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TPS2375PW
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TPS2375PW

Product Overview

Category

The TPS2375PW belongs to the category of integrated circuits (ICs) and specifically falls under the Power over Ethernet (PoE) controllers.

Use

This product is primarily used in PoE applications, where it enables the delivery of power and data over a single Ethernet cable. It provides a cost-effective solution for powering various devices such as IP cameras, wireless access points, and VoIP phones.

Characteristics

  • The TPS2375PW integrates both power management and control functions required for PoE applications.
  • It supports IEEE 802.3af-compliant powered devices (PDs) and can deliver up to 15.4W of power.
  • This IC features a high level of integration, reducing the need for external components and simplifying system design.
  • It offers advanced protection features like thermal shutdown, overcurrent protection, and undervoltage lockout.

Package and Quantity

The TPS2375PW is available in a small-sized, 20-pin TSSOP (Thin Shrink Small Outline Package). It is typically sold in reels or tubes containing multiple units, with quantities varying based on customer requirements.

Specifications

  • Input Voltage Range: 36V to 57V
  • Output Voltage Range: 2.7V to 14V
  • Maximum Output Current: 350mA
  • Operating Temperature Range: -40°C to +85°C
  • Efficiency: Up to 90%
  • Standby Power Consumption: Less than 50mW

Pin Configuration

The TPS2375PW has a total of 20 pins, each serving a specific function. The detailed pin configuration is as follows:

  1. VDD: Power supply input
  2. GND: Ground reference
  3. NC: No connection
  4. NC: No connection
  5. NC: No connection
  6. NC: No connection
  7. NC: No connection
  8. NC: No connection
  9. NC: No connection
  10. NC: No connection
  11. NC: No connection
  12. NC: No connection
  13. NC: No connection
  14. NC: No connection
  15. NC: No connection
  16. NC: No connection
  17. NC: No connection
  18. NC: No connection
  19. NC: No connection
  20. NC: No connection

Functional Features

The TPS2375PW offers several functional features that enhance its performance and usability in PoE applications:

  1. Integrated Power Management: The IC integrates all the necessary power management functions, including DC-DC conversion, current limiting, and fault protection.
  2. IEEE 802.3af Compliance: It supports the industry-standard PoE protocol, ensuring compatibility with a wide range of powered devices.
  3. Advanced Protection Mechanisms: The TPS2375PW incorporates various protection features like thermal shutdown, overcurrent protection, and undervoltage lockout to safeguard the system from potential failures.
  4. Low Standby Power Consumption: In standby mode, the IC consumes minimal power, contributing to energy efficiency and reducing overall system power consumption.

Advantages and Disadvantages

Advantages

  • High integration reduces external component count and simplifies system design.
  • Supports IEEE 802.3af standard, ensuring compatibility with a wide range of devices.
  • Advanced protection mechanisms enhance system reliability.
  • Low standby power consumption contributes to energy efficiency.

Disadvantages

  • Limited maximum output current may not be suitable for high-power devices.
  • The package size may pose challenges in space-constrained applications.

Working Principles

The TPS2375PW operates based on the principles of Power over Ethernet. It receives power from the Ethernet cable connected to a Power Sourcing Equipment (PSE) and regulates it to provide the required voltage and current to the powered device (PD). The IC incorporates a DC-DC converter that steps down the input voltage to the desired output voltage level. It also includes control circuitry to monitor and protect against fault conditions, ensuring safe and reliable power delivery.

Application Field Plans

The TPS2375PW finds extensive application in various PoE-enabled devices, including:

  1. IP Cameras: Enables power and data transmission for surveillance cameras, eliminating the need for separate power cables.
  2. Wireless Access Points: Provides power to wireless networking equipment, simplifying installation and reducing cable clutter.
  3. VoIP Phones: Powers Voice over IP phones, enabling seamless communication without the need for additional power adapters.
  4. Network Switches: Facilitates PoE functionality in network switches, allowing for centralized power management of connected devices.

Alternative Models

For those seeking alternative options, the following models offer similar functionality to the TPS2375PW:

  1. TPS2376PW
  2. TPS23861PWR
  3. LTC4267CGN#P

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi TPS2375PW dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of TPS2375PW in technical solutions:

  1. Q: What is TPS2375PW? A: TPS2375PW is a Power over Ethernet (PoE) powered device controller that integrates both the IEEE 802.3af-compliant PoE interface and a DC-DC converter.

  2. Q: What is the purpose of TPS2375PW? A: The purpose of TPS2375PW is to enable power delivery over Ethernet cables, allowing for the integration of power and data transmission in a single cable.

  3. Q: Can TPS2375PW be used with any Ethernet switch? A: Yes, TPS2375PW can be used with any Ethernet switch that supports the IEEE 802.3af standard for PoE.

  4. Q: What is the maximum power output of TPS2375PW? A: TPS2375PW can deliver up to 13W of power to the connected device.

  5. Q: How does TPS2375PW detect the presence of a PoE-enabled device? A: TPS2375PW uses a detection algorithm called "signature detection" to identify if a connected device is PoE-compatible.

  6. Q: Can TPS2375PW support multiple PoE devices simultaneously? A: Yes, TPS2375PW can support multiple PoE devices as long as the total power requirement does not exceed its maximum power output.

  7. Q: Is TPS2375PW compatible with both 10/100Mbps and Gigabit Ethernet? A: Yes, TPS2375PW is compatible with both 10/100Mbps and Gigabit Ethernet networks.

  8. Q: Does TPS2375PW provide any protection features for connected devices? A: Yes, TPS2375PW provides various protection features such as overcurrent protection, overvoltage protection, and thermal shutdown.

  9. Q: Can TPS2375PW be used in industrial applications? A: Yes, TPS2375PW is designed to operate in a wide temperature range and can be used in various industrial applications.

  10. Q: Are there any design considerations when using TPS2375PW? A: Yes, some design considerations include proper heat dissipation, ensuring adequate power supply, and following the recommended layout guidelines provided in the datasheet.

Please note that these answers are general and may vary depending on the specific application and requirements.