SBAU227A March   2014  – June 2021 TPS56520 , TPS56720 , TPS56920 , TPS56C20

 

  1.   Trademarks
  2. 1Introduction
  3. 2Performance Specification Summary
  4. 3Modifications
    1. 3.1 Output Voltage Set Point
    2. 3.2 Output Voltage Set Point Using I2C Interface
      1. 3.2.1 PC Preparation
      2. 3.2.2 Connect the PC
      3. 3.2.3 Voltage Scaling Procedure
    3. 3.3 Output Filter and Closed Loop Response
  5. 4Test Setup and Results
    1. 4.1 Input/Output Connections
    2. 4.2 Start Up Procedure
    3. 4.3 Efficiency
    4. 4.4 Load Regulation
    5. 4.5 Line Regulation
    6. 4.6 Load Transient Response
    7. 4.7 Output Voltage Ripple
    8. 4.8 Start Up
    9. 4.9 Shut Down
  6. 5Board Layout
    1. 5.1 Board Layout
  7. 6Schematic, Bill of Materials and Reference
    1. 6.1 Schematic
    2. 6.2 Bill of Materials
    3. 6.3 Reference
  8. 7Revision History

6.2 Bill of Materials

Table 6-1 lists the BOM for the TPS56C20EVM.

Table 6-1 TPS56C20EVM-614 Bill of Materials
DesignatorQuantityValueDescriptionPackage ReferencePart NumberManufacturer
C314.7uFCAP, CERM, 4.7uF, 10V, +/-10%, X5R, 080508050805ZD475KAT2AAVX
C4, C5, C13, C14410uFCAP, CERM, 10uF, 35V, +/-10%, X7R, 12101210GRM32ER7YA106KA12LMuRata
C61100uFCAP, CERM, 100uF, 6.3V, +/-20%, X5R, 12101210C1210C107M9PACTUKemet
C910.1uFCAP, CERM, 0.1uF, 25V, +/-10%, X7R, 0603060306033C104KAT2AAVX
C1013.3uFCAP, CERM, 3.3uF, 25V, +/-10%, X5R, 06030603C1608X5R1E335K080ACTDK
C1110.01uFCAP, CERM, 0.01uF, 50V, +/-5%, X7R, 06030603C0603C103J5RACTUKemet
J1, J32TERMINAL BLOCK 5.08MM VERT 2POSTERM_BLK, 2pos, 5.08mmED120/2DSOn-Shore Technology, Inc.
J21Terminal Block, 6A, 3.5mm Pitch, 2-Pos, TH7.0x8.2x6.5mmED555/2DSOn-Shore Technology, Inc.
J41Header (shrouded), 100mil, 5x2, High-Temperature, Gold, TH5x2 Shrouded headerN2510-6002-RB3M
JP1, JP2, JP3, JP4, JP5, JP66Header, TH, 100mil, 2x1, Gold plated, 230 mil above insulatorTSW-102-07-G-STSW-102-07-G-SSamtec, Inc.
L111.5uHInductor, Shielded Drum Core, WE-Superflux200, 1.5uH, 12A, 0.0066 ohm, SMDWE-HC5744323150Wurth Elektronik eiSos
LBL11Thermal Transfer Printable Labels, 0.650" W x 0.200" H - 10,000 per rollPCB Label 0.650"H x 0.200"WTHT-14-423-10Brady
R1, R221.00kRES, 1.00k ohm, 1%, 0.1W, 06030603CRCW06031K00FKEAVishay-Dale
R3, R4, R5310.0kRES, 10.0k ohm, 1%, 0.1W, 06030603CRCW060310K0FKEAVishay-Dale
R6151RES, 51 ohm, 5%, 0.1W, 06030603CRCW060351R0JNEAVishay-Dale
R7118.2kRES, 18.2k ohm, 1%, 0.1W, 06030603CRCW060318K2FKEAVishay-Dale
R8122kRES, 22k ohm, 5%, 0.1W, 06030603CRCW060322K0JNEAVishay-Dale
SH-J1, SH-J2, SH-J3, SH-J4, SH-J5, SH-J661x2Shunt, 100mil, Gold plated, BlackShunt969102-0000-DA3M
TP11BlackTest Point, TH, Miniature, BlackKeystone50015001Keystone
TP2, TP5, TP8, TP104RedTest Point, TH, Miniature, RedKeystone50005000Keystone
TP3, TP62RedTest Point, Miniature, Red, THRed Miniature Testpoint5000Keystone
TP4, TP7, TP93BlackTest Point, Miniature, Black, THBlack Miniature Testpoint5001Keystone
U114.5V to 17V Input, 12A/9A/7A/5A Output, Synchronous Step-Down Voltage Regulator with Voltage Margining, PWP0024GPWP0024GTPS56C20PWPTexas Instruments