SLUUCU3 November   2023

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
      1. 1.1.1 Before You Begin
    2. 1.2 Kit Contents
    3. 1.3 Specifications
    4. 1.4 Device Information
  8. 2Hardware
    1. 2.1 Test Equipment
      1. 2.1.1 Voltage Source
      2. 2.1.2 Oscilloscope
      3. 2.1.3 Multimeters
      4. 2.1.4 Output Load
      5. 2.1.5 Fan
      6. 2.1.6 USB-to-GPIO Interface Adapter
      7. 2.1.7 Recommended Wire Gauge
      8. 2.1.8 List of Test Points, Jumpers, and Connectors
    2. 2.2 Test Setup
      1. 2.2.1 Test and Configuration Software
        1. 2.2.1.1 Description
        2. 2.2.1.2 Features
      2. 2.2.2 Evaluating Split Rail Input
  9. 3Software
    1. 3.1 Using the Fusion GUI
      1. 3.1.1  Opening the Fusion GUI
      2. 3.1.2  General Settings
      3. 3.1.3  Changing ON_OFF_CONFIG
      4. 3.1.4  Pop-Up for Some Commands While Conversion is Enabled
      5. 3.1.5  SMBALERT# Mask
      6. 3.1.6  Device Info
      7. 3.1.7  Phase Commands
      8. 3.1.8  All Config
      9. 3.1.9  Monitor
      10. 3.1.10 Status
    2. 3.2 EVM Configuration Using the Fusion GUI
      1. 3.2.1 Configuration Procedure
  10. 4Implementation Results
    1. 4.1 Performance Data and Typical Characteristic Curves
      1. 4.1.1 Efficiency
      2. 4.1.2 Load Regulation
      3. 4.1.3 Line Regulation
      4. 4.1.4 Transient Response
      5. 4.1.5 Control Loop Bode Plot
      6. 4.1.6 Output Ripple
      7. 4.1.7 Control On
      8. 4.1.8 Control Off
      9. 4.1.9 Thermal Image
    2. 4.2 Test Procedure
      1. 4.2.1 Line and Load Regulation and Efficiency Measurement Procedure
      2. 4.2.2 Efficiency Measurement Test Points
      3. 4.2.3 Control Loop Gain and Phase Measurement Procedure
  11. 5Hardware Design Files
    1. 5.1 Schematic
    2. 5.2 EVM Assembly Drawing and PCB Layout
    3. 5.3 Bill of Materials
  12. 6Additional Information
    1.     Trademarks

1.3 Specifications

Table 2-2 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 1-2 TPSM8S6C24SEVM-1PH Electrical Performance Specifications(1)
Parameter Test Conditions MIN TYP MAX Unit
Input Characteristics
Input voltage range, VIN 5 12 16 V
Full load input current IOUT = 35 A

4.3

 A
VIN = 5 V, IOUT = 35 A 9.84 A
No load input current VIN=12 V, IOUT = 0 A, switching enabled 76 mA
Enable switching threshold Set by default resistor divider, JP4 pin3 and 4 shorted 3.92 V
Disable switching threshold Set by default resistor divider, JP4 pin3 and 4 shorted 3.51 V
Output Characteristics
Output voltage, VOUT 1.2 V
Output load current, IOUT 0 35 A
Output voltage regulation Line regulation: VIN = 5 V to 16 V 0.1%
Load regulation: IOUT = 0 A to 35 A 0.1%
Output voltage ripple IOUT=35A 10 mV
Output voltage undershoot IOUT=17.5A to 35 A step at 1 A/µs 28 mV
Output voltage overshoot IOUT=17.5A to 35 A setp at 1 A/μs 33 mV
VOUT output overcurrent fault threshold Programmed by MSEL2 52 A
Systems Characteristics
Switching frequency Programmed by MSEL1 650 kHz
Full load efficiency, VOUT IOUT=35A 84.7 %
Loop bandwidth IOUT=35A 63.5 kHz
Phase margin 68.6 °
Operating case temperature IOUT = 35 A, airflow = 200 LFM, 10-minute soak 96 °C
PMBus Interface and Pin-Strapping
PMBus address Programmed by NVM and ADRSEL 36 Decimal
Voltage reference Default setting of VOUT_COMMAND programmed by VSEL 1.2 V
Soft-start time(TON_RISE) Default setting iof TON_RISE programmed by MSEL2 3 ms
(1) The efficiency is measured using the test points listed in Table 5-1 to minimize the effect of DC drops caused by onboard copper traces.