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Hottest point is below the CSD87350Q5D

Figure 7-17. TPS53819AEVM-123 Bottom Board, 12 V

IN

, 25-A Fan

Performance Data and Typical Characteristic Curves

SLVU719B – MAY 2012 – REVISED NOVEMBER 2021

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TPS53819A Buck Controller Evaluation Module User's Guide

21

Copyright © 2021 Texas Instruments Incorporated

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Summary of Contents for TPS53819A

Page 1: ...tware 5 4 2 Test Equipment 5 4 3 Recommended Test Setup 6 4 4 List of Test Points 7 4 5 Jumper Configuration Enable Selection 8 5 EVM Configuration Using the Fusion GUI 8 5 1 Configuration Procedure 8...

Page 2: ...ard 12 VIN 25 A Fan 20 Figure 7 17 TPS53819AEVM 123 Bottom Board 12 VIN 25 A Fan 21 Figure 8 1 TPS53819AEVM 123 Top Layer Assembly Drawing Top View 22 Figure 8 2 TPS53819AEVM 123 Bottom Layer Assembly...

Page 3: ...put current VIN 8 V IOUT 25 A 4 3 A No load input current VIN 14 V IOUT 0 A with auto skip mode 1 mA OUTPUT CHARACTERISTICS Output voltage VOUT 1 2 V Output load current IOUT 0 25 A Output voltage reg...

Page 4: ...6 1 2 3 4 J3 1 2 3 4 J1 C7 0 1uF R2 100k R6 4 7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 U1 Lm LM27403 R10 39 2k C10 100uF L1 0 440uH C2 22uF C5 0 1uF Q1 CSD87350Q5D TP1 TP4 TP5 R8 0 TP8 TP7 TP9 TP3...

Page 5: ...ble of supplying 30 ADC Connect VIN to J4 as shown in Figure 4 2 Multimeters V1 VIN at TP1 VIN to TP4 PGND V2 VOUT at TP7 VOUT to TP9 PGND A1 VIN input current Output Load The output load should be an...

Page 6: ...ed wire size is 1 AWG 14 per input connection with the total length of wire less than four feet two feet input two feet return J3 to LOAD The minimum recommended wire size is 2 AWG 14 with the total l...

Page 7: ...and TP9 to measure the output voltage 4 3 3 Other Connections 1 When using a fan ensure air is flowing across the EVM 2 Connect the ribbon cable from the USB interface adapter to J4 4 4 List of Test...

Page 8: ...ng options The software will recognize the TPS53819A device on the EVM and load the GUI 4 Configure the EVM operating parameters as needed CAUTION Some parameters can be configured such as switching f...

Page 9: ...e General Tab www ti com EVM Configuration Using the Fusion GUI SLVU719B MAY 2012 REVISED NOVEMBER 2021 Submit Document Feedback TPS53819A Buck Controller Evaluation Module User s Guide 9 Copyright 20...

Page 10: ...All Config Tab EVM Configuration Using the Fusion GUI www ti com 10 TPS53819A Buck Controller Evaluation Module User s Guide SLVU719B MAY 2012 REVISED NOVEMBER 2021 Submit Document Feedback Copyright...

Page 11: ...tatus www ti com EVM Configuration Using the Fusion GUI SLVU719B MAY 2012 REVISED NOVEMBER 2021 Submit Document Feedback TPS53819A Buck Controller Evaluation Module User s Guide 11 Copyright 2021 Texa...

Page 12: ...for loop response analysis 1 Replace R16 with a 10 resistor 2 Set up EVM as described in Section 4 and Figure 4 3 3 Connect isolation transformer to test points marked TP13 and TP11 4 Connect input s...

Page 13: ...12VIN FCCM 14VIN FCCM G000 Figure 7 1 TPS53819AEVM 123 Efficiency 7 2 Load Regulation 1 2 1 201 1 202 1 203 1 204 1 205 0 5 10 15 20 25 Output Current A Output Voltage Deviation DCM FCCM VIN 12V G000...

Page 14: ...d 1 10 100 1000 10000 100000 1000000 0 01 0 1 1 10 100 Input Voltage V Switching Frequency Hz 12VIN DCM 12VIN FCCM G000 Figure 7 4 TPS53819AEVM 123 fSW Versus Load Performance Data and Typical Charact...

Page 15: ...123 Loop Response Gain and Phase 7 6 Transient Response IOUT VOUT AC Figure 7 6 TPS53819AEVM 123 Load Transient 12 VIN 0 A to 15 A Eco mode www ti com Performance Data and Typical Characteristic Curve...

Page 16: ...AC VOUT AC SW Figure 7 8 TPS53819AEVM 123 Output Ripple 12 VIN 25 A Performance Data and Typical Characteristic Curves www ti com 16 TPS53819A Buck Controller Evaluation Module User s Guide SLVU719B...

Page 17: ...re 7 10 TPS53819AEVM 123 Switching Node 12 VIN 25 A Load Full Bandwidth www ti com Performance Data and Typical Characteristic Curves SLVU719B MAY 2012 REVISED NOVEMBER 2021 Submit Document Feedback T...

Page 18: ...REG VOUT PG Figure 7 12 TPS53819AEVM 123 VIN Turn On Waveform 12 VIN 1 Load Performance Data and Typical Characteristic Curves www ti com 18 TPS53819A Buck Controller Evaluation Module User s Guide SL...

Page 19: ...VREG VOUT PG Figure 7 14 TPS53819AEVM 123 VIN Turn off Waveform 12 VIN 1 Load www ti com Performance Data and Typical Characteristic Curves SLVU719B MAY 2012 REVISED NOVEMBER 2021 Submit Document Feed...

Page 20: ...ermal Images Hottest point is the CSD87350Q5D Figure 7 16 TPS53819AEVM 123 Top Board 12 VIN 25 A Fan Performance Data and Typical Characteristic Curves www ti com 20 TPS53819A Buck Controller Evaluati...

Page 21: ...23 Bottom Board 12 VIN 25 A Fan www ti com Performance Data and Typical Characteristic Curves SLVU719B MAY 2012 REVISED NOVEMBER 2021 Submit Document Feedback TPS53819A Buck Controller Evaluation Modu...

Page 22: ...2 oz copper circuit board Figure 8 1 TPS53819AEVM 123 Top Layer Assembly Drawing Top View Figure 8 2 TPS53819AEVM 123 Bottom Layer Assembly Drawing Bottom View EVM Assembly Drawing and PCB layout www...

Page 23: ...PS53819AEVM 123 Internal Layer 1 Top View www ti com EVM Assembly Drawing and PCB layout SLVU719B MAY 2012 REVISED NOVEMBER 2021 Submit Document Feedback TPS53819A Buck Controller Evaluation Module Us...

Page 24: ...6 TPS53819AEVM 123 Internal Layer 4 Top View EVM Assembly Drawing and PCB layout www ti com 24 TPS53819A Buck Controller Evaluation Module User s Guide SLVU719B MAY 2012 REVISED NOVEMBER 2021 Submit D...

Page 25: ...8 8 TPS53819AEVM 123 Bottom Copper Top View www ti com EVM Assembly Drawing and PCB layout SLVU719B MAY 2012 REVISED NOVEMBER 2021 Submit Document Feedback TPS53819A Buck Controller Evaluation Module...

Page 26: ...Chip 1 00 k 1 16W 1 Std Std 2 R6 Resistor Chip 4 7 1 16W 1 Std Std 1 R9 Resistor Chip 3 1 4W 1 Std Std 0 R7 R13 Resistor Chip 1 16W 1 Std Std 1 R10 Resistor Chip 39 2 k 1 16W 1 Std Std 5 R5 R8 R11 R12...

Page 27: ...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 28: ...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 29: ...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 30: ...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 31: ...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 32: ...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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