SLUUCQ0A may   2023  – june 2023 TPS922052 , TPS922053 , TPS922054 , TPS922055

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Warnings and Cautions
  6. 3Description
    1. 3.1 Typical Applications
  7. 4Test Setup
    1. 4.1 Connector Description
    2. 4.2 Input/Output Connection
  8. 5Typical Characteristics Curves and Waveforms
    1. 5.1 Efficiency
    2. 5.2 Line Regulation
    3. 5.3 Load Regulation
    4. 5.4 Analog Dimming Performance
    5. 5.5 PWM Dimming Performance
    6. 5.6 Hybrid Dimming Performance
    7. 5.7 Flexible Dimming Performance
  9. 6Schematic
  10. 7Layout
  11. 8Bill of Materials
  12. 9Revision History

6 Schematic

Figure 6-1 shows the schematic for TPS922055DMTREVM. The main difference between TPS922055DMTREVM, TPS922055DRRREVM and TPS922053DYYREVM schematic is the main LED driver IC. Another difference is that for TPS922055DMTREVM and TPS922055DRRREVM, the R1 is 0.05 ohm. While for TPS922053DYYREVM, the R1 is 0.1 ohm.

GUID-20230302-SS0I-D01F-1KJD-2NTMGHFNDZFD-low.pngFigure 6-1 TPS92205xEVM Schematic