SLUUCR2 October   2023 TPSM843620

 

  1.   1
  2.    TPSM843620EVM 6-A, SWIFT™ Regulator Evaluation Module
  3.   Trademarks
  4. 1Introduction
    1. 1.1 Background
    2. 1.2 Before You Begin
    3. 1.3 Performance Characteristics Summary
  5. 2Configurations and Modifications
    1. 2.1 Output Voltage
    2. 2.2 Switching Frequency (SYNC/FSEL Pin)
    3. 2.3 Current Limit, Soft-Start Time, and Internal Compensation (MODE Pin)
    4. 2.4 Adjustable UVLO
  6. 3Test Setup and Results
    1. 3.1  Input/Output Connections
    2. 3.2  BOM Modifications for Spins
    3. 3.3  Efficiency
    4. 3.4  Output Voltage Regulation
    5. 3.5  Load Transient and Loop Response
    6. 3.6  Output Voltage Ripple
    7. 3.7  Input Voltage Ripple
    8. 3.8  Start-up and Shutdown with EN
    9. 3.9  Start-up and Shutdown with VIN
    10. 3.10 Start-up Into Pre-Bias
    11. 3.11 Thermal Performance
  7. 4Board Layout
    1. 4.1 Layout
  8. 5Schematic and Bill of Materials
    1. 5.1 Schematic
    2. 5.2 Bill of Materials

3.2 BOM Modifications for Spins

The TPSM843620EVM is designed to be used for evaluation of the TPSM843620, TPSM843820, and TPSM843320. Here are recommended BOM changes to be made to the evaluation module for the best performance of each device.

Table 3-3 BOM Modifications
COMPONENT REFERENCE DESIGNATOR TPSM843620 (6 A)(1) TPSM843820 (8 A) TPSM843320 (3 A)
MODULE U1 TPSM843620 TPSM843820 TPSM843320
CFF C9 100 pF 42 pF 100 pF
MODE J4 Short pins 3-4 (4.87 kΩ) Short pins 3-4 (4.87 kΩ) Short pins 5-6 (11.3 kΩ)
FSEL J5 Short pins 5-6 (11.8 kΩ = 1000 kHz) Short pins 7-8 (8.06 kΩ = 1500 kHz) Short pins 5-6 (11.8 kΩ = 1000 kHz)
(1) Default Setting