SNVU588A December   2017  – January 2022 TPS40345

 

  1.   Trademarks
  2. 1Description
    1. 1.1 Applications
    2. 1.2 Features
  3. 2TPS40345EVM-353 Electrical Performance Specifications
  4. 3TPS40345EVM-353 Schematic
  5. 4Connector and Test Point Descriptions
    1. 4.1 Enable Jumper (JP2)
    2. 4.2 Frequency Spread Spectrum – FSS Jumper (JP1)
    3. 4.3 Test Point Descriptions
      1. 4.3.1 Input Voltage Monitoring (TP1 and TP2)
      2. 4.3.2 Output Voltage Monitoring (TP3 and TP4)
      3. 4.3.3 Loop Response Testing (TP5, TP6, TP7, TP8, and R3)
      4. 4.3.4 Error Amplifier Voltage Monitoring (TP9, TP10, and TP11)
      5. 4.3.5 Switching Waveform Monitoring (TP12, TP13, TP14, and TP15)
      6. 4.3.6 Power-Good Voltage Monitoring (TP16 and TP18)
      7. 4.3.7 Enable and Soft-Start Voltage Monitoring (TP17 and TP18)
  6. 5Test Setup
    1. 5.1 Equipment
      1. 5.1.1 Voltage Source
      2. 5.1.2 Meters
      3. 5.1.3 Load
      4. 5.1.4 Oscilloscope
      5. 5.1.5 Recommended Wire Gauge
      6. 5.1.6 Other
    2. 5.2 Equipment Setup
      1. 5.2.1 Procedure
      2. 5.2.2 Diagram
    3. 5.3 Start-Up/Shutdown Procedure
    4. 5.4 Output Ripple Voltage Measurement Procedure
    5. 5.5 Control Loop Gain and Phase Measurement Procedure
    6. 5.6 Equipment Shutdown
  7. 6TPS40345EVM-353 Test Data
    1. 6.1 Efficiency
    2. 6.2 Line and Load Regulation
    3. 6.3 Output Voltage Ripple
    4. 6.4 Switch Node
    5. 6.5 Control Loop Bode Diagram
    6. 6.6 Additional Waveforms
      1. 6.6.1 Output Ripple With Frequency Spread Spectrum (FSS) Enabled
  8. 7TPS40345EVM-353 Assembly Drawings and Layout
  9. 8TPS40345EVM-353 Bill of Materials
  10. 9Revision History

8 TPS40345EVM-353 Bill of Materials

Table 8-1 TPS40345EVM-353 Bill of Materials
QTYRefDesValueDescriptionSizePart NumberMFR
2C1, C210µFCapacitor, Ceramic, 25V, X7R, 10%1210StdStd
1C114.7µFCapacitor, Ceramic, 10V, X7R, 20%0805StdStd
1C121µFCapacitor, Ceramic, 25V, X7R, 20%0805StdStd
0C131nFCapacitor, Ceramic, 25V, X5R, 20%0603StdStd
1C143.3nFCapacitor, Ceramic, 16V, X7R, 20%0603StdStd
1C3330µFCapacitor, Aluminum, 25V, ±20%, 160mΩ0.328 x 0.390 inchEEEFK1E331PPanasonic
2C4, C6680pFCapacitor, Ceramic, 25V, COG, 10%0603StdStd
1C5100pFCapacitor, Ceramic, 25V, COG, 10%0603StdStd
1C7100nFCapacitor, Ceramic, 16V, X7R, 20%0603StdStd
1C8220µFCapacitor, POSCAP, 6.3V, 25mΩ, 105C, 20%7343(D)6TPE220MSanyo
2C9, C1047µFCapacitor, Ceramic, 6.3V, X5R, 20%1210StdStd
2J1, J2ED120/2DSTerminal Block, 2-pin, 15A, 5.1mm0.40 x 0.35 inchED120/2DSOST
2JP1, JP2PEC02SAANHeader, 2-pin, 100mil spacing0.100 inch x 2PEC02SAANSullins
1L10.38µHInductor, SMT, 35A0.512 x 0.571 inchPG0077.401NLTPulse
1Q1*CSD16410Q5AMOSFET, N-Chan, 25V, 59A, 9.6mΩQFN-8 POWERCSD16410Q5ATI
1Q2*CSD16321Q5MOSFET, N-Chan, 25V, 31AQFN-8 POWERCSD16321Q5TI
3R1, R4, R610.0kΩResistor, Chip, 1/16W, 1%0603StdStd
1R10267kΩResistor, Chip, 1/16W, 1%0603StdStd
1R21.50kΩResistor, Chip, 1/16W, 1%0603StdStd
1R349.9ΩResistor, Chip, 1/16W, 1%0603StdStd
1R52ΩResistor, Chip, 1/16W, 1%0603StdStd
0R72.2ΩResistor, Chip, 1/8W, 5%1206StdStd
1R84.02kΩResistor, Chip, 1/16W, 1%0603StdStd
1R9100kΩResistor, Chip, 1/16W, 1%0603StdStd
2TP1, TP35000Test Point, Red, Thru Hole Color Keyed0.100 x 0.100 inch5000Keystone
0TP13N/ATest Point, SM, 2x3mm0.118 x 0.079 inch
6TP2, TP4, TP6, TP8, TP15, TP185001Test Point, Black, Thru Hole Color Keyed0.100 x 0.100 inch5001Keystone
9TP5, TP7,
TP9–TP12, TP14, TP16, TP17		5002Test Point, White, Thru Hole Color Keyed0.100 x 0.100 inch5002Keystone
1U1*TPS40345DRCIC, 3V – 20V sync. Buck controller/Enable Light Load/Fq Spread SpectrumDRC10TPS40345DRCTI
2–Shunt, 100-mil, Black0.1929950-003M
1–PCB, 2.5 In x 2.5 In x 0.062 InHPA353Any