Texas Instruments BOOST-PSEMTHR8-097 Скачать руководство пользователя страница 20 | Manualshive

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EVM Schematic, Layout Guidelines, PCB Assembly and Layer Plots

20

SLVUBQ3 – August 2019

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Copyright © 2019, Texas Instruments Incorporated

TPS23882EVM: PoE, PSE, TPS23882 Evaluation Module

Figure 15. TPS23882EVM-008 (Daughterboard) Schematic

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Содержание BOOST-PSEMTHR8-097

Страница 1: ...TPS23882 GUI Load Firmware 2 11 7 Device Configuration and Port Telemetry Page 12 8 Register Map 13 9 Semi Auto UART Transmission Startup 14 10 Semi Auto UART Transmission Status 15 11 Auto Mode System Software Structure 16 12 Semi Auto Mode System Software Structure 17 13 BOOST PSEMTHR8 097 Motherboard Schematic Control 18 14 BOOST PSEMTHR8 097 Motherboard Schematic Power Ports 19 15 TPS23882EVM ...

Страница 2: ...EE802 3bt 2 pair ports with 1000BASE T gigabit Ethernet data pass through Single DC power supply input Onboard 3 3 V regulator Onboard I2 C interface to the TPS23882 device from either USB2ANY or MSP EXP430FR5969 Port ON status LEDs Reset button for easy reconfiguration User test points 1 2 Applications The EVM is used in the following applications Enterprise and SoHO switches and routers Connecte...

Страница 3: ...r from J2 of the mother board from USB2ANY or J5 of the mother board from MSP EXP430FR5969 CAUTION Do not use USB2ANY and LaunchPad simultaneously Table 1 TPS23882 Voltage Rail Current Requirements Voltage Rail Typical mA Maximum mA 3 3 V_USB 2 5 3 3 3 V 6 12 VPWR Miscellaneous 35 57 VPWR 8 2 Pair Ports 4800 5455 VPWR Total 8 2 Pair Ports 4835 5512 2 2 PoE Port Interfaces The TPS23882 device must ...

Страница 4: ...s are interoperable with PDs Only 2P 15W and 2P 30W are valid selections on the TPS23882EVM 008 as the other resistors are not populated In order to test with autonomous mode install a jumper on the pins of J5 corresponding to the desired power level and power on the board without the USB2ANY or MSP EXP430FR5969 connected Figure 1 illustrates the basic setup using autonomous mode Figure 1 Basic Se...

Страница 5: ...ation Module 2 5 Basic Test Setup Using USB2ANY for I2 C Interface Auto Mode or Semi Auto Mode Operation with I2 C Monitoring An I2 C interface is provided through J2 of the mother board to the TPS23882 device on the TPS23882EVM 008 The USB2ANY adapter not included can be used with any TI GUI which uses USB2ANY to read and write over an I2 C bus Figure 2 illustrates the basic setup using USB2ANY F...

Страница 6: ...d Test Setup Using MSP EX430FR5969 LaunchPad The LaunchPad not included running a custom software program can communicate with the TPS23882 devices on the TPS23882EVM 008 Figure 3 shows the advanced setup using LaunchPad Figure 3 Advanced Setup Using LaunchPad CAUTION If wanting to run TPS23882 in semi auto mode remove the jumper installed on J5 of the TPS23882 daughter board before powering on th...

Страница 7: ...ta only J20 2 Pair Port 2 Two pair port 2 power and data J11 J11 Two pair port 3 data only J8 2 Pair 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 J31 J31 Two pair port 5 data only J32 2 Pair Port 5 Two pair port 5 power and data J30 J30 Two pair port 6 data only J33 2 Pair Port 6 Two pair port 6 power and data J24 J24 Two p...

Страница 8: ...rboard BOOST PSEMTHR8 097 TP1 RED VPWR Used for VPWR TP2 RED 3 3 V Used for TPS23882 VDD TP3 SMT GND VPWR ground TP4 WHT SDA I2 C Data from LaunchPad and USB TO GPIO TP5 WHT SCL I2 C Clock from LaunchPad and USB TO GPIO TP6 WHT PSE_SDAO I2 C data out from TPS23882 TP7 WHT PSE_SCL I2 C clock to TPS23882 TP8 WHT PSE_SDAI I2 C data in to TPS23882 TP9 BLK GND1 Ground from LaunchPad and USB2ANY TP10 SM...

Страница 9: ...nomous mode is enabled if connecting auto pin to ground with selected resistance 2 pair 30W operation is selected by default 4 TPS23882 GUI Setup 4 1 TPS23882 GUI Installation TI s TPS23882 GUI is used with the TPS23882 to control the port and provide real time feedback on port telemetry Download the TPS23882 GUI from the TPS23882 product folder page in the Tools and software section Follow the on...

Страница 10: ...e the GENERAL MASK Register section of the data sheet for details The address can be programed through the A1 to A4 pins and the I2C address setting in the GUI needs to match the hardware configuration See the Pin Status Register section of the data sheet for details The startup page contains links to the EVM user s guide TPS23882 data sheet E2E forum and MSP430 reference code Four popular PD end ...

Страница 11: ...etup 11 SLVUBQ3 August 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS23882EVM PoE PSE TPS23882 Evaluation Module Figure 5 TPS23882 GUI Load Firmware 1 Figure 6 TPS23882 GUI Load Firmware 2 ...

Страница 12: ... port to standard configurations configuring ports in Semi Auto mode enabling OSS power policing and DC disconnect Clicking the SET ALL PORTS TO AUTO MODE button enables Auto Mode for all ports The status of each port is shown on the configuration and telemetry page The configuration of the ports can also be edited on this page by clicking the RJ45 connector If the port is configured in Auto Mode ...

Страница 13: ...www ti com TPS23882 GUI Setup 13 SLVUBQ3 August 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS23882EVM PoE PSE TPS23882 Evaluation Module Figure 8 Register Map ...

Страница 14: ...a terminal program such as HyperTerminal or Teraterm is required to view the output from the EVM when it is running 4 3 1 Basic CCS and Terminal Setup Use the following steps for basic CCS and terminal setup 1 Launch the CCS program on the PC Start Texas Instruments Code Composer Studio 7 2 0 Code Composer Studio 7 2 0 2 OK the workspace location and CCS starts 3 Import the project Project Import ...

Страница 15: ...PS23882EVM PoE PSE TPS23882 Evaluation Module 10 The TPS23882 is now waiting for a PD load to be installed As ports are installed the system automatically detects classifies and powers up the port as shown in Figure 10 Port status is updated on the screen approximately every 10 seconds Figure 10 Semi Auto UART Transmission Status ...

Страница 16: ...e for basic applications published on ti com This reference code will be discussed in the following sections The system software supports the following features IEEE802 3bt PoE specification Device detection connection check and classification Automatic power on standard 2 pair PDs DC disconnect Port telemetry updates The MSP430 communicates with the PC through UART reporting the parameter and sta...

Страница 17: ...Q3 August 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS23882EVM PoE PSE TPS23882 Evaluation Module 4 4 3 Semi Auto Mode Operation the semi auto mode reference code is interrupt based When MSP430 receives an interrupt from PSE s INT pin the code checks interrupt the register and event registers to proceed with actions accordingly The flowchart of semi auto mod...

Страница 18: ...ssembly and Layer Plots www ti com 18 SLVUBQ3 August 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS23882EVM PoE PSE TPS23882 Evaluation Module Figure 13 BOOST PSEMTHR8 097 Motherboard Schematic Control ...

Страница 19: ...nes PCB Assembly and Layer Plots 19 SLVUBQ3 August 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS23882EVM PoE PSE TPS23882 Evaluation Module Figure 14 BOOST PSEMTHR8 097 Motherboard Schematic Power Ports ...

Страница 20: ...CB Assembly and Layer Plots www ti com 20 SLVUBQ3 August 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS23882EVM PoE PSE TPS23882 Evaluation Module Figure 15 TPS23882EVM 008 Daughterboard Schematic ...

Страница 21: ... 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 22 as an example 5 2 3 Ground Plane Spacing and Isolation GND GND1 and EARTH nets Appropriate spacing should be provided ...

Страница 22: ...ti com 22 SLVUBQ3 August 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS23882EVM PoE PSE TPS23882 Evaluation Module Figure 17 BOOST PSEMTHR8 097 Motherboard Top Side Routing Figure 18 BOOST PSEMTHR8 097 Motherboard Layer 2 Routing ...

Страница 23: ...lots 23 SLVUBQ3 August 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS23882EVM PoE PSE TPS23882 Evaluation Module Figure 19 BOOST PSEMTHR8 097 Motherboard Layer 3 Routing Figure 20 BOOST PSEMTHR8 097 Motherboard Bottom Side Routing ...

Страница 24: ...Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS23882EVM PoE PSE TPS23882 Evaluation Module Figure 21 TPS23882EVM 008 Daughterboard Top Side Assembly Figure 22 TPS23882EVM 008 Daughterboard Top Side Routing Figure 23 TPS23882EVM 008 Daughterboard Bottom Side Routing ...

Страница 25: ...ines PCB Assembly and Layer Plots 25 SLVUBQ3 August 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS23882EVM PoE PSE TPS23882 Evaluation Module Figure 24 TPS23882EVM 008 Daughterboard Bottom Side Assembly ...

Страница 26: ... SMT Radial H13 EEV FK2A470Q Panasonic C17 C18 2 2200pF CAP CERM 2200 pF 2000 V 10 X7R 1812 1812 C4532X7R3D222K130KA TDK C21 1 1000pF CAP CERM 1000 pF 50 V 10 X7R 0402 0402 885012205061 Wurth Elektronik D1 1 White LED True Green SMD 2 8x3 2mm LT E6SG AABB 35 1 OSRAM D2 1 58V Diode TVS Uni 58 V 93 6 Vc SMC SMC SMCJ58A 13 F Diodes Inc D3 1 Green LED Green SMD 1 6x0 8x0 8mm LTST C190KGKT Lite On D4 D...

Страница 27: ...03 CRCW0603340RFKEA Vishay Dale R14 R15 R16 R17 R19 R20 R21 R22 8 35 7k RES 35 7 k 1 0 25 W AEC Q200 Grade 0 1206 1206 CRCW120635K7FKEA Vishay Dale R18 1 200k RES 200 k 1 0 1 W AEC Q200 Grade 0 0603 0603 CRCW0603200KFKEA Vishay Dale R23 1 47 0k RES 47 0 k 1 0 0625 W 0402 0402 RC0402FR 0747KL Yageo America S1 1 Switch SPST NO 0 05 A 12 VDC SMT 3x2mm TL3780AF330QG E Switch SH J1 SH J2 SH J3 SH J4 SH...

Страница 28: ...ents None R1 R3 R5 R7 R10 R12 R14 R16 8 0 2 RES 0 2 1 0 333 W 0805 0805 RL1220S R20 F Susumu Co Ltd R17 1 124k RES 124 k 1 0 125 W AEC Q200 Grade 0 0805 0805 CRCW0805124KFKEA Vishay Dale R18 1 61 9k RES 61 9 k 1 0 125 W AEC Q200 Grade 0 0805 0805 CRCW080561K9FKEA Vishay Dale SH J1 SH J2 SH J3 SH J4 SH J5 5 1x2 Shunt 100mil Flash Gold Black Closed Top 100mil Shunt SPC02SYAN Sullins Connector Soluti...

Страница 29: ...other than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control techniques are used to the extent TI deems necessary TI does not test all parameters of each EVM User s claims against TI under this Section 2 are void if User fails to notify TI of any apparent defects...

Страница 30: ... These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation...

Страница 31: ...y for convenience and should be verified by User 1 Use EVMs in a shielded room or any other test facility as defined in the notification 173 issued by Ministry of Internal Affairs and Communications on March 28 2006 based on Sub section 1 1 of Article 6 of the Ministry s Rule for Enforcement of Radio Law of Japan 2 Use EVMs only after User obtains the license of Test Radio Station as provided in R...

Страница 32: ... any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electrical shock hazard User assumes all responsibility and liability for any improper or unsafe handling or use of the EVM by User or its employees affiliates contractors or designees 4 4 User assumes all...

Страница 33: ...OR DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT 9 Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthermore no return of EVM s will be accepted if the package has been opened and no return of the EVM s will be accepted if they are damaged or otherwise not in a resalable condition If User feels it has...

Страница 34: ...se resources are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of these resources is prohibited No license is granted to any other TI intellectual property right or to any third party intellectual property right TI disclaims responsibility for...

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