SLVU277A January   2009  – October 2021 TPS54232

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Background
    2. 1.2 Performance Specification Summary
    3. 1.3 Modifications
      1. 1.3.1 Output Voltage Set Point
  3. 2Test Setup and Results
    1. 2.1  Input / Output Connections
    2. 2.2  Efficiency
    3. 2.3  Output Voltage Load Regulation
    4. 2.4  Output Voltage Line Regulation
    5. 2.5  Load Transients
    6. 2.6  Loop Characteristics
    7. 2.7  Output Voltage Ripple
    8. 2.8  Input Voltage Ripple
    9. 2.9  Powering Up
    10. 2.10 Eco-mode Operation
  4. 3Board Layout
    1. 3.1 Layout
    2. 3.2 Estimated Circuit Area
  5. 4Schematic and Bill of Materials
    1. 4.1 Schematic
    2. 4.2 Bill of Materials
  6. 5Revision History

4.2 Bill of Materials

Table 4-1 presents the bill of materials for the TPS54232EVM-415.

Table 4-1 TPS54232EVM-415 Bill of Materials
Count RefDes Value Description Size Part Number MFR
1 C1 4.7 μF Capacitor, Ceramic, 25 V, X5R, 10% 1206 GRM31CR61E106KA12 muRata
0 C2 Open Capacitor, Ceramic, 25 V, X5R, 10% 1206 GRM31CR61E106KA12 muRata
1 C3 22 μF Capacitor, Ceramic, 10 V, X7R, 10% 1210 Std Std
1 C4 0.1 μF Capacitor, Ceramic, 16 V, X7R, 10% 0603 Std Std
1 C5 0.015 μF Capacitor, Ceramic, 16 V, X7R, 10% 0603 Std Std
1 C6 680 pF Capacitor, Ceramic, 16 V, X7R, 10% 0603 Std Std
1 C7 47 pF Capacitor, Ceramic, 16 V, X7R, 10% 0603 Std Std
0 C8 Open Capacitor, Ceramic, 10 V, X5R, 10% 1210 Std TDK
1 D1 B220A Diode, Schottky, 2 A, 20 V SMA B220A Diodes Inc
2 J1, J4 ED1514 Terminal Block, 2-pin, 6 A, 3.5 mm 0.27 × 0.25 inch ED1514 OST
2 J2, J3 PTC36SAAN Header, 2 pin, 100 mil spacing, (36-pin strip) 0.100 × 2 PTC36SAAN Sullins
1 L1 3.3 μH Inductor, SM Toroid, 3.72 A, 20 mΩ 0.287 × 0.287 inch MSS7341-332 Coilcraft
1 R1 150 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R2 48.7 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R3 17.4 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R4 0 Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R5 10.2 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R6 4.75 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std
0 R7 Open Resistor, Chip, 1/16W, 1% 0603 Std Std
3 TP1, TP3, TP5 5000 Test Point, Red, Thru Hole Color Keyed 0.100 × 0.100 inch 5000 Keystone
3 TP2, TP4, TP6 5001 Test Point, Black, Thru Hole Color Keyed 0.100 × 0.100 inch 5001 Keystone
1 U1 TPS54232D IC, DC-DC Converter, 28 V, 2 A SO-8 TPS54232D TI
1 — PCB, 2 inch × 2 inch × 0.062 inch 2.0" × 2.0" × 0.062" HPA415 Any