SLUUBZ4A February   2019  – July 2021 TPS562231

 

  1.   Trademarks
  2. 1Introduction
  3. 2Performance Characteristics Summary
  4. 3Modifications
    1. 3.1 Output Voltage Setpoint
  5. 4Test Setup and Results
    1. 4.1 Input/Output Connections
    2. 4.2 Start-Up Procedure
    3. 4.3 Efficiency
    4. 4.4 Load Transient Response
    5. 4.5 Output Voltage Ripple
  6. 5Board Layout
    1. 5.1 Layout
  7. 6Schematic, Bill of Materials, and Reference
    1. 6.1 Schematic
    2. 6.2 List of Materials
    3. 6.3 Reference
  8. 7Revision History

4.1 Input/Output Connections

The TPS562231EVM is provided with input/output connectors and test points as shown in Table 4-1. A power supply capable of supplying 2 A must be connected to J1 through a pair of 20-AWG wires. The load must be connected to J2 through a pair of 20-AWG wires. The maximum load current capability is 2 A. Wire lengths must be minimized to reduce losses in the wires. Test point TP3 provides a place to monitor the VIN input voltages with TP4 providing a convenient ground reference. TP9 is used to monitor the output voltage with TP5 as the ground reference.

Table 4-1 Connection and Test Points
REFERENCE DESIGNATORFUNCTION
J1VIN (see Table 1-1 for VIN range)
J2VOUT, 3.3 V at 2-A maximum
JP1EN control. Shunt EN to GND to disable
TP1VIN positive power point
TP2,TP11GND power point
TP3VIN positive monitor point
TP4,TP5,TP12,TP13GND monitor test point
TP6EN test point
TP7Switch node test point
TP8Test point for loop response measurements
TP9VOUT positive monitor point
TP10VOUT positive power point