SLUUCU5 June   2024 TPS544C27

 

  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 Electrical Performance Specifications
    3. 1.3 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
    2. 2.2 List of Test Points, Jumpers, and Connectors
    3. 2.3 Efficiency Measurement Test Points
    4. 2.4 Control Loop Gain and Phase Measurement
    5. 2.5 External 5V bias to enhance efficiency
    6. 2.6 Input Current Measurement
  9. 3Software
    1. 3.1 Opening the PMBus Fusion GUI
    2. 3.2 Monitor Page
    3. 3.3 Status Page
  10. 4Performance Data and Typical Characteristics Curves
  11. 5Hardware Design Files
    1. 5.1 Schematics
    2. 5.2 PCB Layout
    3. 5.3 BOM
  12. 6Trademarks

2.2 List of Test Points, Jumpers, and Connectors

Table 3-1 lists the test point functions.

Table 2-1 Test Point Functions
Test Point Name Description
TP1 PVIN_EFF Positive side of input voltage sensing point to measure efficiency
TP2 VOUT Monitor output ripple
TP3 SW Monitor switching node frequency
TP4 PGND_EFF PGND of input voltage sensing point to measure efficiency
TP5 VOUT_EFF Positive side of output voltage sensing point to measure efficiency
TP6 VCC Monitor the voltage on VCC pin
TP7 SW Monitor switching node frequency
TP8 VOUT/BODE_CHB Measurement point of the receiving end from the frequency response analyzer
TP9 VDRV Monitor the voltage on VDRV pin
TP10 VOUT_REG Monitor the output voltage
TP11 VCCEXT Monitor the voltage on EXTBIAS
TP12 PMB_ALERT Monitor PMBus ALERT signal
TP13 PG Monitor the power good signal
TP14 BODE_CHA Inject signal from the frequency response analyzer
TP15 EN Monitor EN pin signal
TP16 PGND_REG Output voltage PGND sense point
TP17 AGND Analog ground test point
TP18 PGND_EFF PGND of output voltage sensing point to measure efficiency
TP19 GOSNS Remote sense reference for PGND
TP20 ADDR Monitor PMBus address voltage
TP21 VCCIO Monitor external 1V pullup voltage for SVID
TP22 AGND Monitor external 1V pull up AGND for SVID
TP23 PMB_CLK Monitor PMBus CLK signal
TP24 PMB_DAT Monitor PMBus DAT signal

Table 3-2 lists the EVM jumper functions

Table 2-2 Jumper Functions
Jumper Name Description
J5 PG_PULLUP Shunt short to pull up PG to VCC
J6 EN_SRC Shunt short pin3 and pin4 to EN from PVIN
J16 ININ Option Shunt short to connect I_IN_P/I_IN_M to PVIN
All others Jumper No shunt short

Table 3-3 lists the EVM connector functions.

Table 2-3 Connector Functions
Connector Name Description
J1 PVIN VIN screw terminal to connect input voltage
J2 IIN Screw terminal to connect to input connector J1 for the input current measurement
J3 VOUT VOUT screw terminal to connect load to output
J4 EXTBIAS Override internal LDO with external 5V bias for improving efficiency
J5 PG PULLUP PGOOD pullup. 2-pin header to pull up PGOOD to VCC
J6 EN_SRC 2-pin header for enable. Add shunt to connect EN to PVIN and enable device. Remove shunt to disable device.
J7 Mini-Slammer Connector block to interface with Mini Slammer
J8 ADDR Pin header block to select default PMBus address
J9 SV_CLK 2-pin header for SVID CLK line
J10 PGND Power ground test point.
J11 Mini-Slammer Connector block to interface with Mini Slammer
J12 USB2GPIO PMBus interface connector to connect the USB to GPIO interface adapter to the EVM
J13 SV_ALERT 2-pin header for SVID ALERT line
J14 VORST PULLUP VORST pullup. 2-pin header to pull up VORST to VCC
J15 SV_DIO 2-pin header for SVID bi-directional data line
J16 IIN Option 2-pin header for input current measurement option