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Figure 8-5. Internal Layer 1.......................................................................................................................................................

Figure 8-6. Internal Layer 2.......................................................................................................................................................

List of Tables

Table 2-1. TPS53128EVM-620 Electrical and Performance Specifications.................................................................................

Table 4-1. TPS53128EVM-620 Test Points Description..............................................................................................................

Table 9-1. TPS53128EVM-620 Bill of Materials.........................................................................................................................

Trademarks

D-CAP2

™

is a trademark of Texas Instruments.

All trademarks are the property of their respective owners.

Trademarks

www.ti.com

TPS53128 Buck Controller Evaluation Module User's Guide

SLVU433A – FEBRUARY 2011 – REVISED JANUARY 2022

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Содержание TPS53128

Страница 1: ...mance Data and Typical Characteristic Curves 11 7 1 Efficiency 11 7 2 Line and Load Regulation 11 7 3 Output Voltage Ripple 12 7 4 Switch Node Waveforms 12 8 EVM Assembly Drawings and Layout 13 9 Bill...

Страница 2: ...Points Description 6 Table 9 1 TPS53128EVM 620 Bill of Materials 17 Trademarks D CAP2 is a trademark of Texas Instruments All trademarks are the property of their respective owners Trademarks www ti...

Страница 3: ...ts to assist a user in evaluating the performance of the TPS53128 controller in their application 1 2 Application Digital television Set top box DSL and cable modems Cost sensitive digital consumer pr...

Страница 4: ...OUT1 Output current 1 VIN 8 V to 22 V 0 4 A VOUT2 Output voltage 2 VIN 12 V IOUT2 2 A 1 80 V Line regulation VIN 8 V to 22 V 1 Load regulation IOUT2 0 A to 4 A 1 VOUT2_rip Output voltage ripple VIN 12...

Страница 5: ...specific values Figure 3 1 TPS53128EVM 620 Schematic www ti com Schematics SLVU433A FEBRUARY 2011 REVISED JANUARY 2022 Submit Document Feedback TPS53128 Buck Controller Evaluation Module User s Guide...

Страница 6: ...annel 2 Section 4 3 3 TP8 VOUT1 Monitor Output Voltage for Channel 1 Section 4 3 2 TP9 VIN Monitor Input Voltage Section 4 3 1 TP10 VREG5 Monitor Output of VREG5 Regulator Section 4 3 6 TP11 SW2 Monit...

Страница 7: ...voltages TP1 monitors the soft start ramp of Channel 1 TP2 monitors the soft start ramp of Channel 2 To use TP1 or TP2 connect an oscilloscope probe between TP1 or TP2 and TP3 4 3 5 Switching Node Mon...

Страница 8: ...ADC The minimum recommended wire size is AWG 16 with the total length of wire less than two feet 1 foot input 1 foot return J1 to LOAD1 and J2 to LOAD2 The connection between J1 and LOAD1 and J2 and L...

Страница 9: ...V1 Figure 5 1 TPS53128EVM 620 Recommended Test Setup www ti com Test Setup SLVU433A FEBRUARY 2011 REVISED JANUARY 2022 Submit Document Feedback TPS53128 Buck Controller Evaluation Module User s Guide...

Страница 10: ...ge output voltage and input current from V1 V2 V3 and A1 respectively 6 Shut down TPS53128EVM 620 per Section 6 4 6 3 Output Ripple Voltage Measurement Procedure 1 Set up the TPS53128EVM 620 per Secti...

Страница 11: ...Efficiency V 8 V I V 12 V I V 22 V I V 8 V 22 V V 1 8 V I 0 A 4 A I OUT2 OUT2 Figure 7 2 Efficiency vs Load 7 2 Line and Load Regulation 1 048 1 05 1 052 1 054 1 056 1 058 1 06 1 062 0 1 2 3 4 5 I Loa...

Страница 12: ...de Waveforms TPS53128EVM 620 Switch Node Test Condition Vin 12 V VO1 1 05 V 4 A Figure 7 7 Switching Waveform TPS53128EVM 620 Switch Node Test Condition Vin 12 V VO2 1 8 V 4 A Figure 7 8 Switching Wav...

Страница 13: ...probe and evaluate the TPS53128 control IC in a practical application Moving components to both sides of the PCB or using additional internal layers can offer additional size reduction for space const...

Страница 14: ...8 3 Top Layer EVM Assembly Drawings and Layout www ti com 14 TPS53128 Buck Controller Evaluation Module User s Guide SLVU433A FEBRUARY 2011 REVISED JANUARY 2022 Submit Document Feedback Copyright 202...

Страница 15: ...Internal Layer 1 www ti com EVM Assembly Drawings and Layout SLVU433A FEBRUARY 2011 REVISED JANUARY 2022 Submit Document Feedback TPS53128 Buck Controller Evaluation Module User s Guide 15 Copyright 2...

Страница 16: ...er 2 EVM Assembly Drawings and Layout www ti com 16 TPS53128 Buck Controller Evaluation Module User s Guide SLVU433A FEBRUARY 2011 REVISED JANUARY 2022 Submit Document Feedback Copyright 2022 Texas In...

Страница 17: ...R3N38 Murata 4 Q1 Q2 Q3 Q4 CSD17507Q5 A MOSFET N Chan 30 V 65 A 11 8 m QFN 8 POWER CSD17507Q5A TI 1 R1 1 27 k Resistor Chip 1 16W 1 0603 Std Std 4 R10 R4 R6 R8 10 0 k Resistor Chip 1 16W 1 0603 Std St...

Страница 18: ...ision A January 2022 Page Updated the numbering format for tables figures and cross references throughout the document 3 Updated the user s guide title 3 Revision History www ti com 18 TPS53128 Buck C...

Страница 19: ...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...

Страница 20: ...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...

Страница 21: ...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...

Страница 22: ...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...

Страница 23: ...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...

Страница 24: ...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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