SLUU286A March   2008  – October 2021 TPS54286 , TPS54386

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Description
    2. 1.2 Applications
    3. 1.3 Features
  3. 2TPS54386EVM Electrical Performance Specifications
  4. 3Schematic
    1. 3.1 Sequencing Jump (JP3)
    2. 3.2 Enable Jumpers (JP1 and JP2)
    3. 3.3 Test Point Descriptions
      1. 3.3.1 Input Voltage Monitoring (TP1 and TP2)
      2. 3.3.2 Channel 1 Output Voltage Monitoring (TP3 and TP4)
      3. 3.3.3 Channel 1 Loop Analysis (TP5, TP6, TP7 and TP8)
      4. 3.3.4 Channel 1 Switching Waveforms (TP9 and TP10)
      5. 3.3.5 TPS54386 Device Ground (TP11)
      6. 3.3.6 Channel 2 Switching Waveforms (TP12 and TP13)
      7. 3.3.7 Channel 2 Loop Analysis (TP14, TP15, TP16 and TP17)
      8. 3.3.8 Output Voltage Monitoring (TP18 and TP19)
  5. 44 Test Set Up
    1. 4.1 Equipment
      1. 4.1.1 Voltage Source
      2. 4.1.2 Meters
      3. 4.1.3 Loads
      4. 4.1.4 Oscilloscope
      5. 4.1.5 Recommended Wire Gauge
      6. 4.1.6 Other
    2. 4.2 Equipment Setup
      1. 4.2.1 Procedure
      2. 4.2.2 Diagram
    3. 4.3 Start Up / Shut Down Procedure
    4. 4.4 Output Ripple Voltage Measurement Procedure
    5. 4.5 Control Loop Gain and Phase Measurement Procedure
    6. 4.6 Equipment Shutdown
  6. 5TPS54386EVM Typical Performance Data and Characteristic Curves
    1. 5.1 Efficiency
    2. 5.2 Line and Load Regulation
    3. 5.3 Output Voltage Ripple
    4. 5.4 Switch Node
    5. 5.5 Control Loop Bode Plot (low line, VIN = 8 V)
  7. 6EVM Assembly Drawings and Layout
  8. 7List of Materials
  9. 8Revision History

7 List of Materials

Table 7-1 TPS54386EVM List of Materials
QTYREF DESDESCRIPTIONMFRPART NUMBER
1C1Capacitor, aluminum, 25 V, ±20%, 100 μF, 0.328 x 0.390 inchPanasonicEEEFC1E101P
2C10, C11Capacitor, ceramic, 25 V, X5R, 20%, 10 μF, 1210TDKC3216X5R1E106M
1C12Capacitor, ceramic, 10 V, X5R, 20%, 4.7 μF, 0805StdStd
1C15Capacitor, ceramic, 25 V, X7R, 20%, 22 nF, 0603StdStd
2C2, C20Capacitor, ceramic, 10 V, X7R, 20%, 0.1 μF, 0603StdStd
4C3, C4, C18, C19Capacitor, ceramic, 6.3 V, X5R, 20%, 10 μF, 0805TDKC2012X5R0J106M
2C5, C17Capacitor, ceramic, 6.3 V, X5R, 20%, 47 μF, 1206StdStd
2C7, C14Capacitor, ceramic, 25 V, X7R, 20%, 470 pF, 0603StdStd
1C8Capacitor, ceramic, 25 V, X7R, 20%, 33 nF, 0603StdStd
2C9, C13Capacitor, ceramic, 25 V, X7R, 20%, 0.047 μF, 0603StdStd
2D1, D2Diode, Schottky, 3 A, 30 V, MBRS330T3, SMCOn SemiMBRS330T3
2L1, L2Inductor, power, 4.38 A, 0.02 Ω, 8.2 μH, 0.402 x 0.392 inchCoilcraftMSS1048-822L
2R1, R10Resistor, chip, 1/16 W, 5%, 51 Ω, 0603StdStd
2R2, R9Resistor, chip, 1/16 W, 1%, 20 kΩ, 0603StdStd
2R3, R8Resistor, chip, 1/16 W, 5%, 10 Ω, 0603StdStd
1R4Resistor, chip, 1/16 W, 1%, 3.83 kΩ, 0603StdStd
3R5, R6, R11Resistor, chip, 1/16 W, 5%, 0 Ω, 0603StdStd
1R7Resistor, chip, 1/16 W, 1%, 6.49 kΩ, 0603StdStd
1R12Resistor, chip, 1/16 W, 1%, 1.54 kΩ, 0603StdStd
1R13Resistor, chip, 1/16 W, 1%, 3.32 kΩ, 0603StdStd
3TP1, TP3, TP18Test point, red, thru hole, 5010, 0.125 x 0.125 inchKeystone5010
1U1**TPS54386PWP, HTSSOP-14TITPS54386PWP