SNVU753A November   2019  – May 2021 TPS542A52

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Before You Begin
  3. 2Description
    1. 2.1 Typical End-User Applications
    2. 2.2 EVM Features
    3. 2.3 TPS542A52EVM-059 PCB
  4. 3TPS542A52EVM-059 Bottom Circuit
    1. 3.1 Modifications
      1. 3.1.1 Output Voltage Setpoint
      2. 3.1.2 Enable and Undervoltage Lockout
      3. 3.1.3 External Clock Synchronization
      4. 3.1.4 Load Step with Function Generator
    2. 3.2 Bottom Circuit Schematic
    3. 3.3 Test Setup and Results
      1. 3.3.1  Input/Output Connections
      2. 3.3.2  Start Up Procedure
      3. 3.3.3  Electrical Performance Specifications and Results
      4. 3.3.4  Efficiency
      5. 3.3.5  Power Loss
      6. 3.3.6  Load Regulation
      7. 3.3.7  Transient Response
      8. 3.3.8  Loop Response
      9. 3.3.9  Output Voltage Ripple
      10. 3.3.10 Thermal Data
  5. 4TPS542A52EVM-059 Top Circuit (Small Layout Area Design)
    1. 4.1 Modifications
      1. 4.1.1 Output Voltage Setpoint
      2. 4.1.2 Enable and Undervoltage Lockout
      3. 4.1.3 External Clock Synchronization
      4. 4.1.4 Load Step with Function Generator
    2. 4.2 TPS542A52EVM-059 Top Circuit (Small Layout Area) Schematic
    3. 4.3 Test Setup and Results
      1. 4.3.1  Input/Output Connections
      2. 4.3.2  Start Up Procedure
      3. 4.3.3  Electrical Performance Specifications and Results
      4. 4.3.4  Efficiency
      5. 4.3.5  Power Loss
      6. 4.3.6  Load Regulation
      7. 4.3.7  Line Regulation
      8. 4.3.8  Transient Response
      9. 4.3.9  Loop Response
      10. 4.3.10 Output Voltage Ripple
      11. 4.3.11 Start Up
  6. 5TPS542A52EVM-059 PCB Layout
  7. 6List of Materials
  8. 7Revision History

6 List of Materials

The EVM components list, according to the schematic, is shown in Table 6-1.

Table 6-1 TPS542A52EVM-059 List of Materials
DESIGNATOR QUANTITY VALUE DESCRIPTION PACKAGE REFERENCE PART NUMBER MANUFACTURER
!PCB1 1 Printed Circuit Board BSR059 Any
C1, C11_2 0 DNP, 220 μF CAP, Tantalum Polymer, 220 μF, 6.3 V, ±20%, 0.035 Ω, 3.5x1.9x2.8mm SMD 3.5x1.9x2.8mm 6TPE220MAZB Panasonic
C1_2, C33 0 220 pF CAP, CERM, 220 pF, 50 V, ±10%, X7R, 0603 0603 C0603X221K5RACTU Kemet
C2, C3, C4 3 220 μF CAP, Tantalum Polymer, 220 μF, 6.3 V, ±20%, 0.035 Ω, 3.5x1.9x2.8mm SMD 3.5x1.9x2.8mm 6TPE220MAZB Panasonic
C2_2, C22 2 0.1 μF CAP, CERM, 0.1 μF, 25 V, ±10%, X7R, 0402 0402 GRM155R71E104KE14D MuRata
C3_2, C11 2 0.47 μF CAP, CERM, 0.47 μF, 25 V, ±10%, X5R, 0402 0402 GRM155R61E474KE01D MuRata
C4_2, C12 2 330 μF CAP, AL, 330 μF, 25 V, ±20%, 0.15 Ω, SMD SMT Radial G EEE-FC1E331P Panasonic
C5, C6, C7, C8 4 100 μF CAP, CERM, 100 μF, 4 V, ±20%, X6T, 1206 1206 GRM31CD80G107ME39L MuRata
C5_2, C7_2 2 10 μF CAP, CERM, 10 µF, 25 V, ±10%, X6S, 0805 0805 GRM21BC81E106KE51L MuRata
C6_2, C12_2 0 10 μF CAP, CERM, 10 µF, 25 V, ±10%, X6S, 0805 0805 GRM21BC81E106KE51L MuRata
C8_2, C9, C20, C25, C26 5 0.1 μF CAP, CERM, 0.1 μF, 25 V, ±20%, X7R, 0402 0402 TMK105B7104MV-FR Taiyo Yuden
C9_2, C10_2, C19 3 CAP CER 1µF 25 V X6S 0402 0402 GRM155C81E105KE11D Murata
C10 0 0.1 μF CAP, CERM, 0.1 μF, 25 V, ±20%, X7R, 0402 0402 TMK105B7104MV-FR Taiyo Yuden
C13, C18, C21 3 4.7 μF CAP, CERM, 4.7 μF, 25 V, ±10%, X6S, 0603 0603 GRM188C81E475KE11D MuRata
C13_2, C14_2, C15_2, C16_2 4 100 μF CAP, CERM, 100 µF, 4 V, ±20%, X6S, 0805 0805 GRM21BC80G107ME15L MuRata
C14, C15 2 22 µF CAP, CERM, 22 µF, 25 V, ±20%, X6S, 1206_190 1206_190 GRM31CC81E226ME11L MuRata
C16, C17 0 22 µF CAP, CERM, 22 µF, 25 V, ±20%, X6S, 1206_190 1206_190 GRM31CC81E226ME11L MuRata
C17_2, C18_2 0 100 µF CAP, CERM, 100 µF, 4 V,±20%, X6S, 0805 0805 GRM21BC80G107ME15L MuRata
C19_2, C23 2 4.7 µF CAP, CERM, 4.7 µF, 16 V, ±10%, X5R, 0603 0603 GRM188R61C475KAAJ MuRata
C20_2, C21_2 2 0.01µF CAP, CERM, 0.01 µF, 50 V, ±5%, X7R, 0402 0402 C0402C103J5RACTU Kemet
C22_2, C42 0 1000 pF CAP, CERM, 1000 pF, 50 V, ±10%, X7R, 0402 0402 GRM155R71H102KA01D MuRata
C27, C28, C29, C31 0 47 µF CAP, CERM, 47 µF, 6.3 V, ±20%, X5R, AEC-Q200 Grade 3, 0805 0805 GRT21BR60J476ME13L MuRata
C30 1 47 µF CAP, CERM, 47 µF, 6.3 V, ±20%, X5R, AEC-Q200 Grade 3, 0805 0805 GRT21BR60J476ME13L MuRata
C35, C36 2 0.01 µF CAP, CERM, 0.01 µF, 50 V, ±10%, X7R, AEC-Q200 Grade 1, 0603 0603 GCM188R71H103KA37D MuRata
C37 1 1 µF CAP, CERM, 1 µF, 16 V, ±10%, X7R, 0603 0603 EMK107B7105KA-T Taiyo Yuden
H1, H2, H3, H4, H9, H11 6 Machine Screw, Round, #4-40 x 1/4, Nylon, Philips panhead Screw NY PMS 440 0025 PH B&F Fastener Supply
H5, H6, H7, H8, H10, H12 6 Standoff, Hex, 0.5"L #4-40 Nylon Standoff 1902C Keystone
J1, J1_2 2 Terminal Block, 5.08 mm, 2x1, Brass, TH 2x1 5.08 mm Terminal Block ED120/2DS On-Shore Technology
J2, J2_2 2 Terminal Block, 5.08 mm, 4x1, Brass, TH 4x1 5.08 mm Terminal Block ED120/4DS On-Shore Technology
J3, J3_2, J4, J4_2, J5 5 Header, 100mil, 3x1, Tin, TH Header, 3 PIN, 100mil, Tin PEC03SAAN Sullins Connector Solutions
J6 1 Header(Shrouded), 2.54 mm, 5x2, Gold, TH Header, 2.54mm, 5x2, TH AWHW-10G-0202-T Assman WSW
L1 1 330 nH Inductor, Shielded Drum Core, Ferrite, 330 nH, 27 A, 0.00037 Ω, SMD 10.1x6.8x7mm 744308033 Wurth Elektronik
L1_2 1 220 nH Inductor, Shielded Drum Core, Ferrite, 220 nH, 29 A, 0.00033 Ω, SMD 7.4x7x7.2mm 744307022 Wurth Elektronik
LBL1 1 Thermal Transfer Printable Labels, 0.650" W x 0.200" H - 10,000 per roll PCB Label 0.650 x 0.200 inch THT-14-423-10 Brady
Q1, Q1_2 2 30 V MOSFET, N-CH, 30 V, 65 A, DQJ0008A (VSONP-8) DQJ0008A CSD17527Q5A Texas Instruments
R1, R3, R3_2 3 10.0 RES, 10.0, 1%, 0.1 W, 0603 0603 RC0603FR-0710RL Yageo America
R1_2, R4 0 1.0 RES, 1.0, 5%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW06031R00JNEA Vishay-Dale
R2, R4_2, R16, R17 4 10.0 k RES, 10.0 k, 1%, 0.1 W, 0603 0603 RCG060310K0FKEA Vishay Draloric
R2_2 1 10.0 RES, 10.0, 1%, 0.063 W, 0402 0402 RK73H1ETTP10R0F KOA Speer
R5 1 100 k RES, 100 k, 1%, 0.1 W, 0603 0603 RC0603FR-07100KL Yageo America
R5_2 1 100 k RES, 100 k, 1%, 0.0625 W, 0402 0402 RC0402FR-07100KL Yageo America
R6 1 20.0 k RES, 20.0 k, 1%, 0.1 W, 0603 0603 RC0603FR-0720KL Yageo America
R6_2, R7_2, R8_2 2 44.2 k RES, 44.2 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW040244K2FKED Vishay-Dale
R7, R8 2 61.9 k RES, 61.9 k, 1%, 0.1 W, 0603 0603 RC0603FR-0761K9L Yageo
R9 1 16.2 k RES, 16.2 k, 1%, 0.1 W, 0603 0603 RC0603FR-0716K2L Yageo America
R9_2 1 23.7 k RES, 23.7 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW040223K7FKED Vishay-Dale
R10 1 33.2 k RES, 33.2 k, 1%, 0.1 W, 0603 0603 RC0603FR-0733K2L Yageo America
R10_2 1 20.0 k RES, 20.0 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW040220K0FKED Vishay-Dale
R11, R12_2, R13, R15_2 0 10.0 k RES, 10.0 k, 1%, 0.1 W, 0603 0603 RCG060310K0FKEA Vishay Draloric
R11_2, R12 2 49.9 RES, 49.9, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW040249R9FKED Vishay-Dale
R13_2, R14, R14_2, R15 4 0.02 RES, 0.02, 1%, 3 W, 2512 2512 CRA2512-FZ-R020ELF Bourns
SH-J1, SH-J2, SH-J3, SH-J4, SH-J5 5 Shunt, 100mil, Gold plated, Black Shunt 2 pos. 100 mil 881545-2 TE Connectivity
TP1, TP1_2, TP3, TP3_2, TP4, TP4_2, TP6, TP6_2, TP19, TP20_2 10 Test Point, Multipurpose, Red, TH Red Multipurpose Testpoint 5010 Keystone
TP2, TP2_2, TP7, TP7_2, TP13, TP14, TP15, TP15_2, TP16_2, TP17, TP17_2, TP18, TP18_2, TP19_2, TP20, TP21_2 16 Test Point, Multipurpose, Black, TH Black Multipurpose Testpoint 5011 Keystone
TP5, TP5_2, TP8, TP8_2, TP9, TP9_2, TP10, TP10_2, TP11, TP11_2, TP12, TP12_2, TP13_2, TP14_2 14 Test Point, Multipurpose, White, TH White Multipurpose Testpoint 5012 Keystone
U1, U1_2 2 4-V to 18-V Input, 15-A, Synchronous Buck Converter with Differential Remote Sense, RJM0033A (VQFN-HR-33) RJM0033A TPS542A52RJM Texas Instruments