SLVUBZ2A September   2020  – December 2020 LM5127-Q1

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Applications
    2. 1.2 Features
  3. 2EVM Setup
    1. 2.1 EVM Characteristics
  4. 3EVM Photo
  5. 4Testing Procedures
    1. 4.1 EVM Connectors and Test Points
  6. 5Test Results
    1. 5.1 Efficiency
    2. 5.2 Thermal Performance
    3. 5.3 Steady State
    4. 5.4 Load Transient
    5. 5.5 Line Transient Responses
  7. 6Schematics, PCB Layers, and Bill of Materials
    1. 6.1 Schematics
    2. 6.2 PCB Layers
    3. 6.3 Bill of Materials
  8. 7EVM Modifications
    1. 7.1 Configure Channel 1 as a Buck Controller
      1. 7.1.1 Component Modifications
      2. 7.1.2 CFG/MODE Pin Selection
    2. 7.2 Configure Channel 2 and Channel 3 as a Dual Phase Buck Controller
      1. 7.2.1 Component Modifications
      2. 7.2.2 CFG/MODE Pin Selection
    3. 7.3 EVM Modification Test Setups
  9. 8Revision History

6.3 Bill of Materials

Table 6-1 lists the EVM bill of materials.

Table 6-1 Bill of Materials
Reference Designator QTY Value Description Package Reference Part Number Manufacturer
C1, C4, C5 3 180uF CAP, Aluminum Polymer, 180 uF, 50 V, +/- 20%, 0.019 ohm, SMD, 2-Leads, Dia 10.5mm, Pin Spacing 8mm SMD SMD, 2-Leads, Dia 10.5mm, Pin Spacing 8mm PCR1H181MCL1GS Nichicon
C6, C17 2 1000pF CAP, CERM, 1000 pF, 50 V, +/- 10%, X7R, 0603 0603 C0603X102K5RACTU Kemet
C7, C8, C9, C10, C11, C12, C13, C14, C15, C19, C35, C36, C37, C56, C57, C58 16 10uF CAP, CERM, 10 µF, 50 V,+/- 10%, X7S, AEC-Q200 Grade 1, 1210 1210 CGA6P3X7S1H106K250AE TDK
C16, C49, C69 3 100pF CAP, CERM, 100 pF, 50 V, +/- 5%, C0G/NP0, 0603 0603 C0603C101J5GACTU Kemet
C18, C30 2 1uF CAP, CERM, 1 uF, 50 V, +/- 10%, X7R, 0603 0603 UMK107AB7105KA-T Taiyo Yuden
C20, C52, C74 3 470pF CAP, CERM, 470 pF, 50 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0402 0402 GCM155R71H471KA37D MuRata
C21, C22, C27, C33, C41, C42, C62, C63 8 0.1uF CAP, CERM, 0.1 uF, 50 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0603 0603 CGA3E2X7R1H104K080AA TDK
C24 1 220pF CAP, CERM, 100 pF, 50 V, +/- 1%, C0G/NP0, 0402 0402 04025A101FAT2A TDK
C25, C31, C34, C55, C76 5 0.1uF CAP, CERM, 0.1 uF, 16 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0402 0402 C0402C104K4RACAUTO Kemet
C26 1 0.047uF CAP, CERM, 0.047 uF, 50 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0402 0402 CGA2B3X7R1H473K050BB TDK
C29 1 10uF CAP, CERM, 10 µF, 16 V,+/- 20%, X6S, AEC-Q200 Grade 2, 0603 0603 GRT188C81C106ME13D MuRata
C32 1 6800pF CAP, CERM, 6800 pF, 50 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0402 0402 CGA2B2X7R1H682K050BA TDK
C38, C39, C40, C59, C60, C61 6 0.01uF CAP, CERM, 0.01 uF, 100 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0603 0603 CGA3E2X7R2A103K080AA TDK
C43, C44, C45, C46, C47, C64, C65, C66, C67, C68 10 22uF CAP, CERM, 22 µF, 25 V,+/- 10%, X7R, 1210 1210 C1210C226K3RAC7800 Kemet
C53, C73 2 220pF CAP, CERM, 220 pF, 50 V,+/- 5%, C0G/NP0, AEC-Q200 Grade 1, 0402 0402 CGA2B2C0G1H221J050BA TDK
C54, C75 2 0.01uF CAP, CERM, 0.01 uF, 16 V, +/- 10%, X7R, 0402 0402 520L103KT16T AT Ceramics
D3, D4 2 60V Diode, Schottky, 60 V, 1 A, SOD-323F SOD-323F PMEG6010CEJ,115 Nexperia
H1, H2, H3, H4 4 Machine Screw, Round, #4-40 x 1/4, Nylon, Philips panhead Screw NY PMS 440 0025 PH B&F Fastener Supply
H5, H6, H7, H8 4 Standoff, Hex, 0.5 Standoff 1902C Keystone
J1 1 TERM BLOCK 2POS 7.62MM PCB HORIZ HDR2 T70243500000G Amphenol Anytek
J2, J16, J17, J19 4 Terminal Block, 5.08 mm, 2x1, TH 2POS Terminal Block 1715721 Phoenix Contact
J3, J14, J18, J20 4 Header, 100mil, 2x1, Tin, TH Header 2x1 90120-0122 Molex
J4, J6, J7, J8, J12, J13 6 Header, 100mil, 3x1, Gold, TH PBC03SAAN PBC03SAAN Sullins Connector Solutions
J5 1 Header, 100mil, 3x2, Tin, TH 3x2 Header PEC03DAAN Sullins Connector Solutions
J9, J10, J11 3 TEST POINT SLOTTED .118 Test point, TH Slot Test point 1040 Keystone
J15 1 Header, 2.54mm, 8x2, Gold, TH Header, 2.54mm, 8x2, TH PRPC008DAAN-RC Sullins Connector Solutions
L1 1 300nH Inductor, Shielded, Composite, 300 nH, 27.6 A, 0.00175 ohm, SMD XAL7030 XAL7030-301MEB Coilcraft
L2, L3 2 2.2uH Inductor, Shielded, Composite, 2.2 uH, 16 A, 0.0067 ohm, AEC-Q200 Grade 1, SMD 6.36x6.56mm XEL6060-222MEB Coilcraft
Q1, Q2, Q5, Q9 4 60V MOSFET, N-CH, 60 V, 100 A, AEC-Q101, SO-8FL SO-8FL NVMFS5C645NLWFAFT1G ON Semiconductor
Q7, Q11 2 60V MOSFET, N-CH, 60 V, 17 A, AEC-Q101, SO-8FL SO-8FL NVMFS5C670NLWFAFT1G ON Semiconductor
R1 1 0.0015 RES, 0.0015, 5%, 2 W, 2512 WIDE 2512 WIDE PML100HZPJV1L5 Rohm
R3, R9, R36 3 0 RES, 0, 5%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 ERJ-3GEY0R00V Panasonic
R4, R28, R52, R67 4 0 RES, 0, 5%, 0.1 W, AEC-Q200 Grade 0, 0402 0402 ERJ-2GE0R00X Panasonic
R5, R51, R66 3 100 RES, 100, 5%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW0402100RJNED Vishay-Dale
R8, R44, R49, R59, R65 5 1.5 RES, 1.5, 5%, 0.1 W, 0603 0603 ERJ-3GEYJ1R5V Panasonic
R10 1 49.9 RES, 49.9, 1%, 0.1 W, AEC-Q200 Grade 0, 0402 0402 ERJ-2RKF49R9X Panasonic
R13 1 100k RES, 100 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW0402100KFKED Vishay-Dale
R16 1 47.5k RES, 47.5 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW040247K5FKED Vishay-Dale
R20 1 6.19k RES, 6.19 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW04026K19FKED Vishay-Dale
R22 1 14.3k RES, 14.3 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW040214K3FKED Vishay-Dale
R24, R25, R26 3 49.9k RES, 49.9 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW060349K9FKEA Vishay-Dale
R27 1 1.65k RES, 1.65 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW04021K65FKED Vishay-Dale
R29, R57, R72 3 57.6k RES, 57.6 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW060357K6FKEA Vishay-Dale
R30, R31, R32 3 4.99k RES, 4.99 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW06034K99FKEA Vishay-Dale
R33 1 0 RES, 0, 5%, 2 W, 2512 WIDE 2512 WIDE RCL12250000Z0EG Vishay Draloric
R34 1 1.00k RES, 1.00 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW06031K00FKEA Vishay-Dale
R35 1 49.9k RES, 49.9 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW040249K9FKED Vishay-Dale
R37 1 9.53k RES, 9.53 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW06039K53FKEA Vishay-Dale
R38 1 19.1k RES, 19.1 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW060319K1FKEA Vishay-Dale
R39 1 29.4k RES, 29.4 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW060329K4FKEA Vishay-Dale
R40 1 41.2k RES, 41.2 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW060341K2FKEA Vishay-Dale
R41 1 54.9k RES, 54.9 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW060354K9FKEA Vishay-Dale
R42 1 71.5k RES, 71.5 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW060371K5FKEA Vishay-Dale
R43 1 90.9k RES, 90.9 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW060390K9FKEA Vishay-Dale
R46, R68 2 1.00k RES, 1.00 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW04021K00FKED Vishay-Dale
R47, R62 2 5m 5 mOhms ±1% 1W Chip Resistor Wide 0805 (2012 Metric), 0508 Automotive AEC-Q200, Current Sense Metal Foil 0805_WIDE KRL2012E-M-R005-F-T5 Susumu
R56, R69 2 4.99k RES, 4.99 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW04024K99FKED Vishay-Dale
SH-J1, SH-J2, SH-J3, SH-J4, SH-J5, SH-J6, SH-J7 7 CONN JUMPER S2 (1 x 2) Position Shunt Connector Black Open Top 0.100 JUMPER QPC02SXGN-RC Sullins
TP1, TP2, TP10, TP12, TP14, TP20 6 Test Point, Miniature, Red, TH Red Miniature Testpoint 5000 Keystone
TP3, TP4, TP11, TP13, TP17, TP22 6 Test Point, Miniature, Black, TH Black Miniature Testpoint 5001 Keystone
TP7 1 Test Point, Miniature, Yellow, TH Yellow Miniature Testpoint 5004 Keystone
TP8, TP18, TP23 3 Test Point, Miniature, White, TH White Miniature Testpoint 5002 Keystone
U1 1 2.2MHz Wide VIN Automotive Front-stage Multi-rail DC/DC VQFN48 LM5127QRTCRQ1 Texas Instruments