SLVU192B February   2007  – January 2022 TPS40077

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Description
    2. 1.2 Applications
    3. 1.3 Features
  3. 2TPS40077EVM-001 Electrical Performance Specifications
  4. 3Schematic
    1. 3.1 Adjusting Output Voltage (R3 and R13)
    2. 3.2 Disable (J3)
    3. 3.3 Test Set Up
      1. 3.3.1 Equipment
        1. 3.3.1.1 Voltage Source
        2. 3.3.1.2 Meters
        3. 3.3.1.3 Loads
        4. 3.3.1.4 Oscilloscope
        5. 3.3.1.5 Recommended Wire Gauge
    4. 3.4 Equipment Setup
      1. 3.4.1 Procedure
      2. 3.4.2 Diagram
    5. 3.5 Start-Up/Shut Down Procedure
    6. 3.6 Control Loop Gain and Phase Measurement Procedure
    7. 3.7 Equipment Shutdown
  5. 4TPS40077EVM Typical Performance Data and Characteristic Curves
    1. 4.1 Efficiency
    2. 4.2 Line and Load Regulation
    3. 4.3 Output Ripple
    4. 4.4 Transient Response
    5. 4.5 Bode Plot
  6. 5EVM Assembly Drawings and Layout
  7. 6List of Materials
  8. 7Revision History

6 List of Materials

Table 6-1 lists the EVM components as configured according to the schematic shown in Figure 3-1.

Table 6-1 Bill of Materials
COUNT RefDes Value Description Size Part Number MFR
1 C1 470 μF Capacitor, Aluminum, 470 μF, 25 V, 20% 0.457 x 0.406 EEVFK1E471P Panasonic
3 C12, C14, C15 22 μF Capacitor, Ceramic, 22 μF, 16 V, X5R, 20% 1812 C4532X5R1C226MT TDK
2 C6, C13 2.2 nF Capacitor, Ceramic, 25 V, X7R 20% 0603 Std Vishay
1 C16 470 μF Capacitor, Aluminum, SM, 6.3 V, 300 mΩ (FK series) 8x10mm FK-Series Panasonic
1 C17 47 μF Capacitor, Ceramic, 47 μF, 6.3 V, X5R, 20% 1812 C4532X5R0J476MT TDK
2 C2, C10 0.1 μF Capacitor, Ceramic, 25 V, X7R, 20% 0603 Std Vishay
1 C3 15 nF Capacitor, Ceramic, 25 V, X7R, 20% 0603 Std Vishay
1 C4 680 pF Capacitor, Ceramic, 25 V, X7R, 20% 0603 Std Vishay
1 C5 3900 pF Capacitor, Ceramic, 25 V, X7R 20% 0603 Std Vishay
1 C7 10 pF Capacitor, Ceramic, 25 V, COG 20% 0603 Std Vishay
2 C8, C11 0.1 μF Capacitor, Ceramic, 25 V, X7R, 20% 0603 Std Vishay
1 C9, C18 1 μF Capacitor, Ceramic, 25 V, X7R, 20% 0805 Std Vishay
1 D1 Diode, Schottky, 200 mA, 30 V SOT23 BAT54 Vishay
1 L1 2.5 μH Inductor, SMT, 2.5 μH, 16.5 A, 3.4 mΩ 0.515 × 0.516 MLC1550-252ML Coiltronics
1 Q1 MOSFET, NChannel, 30 V, 18 A, 8.0 mΩ PWRPAK S0-8 Si7860DP Vishay
1 Q2 MOSFET, NChannel, 30 V, 18 A, 40 mΩ PWRPAK S0-8 Si7886ADP Vishay
1 R1 10 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R10 330 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R12 51 Ω Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R13 24.9 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std
2 R2, R6 165 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R3 4.42 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std
2 R4, R11 0 Ω Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R5 3.48 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R7 5.90 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R8 953 Ω Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R9 1.80 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std
1 U1 IC PWP16 TPS40077PWP Texas Instruments