SLVUD08 June   2025 TPS544B28

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
      1. 1.1.1 Before You Begin
    2. 1.2 Kit Contents
    3. 1.3 Specifications
    4. 1.4 Device Information
  8. 2Hardware
    1. 2.1 Test Equipment
      1. 2.1.1 Voltage Source
      2. 2.1.2 Oscilloscope
      3. 2.1.3 Multimeters
      4. 2.1.4 Output Load
      5. 2.1.5 Fan
      6. 2.1.6 USB-to-GPIO Interface Adapter
      7. 2.1.7 Recommended Wire Gauge
      8. 2.1.8 List of Test Points, Jumpers, and Connectors
    2. 2.2 Test Setup
      1. 2.2.1 Test and Configuration Software
        1. 2.2.1.1 Description
        2. 2.2.1.2 Features
  9. 3Software
    1. 3.1 EVM Configuration Using the Fusion GUI
      1. 3.1.1 Configuration Procedure
    2. 3.2 Using the Fusion GUI
      1. 3.2.1 Opening the Fusion GUI
      2. 3.2.2 Changing ON_OFF_CONFIG
      3. 3.2.3 Pin Strapping
      4. 3.2.4 All Config
      5. 3.2.5 Monitor
      6. 3.2.6 Status
  10. 4Implementation Results
    1. 4.1 Test Procedure
      1. 4.1.1 Line and Load Regulation and Efficiency Measurement Procedure
      2. 4.1.2 Efficiency Measurement Test Points
      3. 4.1.3 Control Loop Gain and Phase Measurement Procedure
    2. 4.2 Performance Data and Typical Characteristic Curves
      1. 4.2.1 Efficiency
      2. 4.2.2 Load Regulation
      3. 4.2.3 Line Regulation
      4. 4.2.4 Output Ripple
      5. 4.2.5 Control On
      6. 4.2.6 Control Off
      7. 4.2.7 Thermal Image
  11. 5Hardware Design Files
    1. 5.1 Schematic
    2. 5.2 EVM Assembly Drawing and PCB Layout
    3. 5.3 Bill of Materials
  12. 6Additional Information
    1. 6.1 Trademarks

5.3 Bill of Materials

Table 5-1 lists the BOM for the TPS544B28EVM.

Table 5-1 TPS544B28EVM Bill of Materials
DesignatorQuantityValueDescriptionPart NumberManufacturerPackage Reference
!PCB1 1 Printed Circuit Board SR077 Any
C1, C14 2 1µF Chip Multilayer Ceramic Capacitors for General Purpose, 0402, 1.0uF, X6S, 22%, 10%, 25V GRM155C81E105KE11D Murata 0402
C3, C4, C17, C18 4 22uF CAP, CERM, 22uF, 25V, +/- 20%, X6S, 1206_190 GRM31CC81E226ME11L MuRata 1206_190
C6, C7, C8, C20, C21, C22 6 47uF CAP, CERM, 47uF, 10V, +/- 20%, X7R, 1210 GRM32ER71A476ME15L MuRata 1210
C16 1 330µF Cap Aluminum Polymer 330uF 25V 20% Solder Cylindrical 19m Ohm 2325mA 2000 hr 125°C T/R A768KS337M1ELAE019 KEMET SMT_CAP_8MM3_8MM3
C28 1 0.1uF CAP, CERM, 0.1uF, 10V, +/- 10%, X5R, 0402 C1005X5R1A104K050BA TDK 0402
C30 1 1uF CAP, CERM, 1uF, 16V, +/- 10%, X6S, 0402 C1005X6S1C105K050BC TDK 0402
D1 1 LED GREEN CLEAR 0402 SMD SM0402GC Bivar 0402
H1, H2, H3, H4 4 Bumpon, Hemisphere, 0.44 X 0.20, Clear SJ-5303 (CLEAR) 3M Transparent Bumpon
J1, J2, J7 3 Header, 2.54mm, 8x2, Tin, Vertical, TH PEC08DAAN Sullins Connector Solutions Header, 2.54mm, 8x2, TH
J3, J4, J5, J6 4 Header, 100mil, 6x2, Tin, TH PEC06DAAN Sullins Connector Solutions Header, 6x2, 100mil, Tin
J8 1 Card Edge Socket, 0.8mm, 10x2, SMT HSEC8-110-01-S-DV-A Samtec Card Edge Socket, 0.8mm, 10x2, SMT
J9 1 Header(Shrouded), 2.54mm, 5x2, Gold, TH AWHW-10G-0202-T Assman WSW Header, 2.54mm, 5x2, TH
JP1, JP3, JP4, JP5 4 Header, 100mil, 3x2, Gold, TH PBC03DAAN Sullins Connector Solutions Sullins 100mil, 2x3, 230 mil above insulator
JP2 1 Header, 100mil, 2x1, Gold, TH PBC02SAAN Sullins Connector Solutions Sullins 100mil, 1x2, 230 mil above insulator
L1 1 550nH Inductor, Shielded, Composite, 550nH, 29A, 0.00142ohm, SMD XAL7070-551MEB Coilcraft 7.2x7x7.5mm
LBL1 1 Thermal Transfer Printable Labels, 0.650" W x 0.200" H - 10,000 per roll THT-14-423-10 Brady PCB Label 0.650 x 0.200 inch
R1, R2 2 0 RES, 0, 5%, 0.063 W, AEC-Q200 Grade 0, 0402 CRCW04020000Z0ED Vishay-Dale 0402
R3, R7 2 10.0 RES, 10.0, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 CRCW040210R0FKED Vishay-Dale 0402
R4 1 200k RES, 200 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 CRCW0402200KFKED Vishay-Dale 0402
R5 1 10.0k RES, 10.0 k, 1%, 0.2 W, AEC-Q200 Grade 0, 0402 ERJPA2F1002X Panasonic 0402
R8 1 100k RES, 100 k, 1%, 0.1 W, 0402 ERJ-2RKF1003X Panasonic 0402
R9, R19 2 0 RES, 0, 5%, 0.1 W, AEC-Q200 Grade 0, 0603 CRCW06030000Z0EA Vishay-Dale 0603
R10, R29 2 820 RES, 820, 1%, 0.1 W, 0603 RC0603FR-07820RL Yageo 0603
R11, R18, R35 3 4.70k RES, 4.70 k, 1%, 0.1 W, 0603 RC0603FR-074K7L Yageo 0603
R12, R34 2 1.20k RES, 1.20 k, 1%, 0.1 W, 0603 RC0603FR-071K2L Yageo 0603
R13, R39 2 1.80k RES, 1.80 k, 1%, 0.1 W, 0603 RC0603FR-071K8L Yageo 0603
R14, R44 2 2.20k RES, 2.20 k, 1%, 0.1 W, 0603 RC0603FR-072K2L Yageo 0603
R15, R20 2 2.70k RES, 2.70 k, 1%, 0.1 W, 0603 RC0603FR-072K7L Yageo 0603
R16, R25 2 3.30k RES, 3.30 k, 1%, 0.1 W, 0603 RC0603FR-073K3L Yageo 0603
R17, R30 2 3.90k RES, 3.90 k, 1%, 0.1 W, 0603 RC0603FR-073K9L Yageo 0603
R21, R33 2 8.20k RES, 8.20 k, 1%, 0.1 W, 0603 RC0603FR-078K2L Yageo 0603
R22, R51 2 27.0k RES, 27.0 k, 1%, 0.1 W, 0603 RC0603FR-0727KL Yageo 0603
R23, R40 2 5.60k RES, 5.60 k, 1%, 0.1 W, 0603 RC0603FR-075K6L Yageo 0603
R24, R62 2 118k RES, 118 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 CRCW0603118KFKEA Vishay-Dale 0603
R26, R38 2 10.0k RES, 10.0 k, 1%, 0.1 W, 0603 RC0603FR-0710KL Yageo 0603
R27, R52 2 39.0k RES, 39.0 k, 1%, 0.1 W, 0603 RC0603FR-0739KL Yageo 0603
R28, R45 2 6.80k RES, 6.80 k, 1%, 0.1 W, 0603 RC0603FR-076K8L Yageo 0603
R31, R43 2 12.0k RES, 12.0 k, 1%, 0.1 W, 0603 RC0603FR-0712KL Yageo 0603
R32, R53 2 47.0k RES, 47.0 k, 1%, 0.1 W, 0603 RC0603FR-0747KL Yageo 0603
R36, R48 2 15.0k RES, 15.0 k, 1%, 0.1 W, 0603 RC0603FR-0715KL Yageo 0603
R37, R56 2 56.2k RES, 56.2 k, 1%, 0.1 W, 0603 RC0603FR-0756K2L Yageo 0603
R41, R49 2 18.0k RES, 18.0 k, 1%, 0.1 W, 0603 RC0603FR-0718KL Yageo 0603
R42, R60 2 68.0k RES, 68.0 k, 1%, 0.1 W, 0603 RC0603FR-0768KL Yageo 0603
R46, R50 2 22.0k RES, 22.0 k, 1%, 0.1 W, 0603 RC0603FR-0722KL Yageo 0603
R47, R61 2 82.0k RES, 82.0 k, 1%, 0.1 W, 0603 RC0603FR-0782KL Yageo 0603
R54 1 453 RES, 453, 1%, 0.1 W, 0603 RC0603FR-07453RL Yageo 0603
R55 1 2.2k RES, 2.2 k, 5%, 0.1 W, 0603 RC0603JR-072K2L Yageo 0603
R57 1 66.5k RES, 66.5 k, 1%, 0.1 W, 0603 RC0603FR-0766K5L Yageo 0603
R58 1 49.9 RES, 49.9, 1%, 0.1 W, 0603 RC0603FR-0749R9L Yageo 0603
SH-J1, SH-J2, SH-J3, SH-J4, SH-J5, SH-J6, SH-J7 7 1x2 Shunt, 100mil, Gold plated, Black SNT-100-BK-G Samtec Shunt
T1, T2 2 Therminal Block, 5mm, 2-pole, Tin, TH 282856-2 TE Connectivity TH, 2-Leads, Body 10x10mm, Pitch 5mm
T3 1 Terminal Block, 3.5mm Pitch, 2x1, TH ED555/2DS On-Shore Technology 7.0x8.2x6.5mm
TP1, TP2, TP3, TP8 4 Test Point, Multipurpose, Red, TH 5010 Keystone Red Multipurpose Testpoint
TP4, TP5, TP6, TP7 4 Terminal, Turret, TH, Triple 1598-2 Keystone Keystone1598-2
TP9, TP10 2 Test Point, Multipurpose, Orange, TH 5013 Keystone Electronics Orange Multipurpose Testpoint
TP11, TP12, TP13 3 Test Point, Multipurpose, Yellow, TH 5014 Keystone Electronics Yellow Multipurpose Testpoint
TP14, TP15, TP16, TP21, TP22, TP23 6 Test Point, Multipurpose, Black, TH 5011 Keystone Electronics Black Multipurpose Testpoint
TP17, TP18 2 Connector, Receptacle, 50 ohm, TH SMBR004D00 JAE Electronics SMB Connector
TP19, TP20, TP24 3 Test Point, Multipurpose, White, TH 5012 Keystone Electronics White Multipurpose Testpoint
U1 1 4V to 16V Input, 20A, Remote Sense, D-CAP4 Synchronous Buck Converter with PMBus TPS544B28VANR Texas Instruments WQFN-HR19
C2, C15 0 1µF Chip Multilayer Ceramic Capacitors for General Purpose, 0402, 1.0uF, X6S, 22%, 10%, 25V GRM155C81E105KE11D Murata 0402
C5, C19 0 22uF CAP, CERM, 22uF, 25V, +/- 20%, X6S, 1206_190 GRM31CC81E226ME11L MuRata 1206_190
C9, C10, C11, C23, C24, C25 0 47uF CAP, CERM, 47uF, 10V, +/- 20%, X7R, 1210 GRM32ER71A476ME15L MuRata 1210
C12, C13, C26, C27 0 220µF Molded Tantalum Polymer Capacitor 220uF 20% 6.3V life 1000Hours SMD 2917 6TCF220M5L Panasonic 2917.0
C29 0 22pF CAP, CERM, 22pF, 50V, +/- 5%, C0G/NP0, AEC-Q200 Grade 1, 0402 CGA2B2NP01H220J050BA TDK 0402
C31 0 0.1uF CAP, CERM, 0.1uF, 50V, +/- 10%, X7R, AEC-Q200 Grade 1, 0402 CGA2B3X7R1H104K050BB TDK 0402
C32 0 560pF CAP, CERM, 560pF, 100V, +/- 10%, X7R, 0603 GRM188R72A561KA01D MuRata 0603
FID1, FID2, FID3 0 Fiducial mark. There is nothing to buy or mount. N/A N/A N/A
R6 0 10.0k RES, 10.0 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 CRCW040210K0FKED Vishay-Dale 0402
R59 0 5.10 RES, 5.10, 1%, 0.5 W, 1210 RC1210FR-075R1L Yageo 1210