SLVUCI4B february   2023  – may 2023 TPS7H5001-SP

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2System Design Theory
    1. 2.1  Switching Frequency
    2. 2.2  Leading Edge Blanking
    3. 2.3  Dead Time
    4. 2.4  Enable and UVLO
    5. 2.5  Output Voltage Programing
    6. 2.6  Soft Start
    7. 2.7  Sensing Circuit
    8. 2.8  FAULT Mode
    9. 2.9  HICCUP Mode
    10. 2.10 Slope Compensation
    11. 2.11 Output Capacitance
    12. 2.12 Compensation
  6. 3Test Results
  7. 4Bill of Materials
  8. 5Schematics
  9. 6PCB Layouts
  10. 7References
  11. 8Revision History

Bill of Materials

Table 4-1 Buck Converter Design BOM
Designator Quantity Value Description PartNumber Manufacturer Alternate PartNumber Alternate Manufacturer
!PCB1 1 Printed Circuit Board XXX### Any
C1, C10, C29, C31 4 1uF CAP, CERM, 1 µF, 16 V,+/- 10%, X7R, AEC-Q200 Grade 1, 0603 CGA3E1X7R1C105K080AC TDK
C2 1 10uF CAP, CERM, 10 uF, 50 V, +/- 10%, X7R, 1210 GRM32ER71H106KA12L MuRata
C3, C23, C24, C25, C26, C27, C28, C55, C56, C57 10 0.1uF CAP, CERM, 0.1 µF, 50 V,+/- 10%, X7R, AEC-Q200 Grade 1, 0603 C0603C104K5RACAUTO Kemet
C4 1 0.47uF CAP, CERM, 0.47 µF, 25 V,+/- 10%, X7R, 0603 C1608X7R1E474K080AE TDK
C5 1 0.1uF CAP, CERM, 0.1 uF, 25 V, +/- 5%, X7R, 0603 C0603C104J3RAC Kemet
C6 1 3300pF ±5% 100V Ceramic Capacitor X7R 0603 (1608 Metric) 06031C332J4Z2A AVX Corporation
C7 1 330pF CAP, CERM, 330 pF, 100 V, +/- 10%, X7R, 0603 GRM188R72A331KA01D MuRata
C8 1 0.056uF CAP, CERM, 0.056 uF, 16 V, +/- 5%, X7R, 0603 C0603C563J4RACTU Kemet
C9 1 CAP, 1uF, 25V, ±10%, X7R, 0603 CL10B105KA8NNNC Samsung
C11, C14, C52 3 0.1uF CAP, CERM, 0.1 uF, 50 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0805 CEU4J2X7R1H104K125AE TDK
C16, C17, C18, C19, C20, C21, C22 7 220uF CAP, TA, 220 µF, 16 V, +/- 10%, 0.025 ohm, SMD TPME227K016R0025 AVX
C30, C47, C48, C49, C50 5 10uF CAP, CERM, 10 uF, 25 V, +/- 10%, X7R, 0805 GRM21BZ71E106KE15L MuRata
C32, C33, C34, C35, C36, C37, C38, C39, C40, C41, C42, C43, C44, C45, C46 15 330uF CAP, Tantalum Polymer, 330 uF, 10 V, +/- 20%, 0.006 ohm, 7343-43 SMD T530X337M010ATE006 Kemet
C51 1 1uF CAP, CERM, 1 uF, 16 V, +/- 10%, X7R, 0805 C0805C105K4RACTU Kemet
C53 1 2.2uF CAP, CERM, 2.2 uF, 50 V, +/- 10%, X7R, 0805 UMK212BB7225KG-T Taiyo Yuden
C54 1 4.7uF CAP, CERM, 4.7 uF, 25 V, +/- 10%, X7R, 0805 C2012X7R1E475K125AB TDK
D1 1 100V Diode, Schottky, 100 V, 0.25 A, SOD-123F BAT46WH,115 Nexperia
D2 1 Schottky Barrier Diode 30V 40A 3-Pin TO-263S Emboss T/R RB238NS-30TL ROHM
H1, H2, H3, H4 4 Machine Screw, Round, #4-40 x 1/4, Nylon, Philips panhead NY PMS 440 0025 PH B&F Fastener Supply
H5, H6, H7, H8 4 Standoff, Hex, 0.5"L #4-40 Nylon 1902C Keystone
J1, J3 2 Compact Probe Tip Circuit Board Test Points, TH, 25 per 131-5031-00 Tektronix
J2, J4 2 Fixed Terminal Blocks MKDSP 10 HV/ 2-10 1929517 Phoenix Contact
L1 1 560nH Inductor, Shielded, Powdered Iron, 560 nH, 61 A, 0.00091 ohm, SMD IHLP6767GZERR56M11 Vishay-Dale
LBL1 1 Thermal Transfer Printable Labels, 0.650" W x 0.200" H - 10,000 per roll THT-14-423-10 Brady
Q1 1 30V MOSFET, N-CH, 30 V, 100 A, DQH0008A (VSON-CLIP-8) CSD17559Q5 Texas Instruments None
Q2 1 N-Channel Enhancement Mode Power Transistor ID 60A 100 V - - Surface Mount Die EPC2218 EPC
Q3 1 30V MOSFET, N-CH, 30 V, 60 A, 6.05x2.3mm EPC2023ENGR EPC None
R1, R4, R9, R25, R26, R27, R28, R35 8 0 RES, 0, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 RMCF0603ZT0R00 Stackpole Electronics Inc
R2 1 75.0k RES, 75.0 k, 1%, 0.1 W, 0603 RC0603FR-0775KL Yageo
R3 1 4.99k RES, 4.99 k, 1%, 0.1 W, 0603 RC0603FR-074K99L Yageo
R5 1 35.7k RES, 35.7 k, 1%, 0.1 W, 0603 RC0603FR-0735K7L Yageo
R6, R7 2 30.0k RES, 30.0 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 ERJ-3EKF3002V Panasonic
R8 1 261k RES, 261 k, 0.1%, 0.1 W, 0603 RT0603BRD07261KL Yageo America
R10 1 110k RES, 110 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 CRCW0603110KFKEA Vishay-Dale
R11 1 887k RES, 887 k, 1%, 0.1 W, 0603 RC0603FR-07887KL Yageo
R12, R29, R30, R31 4 0.001 RES, 0.001, 1%, 2 W, 2010 WSLP20101L000FEA Vishay-Dale
R13 1 1 RES, 1.00, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 CRCW06031R00FKEA Vishay-Dale
R16, R32 2 49.9 RES, 49.9, 1%, 0.1 W, 0603 M55342K12B49D9T TT Electronics/IRC
R18 1 10.0k RES, 10.0 k, 1%, 0.1 W, 0603 M55342K12B10E0T TT Electronics/IRC
R22, R23 2 0.02 RES, 0.02, 1%, 1 W, AEC-Q200 Grade 0, 2512 LRMAM2512-R02FT4 TT Electronics/IRC
R33 1 10.0k RES, 10.0 k, 0.1%, 0.1 W, 0603 RG1608P-103-B-T5 Susumu Co Ltd
R34 1 15.8k RES, 15.8 k, 1%, 0.1 W, 0603 RC0603FR-0715K8L Yageo
R36 1 1.96 RES, 1.96, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 CRCW06031R96FKEA Vishay-Dale
TP1, TP29, TP30, TP33 4 Test Point, Miniature, Red, TH 5000 Keystone
TP2, TP3, TP4, TP5, TP6, TP7, TP8, TP9, TP10, TP11, TP12, TP13, TP14, TP15, TP16, TP17, TP25, TP31, TP34, TP35 20 Test Point, Miniature, White, TH 5002 Keystone
TP18, TP19, TP20, TP21, TP28 5 Test Point, Miniature, Black, TH 5001 Keystone
U1 1 Radiation-Hardness-Assured Si and GaN Dual Output Controller TPS7H5001HKY-EM Texas Instruments
U4 1 200-V, 1.5-A, 3-A Half-Bridge GaN Driver With Adjustable Dead Time, RVR0019A (WQFN-19) LMG1210RVRR Texas Instruments LMG1210RVRT Texas Instruments
FID1, FID2, FID3 0 Fiduciary mark. There is nothing to buy or mount. N/A N/A