SLUUCF9A March   2021  – April 2021 TPS566231 , TPS566238

 

  1.   Trademarks
  2. 1Introduction
  3. 2Performance Specification Summary
  4. 3Output Voltage Setpoint
  5. 4Test Setup and Results
    1. 4.1 Input/Output Connections
    2. 4.2 Start-Up Procedure
    3. 4.3 Start-Up
    4. 4.4 Shut-Down
    5. 4.5 Output Voltage Ripple
  6. 5Board Layout
    1. 5.1 Layout
  7. 6Board Profile, Schematic, List of Materials, and Reference
    1. 6.1 Board Profile
    2. 6.2 Schematic
    3. 6.3 List of Materials
    4. 6.4 Reference
  8. 7Revision History

4.1 Input/Output Connections

The TPS566231PEVM is provided with input/output connectors and test points as shown in Table 4-1. A power supply capable of supplying 6 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 6 A. Wire lengths must be minimized to reduce losses in the wires. Test point TP2 provides a place to monitor the VIN input voltages with TP7 providing a convenient ground reference. TP5 is used to monitor the output voltage with TP13 as the ground reference.

Table 4-1 Connection and Test Points
Reference
Designator		Function
J1VIN (see Table 1-1 for VIN range)
J2VOUT, 1V with DC 6-A maximum current
JP1Two resistor dividers connected to VIN to enable EN.
JP2En Control, short pin1 and pin2 to make EN on, short pin2 and pin3 to make EN off.
TP1VIN positive monitor point
TP2VIN positive monitor point
TP3Switch node test point
TP4VOUT positive monitor point
TP5VOUT positive monitor point
TP6GND monitor test point
TP7GND monitor test point
TP8VCC monitor test point
TP9EN Test point
TP10PGOOD monitor test point
TP11GND monitor test point
TP12Loop test point
TP13 GND monitor test point
TP14 GND monitor test point
TP15GND monitor test point