SNVU628 February   2020 LM5155 , LM5155-Q1 , LM51551 , LM51551-Q1

 

  1.   LM5155EVM-SEPIC User's Guide
    1.     Trademarks
    2. 1 Features and Electrical Performance
      1. 1.1 Electrical Parameters
      2. 1.2 EVM Power Derating Curve
      3. 1.3 Terminals and Signal Test Points
    3. 2 Application Schematic
    4. 3 EVM Picture
    5. 4 Test Setup and Procedure
      1. 4.1 Bench Setup
      2. 4.2 Test Equipment
      3. 4.3 Precautions
    6. 5 Test Data
      1. 5.1 Efficiency
      2. 5.2 Output Regulation
      3. 5.3 Typical Power Up
      4. 5.4 Output Ripple Voltage
      5. 5.5 Coupled Inductor Currents
      6. 5.6 Dynamic DIR Change
      7. 5.7 Step Load Response
      8. 5.8 Bode Plots
      9. 5.9 Overloading Hiccup Mode
    7. 6 Design Files
      1. 6.1 Schematics
      2. 6.2 Bill of Materials
      3. 6.3 Board Layout

6.2 Bill of Materials

Table 3. LM5155EVM-SEPIC Bill of Materials

Designator Quantity Description Part Number Manufacturer
!PCB1 1 Printed Circuit Board BMC030 Any
C1, C2, C3, C5, C6, C7, C8, C9 8 CAP, CERM, 10 uF, 50 V, +/- 10%, X7R, 1210 GRM32ER71H106KA12L MuRata
C4 1 CAP, CERM, 2.2 uF, 100 V, +/- 10%, X7R, AEC-Q200 Grade 1 CGA6N3X7R2A225K230AB TDK
C10 1 CAP, CERM, 1 uF, 50 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0805 CGA4J3X7R1H105K125AB TDK
C12 1 CAP, CERM, 100 pF, 50 V,+/- 1%, C0G/NP0, 0603 C0603C101F5GACTU Kemet
C13 1 CAP, CERM, 1 uF, 16 V, +/- 20%, X7R, AEC-Q200 Grade 1, 0603 GCM188R71C105MA64D MuRata
C14 1 CAP, CERM, 0.01 uF, 50 V, +/- 5%, C0G/NP0, AEC-Q200 Grade 1, 0603 CGA3E2C0G1H103J080AA TDK
C15 1 CAP, CERM, 100 pF, 100 V, +/- 5%, C0G/NP0, AEC-Q200 Grade 1, 0603 GCM1885C2A101JA16D MuRata
C16 1 CAP, CERM, 0.22 uF, 25 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0603 GCM188R71E224KA55D MuRata
C17 1 CAP, CERM, 0.033 uF, 50 V, +/- 5%, X7R, 0603 06035C333JAT2A AVX
C18 1 CAP, CERM, 1200 pF, 100 V, +/- 5%, C0G/NP0, 0603 GRM1885C2A122JA01D MuRata
D1 1 Diode, Schottky, 60 V, 10 A, AEC-Q101, CFP15 PMEG060V100EPDZ Nexperia
L1 1 Coupled inductor, 1.5 uH, 17.5 A, 0.012 ohm, SMD 7448700015 Wurth Elektronik
Q1 1 MOSFET, N-CH, 60 V, 100 A, AEC-Q101, SO-8FL NVMFS5C645NLWFAFT1G ON Semiconductor
R1, R2 2 RES, 0, 5%, 0.1 W, AEC-Q200 Grade 0, 0603 ERJ-3GEY0R00V Panasonic
R3 1 RES, 100, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 ERJ-3EKF1000V Panasonic
R4 1 RES, 0.01, 1%, 1 W, 1508 RL3720WT-R010-F Susumu Co Ltd
R5 1 RES, 0, 5%, 0.1 W, 0603 RC0603JR-070RL Yageo
R6 1 RES, 30.1 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 CRCW060330K1FKEA Vishay-Dale
R7 1 RES, 24.9 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 CRCW060324K9FKEA Vishay-Dale
R8 1 RES, 34.0 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 CRCW060334K0FKEA Vishay-Dale
R9 1 RES, 51.0 k, 1%, 0.1 W, 0603 RC0603FR-0751KL Yageo
R10 1 RES, 9.09 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 CRCW06039K09FKEA Vishay-Dale
R11 1 RES, 4.64 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 CRCW06034K64FKEA Vishay-Dale
R12 1 RES, 2.32 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 CRCW06032K32FKEA Vishay-Dale
TP1, TP2 2 Test Point, Miniature, Red, TH 5000 Keystone
TP3, TP4 2 Test Point, Miniature, Black, TH 5001 Keystone
U1 1 Automotive Grade 2.2-MHz Wide Input Non-synchronous Boost Controller, DSS0012C (WSON-12) LM5155QDSSRQ1 Texas Instruments
C11 0 CAP, CERM, 2.2 uF, 100 V, +/- 10%, X7R, AEC-Q200 Grade 1 CGA6N3X7R2A225K230AB TDK