SLUU535A September   2011  – January 2022 TPS40400

 

  1. 1 Introduction
  2. 2 Description
    1. 2.1 Typical Applications
    2. 2.2 Features
  3. 3 Electrical Performance Specifications
  4. 4 Schematic
  5. 5 Test Setup
    1. 5.1 Test and Configuration Software
      1. 5.1.1 Description
      2. 5.1.2 Features
    2. 5.2 Test Equipment
      1. 5.2.1 Voltage Source
      2. 5.2.2 Multimeters
      3. 5.2.3 Output Load
      4. 5.2.4 Oscilloscope
      5. 5.2.5 Fan
      6. 5.2.6 Recommended Wire Gauge
    3. 5.3 Recommended Test Setup
    4. 5.4 USB Interface Adapter and Cable
      1. 5.4.1 Input Connections
      2. 5.4.2 Output Connections
      3. 5.4.3 Jumper Connections, JP1 and JP2
      4. 5.4.4 Jumper Configurations
  6. 6 EVM Configuration Using the Fusion GUI
    1. 6.1 Configuration Procedure
    2. 6.2 Fusion GUI Screenshots
  7. 7 Test Procedure
    1. 7.1 Line/Load Regulation and Efficiency Measurement Procedure
    2. 7.2 Control Loop Gain and Phase Measurement Procedure
    3. 7.3 List of Test Points
    4. 7.4 Equipment Shutdown
  8. 8 Performance Data and Typical Characteristic Curves
    1. 8.1  Efficiency
    2. 8.2  Load Regulation
    3. 8.3  Load Transients 1
    4. 8.4  Load Transient 2
    5. 8.5  Load Transient 3
    6. 8.6  Input and Output Ripple
    7. 8.7  Switch Node and HDRV
    8. 8.8  VIN Turn On
    9. 8.9  Enable ON / OFF
    10. 8.10 Turn ON with 92% (1.1V) Pre-bias
    11. 8.11 TPS40400EVM-351 Bode Plot (20-A output)
  9. 9 EVM Assembly Drawing and PCB Layout
  10. 10List of Materials
  11. 11Revision History

10 List of Materials

The EVM components list according to the schematic shown in Figure 4-1.

Table 10-1 TPS40400EVM-351 List of Materials
QTYREF DESDESCRIPTIONPART NUMBERMFR
4C1, C2, C9, C17Capacitor, ceramic, 25 V, X7R, 10%, 100 nF, 0603stdstd
0C10Capacitor, ceramic, open, 0603
1C11Capacitor, tantalum, 6.3 V, 10%, 680 µF, 7343 (D)TPSE687K006R0045AVX
0C12Capacitor, tantalum, open, 7343 (D)
2C13, C14Capacitor, ceramic, 6.3 V, X7R, 10%, 47 µF, 1210stdstd
2C15, C18Capacitor, ceramic, 16 V, X7R, 10%, 1 µF, 0805stdstd
1C16Capacitor, ceramic, 25 V, X7R, 10%, 1.0 nF, 0603stdstd
0C19Capacitor, ceramic, open, 0603
1C20Capacitor, ceramic, 50 V, X7R, 10%, 10 nF, 0603stdstd
1C21Capacitor, ceramic, 25 V, X7R, 10%, 1.0 µF, 1206stdstd
2C3, C4Capacitor, ceramic, 25 V, X7R, 10%, 22 µF, 1210stdstd
1C5Capacitor, aluminum, SM, 330 µF, 25 V, 150 mΩ, FC series, 10 mm x 12 mmEEVFC1E331PPanasonic
1C6Capacitor, ceramic, 50 V, X7R, 10%, 680 pF, 0603stdstd
1C7Capacitor, ceramic, 50 V, X7R, 10%, 2.2 nF, 0603stdstd
1C8Capacitor, ceramic, 50 V, X7R, 10%, 820 pF, 0603stdstd
2D1, D2Diode, LED, red, 2.1 V, 20 mA, 6 mcd, 0603LTST-C190CKTLite On
2J1, J2Terminal block, 2 pin, 15 A, 5.1 mm, D120/2DS, 0.40 inch x 0.35 inchED120/2DSOn Shore Technology
2J3, J4Type L - copper single conductor, one-hole mount, L35, 0.813 inch x 0.375 inchL35Thomas and Betts
1J6Connector, male right angle 2 x 5 pin, 100-mil spacing, 4 wall, 0.607 inch x 0.484 inch86479-3AMP
2JP1, JP2Header, 2 pin, 100-mil spacing, 0.100 inch x 2 inchPTC36SAANSullins
1L1Inductor, SMT, 0.75 µH, 1.2 mΩ, 31 A, 0.512 inch x 0.571 inchPG0077.801Pulse
1Q1MOSFET, N-Channel, 25 V, 20 A, 4.1 mΩ, QFN 5 x 6 mmCSD16404Q5ATI
2Q2, Q3MOSFET, N-Channel, 25 V, 33 A, 1.7 mΩ, QFN-8 POWERCSD16325Q5TI
2R1, R2Resistor, chip, 1/16 W, 5%, 1 kΩ, 0603stdstd
3R10, R17, R19Resistor, chip, 1/16 W, 1%, 10 kΩ, 0603stdstd
1R12Resistor, chip, 1/8 W, 1%, 2.74 Ω, 1206stdstd
1R13Resistor, chip, 1/16 W, 1%, 100 kΩ, 0603stdstd
1R14Resistor, chip, 1/16 W, 1%, 200 Ω, 0603stdstd
1R15Resistor, chip, 1/16 W, 1%, 0 Ω, 0603stdstd
1R16Resistor, chip, 1/16 W, 1%, 6.19 kΩ, 0603stdstd
2R3, R9Resistor, chip, 1/16 W, 1%, 10 Ω, 0603stdstd
1R4Resistor, chip, 1/16 W, 1%, 36.5 kΩ, 0603stdstd
1R5Resistor, chip, 1/16 W, 1%, 54.9 kΩ, 0603stdstd
1R6Resistor, chip, 1/16 W, 1%, 4.99 kΩ, 0603stdstd
3R7, R11, R18Resistor, chip, 1/16 W, 1%, 49.9 Ω, 0603stdstd
1R8Resistor, chip, 1/16 W, 1%, 2.74 kΩ, 0603stdstd
1U13.0-V to 20-V PMBus Synchronous Buck Controller, QFN-24TPS40400RHLTI
1--PCB, 4.1 inch x 2.75 inch x 0.062 inchHPA351Any