• TPS22918EVM: Vout have some drop voltage

  

  Fandy

  TI Thinks Resolved

  Part Number: TPS22918EVM Other Parts Discussed in Thread: TPS22918 Hello, My customer use TPS22918EVM, main power supply is VCC is from mainboard, it will generate to 1.2V then generate normal VCC , VCC power to NT 51625, NT51625 power part include…

  • over 5 years ago
  • Power management
  • Power management forum

• TPS22918EVM: big drop voltage between IN and OUT even it doesn't have current flow when power start-up

  

  Fandy

  TI Thinks Resolved

  Part Number: TPS22918EVM Other Parts Discussed in Thread: TPS22918 , Hello My customer use TPS22918EVM , main power supply is VCC is from mainboard, it will generate to 1.2V firstly, then generate normal 3.3V VCC , VCC power to another IC NT 51625,…

  • over 5 years ago
  • Power management
  • Power management forum

• TPS22918 Load switch reboot with delta changes PCb

  

  Dinesh Kumar

  TI Thinks Resolved

  Other Parts Discussed in Thread: TPS22918EVM , TPS22918 TPS22918TDBVRQ1 , we are using this part in our design, In revision 5 we were using 100pf @ CT pin board was working normally. Later in the updated revision with delta changes and PCB material changed…

  • over 3 years ago
  • Power management
  • Power management forum
Answered

• RE: TPS22918: TPS22918 VIN and VON power on sequence

  

  Timothy Logan

  Resolved

  Tamazaki-san, The sequence you mentioned about having ON asserted high and then applying voltage will absolutely work, however the soft start will not take effect in this scenario. Essentially whatever signal is in the input of the IN pin will be routed…

  • over 5 years ago
  • Power management
  • Power management forum

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