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TPS2378DDAR The Texas Instruments TPS2378DDAR is a PoE Controller designed for powered devices. It supports IEEE 802.3at Type 1 and Type 2 standards.
Mfr Part #:

TPS2378DDAR

Available from 5 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS2378DDAR is a PoE Controller designed for powered devices. It supports IEEE 802.3at Type 1 and Type 2 standards.
✓ Total Stock: 56,429 pcs
$ Price Range: $0.75

TPS2378DDAR Available from 5 distributors

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TPS2378DDAR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Manufacturer Name
Auxiliary Sense
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Internal Switch(s)
Mounting Type
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Operating Temperature
Power
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TPS2378DDAR Description

Short technical summary and product information.

The Texas Instruments TPS2378DDAR is an integrated circuit designed to implement an IEEE 802.3at Type-2 powered device (PD) interface. This controller supports both 802.3af and 802.3at PoE standards, enabling power levels of 13W and 25W.

 

Key electrical specifications include a maximum input voltage of 57V and a minimum input voltage of 0V. It features a PoE current limit of 850mA and an inrush current limit of 0.14A typical. The device has an RDS(on) per FET of 420mΩ typical and includes features like PG, primary-side adapter priority, and thermal shutdown. The operating temperature range is -40°C to 85°C.

 

Packaged in an 8-SO PowerPad (8-PowerSOIC), this surface-mount device is suitable for various applications requiring Power over Ethernet connectivity. It includes a robust 100V, 0.5Ω hotswap MOSFET and system-level ESD capability of 15kV and 8kV.

TPS2378DDAR Quick Information

Product Type: PoE Controller
Canonical Name: Texas Instruments TPS2378 PoE Controller

TPS2378DDAR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TPS2378DDAR Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

TPS2378DDAR Features

  • Supports IEEE 802.3at PoE standards.
  • Handles 13W and 25W PD power levels.
  • Features 57V maximum input voltage.
  • Includes 850mA PoE current limit.
  • Surface mount 8-SO PowerPad package.

TPS2378DDAR Applications

  • Ideal for Power over Ethernet devices.
  • Suitable for powered device applications.
  • Used in network infrastructure.
  • Enables remote power delivery.

TPS2378DDAR FAQs

7 frequently asked questions generated from this part’s specifications.
What PoE standards does the TPS2378DDAR support?

IEEE 802.3af (PoE) and 802.3at (PoE+) Type 1 and Type 2.

What is the maximum power output of the TPS2378DDAR?

25.5 W.

What is the operating temperature range?

-40°C to 85°C.

What package is the TPS2378DDAR available in?

8-SO PowerPad (8-PowerSOIC, 0.154", 3.90mm width).

What is the input voltage range?

0V to 57V.

What is the typical operating current limit?

1 A.

What features are included?

Power-good (PG), primary-side adapter priority, and thermal shutdown.

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