SLUUC48A February   2020  – February 2022 TPS546B24A

 

  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 Single Phase Operation
    6. 4.6 Evaluating Split Rail Input
    7. 4.7 Configuring EVM to Overdrive VDD5
  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 TP22 and TP25)
    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 Current Sharing Between Two Phases
    11. 7.11 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 TPS546B24AEVM-2PH.

Table 9-1 TPS546B24AEVM-2PH Bill of Materials
Designator(1)QuantityValueDescriptionPackage ReferencePart NumberManufacturer
!PCB11Printed Circuit BoardBSR104Any
C1_P1, C1_P2, C11_P1, C11_P241 μFCAP, CERM, 1 uF, 25 V, ±10%, X7R, 06030603C0603C105K3RACTUKemet
C2_P1, C2_P2, C33, C344100 μFCAP, AL, 100 μF, 35 V, ±20%, 0.15 Ω, SMDSMT Radial GEEE-FC1V101PPanasonic
C3_P1, C3_P2, C4_P1, C4_P2, C5_P1, C5_P2, C6_P1, C6_P2822 μFCAP, CERM, 22 μF, 25 V, ±10%, X6S, 12101210GRM32EC81E226KE15LMuRata
C7_P1, C7_P2, C8_P1, C8_P2, C9_P1, C9_P266800 pFCAP, CERM, 6800 pF, 50 V, ±10%, X7R, 04020402GRM155R71H682KA88DMuRata
C12_P1, C12_P221000 pFCAP, CERM, 1000 pF, 100 V, ±5%, X7R, 0603060306031C102JAT2AAVX
C13_P1, C13_P2, C20_P1, C20_P240.1 μFCAP, CERM, 0.1 μF, 50 V, ±10%, X7R, 06030603C0603C104K5RACTUKemet
C15_P1, C15_P224.7 μFCAP, CERM, 4.7 μF, 10 V, ±10%, X5R, 06030603C0603C475K8PACTUKemet
C17_P11100 pFCAP, CERM, 100 pF, 50 V, ±5%, C0G/NP0, 06030603GRM1885C1H101JA01DMuRata
C19_P1, C19_P222.2 μFCAP, CERM, 2.2 uF, 16 V, ±10%, X7R, 06030603EMK107BB7225KA-TTaiyo Yuden
C21_P1, C21_P2233 pFCAP, CERM, 33 pF, 50 V, ±5%, C0G/NP0, 06030603C0603C330J5GACTUKemet
C2211 μFCAP, CERM, 1 μF, 50 V, ±10%, X7R, 08050805C0805C105K5RACTUKemet
C23110 μFCAP, CERM, 10 μF, 10 V, ±20%, X7R, 08050805C2012X7R1A106M125ACTDK
C2410.01 μFCAP, CERM, 0.01 µF, 100 V, ±10%, X7R, AEC-Q200 Grade 1, 06030603GCM188R72A103KA37JMuRata
C25, C29, C30, C31, C32, C35, C36, C49, C50, C51, C52, C53, C54, C55, C62, C681647 μFCAP, CERM, 47 μF, 10 V, ±10%, X7R, 12101210GRM32ER71A476KE15LMuRata
C47, C48, C63, C644220 μFCAP, TA, 220 μF, 6.3 V, ±20%, 0.009 Ω, SMD7343-31T520D227M006ATE009Kemet
D1, D2230 VDiode, Schottky, 30 V, 2 A, AEC-Q101, SOD-123FLSOD-123FLMBR230LSFT1GON Semiconductor
D1_P1, D1_P2245 VDiode, Schottky, 45 V, 0.75 A, SOD-523SOD-523BAS 52-02V H6327Infineon Technologies
H1, H22Machine Screw Pan Philips 10-32PMSSS 102 0050 PHB&F Fastener Supply
H3, H4, H5, H64Bumpon, Hemisphere, 0.44 × 0.20, ClearTransparent BumponSJ-5303 (CLEAR)3M
H7, H82Machine Screw Nut, Hex, 3/8', Stn, Steel, 10-32HNSS 102B&F Fastener Supply
H9, H102Washer, Split Lock, #101477Keystone
J21Header (shrouded), 100mil, 5 × 2, Gold, TH5 × 2 Shrouded header5103308-1TE Connectivity
J41Connector, Receptacle, Micro-USB Type B, R/A, Bottom Mount SMTMICRO USB CONN, R/A1981568-1TE Connectivity
JP1_P1, JP1_P22Header, 2.54 mm, 2 × 1, Gold, THHeader, 2.54 mm, 2 × 1, TH61300211121Wurth Elektronik
JP2_P1, JP2_P22Header, 100 mil, 3 × 2, Gold, THSullins 100 mil, 2 × 3, 230 mil above insulatorPBC03DAANSullins Connector Solutions
JP3, JP4, JP53Header, 100mil, 2 × 1, Tin, THHeader, 2 × 1, 100 mil, TH5-146278-2TE Connectivity
JP7_P1, JP7_P22Header, 100 mil, 3 × 1, Gold, THPBC03SAANPBC03SAANSullins Connector Solutions
L1, L22300nHInductor, Shielded, Ferrite, 300 nH, 52 A, 0.00015 Ω, SMDSMD 13.46 × 8.0 × 12.95 mmSLC1480-301MLBCoilcraft
LBL11Thermal Transfer Printable Labels, 0.650" W × 0.200" H - 10,000 per rollPCB Label 0.650 × 0.200 inchTHT-14-423-10Brady
LED11GreenLED, Green, SMDLED_0603150060GS75000Wurth Elektronik
R2_P1, R2_P2, R3_P1, R3_P2410RES, 10, 5%, 0.1 W, AEC-Q200 Grade 0, 06030603CRCW060310R0JNEAVishay-Dale
R4_P1, R4_P2, R15_P1, R15_P2, R16_P1, R16_P2, R17_P1, R17_P2, R18_P2, R22_P1, R22_P2, R23_P1, R23_P2, R25_P1, R25_P2, R27_P1, R27_P2, R32, R33190RES, 0, 5%, 0.1 W, AEC-Q200 Grade 0, 06030603ERJ-3GEY0R00VPanasonic
R5_P1, R5_P2, R34, R35, R36, R38649.9RES, 49.9, 1%, 0.1 W, AEC-Q200 Grade 0, 06030603CRCW060349R9FKEAVishay-Dale
R6_P1, R6_P221.0RES, 1.0, 5%, 0.25 W, AEC-Q200 Grade 0, 12061206CRCW12061R00JNEAVishay-Dale
R8_P2, R26_P1, R26_P2310.0 kRES, 10.0 k, 1%, 0.1 W, 06030603RC0603FR-0710KLYageo
R9_P1, R9_P2230.1 kRES, 30.1 k, 1%, 0.1 W, 06030603RC0603FR-0730K1LYageo
R14_P1, R14_P227.50 kRES, 7.50 k, 1%, 0.1 W, 06030603ERJ-3EKF7501VPanasonic
R19_P1114.7 kRES, 14.7 k, 1%, 0.1 W, AEC-Q200 Grade 0, 06030603ERJ-3EKF1472VPanasonic
R21_P115.62 kRES, 5.62 k, 1%, 0.1 W, 06030603RC0603FR-075K62LYageo
R2811.00 kRES, 1.00 k, 1%, 0.1 W, AEC-Q200 Grade 0, 06030603CRCW06031K00FKEAVishay-Dale
R29147.5 kRES, 47.5 k, 1%, 0.1 W, AEC-Q200 Grade 0, 06030603CRCW060347K5FKEAVishay-Dale
R30115.0 kRES, 15.0 k, 1%, 0.1 W, AEC-Q200 Grade 0, 06030603CRCW060315K0FKEAVishay-Dale
R311560 kRES, 560 k, 1%, 0.1 W, 06030603RC0603FR-07560KLYageo
SH-JP1, SH-JP2, SH-JP3, SH-JP4, SH-JP5, SH-JP661 × 2Shunt, 100 mil, Gold plated, BlackShuntSNT-100-BK-GSamtec
SMB1_P1, SMB1_P2, SMB23Connector, Receptacle, 50 Ω, THSMB ConnectorSMBR004D00JAE Electronics
T1, T22Therminal Block, 5 mm, 2-pole, Tin, THTH, 2-Leads, Body 10 × 10 mm, Pitch 5 mm282856-2TE Connectivity
T3, T52Terminal 90-A LugCB70-14-CYCB70-14-CYPanduit
T41Terminal Block, 3.5-mm Pitch, 2 × 1, TH7.0 × 8.2 × 6.5 mmED555/2DSOn-Shore Technology
TP1_P1, TP1_P2, TP6, TP12, TP13, TP19, TP22, TP268Test Point, Multipurpose, Red, THRed Multipurpose Testpoint5010Keystone
TP2_P1, TP2_P2, TP5_P1, TP5_P2, TP7, TP8, TP9, TP10, TP14, TP17, TP18, TP21, TP27, TP28, TP29, TP3116Test Point, Multipurpose, White, THWhite Multipurpose Testpoint5012Keystone
TP3_P1, TP3_P2, TP4_P1, TP4_P2, TP11, TP15, TP16, TP20, TP23, TP24, TP25, TP30, TP3213Test Point, Multipurpose, Black, THBlack Multipurpose Testpoint5011Keystone
U1_P1, U1_P222.95-V to 16-V, 20-A PMBUS Stackable Synchronous Buck Converter, RVF0040A (LQFN-CLIP-40)RVF0040ATPS546B24ARVFRTexas Instruments
U21800-mA Ultra-Low-Noise, High-PSRR LDO, DNT0012B (WSON-12)DNT0012BLP38798SD-ADJ/NOPBTexas Instruments
C10_P1, C10_P2, C14_P1, C14_P201 μFCAP, CERM, 1 μF, 25 V, ±10%, X7R, 06030603C0603C105K3RACTUKemet
C16_P1, C16_P200.1 μFCAP, CERM, 0.1 μF, 50 V, ±10%, X7R, 06030603C0603C104K5RACTUKemet
C17_P20100 pFCAP, CERM, 100 pF, 50 V, ±5%, C0G/NP0, 06030603GRM1885C1H101JA01DMuRata
C18_P1, C18_P202.2 μFCAP, CERM, 2.2 μF, 16 V, ±10%, X7R, 06030603EMK107BB7225KA-TTaiyo Yuden
C26, C27, C28, C37, C38, C39, C40, C41, C42, C43, C44, C45, C46, C56, C57, C58, C59, C60, C61, C65, C66, C67, C69, C70, C71, C72047 μFCAP, CERM, 47 μF, 10 V, ±10%, X7R, 12101210GRM32ER71A476KE15LMuRata
FID1, FID2, FID3, FID4, FID5, FID60Fiducial mark. There is nothing to buy or mount.N/AN/AN/A
J1, J30Receptacle, 2.54 mm, 6 × 2, Gold, THReceptacle, 2.54 mm, 6 × 2, THSSQ-106-03-G-DSamtec
JP6, JP80Header, 100 mil, 2 × 1, Tin, THHeader, 2 × 1, 100 mil, TH5-146278-2TE Connectivity
R1_P1, R1_P2, R18_P1, R24_P1, R24_P2, R37, R3900RES, 0, 5%, 0.1 W, AEC-Q200 Grade 0, 06030603ERJ-3GEY0R00VPanasonic
R8_P1010.0 kRES, 10.0 k, 1%, 0.1 W, 06030603RC0603FR-0710KLYageo
R10_P1, R10_P2, R11_P1, R11_P2, R12_P1, R12_P2, R20_P1, R20_P2010.5 kRES, 10.5 k, 1%, 0.1 W, AEC-Q200 Grade 0, 06030603CRCW060310K5FKEAVishay-Dale
R13_P1, R13_P2053.6 kRES, 53.6 k, 1%, 0.1 W, AEC-Q200 Grade 0, 06030603CRCW060353K6FKEAVishay-Dale
R19_P2014.7 kRES, 14.7 k, 1%, 0.1 W, AEC-Q200 Grade 0, 06030603ERJ-3EKF1472VPanasonic
R21_P2012.1 kRES, 12.1 k, 1%, 0.1 W, AEC-Q200 Grade 0, 06030603CRCW060312K1FKEAVishay-Dale
TP330Test Point, Multipurpose, Red, THRed Multipurpose Testpoint5010Keystone
TP34_P1, TP34_P2, TP35_P1, TP35_P20Test Point, Miniature, Red, THRed Miniature Testpoint5000Keystone
(1) Unless otherwise noted, all parts can be substituted with equivalents.