SLVUCU8 January   2024

 

  1.   1
  2.    TPS54KC23EVM 30-A, Regulator Evaluation Module
  3.   Trademarks
  4. 1Introduction
    1. 1.1 Background
    2. 1.2 Before You Begin
    3. 1.3 Performance Characteristics Summary
  5. 2Configurations and Modifications
    1. 2.1 Output Voltage
    2. 2.2 Frequency and Operation Mode Setting (MSEL Pin)
  6. 3Test Setup and Results
    1. 3.1 Input/Output Connections
    2. 3.2 Efficiency
    3. 3.3 Output Voltage Regulation
    4. 3.4 Load Transient and Loop Response
    5. 3.5 Output Voltage Ripple
    6. 3.6 Start-up and Shutdown with EN
    7. 3.7 Thermal Performance
  7. 4Board Layout
    1. 4.1 Layout
  8. 5Schematic and Bill of Materials
    1. 5.1 Schematic
    2. 5.2 Bill of Materials

5.2 Bill of Materials

Table 5-1 details the bill of materials for the TPS54KC23EVM.

Table 5-1 TPS54KC23EVM Bill of Materials
DESIGNATOR QTY VALUE DESCRIPTION PACKAGE REFERENCE PART NUMBER MANUFACTURER
!PCB1 1 Printed Circuit Board BSR225 Any
C1, C32 2 330µF Cap Aluminum Polymer 330uF 25V 20% Solder Cylindrical 19m Ohm 2325mA 2000 hr 125°C T/R SMT_CAP_8MM3_8MM3 A768KS337M1ELAE019 KEMET
C2, C3, C17, C18, C19, C33, C34, C35 8 10uF CAP, CERM, 10 µF, 25 V,+/- 10%, X7R, AEC-Q200 Grade 1, 1206 1206 CGA5L1X7R1E106K160AE TDK
C4, C5, C20, C36 4 1uF CAP, CERM, 1 µF, 25 V,+/- 20%, X5R, 0402 402 GRM155R61E105MA12D MuRata
C6, C7, C12, C22, C38, C48 6 0.1uF CAP, CERM, 0.1 uF, 35 V, +/- 10%, X5R, 0402 402 GMK105BJ104KV-F Taiyo Yuden
C8, C9, C10, C11, C24, C25, C26, C27, C28, C29, C40, C41, C42, C43, C44, C45 16 47uF CAP, CERM, 47 µF, 4 V,+/- 20%, X6S, 0805 805 GRM21BC80G476ME15L MuRata
C14, C50 2 1uF CAP, CERM, 1 uF, 16 V, +/- 10%, X6S, 0402 402 C1005X6S1C105K050BC TDK
C15 1 0.01uF CAP, CERM, 0.01 uF, 25 V, +/- 10%, X7R, 0402 402 GCM155R71E103KA37D MuRata
C52 1 0.068uF CAP, CERM, 0.068 uF, 10 V, +/- 10%, X7R, 0402 402 GRM155R71A683KA01D MuRata
FID1, FID2, FID3, FID4 4 Fiducial mark. There is nothing to buy or mount. N/A N/A N/A
H1, H2, H3, H4 4 Bumpon, Hemisphere, 0.44 X 0.20, Clear Transparent Bumpon SJ-5303 (CLEAR) 3M
J1, J2, J3, J4 4 Terminal Block, 60A, 10.16mm Pitch, 2-Pos, TH 21.8x30x19 mm 399100102 Molex
J5 1 Header, 100mil, 2x1, Gold, TH 2x1 Header TSW-102-07-G-S Samtec
J8 1 Header, 2.54 mm, 8x2, Tin, Vertical, TH Header, 2.54 mm, 8x2, TH PEC08DAAN Sullins Connector Solutions
J9 1 Card Edge Socket, 0.8mm, 10x2, SMT Card Edge Socket, 0.8mm, 10x2, SMT HSEC8-110-01-S-DV-A Samtec
J_PGND1, J_PGND2 2 1mm Uninsulated Shorting Plug, 10.16mm spacing, TH Shorting Plug, 10.16mm spacing, TH D3082-05 Harwin
L1 1 0.18uH 180 nH Shielded Molded Inductor 25.3 A 1.2mOhm Max Nonstandard SMT_IND_6MM51_6MM71 XGL6030-181MEC Coilcraft
L2 1 0.15uH 150 nH Shielded Drum Core, Wirewound Inductor 65 A 0.15mOhm Nonstandard SMT2_10MM2_8MM1 7443082015A Wurth Electronics
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
R1 1 453k RES, 453 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 402 CRCW0402453KFKED Vishay-Dale
R2, R12 2 4.99k RES, 4.99 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 402 CRCW04024K99FKED Vishay-Dale
R3, R13 2 10 RES, 10.0, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 402 CRCW040210R0FKED Vishay-Dale
R4, R14 2 10.0k RES, 10.0 k, 1%, 0.1 W, 0402 402 ERJ-2RKF1002X Panasonic
R5, R16 2 100k RES, 100 k, 1%, 0.1 W, 0402 402 ERJ-2RKF1003X Panasonic
R6, R15 2 8.25k RES, 8.25 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 402 CRCW04028K25FKED Vishay-Dale
R7, R17 2 4.32k RES, 4.32 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 402 CRCW04024K32FKED Vishay-Dale
R8 1 182k RES, 182 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 402 CRCW0402182KFKED Vishay-Dale
R10, R34 2 49.9 RES, 49.9, 1%, 0.1 W, 0603 603 RC0603FR-0749R9L Yageo
R11 1 200k RES, 200 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 402 CRCW0402200KFKED Vishay-Dale
R19 1 0 RES, 0, 5%, 0.1 W, AEC-Q200 Grade 0, 0603 603 CRCW06030000Z0EA Vishay-Dale
R20 1 4.99k RES, 4.99 k, 0.1%, 0.1 W, 0603 603 RT0603BRD074K99L Yageo America
R21 1 7.50k RES, 7.50 k, 1%, 0.1 W, 0603 603 ERJ-3EKF7501V Panasonic
R22 1 10.5k RES, 10.5 k, 0.1%, 0.1 W, 0603 603 RG1608P-1052-B-T5 Susumu Co Ltd
R23 1 56.2k RES, 56.2 k, 1%, 0.1 W, 0603 603 RC0603FR-0756K2L Yageo
R24 1 64.9k RES, 64.9 k, 1%, 0.1 W, 0603 603 RC0603FR-0764K9L Yageo
R25 1 75.0k RES, 75.0 k, 1%, 0.1 W, 0603 603 RC0603FR-0775KL Yageo
R26 1 86.6k RES, 86.6 k, 1%, 0.1 W, 0603 603 RC0603FR-0786K6L Yageo
R29 1 453 RES, 453, 1%, 0.1 W, 0603 603 RC0603FR-07453RL Yageo
R33 1 66.5k RES, 66.5 k, 1%, 0.1 W, 0603 603 RC0603FR-0766K5L Yageo
SH-J1, SH-J2 2 1x2 Shunt, 100mil, Gold plated, Black Shunt SNT-100-BK-G Samtec
TP1, TP2, TP3, TP5, TP6, TP7, TP8, TP12, TP13, TP14, TP15, TP16, TP18, TP19, TP20, TP21, TP22, TP23 18 Test Point, Multipurpose, Red, TH Red Multipurpose Test point 5010 Keystone
TP4, TP9, TP10, TP17, TP24, TP25 6 Test Point, Multipurpose, Black, TH Black Multipurpose Test point 5011 Keystone Electronics
TP11, TP28, TP29 3 Connector, Receptacle, 50 ohm, TH SMB Connector SMBR004D00 JAE Electronics
U1, U2 2 4-V to 16-V Input, 25-A, Remote Sense, D-CAP4 Synchronous Buck Converter WQFN-FCRLF16 TPS54KC23RZRR Texas Instruments
C13 0 0.01uF CAP, CERM, 0.01 uF, 16 V, +/- 10%, X5R, 0402 402 GRM155R61C103KA01D MuRata
C16, C53 0 560pF CAP, CERM, 560 pF, 100 V, +/- 10%, X7R, 0603 603 GRM188R72A561KA01D MuRata
C21, C37 0 1uF CAP, CERM, 1 µF, 25 V,+/- 20%, X5R, 0402 402 GRM155R61E105MA12D MuRata
C23, C39 0 0.1uF CAP, CERM, 0.1 uF, 35 V, +/- 10%, X5R, 0402 402 GMK105BJ104KV-F Taiyo Yuden
C30, C31, C46, C47 0 220µF Molded Tantalum Polymer Capacitor 220uF 20% 6.3V life 1000Hours SMD 2917 2917 6TCF220M5L Panasonic
C49 0 0.01uF CAP, CERM, 0.01 uF, 50 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0402 402 CGA2B3X7R1H103K050BB TDK
C51 0 15pF CAP, CERM, 15 pF, 50 V,+/- 5%, C0G/NP0, AEC-Q200 Grade 1, 0402 402 CGA2B2C0G1H150J050BA TDK
R9, R18 0 5.1 RES, 5.10, 1%, 0.5 W, 1210 1210 RC1210FR-075R1L Yageo