Texas Instruments TPS543C20AEVM-054 User Manual Download Page 20 | Manualshive

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EVM Assembly Drawing and PCB Layout

20

SLUUBZ2 – December 2018

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Copyright © 2018, Texas Instruments Incorporated

TPS543C20AEVM-054 40-A Single Phase Synchronous Step-Down
Converter

Figure 17. BSR054EVM Inner Layer 1 (Top View)

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Summary of Contents for TPS543C20AEVM-054

Page 1: ...ions 4 2 2 EVM Features 4 3 EVM Electrical Performance Specifications 4 4 Schematic 5 5 Test Equipment 6 6 BSR054EVM 7 7 List of Test Points Jumpers and Switch 8 8 Test Procedure 9 8 1 Line and Load Regulation Measurement Procedure 9 8 2 Efficiency 9 8 3 Equipment Shutdown 10 9 Performance Data and Typical Characteristic Curves 10 9 1 Efficiency 10 9 2 Power Loss 11 9 3 Load Regulation 12 9 4 Tran...

Page 2: ...yer Assembly Drawing Top View 17 15 BSR054EVM Top Solder Mask Top View 18 16 BSR054EVM Top Layer Top View 19 17 BSR054EVM Inner Layer 1 Top View 20 18 BSR054EVM Inner Layer 2 Top View 21 19 BSR054EVM Inner Layer 3 Top View 22 20 BSR054EVM Inner Layer 4 Top View 23 21 BSR054EVM Bottom Layer Top View 24 22 BSR054EVM Bottom Solder Mask Top View 25 23 BSR054EVM Bottom Overlay Layer Top View 26 List of...

Page 3: ...es applicable to your laboratory Caution Do not leave the EVM powered when unattended WARNING The circuit module has signal traces components and component leads on the bottom of the board This may result in exposed voltages hot surfaces or sharp edges Do not reach under the board during operation CAUTION The circuit module may be damaged by over temperature To avoid damage monitor the temperature...

Page 4: ...rails 2 2 EVM Features Regulated 0 9 V output up to 40 A steady state output current Convenient test points for probing critical waveforms 3 EVM Electrical Performance Specifications Table 1 BSR054EVM Electrical Performance Specifications Parameter Test Conditions Min Typ Max Units Input Characteristics Voltage range VIN tied to VDD 5 12 16 V Maximum input current VIN 12 V IO 40 A VOUT 0 9 V FSW 5...

Page 5: ...ematic 5 SLUUBZ2 December 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated TPS543C20AEVM 054 40 A Single Phase Synchronous Step Down Converter 4 Schematic Figure 1 BSR054EVM Schematic ...

Page 6: ...cilloscope is recommended for measuring output noise and ripple Output ripple must be measured using a tip and barrel method or better as shown in Figure 3 The scope must be adjusted to 20 MHz bandwidth AC coupling at 50 mV division and must be set to 1 µs division Fan During prolonged operation at high loads it may be necessary to provide forced air cooling with a small fan aimed at the EVM Tempe...

Page 7: ... 7 SLUUBZ2 December 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated TPS543C20AEVM 054 40 A Single Phase Synchronous Step Down Converter 6 BSR054EVM Figure 2 BSR054EVM Overview Spacer Figure 3 Tip and Barrel Measurement ...

Page 8: ...T H loop CH B Measure loop stability TP3 T H loop LocS Sense VOUT locally across C11 Use for efficiency and ripple measurements TP10 T H loop LocS Sense VOUT locally across C11 Use for efficiency and ripple measurements TP1 T H loop PVIN Sense VIN across C8 TP4 T H loop PGND Sense VIN across C8 TP6 T H loop VDD Supplies the internal circuitry TP9 T H loop BP LDO output TP14 T H loop PG Power good ...

Page 9: ... in regulation as defined in Table 1 9 Vary VIN from 5 V to 16 V VOUT must remain in regulation as defined in Table 1 10 Decrease the load to 0 A 11 Put the jumper back on JP3 to disable the converter 12 Decrease VIN to 0 V or turn off the supply 8 2 Efficiency To measure the efficiency of the power train on the EVM it is important to measure the voltages at the correct location This is necessary ...

Page 10: ...onous Step Down Converter 8 3 Equipment Shutdown 1 Reduce the load current to 0 A 2 Reduce input voltage to 0 V 3 Shut down the external fan if in use 4 Shut down equipment 9 Performance Data and Typical Characteristic Curves Figure 4 through Figure 13 present typical performance curves for the BSR054EVM SPACE 9 1 Efficiency Figure 4 Efficiency of 0 9 V Output vs Load ...

Page 11: ...acteristic Curves 11 SLUUBZ2 December 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated TPS543C20AEVM 054 40 A Single Phase Synchronous Step Down Converter 9 2 Power Loss Figure 5 Power Loss of 0 9 V Output vs Load ...

Page 12: ...ck Copyright 2018 Texas Instruments Incorporated TPS543C20AEVM 054 40 A Single Phase Synchronous Step Down Converter 9 3 Load Regulation Figure 6 Load Regulation of 0 9 V Output 9 4 Transient Response Figure 7 Transient Response of 0 9 V Output at 12 VIN Transient is 15 A to 25 A to 15 A the Step is 10 A at 40 A µs ...

Page 13: ...cumentation Feedback Copyright 2018 Texas Instruments Incorporated TPS543C20AEVM 054 40 A Single Phase Synchronous Step Down Converter 9 5 Output Ripple Figure 8 Output Ripple and SW Node of 0 9 V Output at 12 VIN 40 A Output Figure 9 Output Ripple and SW Node of 0 9 V Output at 12 VIN 0 A Output ...

Page 14: ...umentation Feedback Copyright 2018 Texas Instruments Incorporated TPS543C20AEVM 054 40 A Single Phase Synchronous Step Down Converter 9 6 Control On Figure 10 Start up from Control 0 9 V Output at 12 VIN 10 mA Output Figure 11 0 5 V Pre bias start up from Control 0 9 V Output at 12 VIN 20 A Output ...

Page 15: ...UUBZ2 December 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated TPS543C20AEVM 054 40 A Single Phase Synchronous Step Down Converter 9 7 Control On and Off Figure 12 Output Voltage Start up and Shutdown 0 9 V Output at 12 VIN 0 5 A Output ...

Page 16: ...16 SLUUBZ2 December 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated TPS543C20AEVM 054 40 A Single Phase Synchronous Step Down Converter 9 8 Thermal Image Figure 13 Thermal Image at 0 9 V Output at 12 VIN 40 A Output at 25 C Ambient ...

Page 17: ...ts Incorporated TPS543C20AEVM 054 40 A Single Phase Synchronous Step Down Converter 10 EVM Assembly Drawing and PCB Layout Figure 14 through Figure 21 show the design of the BSR054EVM printed circuit board PCB The BSR054EVM has a 2 oz copper finish for all layers Spacer Figure 14 BSR054EVM Top Layer Assembly Drawing Top View spacer ...

Page 18: ...Layout www ti com 18 SLUUBZ2 December 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated TPS543C20AEVM 054 40 A Single Phase Synchronous Step Down Converter Figure 15 BSR054EVM Top Solder Mask Top View ...

Page 19: ...g and PCB Layout 19 SLUUBZ2 December 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated TPS543C20AEVM 054 40 A Single Phase Synchronous Step Down Converter Figure 16 BSR054EVM Top Layer Top View spacer ...

Page 20: ... Layout www ti com 20 SLUUBZ2 December 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated TPS543C20AEVM 054 40 A Single Phase Synchronous Step Down Converter Figure 17 BSR054EVM Inner Layer 1 Top View ...

Page 21: ...and PCB Layout 21 SLUUBZ2 December 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated TPS543C20AEVM 054 40 A Single Phase Synchronous Step Down Converter Figure 18 BSR054EVM Inner Layer 2 Top View spacer ...

Page 22: ... Layout www ti com 22 SLUUBZ2 December 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated TPS543C20AEVM 054 40 A Single Phase Synchronous Step Down Converter Figure 19 BSR054EVM Inner Layer 3 Top View ...

Page 23: ...and PCB Layout 23 SLUUBZ2 December 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated TPS543C20AEVM 054 40 A Single Phase Synchronous Step Down Converter Figure 20 BSR054EVM Inner Layer 4 Top View spacer ...

Page 24: ... Layout www ti com 24 SLUUBZ2 December 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated TPS543C20AEVM 054 40 A Single Phase Synchronous Step Down Converter Figure 21 BSR054EVM Bottom Layer Top View ...

Page 25: ...d PCB Layout 25 SLUUBZ2 December 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated TPS543C20AEVM 054 40 A Single Phase Synchronous Step Down Converter Figure 22 BSR054EVM Bottom Solder Mask Top View spacer ...

Page 26: ...out www ti com 26 SLUUBZ2 December 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated TPS543C20AEVM 054 40 A Single Phase Synchronous Step Down Converter Figure 23 BSR054EVM Bottom Overlay Layer Top View ...

Page 27: ... CAP CERM 4 7 µF 16 V 10 X5R 0603 0603 GRM188R61C475KAAJ MuRata C23 1 0 1uF CAP CERM 0 1 µF 50 V 10 X7R 0603 0603 06035C104KAT2A AVX 885012206095 Wurth Elektronik C24 1 1000pF CAP CERM 1000 pF 50 V 10 C0G NP0 0603 0603 06035A102KAT2A AVX 885012006062 Wurth Elektronik C25 1 0 01uF CAP CERM 0 01 uF 50 V 5 X7R 0402 0402 C0402C103J5RACTU Kemet H9 H10 H11 H12 4 Bumpon Hemisphere 0 44 X 0 20 Clear Trans...

Page 28: ...estpoint 5001 Keystone TP23 TP24 2 SMT Test Point Miniature SMT Testpoint_Keystone_Miniat ure 5015 Keystone U1 1 40A FIXED FREQUENCY NON COMPENSATON STACKABLE SYNCHRONOUS BUCK CONVERTER RVF0040A LQFN CLIP 40 RVF0040A TPS543C20AEVM 054RVFT Texas Instruments Texas Instruments C6 0 22uF CAP CERM 22 µF 25 V 20 X5R 1206_190 1206_190 C3216X5R1E226M160AB TDK C10 C15 C16 0 100uF CAP CERM 100 µF 6 3 V 20 X...

Page 29: ...y set forth above or credit User s account for such EVM TI s liability under this warranty shall be limited to EVMs that are returned during the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasonable time to repair such EVM or provide replacements Repaired EVMs shall be warr...

Page 30: ...the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this list having a gain greater than the maximum gain indicated for that type are strictly prohibited for use with this device Concernant les EVMs avec antennes détachables Conformément à la réglementation d Industrie Canada le présent émetteur radio peut fo...

Page 31: ...ed loads Any loads applied outside of the specified output range may also result in unintended and or inaccurate operation and or possible permanent damage to the EVM and or interface electronics Please consult the EVM user guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation even ...

Page 32: ...COST OF REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF USE LOSS OF DATA OR BUSINESS INTERRUPTION NO CLAIM SUIT OR ACTION SHALL BE BROUGHT AGAINST TI MORE THAN TWELVE 12 MONTHS AFTER THE EVENT THAT GAVE RISE TO THE CAUSE OF ACTION HAS OCCURRED 8 2 Specif...

Page 33: ...se 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 reproduction and display of these resources is prohibited No license is granted to any other TI intellectual property right or to any third party intellectual property right TI disclaims responsibility for...

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