TPS2378DDA

$1.40

Description：IC POE CNTRL 1 CHANNEL 8SOPWR
Series：-
Mfr：Texas Instruments
Package：Tube

SKU:319d08f5dcb4 Category: Power Over Ethernet (PoE) Controllers Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC POE CNTRL 1 CHANNEL 8SOPWR
Series：-
Mfr：Texas Instruments
Package：Tube
Type：Controller (PD)
Number of Channels：1
Power - Max：25.5 W
Internal Switch(s)：Yes
Auxiliary Sense：Yes
Standards：802.3at (PoE+), 802.3af (PoE)
Voltage - Supply：0V ~ 57V
Current - Supply：285µA
Operating Temperature：-40°C ~ 85°C
Mounting Type：Surface Mount
Package / Case：8-PowerSOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SO PowerPad

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TPS2378DDA

Overview

The TPS2378DDA is a Powered Device (PD) interface controller compliant with the IEEE 802.3at standard for Power over Ethernet applications. It operates within an input voltage range of 0 V to 57 V and supports a maximum current limit of 850 mA. The device features a maximum on-resistance of 750 mOhms and consumes a typical operating supply current of 285 uA. Designed for surface-mount installation, it utilizes an SO-PowerPad-8 package and functions reliably across a temperature range of -40°C to +85°C.

Feature Summary

Complies with IEEE 802.3at standards for high-power PoE powered devices
Integrates power switch control with classification capabilities
Supports operation up to 57 V input voltage
Includes thermal shutdown protection

Applications

IEEE 802.3at Powered Device interfaces
High-power PoE endpoint systems
Non-standard four-pair PoE solutions

Procurement Notes

Verify the specific suffix 'DDA' corresponds to the tube packaging format when ordering. Confirm that the design accommodates the SO-PowerPad-8 thermal requirements. Ensure the application circuit matches the 802.3at compliance specifications provided in the official datasheet. Cross-reference the manufacturer part number to avoid confusion with similar variants like the TPS2379.

Selection Notes

Select this component for designs requiring strict adherence to the IEEE 802.3at standard. The integrated power switch simplifies the bill of materials by reducing external component count. Consider the thermal performance of the PowerPad package for high-current applications. Verify compatibility with the intended PoE PSE class detection levels.

Part Context

This part belongs to the Texas Instruments TPS237x family of PoE PD controllers. These devices are engineered to simplify the implementation of powered devices in Ethernet networks. The family offers various options for different power classes and packaging needs, serving as core components for network infrastructure endpoints.

Replacement Considerations

The TPS2379DDA is a documented alternative within the same product family. Verify functional equivalence regarding current limits and pinout compatibility before substitution.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

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Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

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Mode of Transportation

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.