SLVUCF4 August   2022

PRODUCTION DATA  

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
    1. 1.1 Default Board Configuration
    2. 1.2 Alternate Board Configurations
  4. 2EVM Connectors and Test Points
  5. 3Test Results
    1. 3.1 Parallel Configuration Results
  6. 4Load Transient Circuitry
  7. 5Board Layout
  8. 6Schematic
    1. 6.1 Parallel Configuration Schematic
    2. 6.2 Single Configuration Schematic
  9. 7Bill of Materials (BOM)
    1. 7.1 Parallel Configuration BOM
    2. 7.2 Single Configuration BOM
  10. 8Revision History
  11. 9Related Documentation

1.1 Default Board Configuration

The EVM is designed to be used across the entire input voltage and output current range of the TPS7H2221-SEP while providing flexibility to configure the device to operate under different conditions. By default, the EVM is configured for parallel-device operation, as summarized in Table 1-1, but the board also allows the parallel circuit to be seperated into 2 independent single-device circuits and provides footprints that can be populated with additional passive components to allow for testing of customized designs.

More detailed information about the default EVM configuration can be found in the Parallel Configuration Schematic and the Parallel Configuration Bill of Materials.

Figure 1-1 Parallel-device Configuration Simplfied Schematic
Table 1-1 TPS7H2221EVM Parallel-device Configuration
SpecificationValueDescription
Input Voltage (VIN)

3.3 V

Falls within the recommended device input voltage range of 1.6 V to 5.5 V.
Output Current (IOUT)0 to 2.5 ADoes not exceed maximum device continuous switch current of 1.25 A per device.

ON pin Input High (VIH,ON)

1 to 5.5 V

High and Low inputs to the ON pin.

ON1 and ON2 tied together by R17.

ON pin Input Low (VIH,ON)

0 to 0.35 V
Output Discharge Time (tFALL)~0.22 ms

Typical output discharge time.

Set by:

  • R4 and R16 (RQOD) = 1 kΩ

  • JP5 and JP10 shunted