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Texas Instruments TPS54332EVM-416, User Manual, Page: 12 / 21

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Texas Instruments TPS54332EVM-416 User Manual Download Page 12

Figure 3-2. TPS54332EVM-416 Bottom-Side Layout

Figure 3-3. TPS54332EVM-416 Top-Side Assembly

3.2 Estimated Circuit Area

The estimated printed circuit board area for the components used in this design is 0.68 in

2

. This area does not 

include test point or connectors.

Board Layout

www.ti.com

12

TPS54332 Step-Down Converter Evaluation Module User's Guide

SLVU276A – FEBRUARY 2009 – REVISED OCTOBER 2021

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Copyright © 2021 Texas Instruments Incorporated

Summary of Contents for TPS54332EVM-416

Page 1: ...7 Figure 2 5 TPS54332EVM 416 Transient Response 7 Figure 2 6 TPS54332EVM 416 Loop Response 8 Figure 2 7 TPS54332EVM 416 Output Ripple 8 Figure 2 8 TPS54332EVM 416 Input Ripple 9 Figure 2 9 TPS54332EV...

Page 2: ...30 V for the TPS54332EVM 416 Table 1 1 Input Voltage and Output Current Summary EVM INPUT VOLTAGE RANGE OUTPUT CURRENT RANGE TPS54332EVM 416 VIN 5 V to 15 V 0 A to 3 5 A 1 2 Performance Specification...

Page 3: ...VIN must be in a range so that the minimum on time is greater than 130 ns and the maximum duty cycle is less than 91 The values given in Table 1 3 are standard values not the exact value calculated us...

Page 4: ...y capable of supplying 3 A must be connected to J1 through a pair of 20 AWG wires The load must be connected to J4 through a pair of 20 AWG wires The maximum load current capability must be 3 5 A Wire...

Page 5: ...iciency of this EVM peaks at a load current of about 0 5 A and 5 V input then decreases as the load current increases towards full load Figure 2 1 shows the efficiency for the TPS54332EVM 416 at an am...

Page 6: ...3 Output Voltage Load Regulation The load regulation for the TPS54332EVM 416 is shown in Figure 2 3 0 1 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 0 5 1 1 5 2 2 5 3 3 5 I Output Current A O V 5 V I V...

Page 7: ...16 response to load transients is shown in Figure 2 5 The current step is from 0 75 A to 2 5 A at 12 V input Total peak to peak voltage variation is as shown including ripple and noise on the output t...

Page 8: ...6 TPS54332EVM 416 Loop Response 2 7 Output Voltage Ripple The TPS54332EVM 416 output voltage ripple is shown in Figure 2 7 The output current is the rated full load of 3 5 A and VIN 12 V The ripple v...

Page 9: ...416 Input Ripple 2 9 Powering Up The start up waveform is shown in Figure 2 9 the top trace shows VOUT and the bottom trace shows VIN The input voltage is 12 V and there is no load t Time 2 ms div 1...

Page 10: ...hows Eco mode operation channel 1 C1 shows the output voltage while channel 2 C2 shows the switching node PH t Time 2 ms div 5 V div 20 mV div VOUT PH Figure 2 10 TPS54332EVM 416 Eco mode Operation Te...

Page 11: ...ced around the board including ten vias directly under the TPS54332 device to provide a thermal path from the top side ground plane to the bottom side ground plane The input decoupling capacitor C2 an...

Page 12: ...printed circuit board area for the components used in this design is 0 68 in2 This area does not include test point or connectors Board Layout www ti com 12 TPS54332 Step Down Converter Evaluation Mod...

Page 13: ...materials 4 1 Schematic Figure 4 1 is the schematic for the TPS54332EVM 416 www ti com Schematic and Bill of Materials SLVU276A FEBRUARY 2009 REVISED OCTOBER 2021 Submit Document Feedback TPS54332 St...

Page 14: ...hematic Schematic and Bill of Materials www ti com 14 TPS54332 Step Down Converter Evaluation Module User s Guide SLVU276A FEBRUARY 2009 REVISED OCTOBER 2021 Submit Document Feedback Copyright 2021 Te...

Page 15: ...Std 1 R2 48 7 K Resistor Chip 1 16W 1 0603 Std Std 1 R3 75 0 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 Resistor Chip 1 16W 1 0603 Std Std 1 R6 4 75 k...

Page 16: ...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 17: ...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 18: ...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 19: ...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 20: ...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 21: ...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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