background image

IN

IN-SNS

GND-SNS

OUT

GND

EN2

HI

LO

EN1

HI

LO

OUT-SNS

GND-SNS

VIN_OK

GND

GND

2.0V-5.5V, 400mA

1.3V-5.5V, 200mA

VIN

AGND

AGND

AGND

AGND

AGND

VIN

VIN

AGND

AGND

AGND

AGND

AGND

AGND

AGND

VIN_OK

VIN

IN

1

SW

2

VSS

3

NC

4

EN1

5

EN2

6

VRDIV

7

VIN_OK_SET

8

VOUT_SET

9

VIN_OK

10

OUT

11

VSS

12

SW

13

NC

14

PAD

U1

TPS62737RGY

1

2

J1

1

2

J2

1

2

J3

1

2

J4

1

2

J5

1

2

J6

1

2

J7

1

2

C4

1

2

10 uH

L1

22 uF

1

2

C2

1

2

0.1uF

C1

1

2

3

JP1

1

2

3

JP2

4.32M

R3

3.4M

R2

1

2

5.49M

R1

22uF

1

2

C3

VIN_OK

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Introduction

1.3

TPS62737EVM Schematic

Figure 1. TPS62737 EVM Board Schematic

3

SLVU939A – July 2013 – Revised August 2014

Evaluation Module for TPS62737 Ultra Low Power Buck Converter

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Copyright © 2013–2014, Texas Instruments Incorporated

Summary of Contents for TPS62737

Page 1: ...ry 4 3 Test Summary 4 3 1 Recommended Equipment 4 3 2 Equipment and EVM Setup 4 3 3 Tips when Measuring Efficiency 5 3 4 Tips for Taking Scope Plots 5 3 5 Test Results 6 4 PWR560 PCB Layout and Bill o...

Page 2: ...e signals allow the user to enable disable the regulated output or place IC into an ultra low quiescent sleep state Two separate enable signals allow the enabling or disabling of the regulated output...

Page 3: ...VSS 12 SW 13 NC 14 PAD U1 TPS62737RGY 1 2 J1 1 2 J2 1 2 J3 1 2 J4 1 2 J5 1 2 J6 1 2 J7 1 2 C4 1 2 10 uH L1 22 uF 1 2 C2 1 2 0 1uF C1 1 2 3 JP1 1 2 3 JP2 4 32M R3 3 4M R2 1 2 5 49M R1 22uF 1 2 C3 VIN_O...

Page 4: ...t or power or both current and power is also recommended when taking efficiency measurements Oscilloscope with up to four voltage probes 3 2 Equipment and EVM Setup Table 1 Setup I O Connections and C...

Page 5: ...as inserted in series with the inductor for taking the inductor current measurements 2 If measuring DC waveforms set the timebase as shown in the plot and connect the probes to the applicable headers...

Page 6: ...EVM Figure 3 Ship Mode Startup Behavior VIN 3 6V VOUT 1 8V Figure 4 Standby Mode Startup Behavior VIN 3 6V VOUT 1 8V 6 Evaluation Module for TPS62737 Ultra Low Power Buck Converter SLVU939A July 2013...

Page 7: ...3 6 V VOUT 1 8V Figure 6 Steady State Operation VIN 3 6V V OUT 1 8V ROUT 9 7 SLVU939A July 2013 Revised August 2014 Evaluation Module for TPS62737 Ultra Low Power Buck Converter Submit Documentation...

Page 8: ...t and Bill of Materials 4 1 REV A PCB Layout Figure 7 Top Layer Figure 8 Bottom Layer 8 Evaluation Module for TPS62737 Ultra Low Power Buck Converter SLVU939A July 2013 Revised August 2014 Submit Docu...

Page 9: ...Sullins L1 1 10 uH Inductor SMT 1 4A 216m 2 5mm x 2 0mm x 1 20mm DFE252012C 1239AS H 100M Toko Inductor SMT 500mA 500m 2 5mm x 2 0mm x 1 20mm 74479889310 Wurth Elektronik Inductor SMT 500mA 390m 2 8m...

Page 10: ...dling and use of EVMs and if applicable compliance in all respects with such laws and regulations 10 User has sole responsibility to ensure the safety of any activities to be conducted by it and its e...

Page 11: ...his equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Opera...

Page 12: ...age et ayant un gain admissible maximal et l imp dance requise pour chaque type d antenne Les types d antenne non inclus dans cette liste ou dont le gain est sup rieur au gain maximal indiqu sont stri...

Page 13: ...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...

Page 14: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments TPS62737EVM 560...

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