SLVUB56A July   2017  – September 2021 TPS54424

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Background
    2. 1.2 Performance Specification Summary
    3. 1.3 Modifications
      1. 1.3.1 Output Voltage Setpoint
      2. 1.3.2 Adjustable UVLO
  3. 2Test Setup and Results
    1. 2.1  Input/Output Connections
    2. 2.2  Efficiency
    3. 2.3  Output Voltage Regulation
    4. 2.4  Load Transient and Loop Response
    5. 2.5  Output Voltage Ripple
    6. 2.6  Input Voltage Ripple
    7. 2.7  Powering Up
    8. 2.8  Powering Down
    9. 2.9  Start-Up Into Pre-Bias
    10. 2.10 Hiccup Mode Current Limit
  4. 3Board Layout
    1. 3.1 Layout
  5. 4Schematic and Bill of Materials
    1. 4.1 Schematic
    2. 4.2 Bill of Materials
  6. 5Revision History

4.2 Bill of Materials

Table 4-1 presents the bill of materials for the TPS54424EVM-779.

Table 4-1 TPS54424EVM-779 Bill of Materials
DesignatorQtyValueDescriptionPackage ReferencePart NumberManufacturer
C3, C4210 μFCAP, CERM, 10 µF, 25 V, ± 10%, X5R, 12061206GRM31CR61E106KA12LMurata
C5, C6, C830.1 μFCAP, CERM, 0.1 μF, 25V, ±10%, X7R, 0603060306033C104KAT2AAVX
C71100 μFCAP, AL, 100 µF, 50 V, ±20%, 0.18 Ω, THCap, 10x12.5mmUBT1H101MPD1TDNichicon
C91100 μFCAP, CERM, 100 µF, 6.3 V, ±20%, X5R, 12101210GRM32ER60J107ME20LMurata
C16, C1828200 pFCAP, CERM, 8200 pF, 25 V, ±10%, X7R, 06030603GRM188R71E822KA01DMurata
C17168 pFCAP, CERM, 68 pF, 50 V, ±5%, C0G/NP0, 06030603GRM1885C1H680JA01DMurata
J1, J22Terminal Block, 5.08 mm, 2 × 1, Brass, TH2 × 1 5.08 mm Terminal BlockED120/2DSOn-Shore Technology
J3, J42Header, 100 mil, 2 × 1, Gold, THHeader, 100 mil, 2 × 1, THHTSW-102-07-G-SSamtec
L111.8 μHInductor, Shielded, Powdered Iron, 1.8 µH, 5.8 A, 0.021 Ω, SMD4.1 × 4.1 mm74438357018Wurth Elektronik
R11100 kRES, 100 k, 5%, 0.1 W, 06030603CRCW0603100KJNEAVishay-Dale
R2186.6 kRES, 86.6 k, 1%, 0.1 W, 06030603CRCW060386K6FKEAVishay-Dale
R4110RES, 10, 5%, 0.1 W, 06030603CRCW060310R0JNEAVishay-Dale
R513.48 kRES, 3.48 k, 1%, 0.1 W, 06030603CRCW06033K48FKEAVishay-Dale
R616.04 kRES, 6.04 k, 1%, 0.1 W, 06030603CRCW06036K04FKEAVishay-Dale
R7169.8 kRES, 69.8 k, 1%, 0.1 W, 06030603CRCW060369K8FKEAVishay-Dale
R8112.1 kRES, 12.1 k, 1%, 0.1 W, 06030603CRCW060312K1FKEAVishay-Dale
R9130.9 kRES, 30.9 k, 1%, 0.1 W, 06030603CRCW060330K9FKEAVishay-Dale
SH-J1, SH-J221 × 2Shunt, 100 mil, Gold plated, BlackShuntSNT-100-BK-GSamtec
TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8, TP9, TP10, TP11, TP12, TP13, TP14, TP1515Test Point, Miniature, SMTTestpoint_Keystone_Miniature5015Keystone
U114.5-V to 17-V Input, 8-A Synchronous Step-Down Voltage Regulator, RNV0018B (VQFN-HR-18)RNV0018BTPS54424RNVRTexas Instruments
C1, C2022 μFCAP, CERM, 22 µF, 35 V, ±20%, X5R, 12061206C3216X5R1V226M160ACTDK
C100100 μFCAP, CERM, 100 µF, 6.3 V, ±20%, X5R, 12101210GRM32ER60J107ME20LMurata
C11, C12047 μFCAP, CERM, 47 µF, 6.3 V, ±20%, X5R, 12061206GRM31CR60J476ME19LMurata
C1910100 pFCAP, CERM, 100 pF, 50 V, ±5%, C0G/NP0, 06030603885012006057Wurth Elektronik
C20047 pFCAP, CERM, 47 pF, 50 V, ±5%, C0G/NP0, 0603060306035A470JAT2AAVX
R1002.00 kRES, 2.00 k, 1%, 0.1 W, 06030603CRCW06032K00FKEAVishay-Dale