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Texas Instruments TPS53317AEVM-726 User Manual Download Page 7

12.0k

R7

10µF

C1

1µF

C7

22µF

C8

10µF

C13

10µF

C14

J1

TP5

330µF

C16

TP6

NET00006

TP15

250nH

L1

22µF

C9

22µF

C10

22µF

C11

22µF

C12

J2

PGND

1

PGND

2

PGND

3

VIN

4

VIN

5

GND

6

VREF

7

COMP

8

REFIN

9

VOUT

10

SW

11

SW

12

SW

13

SW

14

SW

15

BST

16

EN

17

MODE

18

PGOOD

19

V5IN

20

PAD

21

U1

TPS53317ARGBR

MODE

100k

R4

V5IN

0

R14

GND

AGND

J3

6

4

5

S1

V5IN

TP12

TP13

CHA

CHB

TP14

AGND

VIN

GND

J5

J7

AGND

REFIN

1µF

C3

7.87k

R3

AGND

VREF

1
2
3

J6

COMP

0

R16

DNP

1000pF

C25

DNP

AGND

GND

GND

GND

VOUT

SW

VOUT

0.6V / 6A

V5IN

VIN

1.1V - 1.3V

TP1

TP8

TP2

TP10

TP9

GND

EN

TP7

22.0k

R9

33.0k

R10

47.0k

R11

68.0k

R12

100k

R13

DIS

EN

TP3

TP4

GND

5V

AGND

10µF

C15

10µF

C2

0

R8

2.2µF

C23

0

R6

0.1µF

C5

10.0

R17

2200pF

C4

3.92k

R5

TP11

68pF

C6

23.2k

R1

10.0k

R2

0.01µF

C24

10.0k

R15

22µF

C17

22µF

C18

22µF

C19

22µF

C20

22µF

C21

22µF

C22

1

2

3

4

5

6

7

8

9

1

0

1

1

1

2

1

3

1

4

1

5

1

6

J4

MODE

GND

www.ti.com

Schematic

4

Schematic

Figure 1

illustrates the EVM schematic.

Figure 1. TPS53317AEVM-726 Schematic

7

SLUUBD2 – November 2015

TPS53317AEVM-726 D-CAP+™ Mode Synchronous Step-Down Integrated

FETs Converter

Submit Documentation Feedback

Copyright © 2015, Texas Instruments Incorporated

Summary of Contents for TPS53317AEVM-726

Page 1: ...Using the TPS53317AEVM 726 User s Guide Literature Number SLUUBD2 November 2015...

Page 2: ...nd Efficiency Measurement Procedure 11 7 2 Control Loop Gain and Phase Measurement Procedure 12 7 3 List of Test Points 12 7 4 Equipment Shutdown 12 8 Performance Data and Typical Characteristic Curve...

Page 3: ...0 6 V VOUT 3 A IOUT fSW 1 MHz 16 12 Turn On Waveform 1 2 V VIN 0 6 V VOUT 3 A IOUT 17 13 Turn Off Waveform 1 2 V VIN 0 6 V VOUT 3 A IOUT 17 14 Pre Bias Turn On Waveform 1 2 V VIN 0 6 V VOUT 0 A IOUT...

Page 4: ...Selection 10 3 Droop Configuration 10 4 External Tracking Configuration 11 5 Enable Selection 11 6 The Functions of Each Test Points 12 7 TPS53317AEVM 726 List of Materials 23 4 List of Tables SLUUBD...

Page 5: ...application while providing a number of test points to evaluate the performance of the TPS53317A 2 1 Typical Applications VTT terminators Low voltage applications for 0 9 V to 6 V step down rails 2 2...

Page 6: ...op Line regulation VIN 1 1 V 1 3 V IOUT 6 A 0 1 Output voltage regulation non droop fSW 600 kHz Load regulation VIN 1 2 V IOUT 0 A 6 A non 0 5 droop fSW 600 kHz Output voltage ripple VIN 1 2 V IOUT 6...

Page 7: ...GND GND VOUT SW VOUT 0 6V 6A V5IN VIN 1 1V 1 3V TP1 TP8 TP2 TP10 TP9 GND EN TP7 22 0k R9 33 0k R10 47 0k R11 68 0k R12 100k R13 DIS EN TP3 TP4 GND 5V AGND 10 F C15 10 F C2 0 R8 2 2 F C23 0 R6 0 1 F C5...

Page 8: ...components in this EVM may approach temperatures of 55 C during operation A small fan capable of 200 LFM to 400 LFM is recommended to reduce component temperatures while the EVM is operating The EVM s...

Page 9: ...nput current 3 Connect a voltmeter V1 at TP1 VIN and TP2 PGND to measure the input voltage 4 Prior to connecting the 5 V DC source V5IN it is advisable to limit the source current from V5IN to 1 A max...

Page 10: ...4 pin shorted Skip 3rd 3 22 1000 5 4 5 6 pin shorted 4th 4 33 1000 7 6 7 8 pin shorted 5th 5 47 600 7 6 9 10 pin shorted 6th 6 68 600 5 4 11 12 pin shorted PWM 7th 13 14 pin 7 100 1000 5 4 shorted 8th...

Page 11: ...Selection DIS Disable the controller EN Enable the controller 7 Test Procedure 7 1 Line Load Regulation and Efficiency Measurement Procedure 1 Set up EVM as described in Figure 3 2 Ensure Load is set...

Page 12: ...st points before making other measurements signal injection into feedback may interfere with accuracy of other measurements 7 3 List of Test Points Table 6 The Functions of Each Test Points Test Point...

Page 13: ...www ti com Performance Data and Typical Characteristic Curves 8 Performance Data and Typical Characteristic Curves Figure 4 through Figure 15 present typical performance curves for TPS53317AEVM 726 8...

Page 14: ...sient 1 2 V VIN 0 6 V VOUT PWM Mode fSW 600 kHz Figure 7 Output Load 0 A to 3 A Transient with Droop 1 2 V VIN 0 6 V VOUT PWM Mode fSW 600 kHz 14 TPS53317AEVM 726 D CAP Mode Synchronous Step Down Inte...

Page 15: ...put Ripple 1 2 V VIN 0 6 V VOUT 3 A IOUT fSW 600 kHz Figure 9 Output Ripple 1 2 V VIN 0 6 V VOUT 3 A IOUT fSW 1 MHz 15 SLUUBD2 November 2015 TPS53317AEVM 726 D CAP Mode Synchronous Step Down Integrate...

Page 16: ...ching Node 1 2 V VIN 0 6 V VOUT 3 A IOUT fSW 600 kHz Figure 11 Switching Node 1 2 V VIN 0 6 V VOUT 3 A IOUT fSW 1 MHz 16 TPS53317AEVM 726 D CAP Mode Synchronous Step Down Integrated SLUUBD2 November 2...

Page 17: ...igure 12 Turn On Waveform 1 2 V VIN 0 6 V VOUT 3 A IOUT Figure 13 Turn Off Waveform 1 2 V VIN 0 6 V VOUT 3 A IOUT 17 SLUUBD2 November 2015 TPS53317AEVM 726 D CAP Mode Synchronous Step Down Integrated...

Page 18: ...1 2 V VIN 0 6 V VOUT 0 A IOUT 0 3 V Pre Bias 8 8 Bode Plot Figure 15 Loop Gain 1 2 V VIN 0 6 V VOUT 3 A IOUT PWM Mode fSW 600 kHz Non Droop 18 TPS53317AEVM 726 D CAP Mode Synchronous Step Down Integr...

Page 19: ...Thermal Image Figure 16 Thermal Image 1 2 V VIN 0 6 V VOUT 6 A IOUT PWM Mode fSW 600 kHz 19 SLUUBD2 November 2015 TPS53317AEVM 726 D CAP Mode Synchronous Step Down Integrated FETs Converter Submit Doc...

Page 20: ...circuit board The EVM has been designed using 4 Layers 2 oz copper circuit board Figure 17 TPS53317AEVM 726 Top Layer Assembly Drawing Top View Figure 18 TPS53317AEVM 726 Bottom Assembly Drawing Botto...

Page 21: ...TPS53317AEVM 726 Top Copper Top View Figure 20 TPS53317AEVM 726 Layer 2 Top View 21 SLUUBD2 November 2015 TPS53317AEVM 726 D CAP Mode Synchronous Step Down Integrated FETs Converter Submit Documentati...

Page 22: ...PS53317AEVM 726 Layer 3 Top View Figure 22 TPS53317AEVM 726 Bottom Layer Top View 22 TPS53317AEVM 726 D CAP Mode Synchronous Step Down Integrated SLUUBD2 November 2015 FETs Converter Submit Documentat...

Page 23: ...2x1 Tin TH PEC02SAAN Sullins Connector Solutions 1 J6 Header 100mil 3x1 Tin TH PEC03SAAN Sullins Connector Solutions 1 L1 Inductor Shielded Ferrite 250 nH 19 2 A 0 0023 ohm SMD SPM6530T R25M230 TDK 1...

Page 24: ...anufactur er 1 U1 6 A Output D CAP Mode Synchronous Step Down Integrated FET Converter TPS53317ARGBR Texas for DDR Memory Termination Instruments 24 TPS53317AEVM 726 D CAP Mode Synchronous Step Down I...

Page 25: ...o handling the product This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI a...

Page 26: ...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 27: ...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 28: ...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 29: ...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 30: ...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...

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