TPS23754PWPR Allicdata Electronics

TPS23754PWPR Integrated Circuits (ICs)

Allicdata Part #:

296-39367-2-ND

Manufacturer Part#:

TPS23754PWPR

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: Texas Instruments
Short Description: IC POE INTERFACE SWITCH 20HTSSOP
More Detail: Power Over Ethernet Controller 1 Channel 802.3at (...
DataSheet: TPS23754PWPR datasheetTPS23754PWPR Datasheet/PDF
Quantity: 12000
Stock 12000Can Ship Immediately
Specifications
Series: --
Packaging: Tape & Reel (TR) 
Part Status: Active
Type: Controller (PD), DC/DC
Number of Channels: 1
Power - Max: 30W
Internal Switch(s): Both
Auxiliary Sense: No
Standards: 802.3at (PoE+), 802.3af (PoE)
Voltage - Supply: 0 V ~ 57 V
Current - Supply: 920µA
Operating Temperature: -40°C ~ 125°C
Package / Case: 20-PowerTSSOP (0.173", 4.40mm Width)
Supplier Device Package: 20-HTSSOP
Base Part Number: TPS23754
Description

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Power over Ethernet (PoE) technologies provide the power and data transmission from one central source, eliminating the need for localised power adapter cables. The TPS23754PWPR is a Power-over-Ethernet (PoE) controller designed to offer a complete solution for isolated system power delivery of up to 60W using a low-cost two-pair cable. The TPS23754PWPR offers an extended temperature range and the industry’s highest power density, making it well suited for applications in both indoor and outdoor environments.

The TPS23754PWPR is designed to provide a simple, complete two-pair powered device (PD) solution. It offers integrated PD detection and classification, power conversion, and energy-efficiency functions such as Pulse-Width Modulation (PWM). The device thus provides users with the lowest amount of external components to get up and running quickly.

The TPS23754PWPR is useful for applications like point-of-sale kiosks, video surveillance, and remote RFID readers. It is also ideal for industrial and medical applications. The device combines four distinct components into a single package: PD detection/classification, and power supply (PS) control, direct power conversion, and power efficiency management. The device features an adjustable peak current-limit and can function up to a maximum of 60 W.

The working principle of the TPS23754PWPR consists of three main steps. First, the PD detection circuit identifies the presence of the PD and provides the CDP and CPP1 pins with their corresponding voltages. During this process, the poles’ impedance is also measured to ensure that the application is compatible by satisfying the IEEE 802.3 standard requirements. Then, the ISEN pin is enabled, signaling the readiness for CPP2 sensing. After the CPP2 become active and the PD passes the IEEE 802.3 detection to supply CPP2, the PS Control module is enabled, resulting in the launch of the power transfer from the inrush to the delivery. This is realized by the energy efficiency/power conversion components, resulting in the delivery of the desired power without any loss.

The TPS23754PWPR is an easily programmable and versatile PoE controller, featuring a high power conversion efficiency, superior power supply control, and extended temperature range. The device thus allows designers to deliver power over two-pair cable with just a few external components in a cost-effective and energy-efficient manner.

The specific data is subject to PDF, and the above content is for reference

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