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SLUUC03 – February 2019

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Copyright © 2019, Texas Instruments Incorporated

TPS566235EVM-036 evaluation module

User's Guide

SLUUC03 – February 2019

TPS566235EVM-036 evaluation module

This user’s guide contains the information for TPS566235EVM-036 evaluation module as well as
TPS566235 DC/DC converter. Also included are the specification, schematic, printed-circuit board (PCB)
layout, hardware setup, and list of materials.

Contents

1

Introduction

...................................................................................................................

2

2

Specification Summary

......................................................................................................

2

3

Modifications

..................................................................................................................

2

3.1

Output Voltage Setpoint

............................................................................................

2

3.2

Mode Selection

......................................................................................................

3

4

Schematic and Board layout

...............................................................................................

3

4.1

Schematic

............................................................................................................

3

4.2

Board Layout

........................................................................................................

3

5

EVM Test Setup

..............................................................................................................

6

5.1

Connectors and Jumpers Description and Placement

.........................................................

6

5.2

Start-up Procedure

.................................................................................................

9

6

Test Waveforms

..............................................................................................................

9

6.1

Power up

.............................................................................................................

9

6.2

Power down

.........................................................................................................

9

6.3

Output Voltage Ripple

............................................................................................

10

6.4

Load Transient Response

........................................................................................

11

6.5

Thermal

.............................................................................................................

12

7

List of Materials and Reference

..........................................................................................

12

7.1

List of Materials

....................................................................................................

13

7.2

Reference

..........................................................................................................

13

List of Figures

1

TPS566235EVM-036 Evaluation Module Schematic

..................................................................

3

2

Component Placement (Top Layer)

......................................................................................

4

3

Board Layout (Top Layer)

..................................................................................................

4

4

Board Layout (Second Layer)

..............................................................................................

5

5

Board Layout (Third Layer)

.................................................................................................

5

6

Board Layout (Bottom Layer)

..............................................................................................

6

7

Connectors and Jumpers Placement (Top View)

.......................................................................

7

8

Connectors and Jumpers Placement (Bottom View)

....................................................................

8

9

Power up with 6 A loading controlled by EN pin

.........................................................................

9

10

Power Down with 6-A Loading Controlled by EN Pin

.................................................................

10

11

V

OUT

Ripple with 0-A Loading

.............................................................................................

10

12

V

OUT

Ripple with 6-A Loading

.............................................................................................

11

13

Load Transient Response from 0 A to 6 A with R6 = 0

Ω

and C13 = 100 pF

.....................................

11

14

Load Transient Response from 1.2 A to 4.8 A with R6 = 0

Ω

and C13 = 100 pF

.................................

12

15

Thermal Information at 6-A Full Loading

................................................................................

12

List of Tables

Summary of Contents for TPS566235EVM-036

Page 1: ...p Procedure 9 6 Test Waveforms 9 6 1 Power up 9 6 2 Power down 9 6 3 Output Voltage Ripple 10 6 4 Load Transient Response 11 6 5 Thermal 12 7 List of Materials and Reference 12 7 1 List of Materials 1...

Page 2: ...good indicator and full protections including UVLO OCP OVP UVP OTP The devices are available in 3 0 mm 2 0 mm HotRod package and the die operating temperature is specified from 40 C to 125 C TPS566235...

Page 3: ...e at light load The device reads the voltage on MODE pin during start up and latches onto one of the MODE options listed below in Table 2 Table 2 MODE Pin Resistor Setting VMODE RECOMMENDED MODE RESIS...

Page 4: ...yout www ti com 4 SLUUC03 February 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS566235EVM 036 evaluation module Figure 2 Component Placement Top Layer Figure 3 B...

Page 5: ...and Board layout 5 SLUUC03 February 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS566235EVM 036 evaluation module Figure 4 Board Layout Second Layer Figure 5 Boar...

Page 6: ...t connectors and test points as listed in Table 3 And Figure 7 and Figure 8 shows connectors and jumpers placement on TPS566235EVM 036 board A power supply capable of supplying greater than 5 A must b...

Page 7: ...ODE GND GND JP1 EN www ti com EVM Test Setup 7 SLUUC03 February 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS566235EVM 036 evaluation module Figure 7 Connectors...

Page 8: ...2 for operation mode selection JP1 Enable disable control Middle pin is IC s EN pin Floating EN or shunting to GND will disable IC Shunting EN to the other side will enable IC TP1 TP2 VIN test point...

Page 9: ...nnector 5 Check the VOUT Start up with VIN control enable signal 1 Select operation mode at J3 2 Connect JP1 1 pin to JP1 2 pin with jumper cap 3 Apply 4 5 V 18 V power supply to J1 4 Apply load to J2...

Page 10: ...Copyright 2019 Texas Instruments Incorporated TPS566235EVM 036 evaluation module Figure 10 Power Down with 6 A Loading Controlled by EN Pin 6 3 Output Voltage Ripple Figure 11 and Figure 12 show the V...

Page 11: ...Incorporated TPS566235EVM 036 evaluation module Figure 12 VOUT Ripple with 6 A Loading 6 4 Load Transient Response Figure 13 and Figure 14 show load transient response at 12 V input and 1 05 V output...

Page 12: ...ated TPS566235EVM 036 evaluation module Figure 14 Load Transient Response from 1 2 A to 4 8 A with R6 0 and C13 100 pF 6 5 Thermal Figure 15 shows the thermal information at 12 V input 1 05 V output 6...

Page 13: ...olutions L1 1 Inductor shielded drum core WE superflux200 1 uH 15 A 0 0046 SMD 744311100 Wurth Elektronik R1 R9 2 Resistor 0 5 0 1 W 0603 RC0603JR 070RL Yageo R2 1 Resistor 49 9 1 0 1 W 0603 CRCW06034...

Page 14: ...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 15: ...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 16: ...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 17: ...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 18: ...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 19: ...e resources are subject to 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 reprod...

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