SLUU420A May   2010  – February 2022 TPS51217

 

  1.   Trademarks
  2. 1 Description
    1. 1.1 Typical Applications
    2. 1.2 Features
  3. 2 Electrical Performance Specifications
  4. 3 Schematic
  5. 4 Test Setup
    1. 4.1 Test Equipment
      1. 4.1.1 Voltage Source
      2. 4.1.2 Multimeters
      3. 4.1.3 Pulse Generator
      4. 4.1.4 Output Load
      5. 4.1.5 Oscilloscope
      6. 4.1.6 Fan
      7. 4.1.7 Recommended Wire Gauge
    2. 4.2 Recommended Test Setup
      1. 4.2.1 Input Connections
      2. 4.2.2 Output Connections
      3. 4.2.3 Other Connections
    3. 4.3 List of Test Points
  6. 5 Test Procedure
    1. 5.1 Line/Load Regulation and Efficiency Measurement Procedure
    2. 5.2 Dynamic Output Voltage Transition Measurement Procedure
    3. 5.3 Equipment Shutdown
  7. 6 Performance and Typical Characteristic Curves
    1. 6.1 Efficiency
    2. 6.2 Load Regulation
    3. 6.3 Line Regulation
    4. 6.4 Transient Response
    5. 6.5 Output Ripple
    6. 6.6 Switch-Node Voltage
    7. 6.7 Start and Stop
    8. 6.8 Dymamic Output Voltage Transitions
  8. 7 EVM Assembly Drawing and PCB Layouts
  9. 8 List of Materials
  10. 9 References
  11. 10Revision History

8 List of Materials

List of materials for the TPS51217EVM.

Table 8-1 List of Materials
REFDES QTY DESCRIPTION MFR PART NUMBER
C11Capacitor, ceramic, 4.7 nF, 50 V, X7R, 5%, 0603STDSTD
C2, C82Capacitor, ceramic, 0.1 µF, 50 V, X7R, 10%, 0603STDSTD
C31Capacitor, ceramic, 1 µF, 16 V, X7R, 10%, 0603STDSTD
C4, C5, C6, C74Capacitor, ceramic, 10 µF, 25 V, X7R, 10%, 1210TDKC3225X7R1E106K
C9, C10, C11, C124Capacitor, aluminum, 330 µF, 2 V, 12 mΩ, 20%PanasonicEEFCX0D331XR
C131Capacitor, ceramic, 0.01 µF, 50 V, X7R, 10%, 0603STDSTD
C141Capacitor, ceramic, 1 nF, 50 V, X7R, 10%, 0603STDSTD
C161Capacitor, ceramic, 100 pF, 50 V, CH, 5%, 0603STDSTD
C171Capacitor, ceramic, 51 pF, 50 V, CH, 5%, 0603STDSTD
C15, C18, C19, C200Not used
L11Inductor, power choke SMT, 17 A, 1.1 mΩPanasonicETQP4LR45XFC
Q11MOSFET, N-channel, 30 V, 35 A, 7.0 mΩFairchildFDMS8680
Q2, Q32MOSFET, N-channel, 30 V, 42 A, 3.0 mΩFairchildFDMS8670AS
Q51MOSFET, dual, N-channel, 30 V, 100 mARohmEM6K1
Q40Not used
R11Resistor, chip, 10.0 kΩ, 1/16W, 1%, 0603STDSTD
R21Resistor, chip, 20 kΩ, 1/16W, 1%, 0603STDSTD
R31Resistor, chip, 33 kΩ, 1/16W, 1%, 0603STDSTD
R41Resistor, chip, 100 kΩ, 1/16W, 1%, 0603STDSTD
R51Resistor, chip, 0 Ω 1/16W, 1%, 0603STDSTD
R61Resistor, chip, 1 Ω, 1/16W, 1%, 0603STDSTD
R7, R82Resistor, chip, 1 kΩ, 1/16W, 1%, 0603STDSTD
R91Resistor, chip, 820 Ω, 1/16W, 1%, 0603STDSTD
R101Resistor, chip, 51 kΩ, 1/16W, 1%, 0603STDSTD
R111Resistor, chip, 10 kΩ, 1/16W, 1%, 0603STDSTD
R121Resistor, chip, 30 kΩ, 1/16W, 1%, 0603STDSTD
R131Resistor, chip, 430 Ω, 1/16W, 1%, 0603STDSTD
R14, R15, R16, R17, R18, R190Not used
U11IC, single synchronous step-down controllerTITPS51217DSC