SLUU274A May   2007  – January 2022 TPS40193

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Description
    2. 1.2 Applications
    3. 1.3 Features
  3. 2TPS40193EVM-001 Electrical Performance Specifications
  4. 3Schematic
  5. 4General Configuration and Description
    1. 4.1 Adjusting Output Voltage (R7)
    2. 4.2 Adjusting Short-Circuit Protection (R9)
    3. 4.3 Disable Jumper (JP1)
    4. 4.4 Test Point Descriptions
      1. 4.4.1 Input Voltage Monitoring (TP1, TP2)
      2. 4.4.2 Power-Good (TP3, TP4, TP5)
      3. 4.4.3 Compensation and Initialization (TP6)
      4. 4.4.4 Switching Waveforms (TP7, TP8, TP9, TP10)
      5. 4.4.5 Loop Analysis (TP11, TP12, TP13, TP14)
      6. 4.4.6 Output Voltage and Monitoring (TP15, TP16)
      7. 4.4.7 Pre-Bias Input (TP17)
  6. 5Test Setup
    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
    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. 6TPS40193EVM-001 Typical Performance Data and Characteristic Curves
    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 Plot
      1. 6.5.1 Low Line (VIN = 8 V)
      2. 6.5.2 High Line (VIN = 14 V)
  8. 7EVM Assembly Drawings and Layout
  9. 8Bill of Materials
  10. 9Revision History

8 Bill of Materials

Table 8-1 lists the EVM components as configured according to the schematic (see Figure 3-1).

Table 8-1 Bill of Materials
Qty RefDes Value Description Size Part Number MFR
1 C1 47 pF Capacitor, Ceramic, 10 V, C0G, 10% 0603 STD STD
1 C11 1.0 μF Capacitor, Ceramic, 6.3 V, X5R, 20% 0603 STD STD
1 C12 0.1 μF Capacitor, Ceramic, 6.3 V, X5R, 20% 0603 STD STD
1 C2 1000 pF Capacitor, Ceramic, 10 V, C0G, 10% 0603 STD STD
1 C3 2200 pF Capacitor, Ceramic, 10 V, C0G, 10% 0603 STD STD
1 C4 1.0 μF Capacitor, Ceramic, 25 V, X5R, 20% 0805 STD STD
1 C5 4.7 μF Capacitor, Ceramic, 10 V, X5R, 20% 0805 STD STD
1 C6 220 nF Capacitor, Ceramic, 10 V, X5R, 20% 0603 Std Std
2 C7, C9 22 μF Capacitor, Ceramic, 25 V, X5R, 20% 1210 C3225X7R1E106M TDK
2 C8, C10 100 μF Capacitor, Ceramic, 6.3 V, X5R, 20% 1210 C3225X5R0J107M TDK
1 D2 BAT54HT1 Diode, Schottky, 200-mA, 30-V SOD323 BAT54HT1 On Semi
2 J1, J2 ED1609-ND Terminal Block, 2-pin, 15-A, 5.1 mm 0.40in x 0.35in ED1609 OST
1 JP1 PTC36SAAN Header, 3-pin, 100-mil spacing, (36-pin strip) 0.100in x 3in PTC36SAAN Sullins
1 L1 2 Inductor, SMT, xxA 0.512in x 0.571in PG0077.xxx Pulse
1 Q1 2N7002W Mosfet, N-Ch, VDS 60v, RDS 2 ohms, ID 115 mA SOT-323 (SC-70) 2N7002W-7 Diodes Inc
1 Q2** IRF7828 XSTR, MOSFET, N-Chan, 30 V, Rds(ON) 9.5 mΩ SO8 IRF7828 IR
1 Q3** IRF7832Z XSTR, MOSFET, N-Chan, 30 V, Rds(ON) 4.8 mΩ SO8 IRF7832Z IR
2 R1, R2 51 k Resistor, Chip, 1/16W, 5% 0603 Std Std
1 R10 1.0 k Resistor, Chip, 1/16W, 1% 0603 Std Std
2 R11, R13 0 Resistor, Chip, 1/16W, 5% 0603 Std Std
1 R12 100 k Resistor, Chip, 1/16W, 5% 0603 Std Std
1 R14 49.9 Resistor, Chip, 1/16W, 5% 0603 Std Std
1 R15 10 k Resistor, Chip, 1/16W, 5% 0603 Std Std
1 R16 100 Resistor, Chip, 1/16W, 5% 0603 Std Std
1 R3 5.1 k Resistor, Chip, 1/16W, 5% 0603 Std Std
1 R4 100 k Resistor, Chip, 1/16W, 1% 0603 Std Std
0 R5 Open Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R6 7.50 k Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R7 9.76 k Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R8 20 k Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R9 3.9 k Resistor, Chip, 1/16W, 5% 0603 Std Std
4 TP1, TP4, TP15, TP17 5010 Test Point, Red, Thru Hole 0.125in x 0.125in 5010 Keystone
6 TP2, TP5, TP7, TP11, TP14, TP16 5011 Test Point, Black, Thru Hole 0.125in x 0.125in 5011 Keystone
7 TP3, TP6, TP8, TP9, TP10, TP12, TP13 5012 Test Point, White, Thru Hole 0.125in x 0.125in 5012 Keystone
1 U1 TPS40193DRC IC, Cost Optimized Mid Vin Freq. 300kHz Sync. Buck controller DRC10 TPS40193DRC Texas Instruments
1 -— — PCB, 3 In x 3 In x 0.062 In — HPA238 Any
1 — — Shunt, 100-mil, Black 0.100 929950-00 3M