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8 EVM Assembly Drawing and PCB Layout

The following figures show the design of the TPS53915EVM-PWR587 printed circuit board (see

). The EVM has been designed using a six-layer 2-oz copper-circuit board.

Figure 8-1. TPS53915EVM-587 Top-Layer Assembly Drawing

Figure 8-2. TPS53915EVM-587 Bottom-Layer Assembly Drawing

EVM Assembly Drawing and PCB Layout

12

TPS53915 Step-Down Converter Evaluation Module User's Guide

SLUUAS2C – OCTOBER 2013 – REVISED NOVEMBER 2021

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Copyright © 2021 Texas Instruments Incorporated

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Summary of Contents for TPS53915

Page 1: ...evice Scanning Mode 9 Figure 7 2 GUI for the Fusion Digital Power Designer 10 Figure 8 1 TPS53915EVM 587 Top Layer Assembly Drawing 12 Figure 8 2 TPS53915EVM 587 Bottom Layer Assembly Drawing 12 Figur...

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 TPS53915EVM PWR587 El...

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 P...

Page 4: ...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...

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 ap...

Page 6: ...47 5 0010100 0 1268 0 1179 0 1363 249 36 0 0010011 0 0960 0 0900 0 1024 255 27 0 0010010 0 0684 0 0622 0 0752 255 18 7 0010001 0 0404 0 0340 0 0480 270 11 5 0010000 0 013 300 1 For different switching...

Page 7: ...etting the VDD pin connected to the VIN pins through R19 For power up input J7 with proper voltage The VDD pin input voltage range is from 4 5 V to 25 V www ti com Configurations SLUUAS2C OCTOBER 2013...

Page 8: ...e www ti com for more information to J4 of the EVM Ensure that Pin 1 of the USB interface adaptor red wire is connected correctly to Pin 1 of J4 on the EVM 6 Connect the USB wire of the USB interface...

Page 9: ...ice Scanning Mode www ti com Test Procedure SLUUAS2C OCTOBER 2013 REVISED NOVEMBER 2021 Submit Document Feedback TPS53915 Step Down Converter Evaluation Module User s Guide 9 Copyright 2021 Texas Inst...

Page 10: ...channel B to TP11 4 Connect the ground lead of channel A and channel B to TP15 5 Inject around 20 mV or less signal through the isolation transformer 6 To measure control loop gain and phase margin c...

Page 11: ...HA 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 5 Equipment Shutdown Follow these...

Page 12: ...d using a six layer 2 oz copper circuit board Figure 8 1 TPS53915EVM 587 Top Layer Assembly Drawing Figure 8 2 TPS53915EVM 587 Bottom Layer Assembly Drawing EVM Assembly Drawing and PCB Layout www ti...

Page 13: ...PS53915EVM 587 Layer Two Copper www ti com EVM Assembly Drawing and PCB Layout SLUUAS2C OCTOBER 2013 REVISED NOVEMBER 2021 Submit Document Feedback TPS53915 Step Down Converter Evaluation Module User...

Page 14: ...PS53915EVM 587 Layer Four Copper EVM Assembly Drawing and PCB Layout www ti com 14 TPS53915 Step Down Converter Evaluation Module User s Guide SLUUAS2C OCTOBER 2013 REVISED NOVEMBER 2021 Submit Docume...

Page 15: ...S53915EVM 587 Bottom Layer Copper www ti com EVM Assembly Drawing and PCB Layout SLUUAS2C OCTOBER 2013 REVISED NOVEMBER 2021 Submit Document Feedback TPS53915 Step Down Converter Evaluation Module Use...

Page 16: ...83 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 4 100 k RES 100 k 1 0 1 W 0603 06...

Page 17: ...d user s guide for clarity 2 Changed user s guide title 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 Ripp...

Page 18: ...ther 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 tec...

Page 19: ...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 in...

Page 20: ...instructions set forth by Radio Law of Japan which includes but is not limited to the instructions below with respect to EVMs which for the avoidance of doubt are stated strictly for convenience and s...

Page 21: ...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 electr...

Page 22: ...R 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 Furthe...

Page 23: ...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 thes...

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