SLUUCH6B september   2022  – september 2023 TPS543B22

 

  1.   1
  2.   Abstract
  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 Switching Frequency (FSEL Pin)
    3. 2.3 Current Limit, Soft-Start Time, and Internal Compensation (MODE Pin)
    4. 2.4 Adjustable UVLO
  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  Input Voltage Ripple
    7. 3.7  Synchronizing to a Clock
    8. 3.8  Start-up and Shutdown with EN
    9. 3.9  Start-up and Shutdown with VIN
    10. 3.10 Start-up Into Pre-Bias
    11. 3.11 Hiccup Current Limit
    12. 3.12 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
  9. 6Revision History

5.2 Bill of Materials

Table 5-1 presents the bill of materials for the TPS543B22EVM.

Table 5-1 TPS543B22EVM Bill of Materials
Designator Quantity Value Description Package Reference Part Number Manufacturer
!PCB1 1 Printed Circuit Board BSR178 Any
C1, C9, C11 3 220 µF 220 µF 35 V Aluminum - Polymer Capacitors Radial, Can - SMD 22mOhm 2000 Hrs @ 105°C SMT_ECAP_10MM3_10MM3 8.75076E+11 Wurth Electronics
C2, C13 2 100uF CAP, CERM, 100 µF, 25 V,+/- 20%, X7R, 6x5x5mm 6x5x5mm CKG57NX7R1E107M500JH TDK
C3, C10, C12, C34, C35, C40, C41 7 22uF CAP, CERM, 22 uF, 25 V, +/- 10%, X7R, 1210 1210 GRM32ER71E226KE15L MuRata
C4, C7 2 10uF CAP, CERM, 10 uF, 25 V, +/- 20%, X7S, 0805 805 GRM21BC71E106ME11L MuRata
C5, C8, C37, C39 4 1uF CAP, CERM, 1 uF, 35 V, +/- 10%, X5R, 0402 402 C1005X5R1V105K050BC TDK
C6, C19, C38, C50 4 0.1uF CAP, CERM, 0.1 uF, 50 V, +/- 10%, X7R, 0402 402 C1005X7R1H104K050BB TDK
C18, C49 2 2.2uF CAP, CERM, 2.2 uF, 10 V, +/- 10%, X5R, 0402 402 C1005X5R1A225K050BC TDK
C20, C21, C22, C23, C24, C25 6 100uF CAP, CERM, 100 uF, 6.3 V,+/- 20%, X5R, 1206 1206 C3216X5R0J107M160AB TDK
C26, C52 2 0.1uF CAP, CERM, 0.1 uF, 25 V, +/- 5%, X7R, 0603 603 C0603C104J3RACTU Kemet
C27 1 68 pF CAP, CERM, 68 pF, 50 V, +/- 5%, C0G/NP0, 0402 402 GRM1555C1H680JA01D MuRata
C36, C42 2 10uF CAP, CERM, 10 uF, 25 V, +/- 10%, X7S, 0805 805 GRM21BC71E106KE11L MuRata
C43, C44 2 100uF CAP, CERM, 100 uF, 10 V, +/- 20%, X5R, 1206_190 1206_190 C3216X5R1A107M160AC TDK
C51 1 47 pF CAP, CERM, 47 pF, 50 V, +/- 1%, C0G/NP0, 0402 402 GRM1555C1H470FA01D MuRata
FID1, FID2, FID3, FID4, FID5, FID6 6 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, J6, J14 4 Terminal Block, 5.08 mm, 4x1, Brass, TH 4x1 5.08 mm Terminal Block ED120/4DS On-Shore Technology
J3, J7, J9 3 Header, 2.54mm, 4x2, Gold, TH Header, 2.54mm, 4x2, TH TSW-104-08-L-D Samtec
J4, J5, J15, J16 4 Header, 2.54mm, 2x1, Gold, TH Header, 2.54mm, 2x1, TH TSW-102-08-G-S Samtec
J8, J10 2 Header, 100mil, 3x1, Gold, TH 3x1 Header TSW-103-07-G-S Samtec
L1 1 150nH Inductor, Shielded, Ferrite, 150 nH, 51 A, 0.00039 ohm, SMD 10.2x7mm SLR1050A-151KEC Coilcraft
L2 1 220nH Inductor, Shielded, Ferrite, 220 nH, 35 A, 0.0004 ohm, SMD 10.2x7mm SLR1050A-221KEB Coilcraft
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, Q2 2 30 V MOSFET, N-CH, 30 V, 25 A, DQJ0008A (VSONP-8) DQJ0008A CSD17579Q5A Texas Instruments
R1, R2, R53 3 0 RES, 0, 0%, 1 W, AEC-Q200 Grade 0, Body 6.3x3.2mm Body 6.3x3.2mm RMCF2512ZT0R00 Stackpole Electronics Inc
R3, R10 2 10 RES, 10.0, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 402 CRCW040210R0FKED Vishay-Dale
R4 1 10k RES, 10 k, 5%, 0.1 W, 0603 603 RC0603JR-0710KL Yageo
R5, R21, R64, R66 4 0 RES, 0, 5%, 0.063 W, AEC-Q200 Grade 0, 0402 402 CRCW04020000Z0ED Vishay-Dale
R6 1 0 RES, 0, 5%, 0.1 W, 0603 603 RC0603JR-070RL Yageo
R7, R20 2 10.0k RES, 10.0 k, 1%, 0.063 W, 0402 402 RC0402FR-0710KL Yageo America
R8, R9, R58 3 0 RES, 0, 5%, 0.063 W, 0402 402 RC0402JR-070RL Yageo America
R11, R65 2 100k RES, 100 k, 5%, 0.1 W, 0603 603 CRCW0603100KJNEAC Vishay-Dale
R12 1 16.9k RES, 16.9 k, 1%, 0.1 W, 0603 603 RC0603FR-0716K9L Yageo
R13 1 825 RES, 825, 1%, 0.1 W, 0603 603 RC0603FR-07825RL Yageo
R15 1 6.04k RES, 6.04 k, 1%, 0.1 W, 0603 603 RC0603FR-076K04L Yageo
R16 1 24.3k RES, 24.3 k, 1%, 0.1 W, 0603 603 RC0603FR-0724K3L Yageo
R17 1 9.09k RES, 9.09 k, 1%, 0.1 W, 0603 603 RC0603FR-079K09L Yageo
R18 1 5.49k RES, 5.49 k, 1%, 0.1 W, 0603 603 RC0603FR-075K49L Yageo
R19 1 1.37k RES, 1.37 k, 1%, 0.1 W, 0603 603 RC0603FR-071K37L Yageo
R22 1 17.4k RES, 17.4 k, 1%, 0.1 W, 0603 603 RC0603FR-0717K4L Yageo
R23 1 11.8k RES, 11.8 k, 1%, 0.1 W, 0603 603 RC0603FR-0711K8L Yageo
R24 1 8.06k RES, 8.06 k, 1%, 0.1 W, 0603 603 RC0603FR-078K06L Yageo
R25 1 4.99k RES, 4.99 k, 1%, 0.1 W, 0603 603 RC0603FR-074K99L Yageo
R26, R27 2 0 RES, 0, 5%, 1 W, AEC-Q200 Grade 0, 2512 2512 CRCW25120000Z0EG Vishay-Dale
R30 1 2.21k RES, 2.21 k, 1%, 0.1 W, 0603 603 RC0603FR-072K21L Yageo
R31 1 4.87k RES, 4.87 k, 1%, 0.1 W, 0603 603 RC0603FR-074K87L Yageo
R32 1 11.3k RES, 11.3 k, 1%, 0.1 W, 0603 603 RC0603FR-0711K3L Yageo
R33 1 60.4k RES, 60.4 k, 1%, 0.1 W, 0603 603 RC0603FR-0760K4L Yageo
R34 1 10.0k RES, 10.0 k, 1%, 0.1 W, 0603 603 ERJ-3EKF1002V Panasonic
R35 1 453 RES, 453, 1%, 0.1 W, 0603 603 RC0603FR-07453RL Yageo
R36, R37, R38, R39 4 0.1 RES, 0.1, 1%, 3 W, 2512 2512 CRA2512-FZ-R100ELF Bourns
R40 1 66.5k RES, 66.5 k, 1%, 0.1 W, 0603 603 RC0603FR-0766K5L Yageo
R41, R42, R52 3 49.9 RES, 49.9, 1%, 0.1 W, 0603 603 RC0603FR-0749R9L Yageo
R54, R59 2 10 RES, 10.0, 1%, 0.063 W, 0402 402 CRCW040210R0FKED Vishay-Dale
R55 1 16.9k RES, 16.9 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 402 CRCW040216K9FKED Vishay-Dale
R56 1 10k RES, 10 k, 5%, 0.1 W, AEC-Q200 Grade 0, 0402 402 ERJ-2GEJ103X Panasonic
R57 1 6.04k RES, 6.04 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 402 CRCW04026K04FKED Vishay-Dale
R60 1 4.99k RES, 4.99 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0402 402 ERJ-2RKF4991X Panasonic
R61 1 4.87k RES, 4.87 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 402 CRCW04024K87FKED Vishay-Dale
R62 1 4.99k RES, 4.99 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 402 CRCW04024K99FKED Vishay-Dale
R63 1 6.98k RES, 6.98 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 402 CRCW04026K98FKED Vishay-Dale
SH-J1, SH-J2, SH-J3, SH-J4, SH-J5, SH-J6, SH-J7, SH-J8, SH-J9 9 1x2 Shunt, 100mil, Gold plated, Black Shunt SNT-100-BK-G Samtec
TP1, TP2, TP19, TP30, TP31 5 Test Point, Multipurpose, Red, TH Red Multipurpose Testpoint 5010 Keystone
TP4, TP5, TP6, TP10, TP15, TP17, TP32, TP34, TP37, TP39 10 Test Point, Miniature, Red, TH Red Miniature Testpoint 5000 Keystone
TP7, TP12, TP14, TP38, TP41 5 Test Point, Miniature, White, TH White Miniature Testpoint 5002 Keystone
TP8, TP11, TP27, TP35, TP40 5 Test Point, Miniature, Black, TH Black Miniature Testpoint 5001 Keystone
TP9, TP13, TP16, TP20, TP33, TP36 6 Test Point, Multipurpose, Black, TH Black Multipurpose Testpoint 5011 Keystone
TP18 1 Test Point, Multipurpose, White, TH White Multipurpose Testpoint 5012 Keystone
TP21, TP24, TP25, TP26, TP29 5 Connector, Receptacle, 50 ohm, TH SMB Connector SMBR004D00 JAE Electronics
TP22, TP23 2 Test Point, Miniature, Yellow, TH Yellow Miniature Testpoint 5004 Keystone
U1, U2 2 Synchronous Buck Converter, 4-18V VIN, Adjustable, 0.5-7 V 20 A, VQFN-FCRLF14 VQFN-FCRLF17 TPS543B22RYS Texas Instruments
U3, U4 2 Single Bus Buffer Gate with 3-State Output, DCK0005A, LARGE T&R DCK0005A SN74AHC1G125DCKR Texas Instruments