SNVU918 October   2024 LM68645-Q1

 

  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
    4. 1.4 Device Information
  6. 2Hardware
    1. 2.1 Additional Images
    2. 2.2 Power Requirements
    3. 2.3 Setup and Operation
  7. 3Implementation Results
    1. 3.1 Evaluation Setup
    2. 3.2 Performance Data and Results
  8. 4Hardware Design Files
    1. 4.1 Schematics
    2. 4.2 PCB Layouts
    3. 4.3 Bill of Materials (BOM)
  9. 5Additional Information
    1. 5.1 Trademarks

4.3 Bill of Materials (BOM)

Table 4-1 LM68645EVM BOM (With Options)
DesignatorAliasQuantityValueDescriptionPart Number
C3, C422.2µFChip Multilayer Ceramic Capacitor for General Purpose 2.2uF ±20% 100V X7T SMD 0805GRM21BD72A225ME01K
C51100uFCAP, AL, 100uF, 63V, +/– 20%, 0.35 ohm, AEC-Q200 Grade 2, SMDEEE-FK1J101P
C6, C720.1uFCAP, CERM, 0.1µF, 100V,+/– 10%, X7R, AEC-Q200 Grade 1, 0603HMK107B7104KAHT
C8, C924.7µF4.7µF ±10% 100V Ceramic Capacitor X7S 1206 (3216 Metric)GRM31CC72A475KE11L
C10CVCC11µFCap Ceramic 1uF 16V X7R 20% Pad SMD 0603 +125°C Automotive T/RCGA3E1X7R1C105M080AC
C12Cboot10.1uFCAP, CERM, 0.1uF, 25V, +/– 20%, X7R, 0402C1005X7R1E104M050BB
C13, C14, C15347µFChip Multilayer Ceramic Capacitors for General Purpose, 1210, 47uF, X6S, 22%, 10%, 16VGRM32EC81C476KE15K
C171100nFChip Multilayer Ceramic Capacitors for General Purpose, 0402, 0.10uF, X7R, 15%, 10%, 25VGRM155R71E104KE14J
L118.2uH8.2µH Shielded Inductor 10.1A 16.8mOhm Max NonstandardXGL6060-822MEC
R1Rpg1100kRES, 100k, 1%, 0.1W, 0603RC0603FR-07100KL
R2Rvin 10RES, 0, 1%, 0.1W, AEC-Q200 Grade 0, 0603RMCF0603ZT0R00
R6Rfb21
R10Rbias1
R1110RES, 0, 1%, 0.5W, 12065108
R12 Rflt 1 19.1k RES, 19.1 k, 1%, 0.1 W, 0603 RC0603FR-0719K1L
R14 Rsnsh 1 4.99k RES, 4.99 k, 1%, 0.1 W, 0603 CRCW06034K99FKEA
R16 Rmode 1 150k Res Thin Film 0805 150K Ohm 0.1% 1/8W ±25ppm/°C Molded SMD SMD Punched Carrier T/R ERA-6AEB154V
U11Synchronous Step-Down Voltage Regulator, WQFN-FCRLF20LM65645SRZTRQ1
C1, C2, C19, C20010µF10µF ±10% 100V Ceramic Capacitor X6S 1206 (3216 Metric)C3216X6S2A106K160AC
C11Cbias00.1uFCAP, CERM, 0.1uF, 25V, +/– 10%, X7R, 060306033C104KAT2A
C16047µFChip Multilayer Ceramic Capacitors for General Purpose, 1210, 47uF, X6S, 22%, 10%, 16VGRM32EC81C476KE15K
C18Cff03pFCAP, CERM, 3pF, 50V, +/– 8.3%, C0G/NP0, 0603C0603C309C5GACTU
L2010uH10µH Shielded Molded Inductor 5.7A 48.4mOhm Max NonstandardXGL5030-103MEC
R3 Rent0100kRES, 100k, 1%, 0.1W, 0603RC0603FR-07100KL
R8 Rfbt
R4Renb018.7kRES, 18.7k, 1%, 0.1W, 0603RC0603FR-0718K7L
R5RT014.3kRES, 14.3k, 1%, 0.1W, 0603RC0603FR-0714K3L
R7Rinj051.0RES, 51.0, 1%, 0.1W, 0603RC0603FR-0751RL
R9Rfbb00RES, 0, 1%, 0.1W, AEC-Q200 Grade 0, 0603RMCF0603ZT0R00
R15 Rsnsl 0 19.1k RES, 19.1 k, 1%, 0.1 W, 0603 RC0603FR-0719K1L