SBVU066A August   2020  – April 2021 TPS51397A

 

  1.   Trademarks
  2. 1Introduction
  3. 2Performance Specification Summary
  4. 3Modifications
    1. 3.1 Output Voltage Setpoint
    2. 3.2 Mode Selection
  5. 4Test Setup and Results
    1. 4.1 Input/Output Connections
    2. 4.2 Start-Up
    3. 4.3 Shutdown
    4. 4.4 Load Transient Response
    5. 4.5 Output Voltage Ripple
  6. 5Board Layout
    1. 5.1 Layout
  7. 6Schematic and Bill of Materials
    1. 6.1 Schematic
    2. 6.2 Bill of Materials
  8. 7References
  9. 8Revision History

6.2 Bill of Materials

Table 6-1 presents the list of materials for the TPS51397AEVM.

Table 6-1 TPS51397AEVM List of Materials
DESQTYDESCRIPTIONPART NUMBERMANUFACTURER
!PCB11Printed circuit boardBSR117Any
C11CAP, CERM, 1 μF, 25 V, ±10%, X5R, 0603C1608X5R1E105K080ACTDK
C2, C6, C7, C154CAP, CERM, 0.1 μF, 50 V, ±10%, X7R, 0603C1608X7R1H104K080AATDK
C4, C52CAP, CERM, 22 μF, 35 V, ±20%, X5R, 1206C3216X5R1V226M160ACTDK
C8, C9, C10, C114CAP, CERM, 47 µF, 10 V, ±20%, X5R, 0805GRM21BR61A476ME15LMuRata
C13

1

CAP, CERM, 100 pF, 100 V, ±1%, C0G/NP0, 0603C1608C0G2A101F080AATDK
C141CAP, CERM, 0.018 μF, 100 V, ±10%, X7R, 0603C0603C183K1RACTUKemet
D11Diode, Zener, 5.1 V, 500 mW, SOD-123MMSZ5231B-7-FDiodes Inc.
H1, H2, H3, H44Bumpon, hemisphere, 0.44 X 0.20, clearSJ-5303 (CLEAR)3M
J1, J22Terminal block, 5.08 mm, 2x1, brass, THED120/2DSOn-Shore Technology
J31Header, 100 mil, 2x1, tin, THPEC02SAANSullins Connector Solutions
J41Header, 100 mil, 4x2, tin, THPEC04DAANSullins Connector Solutions
J51Header, 100 mil, 3x1, tin, THPEC03SAANSullins Connector Solutions
L11Inductor, Shielded Drum Core, Superflux, 1.8 μH, 16 A, 0.0035 Ω, SMD744325180Wurth Elektronik
R1, R3 2RES, 0, 5%, 0.1 W, AEC-Q200 Grade 0, 0603CRCW06030000Z0EAVishay-Dale
R21

RES, 51.1, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

CRCW060351R1FKEAVishay-Dale
R41RES, 110 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603CRCW0603110KFKEAVishay-Dale
R51RES, 100 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603CRCW0603100KFKEAVishay-Dale
R61RES, 15.0 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603CRCW060315K0FKEAVishay-Dale
R7, R8, R15, R164RES, 51 k, 5%, 0.1 W, AEC-Q200 Grade 0, 0603CRCW060351K0JNEAVishay-Dale

R9

1

RES, 330 k, 5%, 0.1 W, AEC-Q200 Grade 0, 0603

CRCW0603330KJNEA

Vishay-Dale
R101RES, 180 k, 5%, 0.1 W, AEC-Q200 Grade 0, 0603CRCW0603180KJNEAVishay-Dale

R11

1

RES, 160 k, 5%, 0.1 W, AEC-Q200 Grade 0, 0603

CRCW0603160KJNEA

Vishay-Dale

R12

1

RES, 75 k, 5%, 0.1 W, AEC-Q200 Grade 0, 0603

CRCW060375K0JNEA

Vishay-Dale
R131RES, 15 k, 5%, 0.1 W, AEC-Q200 Grade 0, 0603CRCW060315K0JNEAVishay-Dale
R141RES, 33 k, 5%, 0.1 W, AEC-Q200 Grade 0, 0603CRCW060333K0JNEAVishay-Dale
SH-J1, SH-J2, SH-J33Shunt, 100 mil, gold plated, blackSNT-100-BK-GSamtec
TP1, TP3, TP5, TP6, TP7, TP12, TP167Test point, miniature, red, TH5000Keystone
TP2, TP4, TP9, TP104Terminal, turret, TH, triple1598-2Keystone
TP8, TP11, TP13, TP14, TP155Test point, miniature, black, TH5001Keystone
U114.5-V to 24-V, 10-A Synchronous Step-Down Voltage RegulatorTPS51397ARJERTexas Instruments
C30CAP, CERM, 22 μF, 35 V, ±20%, X5R, 1206C3216X5R1V226M160ACTDK
C120CAP, CERM, 47 µF, 10 V, ±20%, X5R, 0805GRM21BR61A476ME15LMuRata
FID1, FID2, FID30Fiducial mark. There is nothing to buy or mount.N/AN/A