SNVU797D April   2022  – June 2025 LM5177

 

  1.   1
  2.   Description
  3.   Features
  4.   4
  5. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
  6. 2Hardware
    1. 2.1 Connector, Test Point, and Selection Switch Descriptions
      1. 2.1.1 Connector Descriptions
      2. 2.1.2 Jumper Descriptions
      3. 2.1.3 Test Point Descriptions
      4. 2.1.4 Selection Switch Descriptions
        1. 2.1.4.1 S1 and S2 CFG setting
      5. 2.1.5 Current Monitor and Current Limiter Configuration
        1. 2.1.5.1 Current Monitor and Current Limiter Configuration
        2. 2.1.5.2 Current Limiter Configuration
    2. 2.2 Test Setup and Procedure
      1. 2.2.1 Test Setup
      2. 2.2.2 Test Procedure
      3. 2.2.3 Precautions
  7. 3Implementation Results
    1. 3.1 Test Data and Performance Curves
      1. 3.1.1 Thermal Performance
      2. 3.1.2 Efficiency
      3. 3.1.3 Steady State Waveforms
      4. 3.1.4 Step Load Response
  8. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 Optional Components
    3. 4.3 Board Layout
    4. 4.4 Bill of Materials
  9. 5Additional Information
    1. 5.1 Trademarks
  10. 6Revision History

4.4 Bill of Materials

Table 4-2 Bill of Materials
Designator Quantity Description Part Number Manufacturer
C1, C7, C28, C29, C31, C32 6 0.1µF ±10% 50V Ceramic Capacitor X8L 0603 (1608 Metric) GCM188L81H104KA57D Murata Electronics North America
C2, C3, C8, C9, C10, C11, C12, C14 8 Ceramic Capacitor for Automotive 10uF ±10% 50VDC X7S 1210 Embossed T/R GCM32EC71H106KA03L Murata
C5, C13 2 CAP, Aluminum Polymer, 100uF, 63V, +/- 20%, 0.024ohm, SMD, 2-Leads, Dia 10.5mm, Pin Spacing 8mm SMD PCR1J101MCL1GS Nichicon
C17 1 CAP, CERM, 47uF, 6.3V, +/- 20%, X5R, 0603 GRM188R60J476ME15D Murata
C18 1 CAP, CERM, 0.22uF, 50V, +/- 10%, X7R, AEC-Q200 Grade 1, 0603 CGA3E3X7R1H224K080AB TDK
C19 1 CAP, CERM, 2200pF, 100V, +/- 5%, X7R, 0603 06031C222JAT2A AVX
C20 1 Ceramic Capacitor for Automotive 18nF ±5% 50VDC C0G 0805 Embossed T/R GCM21B5C1H183JA16L Murata
C21 1 CAP, CERM, 100pF, 50V,+/- 5%, C0G/NP0, AEC-Q200 Grade 1, 0603 GCM1885C1H101JA16J Murata
C22, C23 2 CAP, CERM, 680pF, 50V, +/- 5%, C0G/NP0, 0805 GRM2165C1H681JA01D Murata
C24, C25, C26, C27 4 CAP, CERM, 0.1µF, 50V,+/- 10%, X7R, 0402 0402BB104KW500 Passive Plus
J1, J2, J3, J4 4 Standard Banana Jack, Uninsulated, 15A 108-0740-001 Cinch Connectivity
J5, J6 2 Header, 2.54mm, 6x1, Gold, TH 61300611121 Wurth Elektronik
J7, J8, J9, J10 4 Header, 2.54mm, 2x1, Gold, TH 61300211121 Wurth Elektronik
J11, JP1, JP2, JP3, JP5 5 Header, 2.54mm, 3x1, Gold, TH 61300311121 Wurth Elektronik
JP4 1 Header, 2.54mm, 3x2, Gold, TH HTSW-103-07-G-D Samtec
JP6 1 Header, 2.54mm, 5x1, Gold, TH 61300511121 Wurth Elektronik
L1 1 Inductor, Shielded, Powdered Iron, 1.8uH, 24A, 0.0032 ohm, SMD IHLP5050FDER1R8M01 Vishay-Dale
Q1, Q2, Q3, Q4 4 MOSFET, N-CH, 40V, 75A, PowerPAK_SO-8L SQJ422EP-T1-GE3 Vishay-Siliconix
R1 1 RES, 71.5 k, 1%, 0.1 W, 0603 RC0603FR-0771K5L Yageo
R2 1 RES, 4.70 k, 1%, 0.1 W, 0603 RC0603FR-074K7L Yageo
R3, R4, R5, R6 4 4 mOhms ±1% 1W Chip Resistor Wide 0805 (2012 Metric), 0508 Automotive AEC-Q200, Current Sense Metal Foil KRL2012E-M-R004-F-T5 Susumu
R7, R8, R9, R10, R13, R39 6 RES, 3.0, 5%, 0.1 W, AEC-Q200 Grade 0, 0603

CRCW06033R00JNEA

 Vishay-Dale
R11, R12 2 RES, 100, 1%, 0.25 W, AEC-Q200 Grade 0, 0603

CRCW0603100RFKEAHP

 Vishay-Dale
R14 1 RES, 75.0 k, 1%, 0.1 W, 0603

RC0603FR-0775KL

 Yageo
R15 1 RES, 39.0 k, 1%, 0.1 W, 0603 RC0603FR-0739KL Yageo
R16 1 RES, 10.0 k, 0.1%, 0.1 W, 0603 RT0603BRD0710KL Yageo America
R17 1 RES, 82.0 k, 1%, 0.1 W, 0603 RC0603FR-0782KL Yageo
R18, R40, R41, R42, R43, R44, R46, R47, R48, R49, R50 11 RES, 0, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 RMCF0603ZT0R00 Stackpole Electronics Inc
R19 1 RES, 2.00 k, 1%, 0.1 W, 0603 RC0603FR-072KL

Yageo
R20 1 RES, 68.1 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 CRCW060368K1FKEA

Vishay-Dale
R21 1 RES, 78.7 k, 1%, 0.1 W, 0603 RC0603FR-0778K7L Yageo
R24 1 RES, 511, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 CRCW0603511RFKEA Vishay-Dale
R25 1 RES, 1.15 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 CRCW06031K15FKEA Vishay-Dale
R26 1 RES, 1.87 k, 1%, 0.1 W, 0603 RC0603FR-071K87L Yageo
R27 1 RES, 2.70 k, 1%, 0.1 W, 0603 RC0603FR-072K7L Yageo
R28 1 RES, 3.83 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 CRCW06033K83FKEA Vishay-Dale
R29 1 RES, 5.10 k, 1%, 0.1 W, 0603 RC0603FR-075K1L Yageo
R30 1 RES, 6.49 k, 1%, 0.1 W, 0603 RC0603FR-076K49L Yageo
R31 1 RES, 8.25 k, 1%, 0.1 W, 0603 RC0603FR-078K25L Yageo
R32 1 RES, 10.5 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 CRCW060310K5FKEA Vishay-Dale
R33 1 RES, 13.3 k, 1%, 0.1 W, 0603 RC0603FR-0713K3L Yageo
R34 1 RES, 16.2 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 CRCW060316K2FKEA Vishay-Dale
R35 1 RES, 20.5 k, 1%, 0.1 W, 0603 RC0603FR-0720K5L Yageo
R36 1 RES, 24.9 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 CRCW060324K9FKEA Vishay-Dale
R37 1 RES, 30.1 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 CRCW060330K1FKEA Vishay-Dale
R38 1 RES, 35.7 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 CRCW060335K7FKEA Vishay-Dale
R45 1 RES, 10.0, 1%, 0.1 W, 0603 RC0603FR-0710RL Yageo
S1, S2 2 Switch, SPST, 8 Pos, 25mA, 24VDC, SMD 218-8LPST CTS Electrocomponents
SH-JP1, SH-JP2, SH-JP3, SH-JP4, SH-JP5 5 Single Operation 2.54mm Pitch Open Top Jumper Socket M7582-05 Harwin
TP1 1 Test Point, Multipurpose, Red, TH 5010 Keystone Electronics
TP2, TP8 2 Test Point, Multipurpose, Orange, TH 5013 Keystone Electronics
TP3, TP4 2 Test Point, Multipurpose, Black, TH 5011 Keystone Electronics
TP5, TP6 2 Test Point, Multipurpose, White, TH 5012 Keystone Electronics
TP7 1 Test Point, Multipurpose, Grey, TH 5128 Keystone Electronics
TP9, TP10, TP11 3 Test Point, Miniature, Yellow, TH 5004 Keystone Electronics
U1 1 Wide VIN Bidirectional 4 Switch Buck-Boost Controller LM5177DCPR Texas Instruments
C4 0 Ceramic Capacitor for Automotive 10uF ±10% 50VDC X7S 1210 Embossed T/R GCM32EC71H106KA03L Murata
C6, C15 0 CAP, Aluminum Polymer, 100uF, 63V, +/- 20%, 0.024 ohm, SMD, 2-Leads, Dia 10.5mm, Pin Spacing 8mm SMD PCR1J101MCL1GS Nichicon
C16 0 CAP, CERM, 20pF, 100V, +/- 5%, C0G/NP0, 0603 GRM1885C2A200JA01D Murata
C30 0 CAP, CERM, 0.1µF, 50V,+/- 10%, X7R, 0402 0402BB104KW500 Passive Plus
C33 0 CAP, CERM, 2200pF, 100V, +/- 5%, X7R, 0603 06031C222JAT2A AVX
C34, C35, C36 0 CAP, CERM, 1000pF, 100V, +/- 5%, X7R, 0603 06031C102JAT2A AVX
C37 0 CAP, CERM, 150pF, 50V, +/- 5%, C0G/NP0, 0603 GRM1885C1H151JA01D Murata
C38, C39, C40, C41 0 CAP, CERM, 0.01uF, 100V, +/- 10%, X7R, 0603 GRM188R72A103KA01D Murata
C42 0 CAP, CERM, 0.018uF, 100V, +/- 10%, X7R, 0603 C0603C183K1RACTU Kemet
D1, D2 0

Diode, Schottky, 60V, 5A, SMC

 B560C-13-F Diodes Inc.
D3, D4 0 Diode, Schottky, 60V, 1A, SOD-323F PMEG6010CEJ,115 Nexperia
FID1, FID2, FID3, FID4, FID5, FID6 0 Fiduciary mark. There is nothing to buy or mount. N/A N/A
H1, H2, H3, H4 0 Machine Screw, Round, #4-40 x 1/4, Nylon, Philips panhead NY PMS 440 0025 PH B&F Fastener Supply
H5, H6, H7, H8 0 Standoff, Hex, 0.5"L #4-40 Nylon 1902C Keystone
J12 0 Header (shrouded), 100mil, 5x2, High-Temperature, Gold, TH N2510-6002-RB 3M
Q5 0 Transistor, PNP, 45V, 0.5A, AEC-Q101, SOT-23 BC807-40LT1G ON Semiconductor
R22, R23 0 RES, 2.00 k, 1%, 0.1 W, 0603 RC0603FR-072KL Yageo
R51, R52 0 RES, 0, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 RMCF0603ZT0R00 Stackpole Electronics Inc
R53 0 RES, 100 k, 1%, 0.1 W, 0603 RC0603FR-07100KL Yageo
R54 0 RES, 4.70 k, 1%, 0.1 W, 0603 RC0603FR-074K7L

Yageo
R55, R57 0 RES, 10.0 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 CRCW060310K0FKEA Vishay-Dale
R56, R58 0 RES, 10.0, 1%, 0.1 W, 0603 RC0603FR-0710RL Yageo
TP12, TP13, TP14, TP15 0 Test Point, Miniature, Yellow, TH 5004 Keystone Electronics
TP16, TP17 0 Test Point, Miniature, Black, TH 5001 Keystone Electronics
U2 0 Low-Voltage Adjustable Precision Shunt Regulator, 129ppm / degC, 80mA, 0 to 70 degC, 3-pin SOT-23 (DBZ), Green (RoHS and no Sb/Br) TLVH432ACDBZR Texas Instruments
Table 4-3 Alternate Parts
Designator Part Number Alternate Part Number
C24, C25, C26, C27 0402BB104KW500 CL10B104JB8NNNC GRM155R71H104ME14D GRM155R71H104KE14D
R24 CRCW0603511RFKEA RMCF0603FT511R
C20 GCM21B5C1H183JA16L GRM21B5C1H183JA01L

GRM21B5C1H183JA01K
Q1, Q2, Q3, Q4 SQJ422EP-T1-GE3 BSC032N04LS