SLVU392A July   2010  – January 2022 TPS53125

 

  1.   Trademarks
  2. 1Description
    1. 1.1 Applications
    2. 1.2 Features
  3. 2TPS53125EVM-599 Electrical Performance Specifications
  4. 3TPS53125EVM-599 Schematic
  5. 4Connector and Test Point Descriptions
    1. 4.1 Enable Jumpers/Switches – SW1 and SW2
    2. 4.2 Test Point Descriptions
      1. 4.2.1 Input Voltage Monitoring – TPS and TP9
      2. 4.2.2 Channel 1 Output Voltage Monitoring – TP4 and TP8 or CN1
      3. 4.2.3 Channel 2 Output Voltage Monitoring – TP6 and TP7 or CN2
      4. 4.2.4 Soft-Start Voltage Monitoring – TP1, TP2, and TP3
      5. 4.2.5 Switching Node Monitoring – TP3, TP5, and TP11
      6. 4.2.6 5-V Regulator Output Monitoring – TP3 and TP10
  6. 5Test Setup
    1. 5.1 Equipment
      1. 5.1.1 Voltage Source
      2. 5.1.2 Meters
      3. 5.1.3 Loads
      4. 5.1.4 Oscilloscope and Probe
      5. 5.1.5 Recommended Wire Gauge
      6. 5.1.6 Other Test Equipment
    2. 5.2 Equipment Setup
      1. 5.2.1 Test Procedure
      2. 5.2.2 Test Setup Diagram
    3. 5.3 Start-Up/Shutdown Procedures
    4. 5.4 Output Ripple Voltage Measurement Procedure
    5. 5.5 Equipment Shutdown
  7. 6TPS53125EVM-599 Test Data
    1. 6.1 Efficiency
    2. 6.2 Line and Load Regulation
    3. 6.3 Output Voltage Ripple and Switching Node Waveforms
    4. 6.4 Switch Node
  8. 7TPS53125EVM-599 Assembly Drawings and Layout
  9. 8TPS53125EVM-599 Bill of Materials
  10. 9Revision History

8 TPS53125EVM-599 Bill of Materials

Table 8-1 contains the bill of materials for TPS53125EVM-599. The reference designators reference the schematic in Figure 3-1 and assembly locations in Figure 7-1. The components listed with a quantity of 0 are not populated on the PCB but are provided for reference.

Table 8-1 TPS53125EVM-599 Bill of Materials
QTYRefDesValueDescriptionSizePart NumberMFR
0C1Capacitor, Aluminum, 25 V, 20%0.328 × 0.390 inchStdStd
0C12, C19, C20, C21Capacitor, Ceramic,0603StdStd
0C14, C7Capacitor, OS CON, 6.3 V, 20%0.260 Sq inchStdStd
1C154.7 µFCapacitor, Ceramic, 10 V, X5R, 20%0805StdStd
1C161 µFCapacitor, Ceramic, 16 V, X5R, 20%0805StdStd
4C9, C10, C17, C1847 µFCapacitor, Ceramic, 6.3 V, X5R, 20%1206StdStd
4C2, C3, C4, C510 µFCapacitor, Ceramic, 25 V, X5R, 20%1210StdStd
2C22, C234700 pFCapacitor, Ceramic, Low Inductance, 16 V, X7R, 20%0603StdStd
2C6, C110.1 µFCapacitor, Ceramic, 50 V, X7R, 10%0603StdStd
0C8, C13330 µFCapacitor, PXE, 330-µF, 4.0-V, 15-mΩ, 20%7343 (D)APXE4R0ARA331MF61GNIPPON CHEMI-CON
2CN1, CN2131-5031-00Adaptor, 3.5-mm probe clip ( or 131-5031-00)0.2131-4244-00Tektronix
0D1, D2Diode, Schottky, 1-A, 30-VSMAStdStd
3J1, J2, J3ED120/2DSTerminal Block, 2-pin, 15-A, 5.1 mm0.40 × 0.35 inchED120/2DSOST
2L1, L23.3 µHInductor, SMT, 5.6 A, 29.7 mΩ0.256 × 0.280 inchSPM6530T-3R3MTDK
2Q1, Q3FDS8876MOSFET, N-ch, 30-V, 10.2-A, 14-mΩSO8FDS8876Fairchild
2Q2, Q4FDS8690MOSFET, N-ch, 30-V, 11.4-A, 11.4-mΩSO8FDS8690Fairchild
1R11.82 kResistor, Chip, 1/16W, 1%0603StdStd
2R11, R1210Resistor, Chip, 1/16W, 1%0603StdStd
1R13430Resistor, Chip, 1/16W, 1%0603StdStd
0R2, R7, R9Resistor, Chip, 1/16W, 1%0603StdStd
1R33.32 kResistor, Chip, 1/16W, 1%0603StdStd
2R4, R610.0 kResistor, Chip, 1/16W, 1%0603StdStd
1R512.1 kResistor, Chip, 1/16W, 1%0603StdStd
2R8, R105.62 k Resistor, Chip, 1/16W, 1%0603StdStd
2SW1, SW2G12AP-R0Switch, ON-ON Mini Toggle0.28 × 0.18 inchG12AP-R0Nikkai
4TP1, TP2, TP5, TP115012Test Point, White, Thru Hole0.125 × 0.125 inch5012Keystone
1TP105013Test Point, Orange, Thru Hole0.125 × 0.125 inch5013Keystone
3TP3, TP4, TP65011Test Point, Black, Thru Hole0.125 × 0.125 inch5011Keystone
2TP7, TP85014Test Point, Yellow, Thru Hole0.125 × 0.125 inch5014Keystone
1TP95010Test Point, Red, Thru Hole0.125 × 0.125 inch5010Keystone
1U1TPS53125PWIC, Dual Synchronous Step-Down Controller For Low-Voltage Power RailsTSSOPTPS53125PWTI