TPS2373-4RGWR
Product Overview
Category
The TPS2373-4RGWR belongs to the category of integrated circuits (ICs) specifically designed for power over Ethernet (PoE) applications.
Use
This IC is primarily used in PoE systems to provide power and data transmission over a single Ethernet cable. It enables the delivery of power to various devices such as IP cameras, wireless access points, and VoIP phones, eliminating the need for separate power cables.
Characteristics
- Power over Ethernet (PoE) controller
- Supports IEEE 802.3af/at standards
- Integrated DC-DC converter
- High efficiency and low power dissipation
- Wide input voltage range
- Overcurrent and overtemperature protection
- Small form factor
Package
The TPS2373-4RGWR is available in a small outline package (SOP) with a thermal pad for enhanced heat dissipation.
Essence
The essence of the TPS2373-4RGWR lies in its ability to simplify PoE system design by integrating key functions required for power sourcing equipment (PSE) implementation.
Packaging/Quantity
The TPS2373-4RGWR is typically packaged in reels containing 2500 units per reel.
Specifications
- Input Voltage Range: 36V to 57V
- Output Voltage Range: 3.3V to 12V
- Maximum Output Power: 30W
- Operating Temperature Range: -40°C to 85°C
- Control Interface: I2C
Detailed Pin Configuration
The TPS2373-4RGWR features a 20-pin package with the following pin configuration:
- VDD: Power supply input
- GND: Ground reference
- VDDA: Analog power supply input
- VSSA: Analog ground reference
- VDDC: Digital power supply input
- VSSC: Digital ground reference
- I2C_SCL: Serial clock input for I2C communication
- I2C_SDA: Serial data input/output for I2C communication
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
Functional Features
- PoE Controller: The TPS2373-4RGWR integrates a complete PoE controller, enabling efficient power delivery and management in PoE systems.
- DC-DC Converter: The integrated DC-DC converter provides the necessary voltage conversion for powering connected devices.
- IEEE 802.3af/at Compliance: The IC supports the IEEE 802.3af/at standards, ensuring compatibility with a wide range of PoE-enabled devices.
- Protection Mechanisms: The TPS2373-4RGWR incorporates overcurrent and overtemperature protection features to safeguard the system from potential faults or failures.
Advantages and Disadvantages
Advantages
- Simplifies PoE system design
- Enables power and data transmission over a single cable
- Wide input voltage range allows flexibility in power source selection
- Integrated DC-DC converter reduces external component count
- Efficient power delivery minimizes power dissipation
Disadvantages
- Limited maximum output power (30W)
- Requires additional external components for complete PSE implementation
Working Principles
The TPS2373-4RGWR operates by receiving power from an Ethernet switch or midspan injector through the Ethernet cable. It then regulates and converts this power to the desired voltage level using the integrated DC-DC converter. The IC communicates with the PSE controller via the I2C interface, enabling control and monitoring of the PoE system.
Detailed Application Field Plans
The TPS2373-4RGWR finds applications in various fields where PoE is utilized, including: 1. IP Surveillance Systems: Enables power delivery to IP cameras for seamless installation and operation. 2. Wireless Access Points: Provides power to wireless access points, eliminating the need for separate power cables. 3. Voice over IP (VoIP) Phones: Enables power supply to VoIP phones, simplifying deployment and reducing clutter.
Detailed and Complete Alternative Models
- TPS2373-2RGWR: Similar to TPS2373-4RGWR but with two output channels instead of four.
- TPS2373-6RGWR: Similar to TPS2373-4RGWR but with six output channels instead of four.
- TPS2373-8RGWR: Similar to TPS2373-4RG
기술 솔루션에 TPS2373-4RGWR 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of TPS2373-4RGWR in technical solutions:
Q: What is the TPS2373-4RGWR? A: The TPS2373-4RGWR is a Power over Ethernet (PoE) controller designed for use in various applications, including IP phones, wireless access points, security cameras, and other powered devices.
Q: What is the input voltage range supported by the TPS2373-4RGWR? A: The TPS2373-4RGWR supports an input voltage range of 36V to 57V, which is typical for PoE applications.
Q: How many powered device (PD) ports can the TPS2373-4RGWR support? A: The TPS2373-4RGWR can support up to four PD ports, making it suitable for applications requiring multiple powered devices.
Q: What is the maximum power that can be delivered to each PD port? A: The TPS2373-4RGWR can deliver up to 13W of power to each PD port, complying with the IEEE 802.3af standard.
Q: Can the TPS2373-4RGWR provide power classification for connected PDs? A: Yes, the TPS2373-4RGWR supports power classification according to the IEEE 802.3af standard, allowing it to identify and provide the appropriate power level to connected PDs.
Q: Does the TPS2373-4RGWR have built-in protection features? A: Yes, the TPS2373-4RGWR includes various protection features such as overcurrent protection, overvoltage protection, and thermal shutdown to ensure safe operation.
Q: Can the TPS2373-4RGWR operate in a standalone mode? A: Yes, the TPS2373-4RGWR can operate in a standalone mode without requiring an external microcontroller, making it suitable for simpler PoE applications.
Q: What is the operating temperature range of the TPS2373-4RGWR? A: The TPS2373-4RGWR has an operating temperature range of -40°C to 85°C, allowing it to be used in various environmental conditions.
Q: Does the TPS2373-4RGWR support power-saving features? A: Yes, the TPS2373-4RGWR includes power-saving features such as low-power sleep mode and wake-on-LAN functionality to optimize energy consumption.
Q: Are there any evaluation modules or reference designs available for the TPS2373-4RGWR? A: Yes, Texas Instruments provides evaluation modules and reference designs that can help users quickly prototype and implement the TPS2373-4RGWR in their applications.
Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.