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SLUUBQ7 – August 2017

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TPS2388EVM-612: PoE PSE Evaluation Module for TPS2388

User's Guide

SLUUBQ7 – August 2017

TPS2388EVM-612: PoE PSE Evaluation Module for

TPS2388

This user’s guide describes the TPS2388 evaluation module (TPS2388EVM-612 or EVM). The EVM
contains evaluation and reference circuitry for the TPS2388. The TPS2388 is a Power-over-Ethernet
(PoE) device for power sourcing equipment (PSE).

Contents

Description

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Quick Start

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General Use Features

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TPS2388EVM-612 Host Setup

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EVM Schematic, Layout Guidelines and PCB Assembly, Layer Plots

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Bill of Materials

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List of Figures

Basic Setup Using USB2ANY

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Advanced Setup Using LaunchPad™

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Hit 'S' to Start

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Program Started

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Terminal Response With Connected Ports

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Semi-Auto Mode Reference Code Structure

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Virtual Auto Mode Reference Code Structure

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TPS2388EVM-612 (Motherboard) Schematic: Control

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TPS2388EVM-612 (Motherboard) Schematic: Power Ports

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TPS2388EVM-016 (Daughterboard) Schematic

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TPS2388EVM-612 (Motherboard) Top Side Assembly

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TPS2388EVM-612 (Motherboard) Top Side Routing

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TPS2388EVM-612 (Motherboard) Layer 2 Routing

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TPS2388EVM-612 (Motherboard) Layer 3 Routing

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TPS2388EVM-612 (Motherboard) Bottom Side Routing

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TPS2388EVM-016 (Daughterboard) Top Side Assembly

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TPS2388EVM-016 (Daughterboard) Top Side Routing

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TPS2388EVM-016 (Daughterboard) Bottom Side Routing

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TPS2388EVM-016 (Daughterboard) Bottom Side Assembly

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List of Tables

TPS2388EVM-612 Voltage Rail Current Requirements

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EVM Input/Output Connectors

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EVM LEDs

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EVM Test Points

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EVM Jumpers

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TPS2388EVM-612 Bill of Materials

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TPS2388EVM-016 Bill of Materials

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Summary of Contents for TPS2388EVM-612

Page 1: ...erminal Response With Connected Ports 10 6 Semi Auto Mode Reference Code Structure 11 7 Virtual Auto Mode Reference Code Structure 12 8 TPS2388EVM 612 Motherboard Schematic Control 13 9 TPS2388EVM 612 Motherboard Schematic Power Ports 14 10 TPS2388EVM 016 Daughterboard Schematic 15 11 TPS2388EVM 612 Motherboard Top Side Assembly 16 12 TPS2388EVM 612 Motherboard Top Side Routing 17 13 TPS2388EVM 61...

Page 2: ...pliance test Single DC power supply input On board 3 3 V regulator On board I2 C interface to both TPS2388PW devices from either USB2ANY or MSP EXP430G2 Port ON status LEDs User test points 1 2 Applications Ethernet switches and routers Surveillance VDRs High power PoE PoE pass through systems 2 Quick Start 2 1 Input Power 2 1 1 Input Power Labeled VPWR DC input voltage is provided through J1 scre...

Page 3: ...pe 2 Ports 5195 5478 2 2 PoE Port Interfaces Configure the TPS2388 device with the host in order to get operational Control the TPS2388 device through the GUI or an external MCU The host must configure the TPS2388 and send power on command after a valid PD is connected to the port 2 2 1 Standard 30 W IEEE802 3 at Type 2 Ports Four standard ports are provided at J19 J20 J8 and J7 for two pair ports...

Page 4: ...88EVM 612 PoE PSE Evaluation Module for TPS2388 2 3 2 MSP EXP430G2 J3 J4 and J5 provide an interface with the MSP EXP430G2 or LaunchPad when using a PC to develop custom power management code 2 4 Basic Test Setup Using USB2ANY for I2 C Interface Semi Auto Mode Operation With I2 C Monitoring An I2 C interface is provided through J2 to the TPS2388PW devices on the TPS2388EVM 016 The USB2ANY adapter ...

Page 5: ...t 5 SLUUBQ7 August 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TPS2388EVM 612 PoE PSE Evaluation Module for TPS2388 2 5 Advanced Test Setup Using MSP EX430G2 LaunchPad The LaunchPad not included running a custom software program can communicate with the TPS2388 device on the TPS2388EVM 016 Figure 2 shows the advanced setup using LaunchPad Figure 2 Advanced Setu...

Page 6: ...r Port 3 Two pair port 3 power and data J10 J10 Two pair port 4 data only J7 2 Pair Port 4 Two pair port 4 power and data J24 J24 Four pair port 1 data only J21 4 Pair Port 1 Four pair port 1 power and data J12 J12 Four pair port 2 data only J9 4 Pair Port 2 Four pair port 2 power and data J29 J29 Chassis ground tie point 3 2 EVM LEDs Table 3 lists the EVM LEDs and their descriptions Table 3 EVM L...

Page 7: ... point Daughterboard TPS2388EVM 016 TP2 RED 2P4D Two pair port 4 DRAIN TP3 WHT 2P4G Two pair port 4 GATE TP4 WHT 4P1AG Four pair port 1A GATE TP5 RED 4P1AD Four pair port 1A DRAIN TP6 RED 4P1BD Four pair port 1B DRAIN TP7 WHT 4P1BG Four pair port 1B GATE TP1 BLK GND VPWR ground TP8 SMT GND VPWR ground 3 4 EVM Test Jumpers The EVM is equipped with shunts on the jumper positions identified in Table ...

Page 8: ...30 can be programmed within this environment The reference code can be downloaded from the TPS2388 product folder on TI com 6 Once CCS is installed use the basic set of instructions listed in Section 4 1 1 to import build and run the project CCS version 7 1 0 is used in the following examples Note that a terminal program such as HyperTerminal or Teraterm is required to view the output from the EVM...

Page 9: ...odule for TPS2388 Figure 3 Hit S to Start 11 Pressing the S key on the keyboard starts the program Figure 4 Program Started 12 The TPS2388EVM 612 is now waiting for a PD load to be installed As ports are installed the firmware automatically detects classifies and powers up the port as shown in Figure 5 Port status is updated on the screen approximately every 10 seconds ...

Page 10: ...arting from here The system software supports the following features Fully compliant to IEEE802 3at PoE specification Virtual Auto Mode operation Device detection and classification DC disconnect Faults reporting 4 2 2 Semi Auto Mode Reference code The reference code can support PSE systems with up to 48 ports It keeps track of all system level parameters as well as port level parameters for each ...

Page 11: ...17 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TPS2388EVM 612 PoE PSE Evaluation Module for TPS2388 Figure 6 Semi Auto Mode Reference Code Structure 4 2 3 Virtual Auto Mode Reference Code Since the TPS2388 does not have Auto Mode the main purpose of Virtual Auto Mode reference code is to operate the TPS2388 like Auto Mode by sending simple I2 C commands It is more b...

Page 12: ...ncorporated EVM Schematic Layout Guidelines and PCB Assembly Layer Plots www ti com 12 SLUUBQ7 August 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TPS2388EVM 612 PoE PSE Evaluation Module for TPS2388 Figure 7 Virtual Auto Mode Reference Code Structure 5 EVM Schematic Layout Guidelines and PCB Assembly Layer Plots This section contains the TPS2388EVM 612 schemati...

Page 13: ...Schematic Layout Guidelines and PCB Assembly Layer Plots 13 SLUUBQ7 August 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TPS2388EVM 612 PoE PSE Evaluation Module for TPS2388 Figure 8 TPS2388EVM 612 Motherboard Schematic Control ...

Page 14: ...nF 75 22nF 75 1nF 2kV MDCT3 1 MD3 2 MD3 3 MD2 4 MD2 5 MDCT2 6 MDCT4 7 MD4 8 MD4 9 MD1 10 MD1 11 MDCT1 12 13 14 15 16 VDC1 17 VDC1 18 VDC2 19 VDC2 20 Yellow Green Green Shield GND 1 MX1 2 MX1 3 MX2 6 MX2 4 MX3 5 MX3 7 MX4 8 MX4 J9 4 Pair Port 2 PSE_N7 PSE_N8 Port8 7_Data2_N VPWR PSE_N7 PSE_N8 2 3 4 1 5 6 7 8 J12 Port8 7 Data GND 1 2 J25 P6 1 2 J26 P5 22V D11 1SMB5933BT3G 22V D8 1SMB5933BT3G 1 1 1 1...

Page 15: ...1 2 3 5 6 Q3 CSD19538Q3A 4 7 8 1 2 3 5 6 Q4 CSD19538Q3A 4 7 8 1 2 3 5 6 Q7 CSD19538Q3A 4 7 8 1 2 3 5 6 Q8 CSD19538Q3A 4 7 8 1 2 3 5 6 Q5 CSD19538Q3A 4 7 8 1 2 3 5 6 Q6 CSD19538Q3A GAT1 1 SEN1 2 DRAIN1 3 KSENSA 4 DRAIN2 5 SEN2 6 GAT2 7 GAT3 8 SEN3 9 DRAIN3 10 KSENSB 11 DRAIN4 12 SEN4 13 GAT4 14 NC 15 NC 16 VPWR 17 NC 18 NC 19 ATST_DCPL0 20 AGND 21 NC 22 TEST1 23 TEST2 24 TEST3 25 TEST0 26 RESV 27 R...

Page 16: ... µF 50 V X7R ceramic at pin 1 VDD 5 2 2 Port Current Kelvin Sensing KSENSA is shared between SEN1 and SEN2 while KSENSB is shared between SEN3 and SEN4 In order to optimize the accuracy of the measurement the PCB layout must be done carefully to minimize the impact of PCB trace resistance Refer to Figure 17 as an example 5 2 3 Ground Plane Spacing and Isolation GND GND1 and EARTH nets Appropriate ...

Page 17: ...r Plots 17 SLUUBQ7 August 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TPS2388EVM 612 PoE PSE Evaluation Module for TPS2388 Figure 12 TPS2388EVM 612 Motherboard Top Side Routing Figure 13 TPS2388EVM 612 Motherboard Layer 2 Routing ...

Page 18: ...i com 18 SLUUBQ7 August 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TPS2388EVM 612 PoE PSE Evaluation Module for TPS2388 Figure 14 TPS2388EVM 612 Motherboard Layer 3 Routing Figure 15 TPS2388EVM 612 Motherboard Bottom Side Routing ...

Page 19: ...lots 19 SLUUBQ7 August 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TPS2388EVM 612 PoE PSE Evaluation Module for TPS2388 Figure 16 TPS2388EVM 016 Daughterboard Top Side Assembly Figure 17 TPS2388EVM 016 Daughterboard Top Side Routing ...

Page 20: ...m 20 SLUUBQ7 August 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TPS2388EVM 612 PoE PSE Evaluation Module for TPS2388 Figure 18 TPS2388EVM 016 Daughterboard Bottom Side Routing Figure 19 TPS2388EVM 016 Daughterboard Bottom Side Assembly ...

Page 21: ...1SMB5933BT3G ON Semiconductor D12 D13 D14 D16 D17 D18 6 Blue LED Blue SMD BLUE 0603 LED LB Q39G L2N2 35 1 OSRAM H1 H2 H3 H4 H5 H6 H7 H8 H9 9 Bumpon Cylindrical 0 312 X 0 200 Black Black Bumpon SJ61A1 3M H15 1 PSIL016 Daughter card Build Files Included With Project Files Used in PnP output and some BOM reports PSIL016 Daughter card Used in BOM report PSIL016 Daughter card J1 1 Terminal Block 5 08 m...

Page 22: ...ed Top 100mil Shunt SPC02SYAN Sullins Connector Solutions TP1 TP2 2 Red Test Point Multipurpose Red TH Keystone5010 5010 Keystone TP3 TP11 TP14 TP15 TP16 5 SMT Test Point Compact SMT Testpoint_Keystone_Com pact 5016 Keystone TP4 TP5 TP6 TP7 TP8 5 White Test Point Multipurpose White TH Keystone5012 5012 Keystone TP9 1 Black Test Point Multipurpose Black TH Keystone5011 5011 Keystone U1 1 100V 100mA...

Page 23: ...W 110 07 G S Samtec Inc J4 1 Header 100mil 4x2 Gold TH 4x2 Header TSW 104 07 G D Samtec Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 8 100V MOSFET N CH 100 V 5 A DNH0008A VSONP 8 DNH0008A CSD19538Q3A Texas Instruments R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 16 0 51 RES 0 51 ohm 1 0 25W 0805 0805 CRM0805 FX R510ELF Bourns SH J1 SH J2 SH J3 SH J4 4 1x2 Shunt 100mil Flash Gold Black Closed Top 100mil Shunt...

Page 24: ...y set forth above or credit User s account for such EVM TI s liability under this warranty shall be limited to EVMs that are returned during the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasonable time to repair such EVM or provide replacements Repaired EVMs shall be warr...

Page 25: ...the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this list having a gain greater than the maximum gain indicated for that type are strictly prohibited for use with this device Concernant les EVMs avec antennes détachables Conformément à la réglementation d Industrie Canada le présent émetteur radio peut fo...

Page 26: ...ed loads Any loads applied outside of the specified output range may also result in unintended and or inaccurate operation and or possible permanent damage to the EVM and or interface electronics Please consult the EVM user guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation even ...

Page 27: ...COST OF REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF USE LOSS OF DATA OR BUSINESS INTERRUPTION NO CLAIM SUIT OR ACTION SHALL BE BROUGHT AGAINST TI MORE THAN TWELVE 12 MONTHS AFTER THE EVENT THAT GAVE RISE TO THE CAUSE OF ACTION HAS OCCURRED 8 2 Specif...

Page 28: ... TI Resource NO OTHER LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY OTHER TI INTELLECTUAL PROPERTY RIGHT AND NO LICENSE TO ANY TECHNOLOGY OR INTELLECTUAL PROPERTY RIGHT OF TI OR ANY THIRD PARTY IS GRANTED HEREIN including but not limited to any patent right copyright mask work right or other intellectual property right relating to any combination machine or process in which TI product...

Page 29: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments TPS2388EVM 612 ...

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