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Texas Instruments TPS53515 User Manual Download Page 9

8 EVM Assembly Drawing and PCB Layout

The following figures show the design of the TPS53515EVM-PWR587 printed circuit board (see

,

,

,

). The EVM has been

designed using a six-layer, 2-oz copper-circuit board.

Figure 8-1. TPS53515EVM-587 Top-Layer Assembly Drawing

Figure 8-2. TPS53515EVM-587 Bottom-Layer Assembly Drawing

EVM Assembly Drawing and PCB Layout

SLUUAS1C – OCTOBER 2013 – REVISED NOVEMBER 2021

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TPS53515 Step-Down Converter Evaluation Module User's Guide

9

Copyright © 2021 Texas Instruments Incorporated

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Summary of Contents for TPS53515

Page 1: ... 6 6 2 Mode Selection 6 6 3 VDD Pin Supply Selection 6 7 Test Procedure 7 7 1 Line and Load Regulation and Efficiency Measurement Procedure 7 7 2 Control Loop Gain and Phase Measurement Procedure 7 7 3 List of Test Points 8 7 4 Equipment Shutdown 8 8 EVM Assembly Drawing and PCB Layout 9 9 Bill of Materials 13 10 Revision History 14 www ti com Table of Contents SLUUAS1C OCTOBER 2013 REVISED NOVEMB...

Page 2: ...M selection Jumper J7 for extra 5 V input for further power saving purpose Convenient test points for probing critical waveforms 3 Electrical Performance Specifications Table 3 1 TPS53515EVM PWR587 Electrical Performance Specifications 1 PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Input Characteristics Voltage range VIN 5 12 18 V Maximum input current VIN 5 V IO 8 A 2 5 A No load input current VIN...

Page 3: ...14 TP15 470pF C8 ADDR RF 1 PGOOD 2 EN 3 VBST 4 NC 5 SW 6 SW 7 SW 8 SW 9 PGND 10 PGND 11 PGND 12 PGND 13 PGND 14 VIN 15 VIN 16 VIN 17 NC 18 VDD 19 VREG 20 MODE 21 AGND 22 FB 23 VO 24 TRIP 25 26 27 28 PW PD 29 TPS53515RVE U1 1uF C25 1uF C26 1 2 3 4 5 6 7 8 9 10 PEC05DAAN J6 1 R16 1 1 2 2 ED555 2 DS J7 C24 DNP C27 DNP VDD_19 VREG VREG VREG VREG VIN VIN VOUT VOUT VOUT VOUT VDD VDD VDD SW FB FB MODE PG...

Page 4: ...ect VIN to J1 as shown in Figure 5 2 Multimeters V1 VIN at TP1 VIN and TP4 GND V2 VOUT at TP7 VOUT and TP9 GND Output Load The output load must an electronic constant resistance mode load capable of 0 to 15 ADC at 1 2 V T 9 P T 7 P Metal Ground Barrel Probe Tip Figure 5 1 Tip and Barrel Measurement for VOUT Ripple Recommended Wire Gauge 1 VIN to J1 12 V input The recommended wire size is 1 AWG num...

Page 5: ... 2 2 Connect the voltmeter V1 at TP1 VIN and TP4 GND to measure the input voltage Output Connections 1 Connect the load to J3 and set the load to constant resistance mode to sink 0 ADC before VIN is applied 2 Connect the voltmeter V2 at TP7 VOUT and TP9 GND to measure the output voltage www ti com Test Setup SLUUAS1C OCTOBER 2013 REVISED NOVEMBER 2021 Submit Document Feedback TPS53515 Step Down Co...

Page 6: ...SELECTION 1 to 2 pin shorted FCCM with 2x RC time constant 3 to 4 pin shorted 1 FCCM 2 with 1x RC time constant 1 5 to 6 pin shorted FCCM 2 with 2x RC time constant 7 to 8 pin shorted Auto skip mode with 2 RC time constant 9 to 10 pin shorted Auto skip mode with 1 RC time constant 1 Default setting 2 The device enters FCCM after PGOOD goes high 6 3 VDD Pin Supply Selection The controller can be en...

Page 7: ...PWR587 contains a 10 Ω series resistor in the feedback loop for loop response analysis 1 Set up the EVM as described in Section 5 and Figure 5 2 2 Connect the isolation transformer to the test points marked TP5 and TP8 3 Connect the input signal amplitude measurement probe channel A to TP10 Connect the output signal amplitude measurement probe channel B to TP11 4 Connect the ground lead of channel...

Page 8: ...CHA Input A for loop injection TP9 PGND Power ground TP10 RF RF pin TP11 TRIP TRIP pin TP12 EN Enable pin TP13 VDD VDD pin TP14 MODE MODE pin TP15 AGND Analog ground 7 4 Equipment Shutdown Follow these steps when shutting down the equipment 1 Shut down load 2 Shut down VIN Test Procedure www ti com 8 TPS53515 Step Down Converter Evaluation Module User s Guide SLUUAS1C OCTOBER 2013 REVISED NOVEMBER...

Page 9: ...gure 8 8 The EVM has been designed using a six layer 2 oz copper circuit board Figure 8 1 TPS53515EVM 587 Top Layer Assembly Drawing Figure 8 2 TPS53515EVM 587 Bottom Layer Assembly Drawing www ti com EVM Assembly Drawing and PCB Layout SLUUAS1C OCTOBER 2013 REVISED NOVEMBER 2021 Submit Document Feedback TPS53515 Step Down Converter Evaluation Module User s Guide 9 Copyright 2021 Texas Instruments...

Page 10: ...TPS53515EVM 587 Layer Two Copper EVM Assembly Drawing and PCB Layout www ti com 10 TPS53515 Step Down Converter Evaluation Module User s Guide SLUUAS1C OCTOBER 2013 REVISED NOVEMBER 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated ...

Page 11: ...TPS53515EVM 587 Layer Four Copper www ti com EVM Assembly Drawing and PCB Layout SLUUAS1C OCTOBER 2013 REVISED NOVEMBER 2021 Submit Document Feedback TPS53515 Step Down Converter Evaluation Module User s Guide 11 Copyright 2021 Texas Instruments Incorporated ...

Page 12: ...PS53515EVM 587 Bottom Layer Copper EVM Assembly Drawing and PCB Layout www ti com 12 TPS53515 Step Down Converter Evaluation Module User s Guide SLUUAS1C OCTOBER 2013 REVISED NOVEMBER 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated ...

Page 13: ... 283 0 433 inch 69P987xN Vitec LBL1 1 Thermal Transfer Printable Labels 0 650 W 0 2 inch H 10 000 per roll PCB Label 0 65 H 0 2 inch W THT 14 423 10 Brady R1 R2 R14 R15 4 100k RES 100 kΩ 1 0 1 W 0603 0603 CRCW0603100KFKEA Vishay Dale R3 1 1k RES 1 kΩ 1 0 1 W 0603 0603 CRCW06031K00FKEA Vishay Dale R4 1 300k RES 300 kΩ 1 0 1 W 0603 0603 RC0603FR 07300KL Yageo America R5 R8 R19 3 0 RES 0 Ω 5 0 1 W 06...

Page 14: ...s references throughout the document 2 Changes from Revision A December 2013 to Revision B February 2014 Page Changed the test points in the Tip and Barrel Measurement for VOUT Ripple image from TPS5 and TPS7 to TPS7 and TPS9 respectively from left to right 4 Revision History www ti com 14 TPS53515 Step Down Converter Evaluation Module User s Guide SLUUAS1C OCTOBER 2013 REVISED NOVEMBER 2021 Submi...

Page 15: ...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...

Page 16: ... 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...

Page 17: ...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...

Page 18: ... 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...

Page 19: ...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...

Page 20: ...o 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 and you will fully indemn...

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