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4.2 Bill of Materials

Table 4-1

 presents the bill of materials for the TPS54232EVM-415.

Table 4-1. TPS54232EVM-415 Bill of Materials

Count

RefDes

Value

Description

Size

Part Number

MFR

1

C1

4.7 μF

Capacitor, Ceramic, 25 V, X5R, 10%

1206

GRM31CR61E106KA
12

muRata

0

C2

Open

Capacitor, Ceramic, 25 V, X5R, 10%

1206

GRM31CR61E106KA
12

muRata

1

C3

22 μF

Capacitor, Ceramic, 10 V, X7R, 10%

1210

Std

Std

1

C4

0.1 μF

Capacitor, Ceramic, 16 V, X7R, 10%

0603

Std

Std

1

C5

0.015 μF

Capacitor, Ceramic, 16 V, X7R, 10%

0603

Std

Std

1

C6

680 pF

Capacitor, Ceramic, 16 V, X7R, 10%

0603

Std

Std

1

C7

47 pF

Capacitor, Ceramic, 16 V, X7R, 10%

0603

Std

Std

0

C8

Open

Capacitor, Ceramic, 10 V, X5R, 10%

1210

Std

TDK

1

D1

B220A

Diode, Schottky, 2 A, 20 V

SMA

B220A

Diodes Inc

2

J1, J4

ED1514

Terminal Block, 2-pin, 6 A, 3.5 mm

0.27 × 0.25 
inch

ED1514

OST

2

J2, J3

PTC36SAAN Header, 2 pin, 100 mil spacing, (36-pin strip) 0.100 × 2

PTC36SAAN

Sullins

1

L1

3.3 μH

Inductor, SM Toroid, 3.72 A, 20 mΩ

0.287 × 0.287 
inch

MSS7341-332

Coilcraft

1

R1

150 kΩ

Resistor, Chip, 1/16W, 1%

0603

Std

Std

1

R2

48.7 kΩ

Resistor, Chip, 1/16W, 1%

0603

Std

Std

1

R3

17.4 kΩ

Resistor, Chip, 1/16W, 1%

0603

Std

Std

1

R4

0

Resistor, Chip, 1/16W, 1%

0603

Std

Std

1

R5

10.2 kΩ

Resistor, Chip, 1/16W, 1%

0603

Std

Std

1

R6

4.75 kΩ

Resistor, Chip, 1/16W, 1%

0603

Std

Std

0

R7

Open

Resistor, Chip, 1/16W, 1%

0603

Std

Std

3

TP1, 
TP3, 
TP5

5000

Test Point, Red, Thru Hole Color Keyed

0.100 × 0.100 
inch

5000

Keystone

3

TP2, 
TP4, 
TP6

5001

Test Point, Black, Thru Hole Color Keyed

0.100 × 0.100 
inch

5001

Keystone

1

U1

TPS54232D

IC, DC-DC Converter, 28 V, 2 A

SO-8

TPS54232D

TI

1

PCB, 2 inch × 2 inch × 0.062 inch

2.0" × 2.0" × 
0.062"

HPA415

Any

5 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Revision * (January 2009) to Revision A (October 2021)

Page

• Updated the numbering format for tables, figures, and cross-references throughout the document. ................

2

• Updated the user's guide title.............................................................................................................................

2

www.ti.com

Schematic and Bill of Materials

SLVU277A – JANUARY 2009 – REVISED OCTOBER 2021

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TPS54232 Step-Down Converter Evaluation Module User's Guide

13

Copyright © 2021 Texas Instruments Incorporated

Summary of Contents for TPS54232EVM-415

Page 1: ...n 6 Figure 2 5 TPS54232EVM 415 Transient Response 6 Figure 2 6 TPS54232EVM 415 Loop Response 7 Figure 2 7 TPS54232EVM 415 Output Ripple 7 Figure 2 8 TPS54232EVM 415 Input Ripple 8 Figure 2 9 TPS54232E...

Page 2: ...absolute maximum input voltage is 30 V for the TPS54232EVM 415 Table 1 1 Input Voltage and Output Current Summary EVM INPUT VOLTAGE RANGE OUTPUT CURRENT RANGE TPS54232EVM 415 VIN 5 V to 15 V 0 A to 2...

Page 3: ...ection describes how to properly connect set up and use the TPS54232EVM 415 evaluation module The section also includes test results typical for the evaluation module and covers efficiency output volt...

Page 4: ...y of this EVM peaks at a load current of about 0 5 A with VIN 5 V and then decreases as the load current increases towards full load Figure 2 1 shows the efficiency for the TPS54232EVM 415 at an ambie...

Page 5: ...Load Regulation The load regulation for the TPS54232EVM 415 is shown in Figure 2 3 0 1 0 08 0 06 0 04 0 02 0 0 02 0 04 0 06 0 08 0 1 0 0 2 0 4 0 6 0 8 1 1 2 1 4 1 6 1 8 2 I Output Current A O Output...

Page 6: ...M 415 response to load transients is shown in Figure 2 5 The current step is from 25 to 75 of maximum rated load at 15V input Total peak to peak voltage variation is as shown including ripple and nois...

Page 7: ...M Figure 2 6 TPS54232EVM 415 Loop Response 2 7 Output Voltage Ripple The TPS54232EVM 415 output voltage ripple is shown in Figure 2 7 The output current is the rated full load of 2 A and VIN 15 V The...

Page 8: ...ow start voltage In Figure 2 10 the input voltage is initially applied and the output is inhibited by using a jumper at J2 to tie EN to GND When the jumper is removed EN is released When the EN voltag...

Page 9: ...r than 100 mA typical the device enters Eco mode Figure 2 11 shows Eco mode operation channel 1 C1 shows the output voltage while channel 2 C2 shows the switching node PH Figure 2 11 TPS54232EVM 415 E...

Page 10: ...the board including ten vias directly under the TPS54232 device to provide a thermal path from the top side ground plane to the bottom side ground plane The input decoupling capacitor C1 C2 is not use...

Page 11: ...printed circuit board area for the components used in this design is 0 44 in2 This area does not include test point or connectors www ti com Board Layout SLVU277A JANUARY 2009 REVISED OCTOBER 2021 Su...

Page 12: ...ematic Figure 4 1 is the schematic for the TPS54232EVM 415 Figure 4 1 TPS54232EVM 415 Schematic Schematic and Bill of Materials www ti com 12 TPS54232 Step Down Converter Evaluation Module User s Guid...

Page 13: ...ft 1 R1 150 k Resistor Chip 1 16W 1 0603 Std Std 1 R2 48 7 k Resistor Chip 1 16W 1 0603 Std Std 1 R3 17 4 k Resistor Chip 1 16W 1 0603 Std Std 1 R4 0 Resistor Chip 1 16W 1 0603 Std Std 1 R5 10 2 k Res...

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: ...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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