• TPS66121: Asking for the TPS66121 design questions

  

  SHH

  TI Thinks Resolved

  Part Number: TPS66121 Hi Team, Would you please help me for the following questions? 1. In dead battery mode S1 is alway keep open, right? 2. Need you explain more in this power up sequence. Vin is power up but from the schematic, Vin is connected…

  • over 5 years ago
  • Interface
  • Interface forum

• TPS66121: Where should I connect Vin and from what does PPHV GETS power from vbus or from vin

  

  VISHAL KALWANI

  TI Thinks Resolved

  Part Number: TPS66121 Hi, Can we apply same external power to vin and vbus. From where does PPHV gets the power from vbus or vin? Can I used used to supply vbus pin of controller using VLDO pin if in case I have grounded the vin pin.

  • over 5 years ago
  • Interface
  • Interface forum
Answered

• TPS66120: IEC62368-1

  

  Fabio Gou

  Resolved

  Part Number: TPS66120 Other Parts Discussed in Thread: TPS66121 Whether TPS66120 and TPS66121 have passed IEC62368-1?

  • Resolved

  • over 2 years ago
  • Power management
  • Power management forum

• RE: TPS66120: TPS66120

  

  Jose Arteaga4

  Hello Subhashree, The logic levels required for the Enable pin (EN ) depends on the Part number you selected. TPS66120 is 3.3V logic and TPS66121 is 5V logic. Since thee PD controller you are using have logic level of 1.8V, then you will need a level…

  • over 5 years ago
  • Interface
  • Interface forum

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