SLAAEH7 February   2024 MSPM0L1306

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
    1. 1.1 System Description
    2. 1.2 Design 1: High Efficiency Design with 50kHz
    3. 1.3 Design 2: Space Optimized Design with 250kHz
    4. 1.4 Design 3: MCU Driven Design with Flexible Switching Frequency
      1. 1.4.1 Selection of MOSFETs
      2. 1.4.2 Efficiency Test
        1. 1.4.2.1 Current Consumption of PWM (Ipwm) Test
        2. 1.4.2.2 Efficiency Test Set Up
        3. 1.4.2.3 Efficiency Test Results at 50kHz Switching Frequency
        4. 1.4.2.4 Efficiency Test Results at 250kHz Switching Frequency
  5. 2Design File
    1. 2.1 Schematics
    2. 2.2 Bill of Materials
  6. 3Summary
  7. 4References

2.2 Bill of Materials

Table 2-1 Bill of Materials
Item # Designator Quantity Part Number Manufacturer Description Package Reference
1 !PCB 1 Any Printed Circuit Board
2 C1, C2, C3, C6 4 C0603C475K8PACTU Kemet CAP, CERM, 4.7uF, 10V, ±10%, X5R, 0603 0603
3 C4 1 GRM31CR61A226KE19L MuRata CAP, CERM, 22uF, 10V, ±10%, X5R, 1206 1206
4 C5, C8 2 CGB3B1X5R1A475K055AC TDK CAP, CERM, 4.7µF, 10V, ± 10%, X5R, 0603 0603
5 C7 1 C1608X5R1E685K080AC TDK CAP, CERM, 6.8µF, 25V, ± 10%, X5R, 0603 0603
6 C9, C10 2 GRM21BR71A106KE51L MuRata CAP, CERM, 10uF, 10V, ±10%, X7R, 0805 0805
7 D1, D2 2 RB520S30,115 NXP Semiconductor Diode, Schottky, 30V, 0.2A, SOD-523 SOD-523
8 H1, H2, H3, H4 4 SJ5382 3M Bumpon, Hemisphere, 0.25 X 0.075, Clear 75x250 mil
9 J1 1 61300411121 Wurth Elektronik eiSos Header, 2.54mm, 4x1, Gold, TH Header, 2.54mm, 4x1, TH
10 J2 1 61300611121 Wurth Elektronik eiSos Header, 2.54mm, 6x1, Gold, TH Header, 2.54mm, 6x1, TH
11 J6 1 61300211121 Wurth Elektronik eiSos Header, 2.54mm, 2x1, Gold, TH Header, 2.54mm, 2x1, TH
12 LBL1 1 THT-14-423-10 Brady Thermal Transfer Printable Labels, 0.650" W x 0.200" H - 10,000 per roll PCB Label 0.650"H x 0.200"W
13 Q1 1 CSD23382F4 Texas Instruments MOSFET, P-CH, -12V, -3.5 A, YJC0003A (PICOSTAR-3) YJC0003A
14 Q2 1 CSD13380F3 Texas Instruments MOSFET, N-CH, 12V, 3.6A, YJM0003A (PICOSTAR-3) YJM0003A
15 R1 1 CRCW040210K0FKED Vishay-Dale RES, 10.0 k, 1%, 0.063 W, 0402 0402
16 R2 1 CRCW08050000Z0EAHP Vishay-Dale RES, 0, 5%, 0.333 W, 0805 0805
17 R3, R5 2 CRCW0402499KFKED Vishay-Dale RES, 499k ohm, 1%, 0.063W, 0402 0402
18 SH-J6 1 969102-0000-DA 3M Shunt, 100mil, Gold plated, Black Shunt
19 T1 1 750371685 Wurth Electronics TRANSFORMER SMT4
20 U1 1 MSPM0L1306SDYY Texas Instruments Mixed-Signal Microcontrollers SOT-23-THIN-16 SOT-23-THIN-6
21 FID1, FID2, FID3 0 N/A N/A Fiducial mark. There is nothing to buy or mount. Fiducial
22 R4 0 CRCW08050000Z0EAHP Vishay-Dale RES, 0, 5%, 0.333 W, 0805 0805