SLUUCD3A September   2020  – April 2021 TPS546A24A

 

  1.   Trademarks
  2. 1 Description
    1. 1.1 Before You Begin
    2. 1.2 Typical Applications
    3. 1.3 Features
  3. 2 Electrical Performance Specifications
  4. 3 Schematic
  5. 4 Test Setup
    1. 4.1 Test and Configuration Software
      1. 4.1.1 Description
      2. 4.1.2 Features
    2. 4.2 Test Equipment
      1. 4.2.1 Voltage Source
      2. 4.2.2 Multimeters
      3. 4.2.3 Output Load
      4. 4.2.4 Oscilloscope
      5. 4.2.5 Fan
      6. 4.2.6 USB-to-GPIO Interface Adapter
      7. 4.2.7 Recommended Wire Gauge
    3. 4.3 Tip and Barrel Measurement
    4. 4.4 List of Test Points, Jumpers, and Connectors
    5. 4.5 Evaluating Split Rail Input
    6. 4.6 Configuring EVM to Overdrive VDD5
    7. 4.7 Powering from a Single 3.3-V Input Power Supply
  6. 5 EVM Configuration Using the Fusion GUI
    1. 5.1 Configuration Procedure
  7. 6 Test Procedure
    1. 6.1 Line and Load Regulation and Efficiency Measurement Procedure
    2. 6.2 Efficiency Measurement Test Points
    3. 6.3 Control Loop Gain and Phase Measurement Procedure
  8. 7 Performance Data and Typical Characteristic Curves
    1. 7.1  Efficiency
    2. 7.2  Load and Line Regulation (Measured Between TP27 and TP26)
    3. 7.3  Transient Response
    4. 7.4  Control Loop Bode Plot
    5. 7.5  Output Ripple
    6. 7.6  Power MOSFET Drain-Source Voltage
    7. 7.7  Control On
    8. 7.8  Control Off
    9. 7.9  Control On With Pre-biased Output
    10. 7.10 Thermal Image
  9. 8 EVM Assembly Drawing and PCB Layout
  10. 9 Bill of Materials
  11. 10Using the Fusion GUI
    1. 10.1  Opening the Fusion GUI
    2. 10.2  General Settings
    3. 10.3  Changing ON_OFF_CONFIG
    4. 10.4  Pop-up for Some Commands While Conversion is Enabled
    5. 10.5  SMBALERT# Mask
    6. 10.6  Device Info
    7. 10.7  Phase Commands
    8. 10.8  All Config
    9. 10.9  Pin Strapping
    10. 10.10 Monitor
    11. 10.11 Status
  12. 11Revision History

9 Bill of Materials

Table 9-1 lists the BOM for the TPS546A24AEVM-1PH.

Table 9-1 Bill of Materials
Designator Quantity Value Description PackageReference PartNumber Manufacturer
!PCB1 1 Printed Circuit Board BSR132 Any
C2, C3, C18, C19 4 100uF CAP, CERM, 100 µF, 6.3 V,+/- 20%, X7S, 1210 1210 GRM32EC70J107ME15L MuRata
C9 1 100uF CAP, AL, 100 uF, 35 V, +/- 20%, 0.15 ohm, SMD SMT Radial G EEE-FC1V101P Panasonic
C10, C11, C24, C25 4 22uF CAP, CERM, 22 uF, 25 V, +/- 10%, X6S, 1210 1210 GRM32EC81E226KE15L MuRata
C12, C13, C26 3 6800pF CAP, CERM, 6800 pF, 50 V,+/- 10%, X7R, 0402 0402 GCM155R71H682KA55D MuRata
C14 1 1uF CAP, CERM, 1 uF, 25 V, +/- 10%, X7R, 0603 0603 C0603C105K3RACTU Kemet
C15 1 0.1uF CAP, CERM, 0.1 uF, 50 V, +/- 10%, X7R, 0603 0603 C0603C104K5RACTU Kemet
C16 1 1000pF CAP, CERM, 1000 pF, 100 V, +/- 5%, X7R, 0603 0603 06031C102JAT2A AVX
C27 1 4.7uF CAP, CERM, 4.7 uF, 10 V, +/- 10%, X5R, 0603 0603 C0603C475K8PACTU Kemet
C29 1 100pF CAP, CERM, 100 pF, 50 V, +/- 5%, C0G/NP0, 0603 0603 C1608C0G1H101J080AE TDK
C30 1 2.2uF CAP, CERM, 2.2 uF, 16 V, +/- 10%, X7R, 0603 0603 EMK107BB7225KA-T Taiyo Yuden
C32 1 0.1uF CAP, CERM, 0.1 uF, 50 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0402 0402 CGA2B3X7R1H104K050BB TDK
C34, C35, C37, C39 4 2.2uF CAP, CERM, 2.2 µF, 25 V,+/- 10%, X7S, 0603 0603 GRM188C71E225KE11D MuRata
C36 1 0.22uF CAP, CERM, 0.22 µF, 16 V,+/- 10%, X7R, AEC-Q200 Grade 1, 0402 0402 GCM155R71C224KE02D MuRata
C38 1 10uF CAP, CERM, 10 µF, 25 V,+/- 20%, X6S, 0805 0805 GRM21BC81E106ME51L MuRata
D1, D2 2 30V Diode, Schottky, 30 V, 2 A, AEC-Q101, SOD-123FL SOD-123FL MBR230LSFT1G ON Semiconductor
D3 1 DIODE ARRAY SCHOTTKY 40V SOT363 SOT363 SD103ATW-7-F Diodes
H5, H6, H7, H8 4 Bumpon, Hemisphere, 0.375 X 0.235, Black Black Bumpon SJ61A2 3M
J1 1 Connector, Receptacle, Micro-USB Type B, R/A, Bottom Mount SMT MICRO USB CONN, R/A 1981568-1 TE Connectivity
J2 1 Header (shrouded), 100mil, 5x2, Gold, TH 5x2 Shrouded header 5103308-1 TE Connectivity
JP3 1 Header, 100mil, 3x1, Gold, TH PBC03SAAN PBC03SAAN Sullins Connector Solutions
JP4 1 Header, 100mil, 3x2, Gold, TH Sullins 100mil, 2x3, 230 mil above insulator PBC03DAAN Sullins Connector Solutions
L1 1 680nH Inductor, Shielded, Composite, 680 nH, 37 A, 0.0014 ohm, SMD 8.1 x 8 x 8.6mm XAL8080-681MEB 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
LED1 1 Green LED, Green, SMD LED_0603 150060GS75000 Wurth Elektronik
Q1 1 30V MOSFET, 2-CH, N/P-CH, 30 V, 0.65 A, SOT-363 SOT-363 DMC3400SDW-7 Diodes Inc.
R1 1 30.1k RES, 30.1 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW040230K1FKED Vishay-Dale
R2 1 8.66k RES, 8.66 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW04028K66FKED Vishay-Dale
R3, R4 2 10 RES, 10, 5%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW060310R0JNEA Vishay-Dale
R6, R13, R19 3 0 RES, 0, 5%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW04020000Z0ED Vishay-Dale
R8 1 68.1k RES, 68.1 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW040268K1FKED Vishay-Dale
R11 1 3.16k RES, 3.16 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW04023K16FKED Vishay-Dale
R12 1 5.62k RES, 5.62 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW04025K62FKED Vishay-Dale
R14 1 1.0 RES, 1.0, 5%, 0.25 W, AEC-Q200 Grade 0, 1206 1206 CRCW12061R00JNEA Vishay-Dale
R18, R23 2 49.9 RES, 49.9, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW060349R9FKEA Vishay-Dale
R20 1 10.0k RES, 10.0 k, 1%, 0.063 W, 0402 0402 RC0402FR-0710KL Yageo America
R21, R22 2 100 RES, 100, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW0603100RFKEA Vishay-Dale
R24, R25 2 10.0 RES, 10.0, 1%, 0.25 W, AEC-Q200 Grade 0, 0603 0603 CRCW060310R0FKEAHP Vishay-Dale
R28 1 1.00k RES, 1.00 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW06031K00FKEA Vishay-Dale
SH-JP3, SH-JP4 2 1x2 Shunt, 100mil, Gold plated, Black Shunt SNT-100-BK-G Samtec
SMB1, SMB2 2 Connector, Receptacle, 50 ohm, TH SMB Connector SMBR004D00 JAE Electronics
T1 1 Terminal Block, 3.5mm Pitch, 2x1, TH 7.0x8.2x6.5mm ED555/2DS On-Shore Technology
T2, T3, T6, T7 4 Terminal Block, 5.08 mm, 2x1, Brass, TH 2x1 5.08 mm Terminal Block ED120/2DS On-Shore Technology
TP1, TP12, TP13, TP23, TP24, TP27 6 Test Point, Multipurpose, Red, TH Red Multipurpose Testpoint 5010 Keystone
TP2, TP15, TP18, TP19, TP20, TP21, TP26 7 Test Point, Multipurpose, Black, TH Black Multipurpose Testpoint 5011 Keystone
TP3, TP4, TP5, TP6, TP9, TP10, TP11, TP14, TP16, TP17, TP22, TP25 12 Test Point, Multipurpose, White, TH White Multipurpose Testpoint 5012 Keystone
U1 1 2.95-16V 10A PMBUS Stackable Synchronous Buck Converter, RVF0040A (LQFN-CLIP-40) RVF0040A TPS546A24ARVFR Texas Instruments
U2 1 5 V, Step-Up Charge Pump Regulator, 140 mA, 2.7 to 5.5 V Input, -40 to 85 degC, 6-pin SON (DRV6), Green (RoHS & no Sb/Br) DRV0006A TPS60150DRVR Texas Instruments
C1, C17 0 330uF CAP, Tantalum Polymer, 330 uF, 10 V, +/- 20%, 0.006 ohm, 7343-43 SMD 7343-43 T530X337M010ATE006 Kemet
C4, C5, C6, C7, C20 0 100uF CAP, CERM, 100 µF, 6.3 V,+/- 20%, X7S, 1210 1210 GRM32EC70J107ME15L MuRata
C8 0 100uF CAP, AL, 100 uF, 35 V, +/- 20%, 0.15 ohm, SMD SMT Radial G EEE-FC1V101P Panasonic
C21, C22, C23 0 47uF CAP, CERM, 47 uF, 10 V, +/- 10%, X7R, 1210 1210 GRM32ER71A476KE15L MuRata
C28 0 0.1uF CAP, CERM, 0.1 uF, 50 V, +/- 10%, X7R, 0603 0603 C0603C104K5RACTU Kemet
C31, C33 0 33pF CAP, CERM, 33 pF, 50 V, +/- 5%, C0G/NP0, 0603 0603 C0603C330J5GACTU Kemet
FID1, FID2, FID3 0 Fiducial mark. There is nothing to buy or mount. N/A N/A N/A
JP1, JP2 0 Header, 100mil, 2x1, Tin, TH Header, 2x1, 100mil, TH 5-146278-2 TE Connectivity
R5, R7, R9, R10 0 10.5k RES, 10.5 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW040210K5FKED Vishay-Dale
R15, R16 0 100 RES, 100, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW0603100RFKEA Vishay-Dale
R17 0 49.9 RES, 49.9, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW060349R9FKEA Vishay-Dale
R26, R27, R29, R30, R31 0 0 RES, 0, 5%, 0.1 W, 0603 0603 RC0603JR-070RL Yageo
SH-JP1, SH-JP2 0 1x2 Shunt, 100mil, Gold plated, Black Shunt SNT-100-BK-G Samtec
SMB3 0 Connector, Receptacle, 50 ohm, TH SMB Connector SMBR004D00 JAE Electronics
T4, T5 0 Terminal Block, 5.08 mm, 2x1, Brass, TH 2x1 5.08 mm Terminal Block ED120/2DS On-Shore Technology
TP7, TP8 0 Test Point, Miniature, Red, TH Red Miniature Testpoint 5000 Keystone
TP28 0 Test Point, Multipurpose, Red, TH Red Multipurpose Testpoint 5010 Keystone