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Page: 38 / 48

Texas Instruments TPS549D22EVM-784 User Manual Download Page 38

EVM Assembly Drawing and PCB Layout

38

SLUUBG4 – July 2016

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Copyright © 2016, Texas Instruments Incorporated

TPS549D22EVM-784, 40-A Single Synchronous Step-Down Converter With
Full Differential Sense and PMBus™

Figure 38. PWR-784EVM Inner Layer 2 (Top View)

Figure 39. PWR-784EVM Inner Layer 3 (Top View)

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Summary of Contents for TPS549D22EVM-784

Page 1: ...with the TPS549D22EVM 784 unless otherwise noted Contents 1 Introduction 3 2 Description 3 2 1 Typical End User Applications 3 2 2 EVM Features 3 3 EVM Electrical Performance Specifications 4 4 Schem...

Page 2: ...Scan Finds Device Successfully 24 22 Software Launch Continued 25 23 Software Launch Continued 25 24 First Screen After Successful Launch Configure Limits and On Off 26 25 Configure Frequency FS Conf...

Page 3: ...C converter that demonstrates the TPS549D22 in a typical low voltage application while providing a number of test points to evaluate the performance It uses a nominal 12 V input bus to produce a regul...

Page 4: ...eristics Voltage range VIN tied to VDD 5 12 16 V Maximum input current VIN 12 V IO 40 A 12 A No load input current VIN 12 V IO 0 A 60 mA Output Characteristics VOUT Output voltage Output current 10 A...

Page 5: ...LO 4 BOOT 5 SW 6 SW 7 SW 8 SW 9 SW 10 SW 11 SW 12 PGND 13 PGND 14 PGND 15 PGND 16 PGND 17 PGND 18 PGND 19 PGND 20 PVIN 21 PVIN 22 PVIN 23 PVIN 24 PVIN 25 PVIN 26 NC 27 VDD 28 DRGND 29 AGND 30 BP 31 FS...

Page 6: ...e The application uses the PMBus protocol to communicate with the controller over serial bus by way of a TI USB adapter This adapter can be purchased at http www ti com tool usb to gpio NOTE The TI US...

Page 7: ...hown in Figure 3 The scope must be adjusted to 20 MHz bandwidth AC coupling at 50 mV division and must be set to 1 s division Fan During prolonged operation at high loads it may be necessary to provid...

Page 8: ...w ti com 8 SLUUBG4 July 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TPS549D22EVM 784 40 A Single Synchronous Step Down Converter With Full Differential Sense and P...

Page 9: ...BG4 July 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TPS549D22EVM 784 40 A Single Synchronous Step Down Converter With Full Differential Sense and PMBus Figure 4 E...

Page 10: ...ements TP3 T H loop RemS Remote sense TP11 T H loop RemS Remote sense TP4 T H loop PVIN Sense VIN across C10 TP13 T H loop PGND Sense VIN across C10 TP1 T H loop VDD Supplies the internal circuitry TP...

Page 11: ...lse VPBAD True MFR_33 0xF1 0x00 0 MFR_42 0xFA 0x00 0 MFR_44 0xFC 0x0201 ID 0x020 TPS549C20 Revision 0x1 ON_OFF_CONFIG 0x02 0x17 Mode CONTROL Pin Only Control Active High Turn off Immediately OPERATION...

Page 12: ...from 0 ADC to maximum rated output 40 ADC VOUT must remain in regulation as defined in Table 1 10 Vary VIN from 5 V to 16 V VOUT must remain in regulation as defined in Table 1 11 Decrease the load to...

Page 13: ...LUUBG4 July 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TPS549D22EVM 784 40 A Single Synchronous Step Down Converter With Full Differential Sense and PMBus 11 Perf...

Page 14: ...ww ti com 14 SLUUBG4 July 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TPS549D22EVM 784 40 A Single Synchronous Step Down Converter With Full Differential Sense and...

Page 15: ...Curves 15 SLUUBG4 July 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TPS549D22EVM 784 40 A Single Synchronous Step Down Converter With Full Differential Sense and PM...

Page 16: ...ti com 16 SLUUBG4 July 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TPS549D22EVM 784 40 A Single Synchronous Step Down Converter With Full Differential Sense and PM...

Page 17: ...urves 17 SLUUBG4 July 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TPS549D22EVM 784 40 A Single Synchronous Step Down Converter With Full Differential Sense and PMB...

Page 18: ...rves www ti com 18 SLUUBG4 July 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TPS549D22EVM 784 40 A Single Synchronous Step Down Converter With Full Differential Sen...

Page 19: ...ubmit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TPS549D22EVM 784 40 A Single Synchronous Step Down Converter With Full Differential Sense and PMBus 11 4 Transient Response F...

Page 20: ...ck Copyright 2016 Texas Instruments Incorporated TPS549D22EVM 784 40 A Single Synchronous Step Down Converter With Full Differential Sense and PMBus 11 5 Output Ripple Figure 14 Output Ripple and SW N...

Page 21: ...ck Copyright 2016 Texas Instruments Incorporated TPS549D22EVM 784 40 A Single Synchronous Step Down Converter With Full Differential Sense and PMBus 11 6 Control On Figure 16 Start up from Control 1 V...

Page 22: ...4 July 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TPS549D22EVM 784 40 A Single Synchronous Step Down Converter With Full Differential Sense and PMBus 11 7 Control...

Page 23: ...BG4 July 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TPS549D22EVM 784 40 A Single Synchronous Step Down Converter With Full Differential Sense and PMBus 11 8 Therm...

Page 24: ...tation Feedback Copyright 2016 Texas Instruments Incorporated TPS549D22EVM 784 40 A Single Synchronous Step Down Converter With Full Differential Sense and PMBus 12 Fusion GUI Figure 20 First Window a...

Page 25: ...bmit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TPS549D22EVM 784 40 A Single Synchronous Step Down Converter With Full Differential Sense and PMBus Figure 22 Software Launch...

Page 26: ...the All Config tab to configure all of the configurable parameters Figure 24 The screen also shows other details like hexadecimal hex encoding Use this screen to configure Power Good Delay Power On D...

Page 27: ...ght 2016 Texas Instruments Incorporated TPS549D22EVM 784 40 A Single Synchronous Step Down Converter With Full Differential Sense and PMBus Changing the frequency prompts a pop up window with details...

Page 28: ...nge U icon is displayed to offer Undo Change option Change is not retained until either Write to Hardware or Store Config to NVM is selected When Write to Hardware is selected change is committed to v...

Page 29: ...ep Down Converter With Full Differential Sense and PMBus After making changes to one or more configurable parameters the changes can be committed to nonvolatile memory by selecting Store Config to NVM...

Page 30: ...porated TPS549D22EVM 784 40 A Single Synchronous Step Down Converter With Full Differential Sense and PMBus In the lower left corner the different view screens can be changed The view screens can be c...

Page 31: ...t 2016 Texas Instruments Incorporated TPS549D22EVM 784 40 A Single Synchronous Step Down Converter With Full Differential Sense and PMBus Selecting System Dashboard from mid left screen adds a new win...

Page 32: ...Feedback Copyright 2016 Texas Instruments Incorporated TPS549D22EVM 784 40 A Single Synchronous Step Down Converter With Full Differential Sense and PMBus Selecting Status from lower left corner shows...

Page 33: ...nous Step Down Converter With Full Differential Sense and PMBus Selecting Store User Configuration to Flash Memory from the device pull down menu has the same functionality as the Store Config to NVM...

Page 34: ...own Converter With Full Differential Sense and PMBus Selecting PMBus Logging Figure 32 from the Tools drop down menu enables the logging of all PMBus activity This includes communications traffic for...

Page 35: ...Differential Sense and PMBus Select the storage location for the file and the type of file As shown Figure 33 the file is a CSV file to be stored in the directory path shown Logging begins when the S...

Page 36: ...A Single Synchronous Step Down Converter With Full Differential Sense and PMBus 13 EVM Assembly Drawing and PCB Layout Figure 34 through Figure 41 show the design of the PWR 784EVM printed circuit boa...

Page 37: ...016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TPS549D22EVM 784 40 A Single Synchronous Step Down Converter With Full Differential Sense and PMBus Figure 36 PWR 784EVM...

Page 38: ...6 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TPS549D22EVM 784 40 A Single Synchronous Step Down Converter With Full Differential Sense and PMBus Figure 38 PWR 784EVM I...

Page 39: ...16 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TPS549D22EVM 784 40 A Single Synchronous Step Down Converter With Full Differential Sense and PMBus Figure 40 PWR 784EVM...

Page 40: ...it Documentation Feedback Copyright 2016 Texas Instruments Incorporated TPS549D22EVM 784 40 A Single Synchronous Step Down Converter With Full Differential Sense and PMBus Figure 42 PWR 784EVM Bottom...

Page 41: ...ear Transparent Bumpon SJ 5303 CLEAR 3M J1 J2 J3 J5 4 TERMINAL BLOCK 5 08MM VERT 2POS TH TERM_BLK 2pos 5 08mm ED120 2DS On Shore Technology J4 1 Header 100mil 2x1 Tin TH Header 2 PIN 100mil Tin PEC02S...

Page 42: ...0pF CAP CERM 470 pF 50 V 10 X7R 0603 0603 GRM188R71H471KA01D Murata C30 C43 0 100uF CAP CERM 100 F 6 3 V 20 X5R 1210 1210 GRM32ER60J107ME20L Murata C31 0 0 1uF CAP CERM 0 1 F 50 V 10 X7R 0603 0603 GRM...

Page 43: ...ing 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 repa...

Page 44: ...transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indic...

Page 45: ...ified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors current sens...

Page 46: ...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 L...

Page 47: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...

Page 48: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments TPS549D22EVM 784...

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