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9 EVM Assembly Drawing and PCB Layout

The following figures (

Figure 9-1

 through 

Figure 9-6

) show the design of the TPS53313EVM-078 printed circuit 

board. The EVM has been designed using 4 Layers, 2-oz copper circuit board.

Figure 9-1. TPS53313EVM-078 Top Layer Assembly Drawing (top view)

Figure 9-2. TPS53313EVM-078 Bottom Assembly Drawing (bottom view)

EVM Assembly Drawing and PCB Layout

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18

TPS53313 Step-Down Converter Evaluation Module User's Guide

SLUU819A – DECEMBER 2011 – REVISED DECEMBER 2021

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Copyright © 2021 Texas Instruments Incorporated

Summary of Contents for TPS53313EVM-078

Page 1: ...Synchronization 16 8 11 Bode Plot 16 8 12 Thermal Image 17 9 EVM Assembly Drawing and PCB Layout 18 10 List of Materials 21 11 Revision History 22 List of Figures Figure 4 1 TPS53313EVM 078 Schematic...

Page 2: ...VOUT 6 A IOUT FCCM Mode fSW 1 00 MHz 17 Figure 9 1 TPS53313EVM 078 Top Layer Assembly Drawing top view 18 Figure 9 2 TPS53313EVM 078 Bottom Assembly Drawing bottom view 18 Figure 9 3 TPS53313EVM 078 T...

Page 3: ...e and overtemperature protections Power good indication Pre bias output voltage start up Convenient test points for probing critical waveforms 3 Electrical Performance Specifications Table 3 1 TPS5331...

Page 4: ...R13 160k R15 R9 10 0k R10 20 0k R11 39 0k TP5 1 2 J1 C6 220pF R16 10 0 C12 22uF C14 22uF TP8 1 2 J5 C16 10nF 1 2 3 4 J3 C5 560pF R2 51 0k C2 22uF TP10 1 EN 2 PG 3 VIN 4 VIN 5 VIN 6 VIN 7 PGND 8 PGND 9...

Page 5: ...rough TP10 and holding the ground barrel on TP8 as shown in Figure 5 1 Using a leaded ground connection may induce additional noise due to the large ground loop TP10 TP8 Figure 5 1 Tip and Barrel Meas...

Page 6: ...nnected to J2 as shown in Figure 5 2 Connect a current meter A1 between VIN and J2 to measure the input current Connect a voltmeter V1 at TP3 VIN and TP6 GND to measure the input voltage 5 2 2 Output...

Page 7: ...ETTING CAPACITANCE OVERCURRENT LIMIT 10 nF 9 A 2 2 nF 4 5 A Open 6 A 6 3 Enable Selection The converter can be enabled and disabled by J1 6 3 1 Default Setting Short to Disable the Converter 6 4 Switc...

Page 8: ...onnect output signal amplitude measurement probe channel B to TP11 4 Connect ground lead of channel A and channel B to TP13 5 Inject around 10 mV or less signal through the isolation transformer 6 Swe...

Page 9: ...FCCM Mode Figure 8 1 Efficiency 8 2 Load Regulation 1 18 1 185 1 19 1 195 1 2 1 205 1 21 1 215 1 22 0 1 2 3 4 5 6 ILOAD Load Current A V OUT Output Voltage V VIN 12 V fsw 600 kHz Skip Mode VIN 12 V fs...

Page 10: ...kip Mode fsw 1 00 MHz IOUT 6 A FCCM Mode fsw 600 kHz IOUT 6 A FCCM Mode fsw 1 00 MHz IOUT 6 A Figure 8 3 Line Regulation Performance Data and Typical Characteristic Curves www ti com 10 TPS53313 Step...

Page 11: ...Output Load 0 A to 3 A Transient Under Skip Mode 12 V VIN 1 2 V VOUT fSW 600 kHz www ti com Performance Data and Typical Characteristic Curves SLUU819A DECEMBER 2011 REVISED DECEMBER 2021 Submit Docu...

Page 12: ...utput Ripple at Full Load 12 V VIN 1 2 V VOUT 6 A Skip Mode fSW 600 kHz Performance Data and Typical Characteristic Curves www ti com 12 TPS53313 Step Down Converter Evaluation Module User s Guide SLU...

Page 13: ...witching Node at Full Load 12 V VIN 1 2 V VOUT 6 A Skip Mode fSW 600 kHz www ti com Performance Data and Typical Characteristic Curves SLUU819A DECEMBER 2011 REVISED DECEMBER 2021 Submit Document Feed...

Page 14: ...as Start Up Waveform 12 V VIN 1 2 V VOUT 0 A IOUT 1 ms SS Performance Data and Typical Characteristic Curves www ti com 14 TPS53313 Step Down Converter Evaluation Module User s Guide SLUU819A DECEMBER...

Page 15: ...urrent Protection Waveform 12 V VIN 1 2 V VOUT IOUT increases from 6 A to 7 8 A www ti com Performance Data and Typical Characteristic Curves SLUU819A DECEMBER 2011 REVISED DECEMBER 2021 Submit Docume...

Page 16: ...0 kHz 8 11 Bode Plot Figure 8 15 Loop Gain 12 V VIN 1 2 V VOUT 6 A IOUT Skip Mode fSW 600 kHz Performance Data and Typical Characteristic Curves www ti com 16 TPS53313 Step Down Converter Evaluation M...

Page 17: ...Thermal Image 12 V VIN 1 2 V VOUT 6 A IOUT FCCM Mode fSW 1 00 MHz www ti com Performance Data and Typical Characteristic Curves SLUU819A DECEMBER 2011 REVISED DECEMBER 2021 Submit Document Feedback T...

Page 18: ...Layers 2 oz copper circuit board Figure 9 1 TPS53313EVM 078 Top Layer Assembly Drawing top view Figure 9 2 TPS53313EVM 078 Bottom Assembly Drawing bottom view EVM Assembly Drawing and PCB Layout www t...

Page 19: ...TPS53313EVM 078 Layer 2 top view www ti com EVM Assembly Drawing and PCB Layout SLUU819A DECEMBER 2011 REVISED DECEMBER 2021 Submit Document Feedback TPS53313 Step Down Converter Evaluation Module Use...

Page 20: ...3313EVM 078 Bottom Layer top view EVM Assembly Drawing and PCB Layout www ti com 20 TPS53313 Step Down Converter Evaluation Module User s Guide SLUU819A DECEMBER 2011 REVISED DECEMBER 2021 Submit Docu...

Page 21: ...2 J2 J5 Terminal block 2 pin 6 A 3 5mm 0 27 inch x 0 25 inch ED555 2DS OST 1 J3 Header 2 x 2 pin 100 mil spacing 0 20 inch x 0 20 inch PEC02DAAN Sullins 1 J4 Header male 2 x 6 pin 100 mil spacing 0 1...

Page 22: ...h 5011 Keystone 4 TP3 TP5 TP9 TP10 Test point red thru hole 0 125 inch x 0 125 inch 5010 Keystone 1 U1 6A Step down Regulator with Integrated Switcher QFN 24 TPS53313RGE TI 4 Shunt 100 mil black 0 100...

Page 23: ...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 24: ...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 25: ...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 26: ...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 27: ...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 28: ...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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