SLUUCJ8 May   2022 TPS62A02 , TPS62A02A

 

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
    1. 1.1 Performance Specification
    2. 1.2 Modifications
      1. 1.2.1 Input and Output Capacitors
      2. 1.2.2 Feedforward Capacitor
  4. 2Setup
    1. 2.1 Connector Descriptions
    2. 2.2 Hardware Setup
  5. 3Board Layout
  6. 4TPS62A02EVM-197 Test Results
  7. 5Schematic and Bill of Materials
    1. 5.1 Schematic
    2. 5.2 Bill of Materials

5.2 Bill of Materials

Table 5-1 lists the BOM for this EVM.

Table 5-1 TPS62A02EVM-197 and TPS62A02AEVM-197 Bill of Materials
Quantity Ref Des Value Description Size Part Number MFR
TPS62A02EVM-197 TPS62A02AEVM-197
1 1 C1 4.7 μF Capacitor, Ceramic, 10 V, X7R, ±10% 0805 GRM21BR71A475KE51L Murata
1 1 C2 22 μF Capacitor, Ceramic, 10 V, X7R, ±10% 0805 GRM21BZ71A226ME15L Murata
1 1 C3 47 μF Capacitor, Ceramic, 10 V, X7R, ±20% 1210 GRM32ER71A476ME15L Murata
1 1 C4(1) 120 pF Capacitor, Ceramic, 50 V, C0G/NP0, ±5% 0603 GRM1885C1H121JA01D Murata
1 1 L1 1 μH Inductor, Shielded, 4.9 A, 0.0213 Ω

3.65 × 3.35 × 1.5 mm

 XGL3515-102MEC Coilcraft
1 1 R1 200 k Resistor, Chip, 0.1 W, 1% 0603 Std Std
1 1 R2 100 k Resistor, Chip, 0.1 W, 1% 0603 Std Std
1 1 R3 499 k Resistor, Chip, 0.1 W, 1% 0603 Std Std
1 0 U1 TPS62A02 IC, 5.5-V, 2-A Step-Down Converter 1.6 ×1.6 mm TPS62A02 TI
0 1 U1 TPS62A02A IC, 5.5-V, 2-A Step-Down Converter with forced PWM operation 1.6 × 1.6 mm TPS62A02A TI
(1) C4 is feedforward capacitor, which is optional. The device is fully functional without C4.