TPS2375PWRG4
Product Overview
Category
The TPS2375PWRG4 belongs to the category of integrated circuits (ICs) and specifically falls under the Power Management ICs.
Use
This IC is primarily used for power over Ethernet (PoE) applications. It provides a complete solution for implementing PoE in various devices such as IP phones, wireless access points, security cameras, and other network-connected devices.
Characteristics
- The TPS2375PWRG4 is designed to comply with IEEE 802.3af/at standards for PoE.
- It integrates all the necessary functions required for PoE, including detection, classification, and current limiting.
- This IC supports both end-span and mid-span modes of PoE implementation.
- It offers advanced features like programmable inrush current limit, thermal shutdown protection, and adjustable undervoltage lockout.
Package
The TPS2375PWRG4 is available in a small-sized, surface-mount package known as PowerPAD™ MSOP-8.
Essence
The essence of the TPS2375PWRG4 lies in its ability to simplify the implementation of PoE in various network-connected devices. It provides a reliable and efficient solution for delivering power and data over Ethernet cables.
Packaging/Quantity
The TPS2375PWRG4 is typically sold in reels containing 2500 units per reel.
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
- Power Dissipation: 1.25W
Detailed Pin Configuration
The TPS2375PWRG4 has a total of 8 pins arranged as follows:
- VDD - Power supply input
- GND - Ground reference
- VSS - Negative supply voltage
- VOUT - Output voltage
- CLASS - Classification resistor connection
- DETECT - Detection resistor connection
- ILIM - Current limit setting
- NC - No connection
Functional Features
- Integrated detection and classification circuitry for PoE compliance.
- Programmable inrush current limit to prevent excessive current during startup.
- Adjustable undervoltage lockout to ensure proper operation under varying input voltage conditions.
- Thermal shutdown protection to prevent overheating and damage to the IC.
Advantages and Disadvantages
Advantages
- Simplifies the implementation of PoE in various devices.
- Complies with IEEE 802.3af/at standards for PoE.
- Supports both end-span and mid-span modes of PoE implementation.
- Offers advanced features like programmable inrush current limit and thermal shutdown protection.
Disadvantages
- Limited maximum output current of 350mA may not be suitable for high-power devices.
Working Principles
The TPS2375PWRG4 operates by detecting the presence of a powered Ethernet connection and classifying it based on the power requirements of the connected device. It then regulates the output voltage and limits the current accordingly to deliver power over the Ethernet cable.
Detailed Application Field Plans
The TPS2375PWRG4 finds applications in various network-connected devices that require power over Ethernet. Some common application fields include: - IP Phones - Wireless Access Points - Security Cameras - Network Switches - Industrial Automation Equipment
Detailed and Complete Alternative Models
- TPS23753PWPRG4: Similar to TPS2375PWRG4, but with higher maximum output current of 750mA.
- TPS23757PWPRG4: Similar to TPS2375PWRG4, but with additional features like adjustable current limit and power good indicator.
These alternative models provide options for higher power requirements or additional functionality based on specific application needs.
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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TPS2375PWRG4 i tekniska lösningar
Sure! Here are 10 common questions and answers related to the application of TPS2375PWRG4 in technical solutions:
Q: What is TPS2375PWRG4? A: TPS2375PWRG4 is a Power over Ethernet (PoE) powered device controller IC designed for use in various applications.
Q: What is the maximum input voltage supported by TPS2375PWRG4? A: The maximum input voltage supported by TPS2375PWRG4 is 57V.
Q: Can TPS2375PWRG4 be used in both PoE and non-PoE applications? A: Yes, TPS2375PWRG4 can be used in both PoE and non-PoE applications as it supports both modes.
Q: What is the maximum power output that TPS2375PWRG4 can handle? A: TPS2375PWRG4 can handle a maximum power output of 13W.
Q: Does TPS2375PWRG4 support IEEE 802.3af/at standards? A: Yes, TPS2375PWRG4 supports both IEEE 802.3af and IEEE 802.3at standards.
Q: Can TPS2375PWRG4 be used in high-temperature environments? A: Yes, TPS2375PWRG4 has a wide operating temperature range of -40°C to +125°C, making it suitable for high-temperature environments.
Q: Does TPS2375PWRG4 have built-in protection features? A: Yes, TPS2375PWRG4 has built-in protection features such as overcurrent protection, overvoltage protection, and thermal shutdown.
Q: Can TPS2375PWRG4 be used in both indoor and outdoor applications? A: Yes, TPS2375PWRG4 can be used in both indoor and outdoor applications as it has a wide operating temperature range and is designed for rugged environments.
Q: What are the typical applications of TPS2375PWRG4? A: TPS2375PWRG4 is commonly used in applications such as IP cameras, wireless access points, VoIP phones, and other PoE-powered devices.
Q: Is TPS2375PWRG4 available in different package options? A: Yes, TPS2375PWRG4 is available in a 20-pin HTSSOP package, which is suitable for surface mount applications.
Please note that these answers are general and may vary depending on the specific requirements and use cases. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.