SLUU232A September   2005  – January 2022 TPS40190

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Description
    2. 1.2 Applications
    3. 1.3 Features
  3. 2TPS40190EVM-001 Electrical Performance Specifications
  4. 3Schematic
    1. 3.1 Adjusting Output Voltage (R1)
    2. 3.2 Adjusting Short Circuit Protection (R6)
    3. 3.3 Disable (TP1 and SW1)
  5. 4Test Setup
    1. 4.1 Equipment
      1. 4.1.1 Voltage Source (V12V_IN)
      2. 4.1.2 Meters
      3. 4.1.3 Loads (LOAD1)
      4. 4.1.4 Oscilloscope
      5. 4.1.5 Recommended Wire Gauge
      6. 4.1.6 Other
    2. 4.2 Equipment Setup
      1. 4.2.1 Procedure
      2. 4.2.2 Diagram
    3. 4.3 Start-Up/Shutdown Procedure
    4. 4.4 Control Loop Gain and Phase Measurement Procedure
    5. 4.5 Equipment Shutdown
  6. 5TPS40190EVM Typical Performance Data and Characteristic Curves
    1. 5.1 Efficiency
    2. 5.2 Line and Load Regulation
  7. 6EVM Assembly Drawings and Layout
  8. 7List of Materials
  9. 8Revision History

7 List of Materials

Table 7-1 TPS40190EVM-001 Bill of Materials
Count RefDes Description Size Mfr PartNumber
1 C1 Capacitor,Ceramic, 2200 pF, 50 V, X7R 0603 Std Std
1 C11 Capacitor,PosCAP, 330 μF, 6.3 V, 20% 7343 Sanyo 6TPB330M
0 C12 Capacitor,Aluminum, open 8x10mm
1 C13 Capacitor,Ceramic, 22 μF, 6.3 V, X5R 1206 TDK C3216X5R0J226KT
0 C14 Capacitor,Ceramic, open 1206
1 C2 Capacitor,Ceramic, 33 pF, 50 V, C0G 0603 Std Std
0 C3, C4, C9 Capacitor,Ceramic, open 0603
2 C5, C7 Capacitor,Ceramic, 0.1 μF, 16 V, X5R 0603 Std Std
1 C6 Capacitor,Ceramic, 4.7 μF, 6.3 V, X5R 0603 TDK C1608X5R0J475KT
2 C8, C10 Capacitor,Ceramic, 10 μF, 16 V, X5R 1206 TDK C3216X5R1C106KT
0 D1 Diode,Schottky, 0.5 A, 30 V SOD123 OnSemi MBR0530T1
1 J1 TerminalBlock, 2-pin, 6-A, 3.5 mm 0.27x 0.25 OST ED1514
1 J2 TerminalBlock, 2-pin, 15-A, 5.1 mm 0.40x 0.35 OST ED1609
1 L1 Inductor,SMT, 2.2 μH, 12.5 A, 4 mΩ 0.492sq inch Coiltronics DR127-2R2
1 Q1 MOSFET, N-ch, 60 V, 115 mA, 1.2 Ω SOT23 Vishay 2N7002

1

Q2

MOSFET,NChannel, 20 V, 16 A, 9 mΩ

 PWRPAKS0-8

Vishay

Si7366DP

1

Q3

MOSFET,NChannel, 20 V, 40 A, 3.0 mΩ

 PWRPAKS0-8

Vishay

Si7866ADP
1 R1 Resistor,Chip, 6.49 kΩ, 1/16-W, 1% 0603 Std Std
0 R2, R6, R9 Resistor,Chip, Open, 1/16-W, 1% 0603 Std Std
1 R3 Resistor,Chip, 100 kΩ, 1/16-W, 1% 0603 Std Std
2 R4, R5 Resistor,Chip, 10 kΩ, 1/16-W, 1% 0603 Std Std
1 R7 Resistor,Chip, 49.9 Ω, 1/16-W, 1% 0603 Std Std
1 R8 Resistor,Chip, Zero Ω, 1/16-W, 1% 0603 Std Std
1 S1 Switch,ON-ON Mini Toggle 0.28 × 0.18 633-G12AP

4

 TP1, TP2, TP3, TP5

TestPoint, White, Thru Hole

 0.125 × 0.125

Farnell

5012

4

 TP4, TP7, TP10, TP11 TestPoint, Black, Thru Hole 0.125 × 0.125

Farnell

5011

3

 TP6, TP8, TP9

TestPoint, Red, Thru Hole

 0.125 × 0.125

Farnell

5010
1 U1* IC,Low cost synchronous buck controller DRC10 TI TPS40190DRC
1 — PCB,2-Layer FR4, 3.0 inch × 3.0 inch × 0.062 inch 3.0 inch× 3.0 inch Any TPS40190EVM-001
4 — Bumpon,Transparent 0.44 inch× 0.2 inch 3M SJ5303