SLUU297B December   2007  – January 2022 TPS40195

 

  1.   Trademarks
  2. 1 Introduction
  3. 2 Description
    1. 2.1 Applications
    2. 2.2 Features
  4. 3 TPS40195EVM Electrical Performance Specifications
  5. 4 Schematic
    1. 4.1 Test Points
  6. 5 Test 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
      5. 5.1.5 Signal Generator
      6. 5.1.6 Recommended Wire Gauge
      7. 5.1.7 Other
    2. 5.2 Equipment Setup
  7. 6 Test Procedure
    1. 6.1 Line and Load Regulation
    2. 6.2 Output Ripple Measurement (TP5, TP13)
    3. 6.3 Loop Analysis (TP7, TP8, TP10)
    4. 6.4 Disable (TP11) and Power Good (TP9)
    5. 6.5 Switch Node (TP4) and SYNC (TP12)
    6. 6.6 Equipment Shutdown
  8. 7 TPS40195EVM Typical Performance Data and Characteristic Curves
    1. 7.1 Line and Load Regulation
    2. 7.2 Efficiency
    3. 7.3 Output Voltage Ripple
    4. 7.4 Transient Response
    5. 7.5 Bode Plots
    6. 7.6 Test Point Waveforms
  9. 8 EVM Assembly Drawings and Layout
  10. 9 List of Materials
  11. 10Revision History

9 List of Materials

Table 9-1 lists the EVM components as configured according to the schematic shown in Figure 4-1.

Table 9-1 TPS40195EVM List of Materials
COUNTREF DESDESCRIPTIONMFRPART NUMBER
0C1, C2, C7, C8, C11, C19, C27Capacitor, aluminum, 20% (UE Series)PanasonicEEF-UEvvxxxR
1C12Capacitor, ceramic, 1.0 μF, 6.3 V, X7R, 10%, 0603StdStd
0C13Capacitor, ceramic, OPENStdStd
6C14, C15, C16, C17, C18, C25Capacitor, ceramic, 47 μF, 6.3 V, X5R, 20%, 1210StdStd
1C20Capacitor, ceramic, 4700 pF, 50 V, [X7R, 10%, 0603StdStd
1C21Capacitor, ceramic, 10 μF, 6.3 V, X5R, 10%, 0603StdStd
1C22Capacitor, ceramic, 680 pF, 50 V, X7R, 10%, 0603StdStd
1C23Capacitor, ceramic, 100 pF, 50 V, COG, 5%, 0603StdStd
1C24Capacitor, ceramic, 10 pF, 50 V, NPO, 5%, 0603StdStd
1C26Capacitor, aluminum, 25 V, ±20%, 160 mΩPanasonicEEVFK1E331P
5C3, C4, C5, C9, C10Capacitor, ceramic, 10 μF, 25 V, X7R, 20%, 1210StdStd
1C6Capacitor, ceramic, 1.0 μF, 25 V, X7R, 10%, 0805StdStd
1L1Inductor, SMT, 27 A, 3.0 mΩVishayIHLP5050FDER1R5M01
2Q1, Q2MOSFET, N-channel, 30 V, 11 A, 9.1 mΩIRIRF7821
2Q3, Q4MOSFET, N-channel, 30 V, 16 A, 4.0 mΩIRIRF7832
3R1, R10, R12Resistor, chip, 100 kΩ, 1/16 W, 1%StdStd
1R11Resistor, chip, 1.30 kΩ, 1/16 W, 1%StdStd
1R13Resistor, chip, 3.01 kΩ, 1/16 W, 1%StdStd
1R14Resistor, chip, 22.1 kΩ, 1/16 W, 1%StdStd
1R17Resistor, chip, 10.0 kΩ, 1/16 W, 1%StdStd
0R18, R19, R20, R21Resistor, chip, xxx Ω, 1/16 W, 1%StdStd
1R2Resistor, chip, 200 kΩ, 1/16 W, 1%StdStd
1R22Resistor, chip, 0 Ω, 1/16 WStdStd
1R26Resistor, chip, 0.15 Ω, 1/8 W, 5%StdStd
4R3, R8, R15, R16Resistor, chip, 1.0 Ω, 1/16 W, 5%StdStd
1R4Resistor, chip, 2.0 Ω, 1/16 W, 5%StdStd
1R5Resistor, chip, 1.0 Ω, 1210, 5%StdStd
1R6Resistor, chip, 42.2 kΩ, 1/16 W, 1%StdStd
1R7Resistor, chip, 82.5 kΩ, 1/16 W, 1%StdStd
1R9Resistor, chip, 49.9 kΩ, 1/16 W, 1%StdStd
1U1TPS40195, 4.5-V to 20-V Sync buck controller with sync and pgoodTITPS40195RGY