SLVAFJ0 april   2023 TPS650350-Q1 , TPS650352-Q1

 

  1.   Passing CISPR-25 Radiated and Conduction Emissions Using the TPS65035x-Q1
  2.   Trademarks
  3. 1Introduction
  4. 2Spread Spectrum
  5. 3Schematics and Printed Circuit Board (PCB) Description
    1. 3.1 Schematics
    2. 3.2 Bill of Materials
    3. 3.3 Board Layout
  6. 4Design Considerations
  7. 5Summary
  8. 6Conducted and Radiated Emission Average and Peak Plots
  9. 7References

3.2 Bill of Materials

Table 3-1 Bill of Materials
Item Designator Quantity Part Number Manufacturer Description
1 !PCB1 1 TIDA-050062 Any Printed Circuit Board
2 C1 1 CGA4J1X7R1E475M125AC TDK Corporation CAP, CERM, 4.7 µF, 25 V, ±20%, X7R, 0805
3 C2 1 C1005X7R1E104K050BB TDK Corporation CAP, CERM, 0.1 µF, 25 V, ±10%, X7R, 0402
4 C3, C6 2 GRM21BZ71E106KE15L MuRata CAP, CERM, 10 µF, 25 V, ±10%, X7R, 0805
5 C4 1 CGA2B3X7R1H104M050BB TDK 0.1 µF ±20% 50V Ceramic Capacitor X7R 0402
6 C7, C9, C10, C11, C12. 5 GRM188Z71A106MA73D MuRata CAP, CERM, 10 µF, 16 V, ±20%, X7R, 0603
7 C7, C9 2 CGA3E1X7R1C105K080AC TDK

1 µF ±10% 16V Ceramic Capacitor X7R 0603

8

 J1 1 59S10H-40ML5-Z Rosenberger Connector, HF, 50 Ω, TH
9 L1 1 LQH3NPZ100MJRL MuRata 10 µH Shielded Drum Core, Wirewound Inductor 1.2 A 288mOhm Max 1212 (3030 Metric)
10 L2, L3, L4 3 BLM18HE152SN1D MuRata Ferrite Bead, 1500 Ω at 100 MHz, 0.5 A, 0603
11 L5 1 BLM18AG102SN1D MuRata Ferrite Bead, 1000 ohm @ 100 MHz, 0.4 A, 0603

12

L6

1

TFM201610ALMA1R5MTAA

TDK

 Inductor, Shielded, Metal Composite, 1.5 μH, 3.1 A, 0.06 Ω, AEC-Q200 Grade 0, SMD
13 L7, L8 2 TFM201610ALMA1R0MTAA TDK Inductor, Shielded, Metal Composite, 1 μH, 3.1 A, 0.06 Ω, AEC-Q200 Grade 0, SMD
14 R1 1 CRCW06034K02FKEA Vishay-Dale RES, 4.02 k, 1%, 0.1 W, 0603
15 U1 1 TPS650350QRGEQ1 Texas Instruments Automotive Camera PMIC, RGE0024K (VQFN -22)

16

R5

1

CRCW040210K0JNED

 Vishay-Dale

ES, 10 k, 5%, 0.063 W, AEC-Q200 Grade 0, 0402
17 R2, R3, R6,

R7

 4 CRM2512-FX-1R00ELF Bourns RES, 1.00, 1%, 2 W, 6.3x3.1 mm