TPS2370PWR
Product Overview
Category
The TPS2370PWR 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 electrical power to 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
- Efficient power management features
- Protection mechanisms against fault conditions
Package
The TPS2370PWR is available in a small-sized surface-mount package known as PowerPAD™ TSSOP (Thin Shrink Small Outline Package). This package offers excellent thermal performance and ease of assembly.
Essence
The essence of the TPS2370PWR lies in its ability to simplify the implementation of PoE systems by integrating key functions required for power delivery and management.
Packaging/Quantity
The TPS2370PWR is typically supplied in reels or tubes, with a quantity of 2500 units per reel/tube.
Specifications
- Input Voltage Range: 36V to 57V
- Output Voltage Range: 3.3V to 12V
- Maximum Output Power: 25W
- Operating Temperature Range: -40°C to +85°C
- Efficiency: Up to 90%
- Control Interface: I2C
Detailed Pin Configuration
The TPS2370PWR has a total of 20 pins. The pin configuration is as follows:
- VDD: Power supply voltage input
- GND: Ground reference
- SDA: I2C serial data input/output
- SCL: I2C serial clock input
- VDDP: Power supply voltage for internal circuitry
- 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
- NC: No connection
- NC: No connection
- NC: No connection
Functional Features
- Integrated PoE controller with advanced power management capabilities
- Automatic detection and classification of powered devices
- Overcurrent and overvoltage protection
- Thermal shutdown protection
- Flexible control options through I2C interface
- Low-power standby mode for energy efficiency
Advantages and Disadvantages
Advantages
- Simplifies implementation of PoE systems
- Enables power and data transmission over a single Ethernet cable
- Supports industry-standard PoE protocols
- Offers efficient power management features
- Provides protection against fault conditions
Disadvantages
- Limited maximum output power (25W)
- Requires additional external components for complete PoE system implementation
- Relatively high cost compared to non-PoE solutions
Working Principles
The TPS2370PWR operates by receiving power from the Ethernet cable and converting it into regulated DC voltage suitable for powering connected devices. It utilizes the IEEE 802.3af/at standards to negotiate power requirements with the powered device and ensure safe and efficient power delivery.
Detailed Application Field Plans
The TPS2370PWR finds extensive application in various fields, including:
- IP Surveillance Systems: Enables power and data transmission for IP cameras, simplifying installation and reducing cable clutter.
- Wireless Access Points: Provides power to wireless access points, eliminating the need for separate power cables and enabling flexible placement.
- Voice over IP (VoIP) Phones: Enables power delivery to VoIP phones, simplifying deployment and reducing infrastructure costs.
- Industrial Automation: Powers various industrial devices over Ethernet, facilitating remote monitoring and control.
Detailed and Complete Alternative Models
- TPS2371PWR: Similar to TPS2370PWR with enhanced power management features and higher maximum output power (up to 30W).
- TPS23861PWR: PoE controller with integrated DC-DC converter and advanced power management capabilities.
- LTC4267CGN: IEEE 802.3af/at compliant PoE controller with integrated switching regulator.
These alternative models offer similar functionality to the TPS2370PWR and can be considered based on specific application requirements.
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技術ソリューションにおける TPS2370PWR の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure! Here are 10 common questions and answers related to the application of TPS2370PWR in technical solutions:
Q: What is TPS2370PWR? A: TPS2370PWR is a Power over Ethernet (PoE) powered device controller IC designed for use in various technical solutions.
Q: What is the purpose of TPS2370PWR? A: TPS2370PWR provides power management and control functions for PoE applications, allowing devices to be powered and controlled over an Ethernet connection.
Q: What are the key features of TPS2370PWR? A: Some key features of TPS2370PWR include IEEE 802.3at-compliant PoE support, integrated DC-DC converter, advanced power management, and fault protection mechanisms.
Q: How does TPS2370PWR enable PoE functionality? A: TPS2370PWR integrates the necessary circuitry to extract power from the Ethernet cable and convert it into usable voltage levels for the connected device.
Q: Can TPS2370PWR support high-power PoE applications? A: Yes, TPS2370PWR is designed to support high-power PoE applications, complying with the IEEE 802.3at standard that allows up to 30W of power delivery.
Q: What types of devices can TPS2370PWR power? A: TPS2370PWR can power a wide range of devices, including IP phones, wireless access points, security cameras, and other network-connected devices.
Q: Does TPS2370PWR provide any protection mechanisms? A: Yes, TPS2370PWR incorporates various protection mechanisms such as overcurrent protection, overvoltage protection, and thermal shutdown to ensure safe operation.
Q: Can TPS2370PWR be used in both PoE and non-PoE applications? A: Yes, TPS2370PWR can be used in both PoE and non-PoE applications, providing flexibility for different power supply scenarios.
Q: What is the input voltage range supported by TPS2370PWR? A: TPS2370PWR supports an input voltage range of 36V to 57V, which is typical for PoE applications.
Q: Are there any evaluation boards or reference designs available for TPS2370PWR? A: Yes, Texas Instruments provides evaluation boards and reference designs for TPS2370PWR, which can help developers quickly prototype and implement their PoE solutions.
Please note that these answers are general and may vary depending on the specific application and requirements.