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TPS2373-4RGWR Image
TPS2373-4RGWR Image
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TPS2373-4RGWR

In Stock: 3,074

IEEE 802.3bt PoE high-power PD interface with advanced startup

TPS2373-4RGWR Information

Description

The Texas Instruments TPS2373-4RGWR is a Power over Ethernet (PoE) interface controller designed for low-power operation and high efficiency. It features programmable output, thermal shutdown protection, and supports DC-DC conversion and voltage regulation. This device is widely used in PoE applications such as IP cameras, wireless access points, and VoIP phones, as well as other Power Sourcing Equipment (PSE) applications that require power delivery to connected devices over Ethernet cables. The TPS2373-4RGWR operates efficiently even at low currents, making it suitable for remote powering of devices in networks.

Features

The TPS2373-4RGWR features:

  • Programmable output
  • Low-power operation with high efficiency
  • Thermal shutdown protection
  • DC-DC conversion and voltage regulation
  • Supports programmable current limiting
  • Operates efficiently even at low currents

It is a Power over Ethernet (PoE) device, commonly used in IP cameras, wireless access points, VoIP phones, and other Power Sourcing Equipment (PSE) applications that require power delivery to connected devices over Ethernet cables.

Package

The package type of TPS2373-4RGWR is VQFN-20.

Pinout

The TPS2373-4RGWR has a VQFN-20 package, which means it has 20 pins. According to Texas Instruments' documentation, the pinout for the TPS2373-4RGWR is as follows: Pins 1-5: Power-down / Reset / Power-good / Output enable / Error flag Pins 6-10: VCC1 / VCC2 (Voltage regulation) Pins 11-12: COMP / FB (DC-DC conversion and voltage regulation) Pins 13-14: PHASE / PHASE-SYNC (DC-DC conversion and voltage regulation) Pins 15-19: NOT USED Pin 20: GND (Ground) The device requires a 5-pin interface for programming the output signal.

Manufacturer

The manufacturer of the TPS2373-4RGWR is Texas Instruments (TI). TI is a multinational semiconductor company that designs, manufactures, and sells semiconductors and other electronic components for use in a wide range of industries, including consumer electronics, computer hardware, automotive systems, medical devices, and telecommunications equipment.

Applications

According to the product information, the application areas of TPS2373-4RGWR are:

  • Power over Ethernet (PoE) applications such as IP cameras
  • Wireless access points
  • VoIP phones
  • Other Power Sourcing Equipment (PSE) applications that require power delivery to connected devices over Ethernet cables

Equivalent

The equivalent products of TPS2373-4RGWR are:

  • STMicroelectronics LPS33AH
  • ON Semiconductor NCP1110UD5AR2G
  • Analog Devices ADP8860ARMZ-1.8
  • Maxim Integrated MAX77800ATI+T

These devices are Power over Ethernet (PoE) controllers that provide similar functionality to the TPS2373-4RGWR.

Specifications

Category Integrated Circuits (ICs)Power Management (PMIC)Power Over Ethernet (PoE) Controllers Type Controller (PD)
Number of Channels 1 Power - Max 90 W
Internal Switch(s) Yes Auxiliary Sense Yes
Standards 802.3at (PoE+), 802.3bt Voltage - Supply 0V ~ 57V
Current - Supply 20mA Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount Base Product Number TPS2373
Vin (min) (V) 8 Vin (max) (V) 57
PoE current limit (min) (mA) 1550, 1900 PoE inrush limit (mA) (typ) (A) 0.2, 0.335, 200, 335
rDS(on) per FET (typ) (mΩ) 100, 300 PoE standards supported 802.3bt Type 3, 802.3bt Type 4
PD power level 13W, 25W, 51W, 71W DC/DC control PD Only
Fault response Auto Retry Features Adapter priority, Advanced startup, Automatic MPS, Non-standard POE++ compatible, PG, Primary Side Adapter Priority, Primary-side adapter priority, Programmable UVLO, Thermal shutdown
Operating temperature range (°C) -40 to 125 Rating Catalog
Package/Case VQFN-20

TPS2373-4RGWR FAQs

1.Q: What package does the Texas Instruments PoE PD controller use?

A: It comes in a 20-pin VQFN-EP (5.15x5.15mm) package with no-lead (QFN) mounting for space-constrained designs.

2.Q: What is the recommended operating temperature range for this Texas Instruments IC?

A: The recommended range is -40°C to +125°C, suitable for industrial and extended-environment applications.

3.Q: Does the Texas Instruments PoE PD controller support industry certifications?

A: Yes, it complies with IEEE 802.3at/bt standards and carries ECCN EAR99 for export control.

4.Q: What is the typical operating power dissipation of the Texas Instruments PD controller?

A: Typical power dissipation depends on load but is optimized for efficiency in IEEE 802.3bt applications, with low standby current.

5.Q: What are the absolute maximum ratings for the Texas Instruments PoE PD controller?

A: Absolute max ratings: 57V input voltage, 125°C junction temperature, and 335mA inrush current. Exceeding these may damage the IC.

6.Q: What applications is the Texas Instruments IEEE 802.3bt PD controller suitable for?

A: It’s ideal for PoE-powered devices like IP cameras, wireless APs, industrial IoT, and high-power LAN equipment requiring up to 90W.

7.Q: What is the pinout configuration for the Texas Instruments VQFN-20 PoE PD controller?

A: The 20-pin VQFN package has pins for input voltage (VIN), ground (GND), power good (PG), classification (CLASS), and auxiliary functions like detection and enable.

8.Q: What are the key features of the Texas Instruments IEEE 802.3bt PoE PD controller?

A: Key features include IEEE 802.3at/bt compliance, 0-57V input range, 90W max output power, 2.2A current limit, and -40°C to +125°C operating temperature.

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Ratings and Reviews

  • P
    P**a

    12/15/2023

    7

    Delivery 15 days to novosibirsk. the seller is well done, i recommend this seller.

  • Z
    Z**y

    09/18/2021

    1

    The input was 5V and the maximum output was 4.3V.

  • B
    B**e

    11/22/2020

    5

    Package received quickly. Good seller. Thank you.

  • C
    C**r

    09/22/2020

    3

    Very small in size, good quality. need to test it. Thanks

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