power over Ethernet (PoE) Powered Device (PD) interface controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Input Voltage Range:** 0V to 57V  
- **Operating Temperature Range:** -40°C to 125°C  
- **Package:** 14-pin TSSOP (Thin Shrink Small Outline Package)  
- **Compliance:** IEEE 802.3bt (High-Power PD) and IEEE 802.3at (PoE+)  
- **Maximum Power:** Supports up to 71.3W (Class 8)  
- **Detection & Classification:** Automatic PD detection and classification  
- **Integrated Switching Regulator:** Supports flyback, forward, and buck topologies  
- **Inrush Current Limiting:** Programmable  
- **UVLO (Undervoltage Lockout):** Adjustable  

### **Descriptions:**  
The TPS23753APWR is a high-efficiency PoE PD controller designed for IEEE 802.3bt applications. It integrates detection, classification, and a robust power interface, making it suitable for high-power PDs such as wireless access points, security cameras, and industrial IoT devices.  

### **Features:**  
- **Supports IEEE 802.3bt (4-pair PoE) and backward-compatible with 802.3at/af**  
- **Programmable inrush current control**  
- **Integrated 100V, 0.4Ω power MOSFET**  
- **Supports auxiliary power adapter input (AUX mode)**  
- **Thermal shutdown protection**  
- **Low standby power consumption**  
- **Adjustable UVLO for auxiliary power compatibility**  

This device simplifies PoE implementation while ensuring compliance with industry standards.

Application Scenarios & Design Considerations

IEEE 802.3-2005 PoE Interface and Isolated Converter Controller with Enhanced ESD Ride-Through 14-TSSOP -40 to 125

Alternative Part Number

  • LT4275AIMS#PBF --: Pin-compatible IEEE 802.3at PD controller with integrated hot-swap MOSFET and DC-DC controller, functionally similar to the TPS23753A and widely used as a drop-in alternative in PoE PD designs.
  • MAX5969AETE+ --: IEEE 802.3af/at compliant PD interface controller with hot-swap switch, suitable replacement for the PD front-end portion of the TPS23753A in powered-device applications.
  • NCP1081DR2G --: Integrated PoE-PD controller and high-efficiency DC-DC converter supporting IEEE 802.3af/at, offering a comparable single-chip solution to the TPS23753A for PoE powered devices.
  • MAX5941AESE+ --: IEEE 802.3af/at PD interface and PWM controller in a similar small package, offering comparable PoE PD functionality for isolated flyback designs.

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