TPS23757PW

$2.94

Description：IC POE CNTRL 1 CHANNEL 20TSSOP
Series：-
Mfr：Texas Instruments
Package：Tube

SKU:d49a5c5c31ea Category: Power Over Ethernet (PoE) Controllers Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC POE CNTRL 1 CHANNEL 20TSSOP
Series：-
Mfr：Texas Instruments
Package：Tube
Type：Controller (PD), DC/DC
Number of Channels：1
Power - Max：13 W
Internal Switch(s)：Both
Auxiliary Sense：No
Standards：802.3at (PoE+), 802.3af (PoE)
Voltage - Supply：0V ~ 57V
Current - Supply：920µA
Operating Temperature：-40°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package：20-TSSOP

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TPS23757PW

Overview

The TPS23757PW is a high-efficiency Power over Ethernet (PoE) interface and DC/DC controller designed for Powered Devices (PD). It complies with the IEEE 802.3at standard, supporting up to 13 W output power. The device features a maximum on-resistance of 800 mOhms and a current limit of 400 mA. Operating voltage ranges from 0 V to 57 V, with a maximum duty cycle of 78%. Quiescent current is 920 uA. It operates within a temperature range of -40°C to +125°C and is housed in a TSSOP-20 package.

Feature Summary

Complies with IEEE 802.3at PoE standards for powered device applications
Integrates high-efficiency DC/DC controller with low on-resistance switch
Supports wide input voltage range suitable for various PoE PSE sources

Applications

IEEE 802.3at Powered Device implementations
Building power applications requiring 24 VAC support
Network infrastructure equipment powered via Ethernet

Procurement Notes

Verify the suffix 'PW' corresponds to the TSSOP-20 package variant rather than the 'PWR' reel version. Confirm RoHS compliance status through official documentation. Ensure the specific revision matches design requirements. Cross-reference the manufacturer part number against authorized distributor lists to avoid counterfeit components. Validate thermal performance specifications for the target operating environment.

Selection Notes

Select this component when IEEE 802.3at compliance is required for PD designs. Choose the TSSOP-20 package for space-constrained surface-mount applications. Consider the 800 mOhm on-resistance for efficiency optimization. Evaluate the 400 mA current limit against load requirements. Verify compatibility with external transformer designs for isolated outputs.

Part Context

The TPS23757 belongs to Texas Instruments' PoE controller family, offering enhanced efficiency compared to earlier generations. It serves as a complete solution for integrating PoE functionality into network devices. The device simplifies design by combining interface logic and DC/DC control in a single IC.