SNVA853C December   2019  – March 2024 LMZ10500 , LMZ10501 , LMZ20501 , LMZ20502 , LMZ21700 , LMZ21701 , LMZ30604 , LMZ31506 , LMZ31520 , LMZ31530 , LMZ31704 , LMZ31707 , LMZ31710 , LMZ34202 , LMZ35003 , LMZ36002 , LMZM23600 , LMZM23601 , LMZM33602 , LMZM33603 , LMZM33604 , LMZM33606 , TLVM13610 , TLVM13630 , TLVM13640 , TLVM13660 , TLVM23615 , TLVM23625 , TPS82085 , TPS82130 , TPSM265R1 , TPSM33615 , TPSM33625 , TPSM365R3 , TPSM365R6 , TPSM53604 , TPSM5601R5 , TPSM5601R5H , TPSM5601R5HE , TPSM560R6 , TPSM63603 , TPSM63604 , TPSM63606 , TPSM63608 , TPSM63610 , TPSM84424 , TPSM84624 , TPSM846C23 , TPSM846C24 , TPSM84824

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Package Types
    1. 2.1 MicroSiP
    2. 2.2 QFN Overmolded
    3. 2.3 QFN Open Frame
    4. 2.4 Leaded
    5. 2.5 QFN-FCMOD
  6. 3Package CAD/CAE Symbols and Footprints
  7. 4Soldering
    1. 4.1 MSL Ratings
    2. 4.2 Reflow Profile
    3. 4.3 Back Side PCB Mounting Considerations
      1. 4.3.1 Method 1 - Solder Surface Perimeter
      2. 4.3.2 Method 2 - Solder Surface Area
      3. 4.3.3 Back Side PCB Mounting Evaluation of TI Modules
      4. 4.3.4 Reflow Fixture
  8. 5Rework During Prototyping
  9. 6References
  10. 7Revision History

1 Introduction

Power modules aim to simplify power supply design by integrating the power converter IC along with an inductor or inductors, a capacitor or capacitors, and other passive components into a single power module package. The modules come in different types of packages depending on their voltage ratings, current ratings, and target applications. This document addresses some common questions about power modules including the following:

  • Package construction details
  • MSL ratings and soldering reflow profile
  • Back side mounting capability
  • Rework guidance for prototyping