Details, datasheet, quote on part number: TPS2372-4EVM-006
PartTPS2372-4EVM-006
CategoryEmbedded Solutions => Engineering Tools => 8851469
TitlePower Management IC Development Tools TPS2372-4EVM-006
Description
CompanyTexas Instruments Inc.
DatasheetDownload TPS2372-4EVM-006 datasheet
Specifications 
ManufacturerTexas Instruments
Product CategoryPower Management IC Development Tools
ProductEvaluation Modules
TypePower Over Ethernet
Tool Is For Evaluation OfTPS2372-4
Input Voltage0 V to 57 V
SeriesTPS2372
BrandTexas Instruments
TPS2372-4EVM-006 photo

 

Features, Applications

This user's guide describes the TPS2372-4 evaluation module (TPS2372-4EVM-006). The TPS23724EVM-006 contains evaluation and reference circuitry for the TPS2372-4. The TPS2372-4 device is an IEEE 802.3bt compliant, powered-device (PD) controller optimized for high power, power-over-Ethernet (PoE) PD applications such as LED lighting and high-power module applications.

Contents Introduction................................................................................................................... 2 1.1 Features.............................................................................................................. 2 1.2 Applications.......................................................................................................... 2 Electrical Specifications..................................................................................................... 2 Description.................................................................................................................... 2 Schematic..................................................................................................................... 3 General Configuration and Description................................................................................... 5 5.1 Physical Access..................................................................................................... 5 TPS2372-4EVM-006 Performance Data................................................................................. 6 EVM Assembly Drawing and Layout Guidelines........................................................................ 8 7.1 PCB Drawings....................................................................................................... 8 7.2 Layout Guidelines................................................................................................. 11 7.3 EMI Containment.................................................................................................. 12 Bill of Material............................................................................................................... 13 List of Figures TPS2372-4EVM-006 Front End Interface Schematic................................................................... 3

6 PD Startup With Delay...................................................................................................... 6 Current-Limit Protection Performance.................................................................................... 6 Auto MPS..................................................................................................................... 7 Top Side Component Placement.......................................................................................... 8 Top Side Routing............................................................................................................ 8 Layer 2 Routing.............................................................................................................. 9 Layer 3 Routing.............................................................................................................. 9 Bottom Side Routing....................................................................................................... 10 Bottom Component Placement........................................................................................... 10

TPS2372-4EVM-006 PD Controller Schematic Startup using.bt PSE and Autoclass Enabled List of Tables TPS2372-4EVM-006 Electrical and Performance Specifications 25C............................................ 2 Connector Functionality..................................................................................................... 5 Test Points.................................................................................................................... 5 TPS2372-4EVM-006 BOM

SLVUB75A August 2017 Revised September 2017 Submit Documentation Feedback

The TPS2372-4EVM-006 allows reference circuitry evaluation of the TPS2372-4. It contains input and output power connectors and an array of on-board test points for circuit evaluation.

Features

The TPS2372-4EVM-006 features include: High-power PoE Selectable classification Adjustable auto MPS Gigabit Ethernet pass-through interface

Applications

The TPS2372-4EVM-006 can be used in the following applications: Power-over-Ethernet (PoE) lighting Internet of Things (IoT) PoE modules

Table 1 lists the EVM electrical specifications. Table 1. TPS2372-4EVM-006 Electrical and Performance Specifications at 25C

Parameter Power Interface Input voltage Applied to the power pins of connectors or J4 Rising input voltage Falling input voltage At device terminals At device terminals RclassA = 63.4 RclassB A V Test Conditions Min Typ Max Unit

Input UVLO, PoE input J1 Detection voltage Classification voltage Classification current Inrush current-limit Operating current-limit Adatper voltage

Description

The TPS2372-4EVM-006 enables full evaluation of the TPS2372-4 device, see the schematic in Figure 1. Ethernet power is applied from J1 and is dropped to the FET bridge rectifier. At the output of the FET bridge is the EMI/EMC filter and transient protection for the TPS2372-4. Input power can also be applied at J3 from a DC source when power J1 is not present. The (U1) PD controller is shown in Figure 1. R23 provides the detection signature. To the right U2 is the switched side of the PD controller. The TPS2372-4 RTN pin provides inrush limited turn on and the charge of the bulk capacitor C11.





 

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