SLVUCY3 October   2024 LM65680-Q1

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  7. 2Hardware
    1. 2.1 Test Setup and Procedure
      1. 2.1.1 EVM Connections
      2. 2.1.2 Test Equipment
      3. 2.1.3 Recommended Test Setup
        1. 2.1.3.1 Input Connections
        2. 2.1.3.2 Output Connections
      4. 2.1.4 Test Procedure
        1. 2.1.4.1 Line, Load Regulation, and Efficiency
  8. 3Implementation Results
    1. 3.1 Performance Data and Results
      1. 3.1.1 EVM Characteristics
      2. 3.1.2 Conversion Efficiency
      3. 3.1.3 Operating Waveforms
        1. 3.1.3.1 Switching
        2. 3.1.3.2 Load Transient Response
        3. 3.1.3.3 Short-Circuit Recovery
        4. 3.1.3.4 Start-Up and Shutdown With EN
        5. 3.1.3.5 Start-Up With VIN
      4. 3.1.4 Bode Plot
      5. 3.1.5 CISPR 25 EMI Performance
      6. 3.1.6 Thermal Performance
  9. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 PCB Layout
      1. 4.2.1 Component Drawings
      2. 4.2.2 Multi-Layer Stackup
    3. 4.3 Bill of Materials
  10. 5Compliance Information
    1. 5.1 Compliance and Certifications
  11. 6Related Documentation
    1. 6.1 Supplemental Content
      1. 6.1.1 Development Support
      2. 6.1.2 PCB Layout Resources
      3. 6.1.3 Thermal Design Resources
  12. 7Additional Information
    1. 7.1 Trademarks

4.3 Bill of Materials

Table 4-1 Component BOM
REF DESQTYVALUEDESCRIPTIONPACKAGEPART NUMBERMANUFACTURER
C1, C10, C11, C24 4 0.1µF CAP, CERM, 0.1µF, 100V, +/- 10%, X7R, AEC-Q200 Grade 1, 0603 0603 GCJ188R72A104KA01D MuRata
C2, C3, C4, C8, C9, C27, C28 7 4.7µF CAP, CERM, 4.7µF, 100V, +/- 10%, X7S, AEC-Q200 Grade 1, 1210 1210 GCM32DC72A475KE02L MuRata
C5, C6, C25, C26 4 0.1µF CAP, CERM, 0.1µF, 100V, +/- 10%, X7R, AEC-Q200 Grade 1, 0805 0805 CGA4J2X7R2A104K125AA TDK
C7 1 68µF CAP, AL, 68µF, 80V, +/- 20%, 0.32ohm, AEC-Q200 Grade 2, SMD SMT Radial H13 EEV-FK1K680Q Panasonic
C12 1 1µF CAP, CERM, 1µF, 16V, +/- 20%, X7R, AEC-Q200 Grade 1, 0603 0603 GCM188R71C105MA64D MuRata
C13 1 0.47µF CAP, CERM, 0.47µF, 50V, +/- 10%, X7R, AEC-Q200 Grade 1, 0603 0603 CGA3E3X7R1H474K080AB TDK
C14, C17 2 0.1µF CAP, CERM, 0.1µF, 50V, +/- 10%, X7R, AEC-Q200 Grade 1, 0402 0402 CGA2B3X7R1H104K050BB TDK
C15 1 2.2nF Ceramic Capacitor Automotive 2200pF ±10% 50V X7R 0603 0603 UMJ107AB7222KAHT Taiyo Yuden
C18 1 10pF CAP, CERM, 10pF, 50V, +/- 5%, C0G/NP0, 0603 0603 CGA3E2C0G1H100D080AA TDK
C19, C20 2 47µF Ceramic Capacitor for Automotive 47µF ±10% 10VDC X7S 1210 Embossed T/R 1210 GCM32EC71A476KE02K Murata
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"L #4-40 Nylon Standoff 1902C Keystone
J1, J4 2 Terminal Block, 5mm, 2x1, Tin, TH Terminal Block, 5mm, 2x1, TH 691 101 710 002 Wurth Elektronik
J3 1 Header, 100mil, 16x1, Gold, TH 16x1 Header TSW-116-07-G-S Samtec
L1 1 Coupled inductor, 7.6µH, 700ohm, AEC-Q200 Grade 1, SMD 12x11mm ACM12V-701-2PL-TL00 TDK
L2, L3 2 3.3µH Shielded Power Inductors 3.3uH 20% tol, 6.5mOhm 16.6A SMT_6MM51_6MM71 XGL6060-332MEC Coilcraft
R1, R15, R18 3 0 RES, 0, 1%, 0.1W, AEC-Q200 Grade 0, 0603 0603 RMCF0603ZT0R00 Stackpole Electronics Inc
R2 1 150k RES, 150k, 1%, 0.063W, AEC-Q200 Grade 0, 0402 0402 CRCW0402150KFKED Vishay-Dale
R3 1 40.2k RES, 40.2k, 1%, 0.1W, AEC-Q200 Grade 0, 0603 0603 CRCW060340K2FKEA Vishay-Dale
R4 1 8.66k RES, 8.66k, 1%, 0.1W, 0603 0603 RC0603FR-078K66L Yageo
R5 1 187k RES, 187k, 1%, 0.1W, AEC-Q200 Grade 0, 0603 0603 CRCW0603187KFKEA Vishay-Dale
R6, R8 2 49.9k 49.9kOhms ±1% 0.1W, 1/10W Chip Resistor 0603 (1608 Metric) Automotive AEC-Q200 Thick Film 0603 CRCW060349K9FKEA Vishay
R7 1 150k RES, 150k, 1%, 0.1W, AEC-Q200 Grade 0, 0603 0603 CRCW0603150KFKEA Vishay-Dale
R14 1 100k RES, 100k, 1%, 0.1W, AEC-Q200 Grade 0, 0603 0603 CRCW0603100KFKEA Vishay-Dale
R16 1 49.9k RES, 49.9, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 0603 CRCW060349R9FKEA Vishay-Dale
R17 1 78.7k 78.7kOhms ±0.5% 0.1W, 1/10W Chip Resistor 0603 (1608 Metric) Automotive AEC-Q200 Thick Film 0603 ERJ-3RBD7872V Panasonic
R19 1 15k 15kOhms ±0.1% 0.15W Chip Resistor 0603 (1608 Metric) Anti-Sulfur, Automotive AEC-Q200 Thin Film 0603 RQ73C1J15KBTD TE Connectivity
SH-J1, SH-J2, SH-J3, SH-J4, SH-J5 5 1x2 Shunt, 100mil, Gold plated, Black Shunt SNT-100-BK-G Samtec
TP1, TP2, TP3, TP5, TP6 5 Test Point, Miniature, SMT Test Point, Miniature, SMT 5019 Keystone
VIN_S 1 Testpoint_Keystone_Miniature Test Point, Miniature, SMT 5015 Keystone
U1 1 70V, 8A Automotive Buck Converters Optimized for Low EMI and High Power Density VQFN-FCRLF26 LM65680RZYRQ1 Texas Instruments
C16 0 10pF CAP, CERM, 10pF, 50V, +/- 5%, C0G/NP0, 0603 0603 GRM1885C1H100JA01D Murata
C21, C22 0 47µF Ceramic Capacitor for Automotive 47µF ±10% 10VDC X7S 1210 Embossed T/R 1210 GCM32EC71A476KE02K Murata
C23 0 82µF CAP, Aluminum Polymer, 82µF, 16V, +/- 20%, 0.03ohm 1210 875105344009 Wurth Elektronik
R10 0 78.7k 78.7kOhms ±0.5% 0.1W, 1/10W Chip Resistor 0603 (1608 Metric) Automotive AEC-Q200 Thick Film 0603 ERJ-3RBD7872V Panasonic
R11 0 15k 15kOhms ±0.1% 0.15W Chip Resistor 0603 (1608 Metric) Anti-Sulfur, Automotive AEC-Q200 Thin Film 0603 RQ73C1J15KBTD TE Connectivity
R12 0 49.9k 49.9kOhms ±1% 0.1W, 1/10W Chip Resistor 0603 (1608 Metric) Automotive AEC-Q200 Thick Film 0603 CRCW060349K9FKEA Vishay