background image

4 Schematic

OPEN= ENABLE

1.00MHz>

600kHz>

1

VOUT

GND

4.5A

OC>

SKIP

3ms SS>

FCCM 3ms SS>

VIN

GND

6A

OC>

FCCM 1mS SS>

SKIP

6ms SS>

SKIP

1ms SS>

9A

OC>

MODE/SS SELECTION

FCCM 6ms SS>

(External Clock)

FREQUENCY

SELECTION

1

Not Populated

1

GND

GND

VIN

SW

PG

EN

GND

SYNC

GND

CHA

CHB

INJECTION & MEASURING

CONTROL

LOOP

Notes:

8V - 14V

1.2V/6A

GND

GND

OCP

SELECTION

C19

R3

80.6k

R6

45.3k

R4

300

R5

10.0k

R8

10.0k

R14

0

C13

22uF

TP3

TP6

C10

22uF

C1

1

22uF

1

2

3

4

5

6

7

8

9

10

1

1

12

J4

R7

5.60k

R18

0

TP9

C15

0.1uF

C1

1.0uF

1

2

J2

C17

2.2nF

R12

82.0k

R13

160k

R15

R9

10.0k

R10

20.0k

R1

1

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

PGND

10

PGND

1

1

PGND

12

PGND

13

SW

14

SW

15

SW

16

SW

17

VB

ST

18

BP

7

19

BP3

20

AGND

21

RT/SYNC

22

MODE/SS

23

COMP

24

FB

25

PWPD

U1

TPS53313RGE

TP13

C4

22uF

C3

22uF

R17

1.00

C18

1.0nF

TP14

TP2

R1

22.0k

TP1

TP4

C8

1.0uF

C9

1.0uF

C7

10nF

TP12

TP1

1

TP7

L1

1.0uH

1

2

3

4

5

6

J6

VOUT

GND

GND

Figure 4-1. TPS53313EVM-078 Schematic

Schematic

www.ti.com

4

TPS53313 Step-Down Converter Evaluation Module User's Guide

SLUU819A – DECEMBER 2011 – REVISED DECEMBER 2021

Submit Document Feedback

Copyright © 2021 Texas Instruments Incorporated

Содержание TPS53313EVM-078

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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