SLVUCC3 January   2022 TPS629203

 

  1.   Trademarks
  2. 1Introduction
  3. 2Performance Specification
  4. 3EVM Configuration and Modification
    1. 3.1 Input and Output Capacitors
    2. 3.2 Configurable Enable Threshold Voltage
    3. 3.3 MODE/S-CONF Setting
    4. 3.4 Power Good
    5. 3.5 Power Good Pullup Voltage
    6. 3.6 Feedforward Capacitor Option
    7. 3.7 Output Voltage Setting
    8. 3.8 Loop Response Measurement
  5. 4EVM Test Setup
    1. 4.1 Input and Output Connectors
    2. 4.2 Jumper Configuration
      1. 4.2.1 JP1 Enable
      2. 4.2.2 JP2 MODE/S-CONF
      3. 4.2.3 JP3 Power Good
      4. 4.2.4 JP4 PG Pullup Voltage
  6. 5Test Results
  7. 6Board Layout
  8. 7Schematic and Bill of Materials
    1. 7.1 Schematic
    2. 7.2 Bill of Materials
  9. 8References

7.2 Bill of Materials

Table 7-1 TPS629203EVM Bill of Materials
Designator Qty Value Description Package Part Number Manufacturer
C1 1 47 μF CAP, TA, 47 μF, 35 V, ±10%, 0.3 Ω, SMD 7343-43 T495X476K035ATE300 Kemet
C3 1 4.7 μF Cap Ceramic 4.7-μF 25-V X7R 10% Pad SMD 1206 +125°C Automotive T/R 1206 CGA5L1X7R1E475K160AC TDK
C4 1 0.1 μF CAP, CERM, 0.1 μF, 25 V, ±10%, X7R, 0603 0603 C0603C104K3RACTU Kemet
C5 1 22 μF CAP, CERM, 22 μF, 6.3 V, ±20%, X7T, AEC-Q200 Grade 1, 0805 0805 GCM21BD70J226ME36L MuRata
J1, J2 2 Header, 2.54 mm, 6 × 1, Gold, TH Header, 2.54 mm, 6 × 1, TH 61300611121 Wurth Elektronik
JP1 1 Header, 2.54 mm, 4 × 1, Gold, TH Header, 2.54 mm, 4 × 1, TH 61300411121 Wurth Elektronik
JP2 1 Header, 2.54 mm, 3 × 2, Gold, TH Header, 2.54 mm, 3 × 2, TH 61300621121 Wurth Elektronik
JP3 1 Header, 2.54 mm, 2 × 1, Gold, TH Header, 2.54 mm, 2 × 1, TH 61300211121 Wurth Elektronik
JP4 1 Header, 2.54 mm, 3 × 1, Gold, TH Header, 2.54 mm, 2 × 1, TH 61300311121 Wurth Elektronik
L1 1 3.3 μH Molded Power Inductor, Shielded, 3.3 μH 20%, 5.4 A, 37.4 mΩ DCR Max, AEC-Q200, T/R SMT_IND_3MM2_3MM5 XGL3530-332MEC Coilcraft
LBL1 1 Thermal Transfer Printable Labels, 0.650" W × 0.200" H - 10,000 per roll PCB Label 0.650 × 0.200 inch THT-14-423-10 Brady
R1 1 154 k RES, 154 k, 1%, 0.1 W, 0603 0603 RC0603FR-07154KL Yageo
R2 1 34.0 k RES, 34.0 k, 1%, 0.1 W, 0603 0603 RC0603FR-0734KL Yageo
R3, R5 2 100 k RES, 100 k, 1%, 0.1 W, 0603 0603 RC0603FR-07100KL Yageo
R4 1 549 k RES, 549 k, 1%, 0.1 W, 0603 0603 RC0603FR-07549KL Yageo
R6 1 124 k RES, 124 k, 1%, 0.1 W, 0603 0603 RC0603FR-07124KL Yageo
R7 1 64.9 k RES, 64.9 k, 1%, 0.1 W, 0603 0603 RC0603FR-0764K9L Yageo
U1 1 3-V to 17-V, Synchronous Buck Converters in 1.6-mm × 2.1-mm SOT583 Package SOT583 TPS629203DRLR Texas Instruments
C2 0 10 μF CAP, CERM, 10 μF, 25 V, ±20%, X7R, 1206_190 1206_190 C3216X7R1E106M160AE TDK
C6 0 22 μF CAP, CERM, 22 µF, 6.3 V, ±20%, X7T, AEC-Q200 Grade 1, 0805 0805 CGA4J1X7T0J226M TDK
C7, C8 0 22 μF CAP, CERM, 22 μF, 10 V, ±20%, X7S, 0805 0805 C2012X7S1A226M125AC TDK
C9 0 47 μF CAP, CERM, 47 μF, 6.3 V, ±20%, X7R, 1210 1210 GRM32ER70J476ME20L MuRata
C10 0 22 pF CAP, CERM, 22 pF, 50 V, ±5%, C0G/NP0, 0603 0603 GRM1885C1H220JA01D MuRata
J3 0 Header, 2.54 mm, 2 × 1, Gold, TH Header, 2.54 mm, 2 × 1, TH 61300211121 Wurth Elektronik