TPS2379DDA
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Texas Instruments TPS2379DDA

Manufacturer No:
TPS2379DDA
Manufacturer:
Texas Instruments
Package:
Bulk
Description:
IC POE CNTRL 1 CHANNEL 8SOPWR
Delivery:
Payment:
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Product Introduction

Overview

The TPS2379DDA, manufactured by Texas Instruments, is an 8-pin integrated circuit designed for Power over Ethernet (PoE) applications. It is specifically tailored for IEEE 802.3at Type 2 Powered Devices (PD), providing essential functionalities such as detection, classification, and inrush current limiting. With a low internal switch resistance of 0.5Ω and a robust 100V internal switch, the TPS2379DDA is ideal for high-power PoE applications, offering reliability and efficiency. Its market positioning targets network infrastructure, including VoIP phones, wireless access points, and security cameras, making it a competitive choice for designers seeking advanced PoE solutions.

Key Specifications

ParameterValueUnitNotes
Controller TypePoE PD Interface-IEEE 802.3at compliant
Input Voltage Range0 to 57V-
Operating Current0.85AMax continuous current
Inrush Current Limit140mATypical value
Internal Switch Resistance0.5ΩLow resistance for efficiency
Operating Temperature-40 to +85°CWide temperature range
PackageSO-PowerPad-8-Thermally enhanced

Key Features

  • Supports IEEE 802.3at Type 2 PoE standards.
  • Low internal switch resistance (0.5Ω) for high efficiency.
  • Robust 100V internal switch for reliable operation.
  • Integrated inrush current limiting (140mA typical).
  • Thermal shutdown and foldback current limit protection.
  • Designed for high-power applications with external gate drive support.

Applications

The TPS2379DDA is widely used in network infrastructure and industrial applications. It is particularly suitable for Power over Ethernet (PoE) systems, including VoIP phones, wireless access points, and security cameras. Its robust design and advanced features make it an excellent choice for high-power PoE devices, ensuring reliable performance in demanding environments.

Q & A

1. What is the operating voltage range of the TPS2379DDA?

The TPS2379DDA operates within a voltage range of 0V to 57V.

2. Does the TPS2379DDA support IEEE 802.3at standards?

Yes, it is fully compliant with IEEE 802.3at Type 2 PoE standards.

3. What is the maximum continuous current supported by the TPS2379DDA?

The maximum continuous current is 0.85A.

4. What is the typical inrush current limit?

The typical inrush current limit is 140mA.

5. What is the internal switch resistance of the TPS2379DDA?

The internal switch resistance is 0.5Ω.

6. What is the operating temperature range?

The operating temperature range is -40°C to +85°C.

7. What package does the TPS2379DDA use?

It uses a thermally enhanced SO-PowerPad-8 package.

8. Does the TPS2379DDA include protection features?

Yes, it includes thermal shutdown and foldback current limit protection.

9. Is an external gate drive required for high-power applications?

Yes, an external gate drive is required for high-power applications.

10. What are the typical applications of the TPS2379DDA?

Typical applications include VoIP phones, wireless access points, and security cameras.

Product Attributes

Type:Controller (PD)
Number of Channels:1
Power - Max:25 W
Internal Switch(s):Yes
Auxiliary Sense:No
Standards:IEEE 802.3
Voltage - Supply:0V ~ 57V
Current - Supply:850mA
Operating Temperature:-40°C ~ 125°C (TJ)
Mounting Type:Surface Mount
Package / Case:8-PowerSOIC (0.154", 3.90mm Width)
Supplier Device Package:8-SO PowerPad
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Similar Products

Part Number TPS2379DDA TPS2379DDAR TPS2378DDA
Manufacturer Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active
Type Controller (PD) Controller (PD) Controller (PD)
Number of Channels 1 1 1
Power - Max 25 W 25 W 25.5 W
Internal Switch(s) Yes Yes Yes
Auxiliary Sense No No Yes
Standards IEEE 802.3 IEEE 802.3 802.3at (PoE+), 802.3af (PoE)
Voltage - Supply 0V ~ 57V 0V ~ 57V 0V ~ 57V
Current - Supply 850mA 850mA 285µA
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 85°C
Mounting Type Surface Mount Surface Mount Surface Mount
Package / Case 8-PowerSOIC (0.154", 3.90mm Width) 8-PowerSOIC (0.154", 3.90mm Width) 8-PowerSOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SO PowerPad 8-SO PowerPad 8-SO PowerPad

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