SLUUCL8A December   2021  – February 2022 TPSM8D6C24

 

  1.   Trademarks
  2. 1 Description
    1. 1.1 Before You Begin
    2. 1.2 Features
  3. 2 Electrical Performance Specifications
  4. 3 Schematic
  5. 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
  6. 5 EVM Configuration Using the Fusion GUI
    1. 5.1 Configuration Procedure
  7. 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
  8. 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
  9. 8 EVM Assembly Drawing and PCB Layout
  10. 9 Bill of Materials
  11. 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
  12. 11Revision History

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 TPSM8D6C24EVM-2PH Electrical Performance Specifications
ParameterTest ConditionsMINTYPMAXUnit
Input Characteristics
Input voltage range, VIN51216V
Full load input current IOUT = 70 A 5.8 A
VIN = 5 V, IOUT = 70 A 14 A
No load input current IOUT = 0 A, switching enabled 123 mA
Enable switching threshold Set by default resistor divider, JP3 and JP4 in UVLO position 3.92 V
Disable switching threshold Set by default resistor divider, JP3 and JP4 in UVLO position 3.50 V
Output Characteristics
Output voltage, VOUT0.8
Output load current, IOUT070A
Output voltage regulation Line regulation: VIN = 5 V to 16 V 0.1%
Load regulation: IOUT = 0 A to 70 A 0.1%
Output overcurrent fault threshold Programmed by MSEL2 52 A
Systems Characteristics
Switching frequencyProgrammed by MSEL1550kHz
Operating case temperature IOUT = 70 A, Airflow = 200 LFM, 10 minute soak 99 °C