SLUU285D July   2007  – October 2021 TPS54283 , TPS54286 , TPS54383 , TPS54386

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Description
    2. 1.2 Applications
    3. 1.3 Features
  3. 2TPS54383EVM 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 TPS54383 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. 4Test 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. 5TPS54383EVM 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)
    6. 5.6 Light Load Operation (revision A PCB only)
  7. 6EVM Assembly Drawings and Layout
  8. 7List of Materials
  9. 8Revision History

List of Materials

Table 7-1 TPS54383EVM 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%, 6.8 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, aluminum, 10 V, 20%, FC series, 100 μF, 0.335 x 0.374PanasonicEEEFC1A101P
2C7, C14Capacitor, ceramic, 25 V, X7R, 20%, 470 pF, 0603StdStd
1C8Capacitor, ceramic, 25 V, X7R, 20%, 10 nF, 0603StdStd
2C9, C13Capacitor, ceramic, 25 V, X7R, 20%, .033 μF, 0603StdStd
2D1, D2Diode, Schottky, 3 A, 30 V,SMCOn SemiMBRS330T3
3J1, J2, J3Terminal block, 2 pin, 15 A, 5.1 mm, 0.40 x 0.35 inchOSTED1609
3JP1, JP2, JP3Header, 3 pin, 100-mil spacing, (36-pin strip), 0.100 inch x 3SullinsPTC36SAAN
2L1, L2Inductor, Power, 6.8 A, 0.038 Ω, 22 μH, 0.484 x 0.484 inchCoilcraftMSS1278-223ML
2R1, R10Resistor, chip, 1/16 W, 5%, 51 Ω, 0603StdStd
1R11Resistor, chip, 1/16 W, 1%, 1.21 kΩ, 0603StdStd
1R12Resistor, chip, 1/16 W, 1%, 845 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
2R5, R6Resistor, chip, 1/16 W, 5%, 0 Ω, 0603StdStd
1R7Resistor, chip, 1/16 W, 1%, 6.34 kΩ, 0603StdStd
3TP1, TP3, TP18Test point, red, thru hole, 5010, 0.125 x 0.125 inchKeystone5010
9TP2, TP4, TP5, TP7, TP10, TP13, TP15, TP17, TP19Test point, black, thru hole, 5011, 0.125 x 0.125 inchKeystone5011
7TP6, TP8, TP9, TP11, TP12, TP14, TP16Test point, white, thru hole, 5012, 0.125 x 0.125 inchKeystone5012
1U1**IC, 300-kHz Dual Non-Sync Buck with Integrated FETs, HTSSOP-14TITPS54383PWP