SLVU264A November   2008  – October 2021 TPS54233

 

  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
  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 TPS54233EVM-373.

Table 4-1 TPS54233EVM-373 Bill of Materials
Count RefDes Value Description Size Part Number MFR
0 C1 Open Capacitor, Ceramic 1206
1 C2 10 μF Capacitor, Ceramic, 25V, X5R, 10% 1206 GRM31CR61E106KA12 muRata
0 C3 Open Capacitor, Ceramic 0603
1 C4 0.1 μF Capacitor, Ceramic, 16V, X7R, 10% 0603 Std Std
1 C5 0.015 μF Capacitor, Ceramic, 16V, X7R, 10% 0603 Std Std
2 C6, C7 220 pF Capacitor, Ceramic, 16V, X7R, 10% 0603 Std Std
1 C8 470 μF Capacitor, Aluminum, 10V, ±20% 0.328 x 0.328 inch EEVFK1A471P Panasonic
1 D1 B230A Diode, Schottky, 2A, 40V SMA B240A Diodes Inc
2 J1, J4 ED1514 Terminal Block, 2-pin, 6-A, 3,5mm 0.27 × 0.25 inch ED1514 OST
2 J2, J3 PTC36SAAN Header, 2-pin, 100mil spacing, (36-pin strip) 0.100 × 2 PTC36SAAN
1 L1 15 μH Inductor, SMT, 3.7A, 41 mΩ 0.402 × 0.394 inch MSS1038-273NL Coilcraft
1 R1 332k Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R2 68.1k Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R3 30.9k Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R4 0 Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R5 10.2k Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R6 3.24k 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 TPS54233D IC, DC-DC Converter, 28V, 2A SO-8 TPS54233D TI
1 — PCB 2.0" x 2.0" x 0.062" HPA373 Any
1 — Shunt, 100-mil, Black 0.100 929950-00 3M
Note:
  1. These assemblies are ESD sensitive, ESD precautions shall be observed
  2. These assemblies must be clean and free from flux and all contaminants. Use of unclean flux is not acceptable.
  3. These assemblies must comply with workmanship standards IPC-A-610 Class 2.
  4. Ref designators marked with an asterisk ('**') cannot be substituted. All other components can be substituted with equivalent MFG's components.