SLVUC14A August   2022  – November 2022 TPS62870 , TPS62871 , TPS62872 , TPS62873

 

  1.   TPS62872EVM-144 Evaluation Module
  2.   Trademarks
  3. 1Warning and Caution
  4. 2Introduction
    1. 2.1 Performance Specification
    2. 2.2 Modifications
      1. 2.2.1 Input and Output Capacitors
      2. 2.2.2 Output Voltage Setting
      3. 2.2.3 Control Loop Compensation
      4. 2.2.4 Switching Frequency Setting
      5. 2.2.5 I2C Interface
  5. 3Setup
    1. 3.1 Connector Descriptions
    2. 3.2 Hardware Setup
  6. 4TPS62873EVM-144 Test Results
  7. 5Board Layout
  8. 6Schematic and Bill of Materials
    1. 6.1 Schematic
    2. 6.2 Bill of Materials
  9. 7Revision History

6.2 Bill of Materials

Table 6-1 lists the BOM for this EVM.

Table 6-1 TPS62873EVM-144 BOM
Qty Ref Des Value Description Size Part Number MFR
10 C30, C31, C110, C111, C120, C121, C210, C211, C220, C221 0.47 µF Ceramic Capacitor, 10 V, X7S 0402 GCM155C71A474KE36D any
4 C112, C113, C212, C213 2.2 µF Ceramic Capacitor, 10 V, X7S 0603 CGA3E3X7S1A225K080AB TDK
4 C114, C115, C214, C215 10 µF Ceramic Capacitor, 10 V, X7R 0805 GCM21BR71A106KE22 MuRata
10 C16, C17, C122, C123, C124, C125, C222, C223, C224, C225 22 µF Ceramic Capacitor, 10 V, X7R 1206 GCM31CR71A226KE02 MuRata
4 C32, C33, C34, C35 47 µF Ceramic Capacitor, 6.3 V, X5R 1210 GCM32ER70J476ME19L MuRata
4 C36, C37, C38, C39 100 µF Ceramic Capacitor, 6.3 V, X5R 1210 GRT32ER60J107ME13L MuRata
1 C18 150 µF Polymer Capacitor, 10 V 7.3 × 4.3 mm 10TCF150ML Panasonic
1 C1 1800 pF Ceramic Capacitor, 50 V, X7R 0402 any
2 C2, C3, C4 10 pF Ceramic Capacitor, 50 V, COG/NPO 0402 any
2 L1, L2 110 nH Inductor 4.0 × 4.0 × 2.0 mm XGL4020-111MEC Coilcraft
1 R1 2.43 kΩ Resistor 1%, 0.1 W 0402 any
1 R2 100 kΩ Resistor 1%, 0.1 W 0402 any
2 R104, R204 6.19 kΩ Resistor 1%, 0.1 W 0402 any
2 R6, R12 0 Ω Resistor, 0.1 W 0402 any
1 R7 10 kΩ Resistor 1%, 0.1 W 0402 any
1 R8 1 kΩ Resistor 1%, 0.1 W 0402 any
2 R9, R10 2 kΩ Resistor 1%, 0.1 W 0402 any
1 R13 47.5 kΩ Resistor 1%, 0.1 W 0402 any
2 U1, U2 2.7-V to 6-V Input, 15-A, Fast Transient Synchronous Step-Down Converter with I2C Interface, Remote Sense and Stackability VQFN-FCRLF-16 TPS62873QWRXSRQ1 Texas Instruments