SLVUBX9 October   2020 TPS2640

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 EVM Features
    2. 1.2 EVM Applications
  3. 2Description
  4. 3Schematics
  5. 4General Configurations
    1. 4.1 Physical Access
    2. 4.2 Test Equipment
      1. 4.2.1 Power Supplies
      2. 4.2.2 Meters
      3. 4.2.3 Oscilloscope
      4. 4.2.4 Loads
    3. 4.3 Test Setup
    4. 4.4 Test Procedure
      1. 4.4.1 Preliminary Tests
      2. 4.4.2 Output Voltage Start-Up Time Test
      3. 4.4.3 Current Limit and Fault Responses Test
      4. 4.4.4 Output Short-Circuit Protection Test
      5. 4.4.5 Reverse Polarity Test
        1. 4.4.5.1 Overvoltage Clamp Response
  6. 5EVM Board Assembly Drawings and Layout Guidelines
    1. 5.1 PCB Drawings
  7. 6Bill Of Materials (BOM)

1.1 EVM Features

The TPS2640EVM features include:

  • 4.2-V to 42-V input operating voltage range
  • 0.2-A to 2.23-A jumper-programmable current limit
  • Reverse polarity protection up to –42 V
  • Programmable input UVLO
  • Selectable overload fault response (auto-retry, latch and circuit breaker)
  • Programmable input overvoltage protection (OVP) cut off
  • Programmable VOUT slew rate control
  • Load current monitor output with 1.5 V / A
  • Optional onboard transient protection devices like input TVS and output Schottky diodes
  • Onboard reset switch and fault indicators