SLUU406A February   2010  – January 2022 CSD16322Q5 , CSD16410Q5A , TPS40303 , TPS40304 , TPS40305

 

  1.   Trademarks
  2. 1Description
    1. 1.1 Applications
    2. 1.2 Features
  3. 2TPS40305EVM-488 Electrical Performance Specifications
  4. 3TPS40305EVM-488 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 Set Up
    1. 5.1 Equipment
      1. 5.1.1 Voltage Source
      2. 5.1.2 Meters
      3. 5.1.3 Loads
      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. 6TPS40305EVM-488 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. 7TPS40305EVM-488 Assembly Drawings and Layout
  9. 8TPS40305EVM-488 Bill of Materials
  10. 9Revision History

8 TPS40305EVM-488 Bill of Materials

Table 8-1 TPS40305EVM-488 Bill of Materials
QTY RefDes Value Description Size Part Number MFR
2 C1, C2 10 µF Capacitor, Ceramic, 25 V, X7R, 10% 1210 Std Std
1 C10 4.7 µF Capacitor, Ceramic, 10 V, X7R, 20% 0805 Std Std
1 C11 1 µF Capacitor, Ceramic, 25 V, X7R, 20% 0805 Std Std
0 C12 1 nF Capacitor, Ceramic, 25 V, X5R, 20% 0603 Std Std
1 C13 3.3 nF Capacitor, Ceramic, 10 V, X7R, 20% 0603 Std Std
1 C3 330 µF Capacitor, Aluminum, 25 V, ±20%, 160mΩ 0.328 × 0.390 inch EEEFK1E331P Panasonic
1 C4 3300 pF Capacitor, Ceramic, 25 V, X7R, 10% 0603 Std Std
1 C5 150 pF Capacitor, Ceramic, 25 V, X7R, 10% 0603 Std Std
1 C6 820 pF Capacitor, Ceramic, 25 V, X7R, 10% 0603 Std Std
1 C7 100 nF Capacitor, Ceramic, 16 V, X7R, 20% 0603 Std Std
2 C8, C9 22 µF Capacitor, Ceramic, 6.3 V, X5R, 20% 0805 Std Std
2 J1, J2 ED120/2DS Terminal Block, 2-pin, 15-A, 5.1 mm 0.40 × 0.35 inch ED120/2DS OST
2 JP1, JP2 PEC02SAAN Header, 2-pin, 100-mil spacing 0.100 inch x 2 PEC02SAAN Sullins
1 L1 0.32 µH Inductor, SMT, 17A 0.268 × 0.268 inch PG0083.401NLT Pulse
1 Q1* CSD16410Q5A MOSFET, N-Chan, 25 V, 59 A, 9.6 mΩ QFN-8 POWER CSD16410Q5A TI
1 Q2* CSD16322Q5 MOSFET, N-Chan, 25 V, 97 A, 4.5 mΩ QFN-8 POWER CSD16322Q5 TI
1 R1 2.20 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R2 422 Ω Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R3 49.9 Ω Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R4 10.0 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R5 0 Ω Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R6 4.99 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std
0 R7 2.2 Ω Resistor, Chip, 1/8W, 5% 1206 Std Std
1 R8 2.37 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std
2 R9, R10 267 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std
2 TP1, TP3 5000 Test Point, Red, Thru Hole Color Keyed 0.100 × 0.100 inch 5000 Keystone
0 TP15 None Test Point, SM, 2 × 3 mm 0.118 × 0.079 inch
6 TP2, TP4, TP6, TP8, TP9, TP18 5001 Test Point, Black, Thru Hole Color Keyed 0.100 × 0.100 inch 5001 Keystone
9 TP5, TP7, TP10– TP14, TP16, TP17 5002 Test Point, White, Thru Hole Color Keyed 0.100 × 0.100 inch 5002 Keystone
1 U1* TPS40305DRC IC, 3-V to 20-V sync. 600-kHz Buck Controller w/ LLE and FSS DRC10 TPS40305DRC TI