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TPS23753PWR
Product Overview
Category
The TPS23753PWR 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 integration of power sourcing equipment (PSE) functionality into various network devices such as switches, routers, and IP cameras.
Characteristics
- Input voltage range: 36V to 57V
- Output voltage range: 3.3V to 5V
- Maximum output current: 1.5A
- Efficiency: Up to 95%
- Operating temperature range: -40°C to +85°C
Package
The TPS23753PWR is available in a small outline integrated circuit (SOIC) package. This package offers excellent thermal performance and ease of handling during assembly.
Essence
The essence of the TPS23753PWR lies in its ability to simplify the implementation of PoE systems by integrating key functions required for power delivery and data communication.
Packaging/Quantity
The TPS23753PWR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.
Specifications
- Input voltage: 36V to 57V
- Output voltage: 3.3V to 5V
- Maximum output current: 1.5A
- Quiescent current: 50µA
- Switching frequency: 200kHz to 400kHz
- Power dissipation: 1.2W (typical)
Detailed Pin Configuration
The TPS23753PWR features a 20-pin SOIC package with the following pin configuration:
- VDD: Power supply input
- GND: Ground
- VDDP: Power supply input for the PSE controller
- GNDP: Ground for the PSE controller
- VDDA: Analog power supply input
- GNDA: Analog ground
- VDDC: Control power supply input
- GNDC: Control ground
- 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 PSE controller: The TPS23753PWR integrates a complete PSE controller, eliminating the need for external components and reducing system complexity.
- Advanced power management: This IC offers various features such as overcurrent protection, thermal shutdown, and undervoltage lockout to ensure safe and reliable operation.
- Flexible output voltage selection: The TPS23753PWR allows for adjustable output voltages between 3.3V and 5V, providing compatibility with a wide range of powered devices.
Advantages and Disadvantages
Advantages
- Simplifies PoE system implementation
- Integration of key PSE functions reduces component count and board space requirements
- Wide input and output voltage ranges offer flexibility in system design
- High efficiency minimizes power dissipation and improves overall energy efficiency
Disadvantages
- Limited maximum output current may not be suitable for high-power PoE applications
- Lack of detailed pin functionality information in the datasheet can make initial setup challenging for inexperienced users
Working Principles
The TPS23753PWR operates based on the IEEE 802.3af/at standards for PoE. It utilizes a flyback converter topology to convert the input voltage from the Ethernet cable into a regulated output voltage suitable for powering connected devices. The integrated PSE controller manages power delivery, data communication, and protection features.
Detailed Application Field Plans
The TPS23753PWR is widely used in various PoE applications, including: - Network switches - Wireless access points - IP cameras - VoIP phones - Industrial automation equipment
Detailed and Complete Alternative Models
- TPS23754PWR: Similar to the TPS23753PWR, but with a higher maximum output current of 2A.
- TPS23755PWR: Offers additional features such as advanced diagnostics and programmable current limit settings.
- TPS23756PWR: Designed for high-power PoE applications, providing a maximum output current of 3A.
These alternative models offer increased capabilities and flexibility depending on specific application requirements.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de TPS23753PWR en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of TPS23753PWR in technical solutions:
Q: What is TPS23753PWR? A: TPS23753PWR is a Power over Ethernet (PoE) powered device (PD) controller IC designed for use in various applications.
Q: What are the key features of TPS23753PWR? A: Some key features of TPS23753PWR include IEEE 802.3bt-compliant PoE PD interface, integrated DC-DC controller, support for multiple power levels, and advanced power management capabilities.
Q: How does TPS23753PWR enable Power over Ethernet functionality? A: TPS23753PWR integrates the necessary circuitry to extract power from an Ethernet cable and convert it into usable DC power for the connected device.
Q: What types of devices can be powered using TPS23753PWR? A: TPS23753PWR can be used to power a wide range of devices such as IP cameras, wireless access points, VoIP phones, and industrial sensors, among others.
Q: Can TPS23753PWR support high power applications? A: Yes, TPS23753PWR is designed to support high power applications with power levels up to 90W, making it suitable for demanding devices.
Q: Does TPS23753PWR provide protection features? A: Yes, TPS23753PWR offers various protection features including overcurrent protection, overvoltage protection, and thermal shutdown to ensure safe operation.
Q: Can TPS23753PWR operate in different modes? A: Yes, TPS23753PWR supports both autonomous and managed modes of operation, providing flexibility for different system requirements.
Q: What is the input voltage range supported by TPS23753PWR? A: TPS23753PWR can operate with an input voltage range of 36V to 57V, which is compliant with PoE standards.
Q: Does TPS23753PWR have any power management capabilities? A: Yes, TPS23753PWR offers advanced power management features such as power classification, power monitoring, and power budgeting.
Q: Are there any evaluation tools available for TPS23753PWR? A: Yes, Texas Instruments provides evaluation modules and design resources to help engineers evaluate and implement TPS23753PWR in their applications.
Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.