TPS23750PWPR

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TPS23750PWPR

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IC POE CNTRL 1 CHANNEL 20HTSSOP

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Especificações

Atributo Valor
Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
Type Controller (PD), DC/DC
NumberofChannels 1
Power-Max 12.95 W
InternalSwitch(s) Yes
AuxiliarySense No
Standards 802.3af (PoE)
Voltage-Supply 0V ~ 67V
Current-Supply 2mA
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 20-PowerTSSOP (0.173, 4.40mm Width)

Visão Geral

Description

The TPS23750PWPR is an integrated circuit developed by Texas Instruments, designed to facilitate Power over Ethernet (PoE) applications. It combines a powered device (PD) controller with a DC-DC converter controller in a single package, making it suitable for devices that require power and data over a single Ethernet cable. This IC supports IEEE 802.3af/at standards, ensuring compatibility with standard PoE protocols.
Key features of the TPS23750PWPR include a wide input voltage range, programmable current limit, and thermal shutdown protection, enhancing reliability and flexibility in various applications. The device also includes an integrated hot swap switch for inrush current control, which is crucial for protecting components during power-up.
The TPS23750PWPR is particularly useful in applications like IP cameras, wireless access points, and VoIP phones, where minimizing external components and optimizing space is essential. Its packaging, the PowerPAD™ package, aids in efficient heat dissipation, supporting stable operation in thermally challenging environments.

Equivalent

The TPS23750PWPR is a Power over Ethernet (PoE) controller with an integrated DC-DC converter. Equivalent products from other manufacturers include the LT4275 from Analog Devices, Si3402 from Silicon Labs, and PD70224 from Microchip Technology. Each offers PoE capabilities and integrated or external DC-DC conversion. It's essential to compare specifications and features to ensure compatibility with your application requirements.

Features

The TPS23750PWPR is a Power over Ethernet (PoE) powered device controller with an integrated DC-DC converter. Key features include:
1. PoE Compatibility: Supports IEEE 802.3af, allowing it to receive power over Ethernet cables, which simplifies power delivery in networked environments.

2. Integrated DC-DC Converter: Includes a high-efficiency, low-ripple DC-DC converter that can be configured for various topologies like flyback, forward, and others, providing flexibility in power supply design.
3. Efficiency and Performance: Offers programmable frequency up to 1 MHz and supports synchronous rectification to enhance efficiency and performance.
4. Protection Features: Equipped with input under-voltage lockout (UVLO), thermal shutdown, and output over-current protection to ensure reliable operation under various conditions.
5. Design Flexibility: Offers an adjustable switching frequency and supports both isolated and non-isolated power supply designs.
The TPS23750PWPR is ideal for applications in IP phones, wireless access points, and network cameras, where PoE is crucial for delivering reliable power alongside data.

Pinout

The TPS23750PWPR is a Power over Ethernet (PoE) controller with integrated DC-DC converter and support for IEEE 802.3af/at standards. It is housed in a 20-pin TSSOP (Thin Shrink Small Outline Package). The TPS23750 combines PoE powered device (PD) interface and a DC-DC controller, which allows it to convert the power received over Ethernet cabling to a suitable output for the device it powers.
Key functions include:
- Detection and classification of PoE signature
- Isolation of power and data paths
- Integrated DC-DC converter controller for buck, boost, or flyback topologies
- Over-current protection
- Programmable under-voltage and over-voltage lockout
The pin functions are primarily related to the device's power management and control capabilities, including pins for the input voltage, gate drive for external MOSFETs, feedback, error amplifier, and various ground connections. This allows it to efficiently manage the power supplied via Ethernet and convert it to meet the needs of the powered device.

Manufacturer

The TPS23750PWPR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. TI is known for its broad portfolio of products, including analog chips, digital signal processors, and microcontrollers, which are used in a wide range of applications such as industrial equipment, consumer electronics, automotive systems, and communications devices. The company is one of the largest semiconductor manufacturers in the world and is recognized for its innovations and contributions to technology development.

Application

The TPS23750PWPR is a Power over Ethernet (PoE) interface and DC-DC controller used primarily in applications requiring power and data over a single Ethernet cable. It is commonly used in devices such as IP phones, wireless access points, security cameras, and other networked devices that benefit from PoE. Additionally, it finds applications in industrial automation systems and embedded systems that require efficient power management and simplified cabling. The TPS23750PWPR supports IEEE 802.3af/at PoE standards, making it suitable for both PoE and PoE+ applications, and integrates a DC-DC converter controller for power-efficient designs.

Package

The TPS23750PWPR is a Texas Instruments IC package that comes in a TSSOP (Thin Shrink Small Outline Package) with 20 pins. It is specifically designed for Power over Ethernet (PoE) applications, combining a powered device controller with a DC-DC converter.

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