SLUUCO2 August   2022 TPSM8D6B24

 

  1.   Abstract
  2.   Trademarks
  3. 1 Description
    1. 1.1 Before You Begin
    2. 1.2 Features
  4. 2 Electrical Performance Specifications
  5. 3 Schematic
  6. 4 Test Setup
    1. 4.1 Test and Configuration Software
      1. 4.1.1 Description
      2. 4.1.2 Features
    2. 4.2 Test Equipment
      1. 4.2.1 Voltage Source
      2. 4.2.2 Oscilloscope
      3. 4.2.3 Multimeters
      4. 4.2.4 Output Load
      5. 4.2.5 Fan
      6. 4.2.6 USB-to-GPIO Interface Adapter
      7. 4.2.7 Recommended Wire Gauge
    3. 4.3 List of Test Points, Jumpers, and Connectors
    4. 4.4 Evaluating Split Rail Input
  7. 5 EVM Configuration Using the Fusion GUI
    1. 5.1 Configuration Procedure
  8. 6 Test Procedure
    1. 6.1 Line and Load Regulation and Efficiency Measurement Procedure
    2. 6.2 Efficiency Measurement Test Points
    3. 6.3 Control Loop Gain and Phase Measurement Procedure
  9. 7 Performance Data and Typical Characteristic Curves
    1. 7.1 Efficiency
    2. 7.2 Load Regulation
    3. 7.3 Line Regulation
    4. 7.4 Transient Response
    5. 7.5 Control Loop Bode Plot
    6. 7.6 Output Ripple
    7. 7.7 Control On
    8. 7.8 Control Off
    9. 7.9 Thermal Image
  10. 8 EVM Assembly Drawing and PCB Layout
  11. 9 Bill of Materials
  12. 10Using the Fusion GUI
    1. 10.1  Opening the Fusion GUI
    2. 10.2  General Settings
    3. 10.3  Changing ON_OFF_CONFIG
    4. 10.4  Pop-Up for Some Commands While Conversion is Enabled
    5. 10.5  SMBALERT# Mask
    6. 10.6  Device Info
    7. 10.7  Phase Commands
    8. 10.8  All Config
    9. 10.9  Pin Strapping
    10. 10.10 Monitor
    11. 10.11 Status

2 Electrical Performance Specifications

Table 2-1 lists the electrical performance specifications in room temperature (20°C to 25°C). Characteristics are given for an input voltage of VIN = 12 V, unless otherwise specified.

Table 2-1 TPSM8D6B24EVM-2V0 Electrical Performance Specifications
ParameterTest ConditionsMINTYPMAXUnit
Input Characteristics
Input voltage range, VIN51216V
Full load input currentIOUTA = IOUTB = 25 A

11.6

A
VIN = 5 V, IOUTA = IOUTB = 25 A27A
No load input currentIOUTA = IOUTB = 0 A, switching enabled136mA
Enable switching thresholdSet by default resistor divider, JP3 and JP4 in UVLO position3.92V
Disable switching thresholdSet by default resistor divider, JP3 and JP4 in UVLO position3.50V
Output Characteristics
VOUT_A output voltage, VOUTA1.8V
VOUT_B output voltage, VOUTB3.32V
VOUT_A output load current, IOUTA025A
VOUT_B output load current, IOUTB025A
VOUT_A output voltage regulationLine regulation: VIN = 5 V to 16 V0.1%
Load regulation: IOUTA = 0 A to 25 A0.1%
VOUT_B output voltage regulationLine regulation: VIN = 5 V to 16 V0.1%
Load regulation: IOUTB = 0 A to 25 A0.1%
VOUT_A output overcurrent fault thresholdProgrammed by MSEL239A
VOUT_B output overcurrent fault thresholdProgrammed by MSEL239A
Systems Characteristics
Switching frequencyProgrammed by MSEL1550kHz
Operating case temperatureIOUTA = IOUTB = 25 A, airflow = 200 LFM, 10-minute soak100°C