SLVUCH5 july   2023 LMQ644A2-Q1

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1EVM Description
    1. 1.1 Features and Electrical Performance
  5. 2EVM Performance and Specifications
  6. 3EVM Photo
  7. 4Test Setup and Procedure
    1. 4.1 EVM Connections
    2. 4.2 Test Equipment
    3. 4.3 EVM Setup
      1. 4.3.1 Input Connections
      2. 4.3.2 Output Connections
  8. 5Test Data and Performance Curves
    1. 5.1 Efficiency and Load Regulation Performance
    2. 5.2 Waveforms and Plots
    3. 5.3 EMI Performance
    4. 5.4 Thermal Performance
  9. 6EVM Documentation
    1. 6.1 Schematic
    2. 6.2 Bill of Materials
    3. 6.3 PCB Layout
  10. 7Device and Documentation Support
    1. 7.1 Device Support
      1. 7.1.1 Development Support
        1. 7.1.1.1 Custom Design With WEBENCH® Tools
    2. 7.2 Documentation Support
      1. 7.2.1 Related Documentation

6.2 Bill of Materials

Table 6-1 Component BOM
REF DESQTYVALUEDESCRIPTIONPACKAGEPART NUMBERMANUFACTURER
C1 1 47 uF CAP, AL, 47 uF, 50 V, +/- 20%, SMD D6.3xL7.7mm 865080645012 Wurth Elektronik
C2, C3, C6, C7, C29, C38, C39 7 0.1 uF CAP, CERM, 0.1 uF, 50 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0402 402 GCM155R71H104KE02D MuRata
C4, C5, C8, C9 4 10 uF CAP, CERM, 10 uF, 50 V, +/- 10%, X7R, 1206 1206 CL31B106KBHNNNE Samsung
C10, C18 2 0.1 uF CAP, CERM, 0.1 uF, 16 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0402 402 C0402C104K4RACAUTO Kemet
C11, C20 2 22 uF CAP, CERM, 22 µF, 16 V,+/- 20%, X7S, 1206 1206 GRM31CC71C226ME11L MuRata
C12, C21 2 47 uF CAP, CERM, 47 uF, 10 V, +/- 20%, X7R, 1210 1210 GRM32ER71A476ME15L MuRata
C15, C24 2 1 uF CAP, CERM, 1 uF, 25 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0603 603 GCM188R71E105KA64D MuRata
C16, C25 2 0.022 uF CAP, CERM, 0.022 uF, 50 V, +/- 10%, X7R, 0603 603 C0603C223K5RACTU Kemet
C17, C26 2 0.15 uF CAP, CERM, 0.15 uF, 50 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0603 603 CGA3E3X7R1H154K080AB TDK
C19 1 1 uF CAP, CERM, 1 uF, 16 V, +/- 20%, X7R, AEC-Q200 Grade 1, 0603 603 GCM188R71C105MA64D MuRata
C30, C32, C33 3 0.022 uF CAP, CERM, 0.022 uF, 50 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0402 402 CGA2B3X7R1H223K050BB TDK
C31, C34, C35, C36, C37 5 2.2 uF CAP, CERM, 2.2 uF, 50 V, +/- 20%, X7R, 0805 805 C2012X7R1H225M125AC TDK
FB1 1 100 Ohms at 100 MHz 1 Power Line Ferrite Bead 3312 (8531 Metric) 10 A 4mOhm 3312 78279225101 Wurth Electronics
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, J2, J5, J10 4 Terminal Block, 5 mm, 2x1, Tin, TH Terminal Block, 5 mm, 2x1, TH 691 101 710 002 Wurth Elektronik
J3, J4, J6, J8, J9 5 Header, 2.54 mm, 3x1, Gold, TH Header, 2.54mm, 3x1, TH 61300311121 Wurth Elektronik
J7 1 Header, 2.54 mm, 2x1, Gold, TH Header, 2.54mm, 2x1, TH 61300211121 Wurth Elektronik
L1, L2 2 1 uH Shielded Power Inductor, 1uH, 20%, 17.8A IRMS, 5.8mOhm DCR max, AECQ200 Grade1, 5.28x5.48x3.1mm SMT_IND_5MM28_5MM48 XGL5030-102MEC Coilcraft
L3 1 Inductor, Shielded, Composite, 1.0H, 16.9 A, 0.0084 ohm, AEC-Q200 Grade 1 SMT_5MM28_5MM48 XEL5030-102MEB Coilcraft
R3, R7, R11 3 0 RES, 0, 5%, 0.1 W, 0603 603 RC0603JR-070RL Yageo
R6, R8 2 100k RES, 100 k, 1%, 0.1 W, 0603 603 RC0603FR-07100KL Yageo
R9 1 7.15k RES, 7.15 k, 1%, 0.1 W, 0603 603 RC0603FR-077K15L Yageo
R10 1 121k RES, 121 k, 1%, 0.1 W, 0603 603 RC0603FR-07121KL Yageo
R14, R17 2 10.0k RES, 10.0 k, 1%, 0.1 W, 0603 603 RC0603FR-0710KL Yageo
SH-J1, SH-J2, SH-J3, SH-J4, SH-J5, SH-J6 6 Single Operation 2.54mm Pitch Open Top Jumper Socket Single Operation 2.54mm Pitch Open Top Jumper Socket M7582-05 Harwin
TP5, TP6 2 Test Point, SMT Test Point, SMT S2751-46R Harwin
TP9 1 Test Point, Multipurpose, Orange, TH Orange Multipurpose Testpoint 5013 Keystone Electronics
TP10, TP11 2 Test Point, Multipurpose, Black, TH Black Multipurpose Testpoint 5011 Keystone Electronics
U1 1 LMQ644A2-Q1 3-V to 36-V, 12 A, Low Iq dual buck converter WQFN-FCRLF24 LMQ644A2QRXARQ1 Texas Instruments