SLVAFT6 September   2024 TPS23521 , TPS23523 , TPS23525

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Existing Design and Challenges
  6. 3Negative Hot-Swap Controller – TPS2352x
  7. 4Output Voltage Clamping with TPS2352x
  8. 5Design Procedure and Implementation
    1. 5.1 Configuring the Current Limit Switch-Over Threshold for TPS2352x
    2. 5.2 Feedback and Control Loop Response
    3. 5.3 Powering the Feedback Amplifier
    4. 5.4 Noise Immunity
  9. 6Test Results
    1. 6.1 Startup
    2. 6.2 NEBS Transient Response
  10. 7Summary
  11. 8References

5 Design Procedure and Implementation

The proposed output voltage clamping technique uses negative hot-swap controller TPS2352x and op-amp for output voltage feedback control. Proper selection of TPS2352x configuration and associated components is critical to achieve desired results.