SLVUC13 February   2022 TPS62872 , TPS62873

 

  1.   Trademarks
  2. 1Warning and Caution
  3. 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
  4. 3Setup
    1. 3.1 Connector Descriptions
    2. 3.2 Hardware Setup
  5. 4TPS62873EVM-143 Test Results
  6. 5Board Layout
  7. 6Schematic and Bill of Materials
    1. 6.1 Schematic
    2. 6.2 Bill of Materials

6.2 Bill of Materials

Table 6-1 lists the BOM for the TPS62873EVM-143.

Table 6-1 TPS62873EVM-143 BOM
Qty Ref Des Value Description Size Part Number MFR
6 C10, C11, C20, C21, C30, C31 0.47 µF Ceramic Capacitor, 10 V, X7S 0402 GCM155C71A474KE36D any
2 C12, C13 2.2 µF Ceramic Capacitor, 10 V, X7S 0603 CGA3E3X7S1A225K080AB TDK
2 C14, C15 10 µF Ceramic Capacitor, 10 V, X7R 0805 GCM21BR71A106KE22 MuRata
6 C16, C17, C22, C23, C24, C25 22 µF Ceramic Capacitor, 10 V, X7R 1206 GCM31CR71A226KE02 MuRata
2 C32,C33 47 µF Ceramic Capacitor, 6.3 V, X7R 1210 GCM32ER70J476ME19L MuRata
2 C34, C35 100 µF Ceramic Capacitor, 6.3 V, X5R 1210 GRT32ER60J107ME13L MuRata
1 C19 100 µF Polymer Capacitor, 10 V 7.3 × 4.3 mm 10TQC100YF Panasonic
1 C1 1800 pF Ceramic Capacitor, 50 V, X7R 0402 any
1 C2, C3 10pF Ceramic Capacitor, 50 V, COG/NPO 0402 any
1 L1 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
2 R2 100 kΩ Resistor 1%, 0.1 W 0402 any
1 R4 6.19 kΩ Resistor 1%, 0.1 W 0402 any
2 R6, R12 0 Ω Resistor 1%, 0.1 W 0402 any
1 R7 10 kΩ Resistor 1%, 0.1 W 0402 any
2 R9, R10 2 kΩ Resistor 1%, 0.1 W 0402 any
1 U1 2.7-V to 6-V Input, 15-A, Fast Transient Synchronous Step-Down Converter with I2C Interface, Remote Sense, and Stackability WQFN-FCRLF16 TPS62873QWRXSRQ1 Texas Instruments