• TPS25221: Regarding the inrush current limiting

  

  Kyohei

  TI Thinks Resolved

  Part Number: TPS25221 Tool/software: Hi team, Is it possible to limit the inrush current to below 500mA with this device? The USB Power-Distribution Requirements in section 10.2.3.1.1 state "Limit inrush current (<44 Ω and 10 µF)." Does this mean that…

  • 3 days ago
  • Power management
  • Power management forum
Answered

• TPS25221: CE certification and related reports of TPS25221

  

  Vicky Lee

  Resolved

  Part Number: TPS25221 Tool/software: Could you kindly provide TPS25221 CE certification and related reports for us? tks!

  • Resolved

  • 3 months ago
  • Power management
  • Power management forum

• TPS25221: questions about how to use the device

  

  Noriyuki Takahashi

  TI Thinks Resolved

  Part Number: TPS25221 Tool/software: Hi team There are several questions. Could you help these? 1. Based on the datasheet, it seems TPS25221 has the inrush current protection. However I can't see any ways to adjust the amount. Could you tell the calculation…

  • 2 months ago
  • Power management
  • Power management forum
Answered

• TPS25221:Bypass Capacitor Placement

  

  Masamitsu Hayashi

  Resolved

  Part Number: TPS25221 Tool/software: Hi Team, I have two questions about the placement of the TPS25221 bypass capacitor: Cout (>120uΩ). 　1. I am thinking of wiring the OUT pin of the TPS25221 through an LC filter, then connecting Cout to the…

  • Resolved

  • 3 months ago
  • Power management
  • Power management forum

• TPS25221: back to back FET for reverse current protection

  

  O'Mellin

  Part Number: TPS25221 Tool/software: Team, I actually found a post clarifying that the TPS25221 has in fact a back to back fets struture inside : is there any device that dont have back to back FET in the USB current limiter / negotiation part in our…

  • 2 months ago
  • Power management
  • Power management forum
Answered

• TPS25221: working of IC understanding

  

  Sathya Priya

  Resolved

  Part Number: TPS25221 Tool/software: Hi Team, We have TPS25221DRV Used this IC in our design. We have given 5V input generated from separate regulator (TPS82130SIL) and given to this IC TPS25221DRV When connecting to load, Voltage is going zero from…

  • Resolved

  • 3 months ago
  • Power management
  • Power management forum

• TPS25221: Enable Logic Query

  

  Manikandan Ramasamy

  TI Thinks Resolved

  Part Number: TPS25221 Tool/software: Hi Team, I'm using the part TPS25221DRV in my design. While checking the datasheet pin description, it is mentioned "Enable input, logic high/low turns on power switch" Query is whether Enable should…

  • 3 months ago
  • Power management
  • Power management forum
Answered

• TPS25221: Thermal shutdown

  

  Shumpei Miyano

  Resolved

  Part Number: TPS25221 Other Parts Discussed in Thread: TPS2553 , Tool/software: Dear Teams, About TPS2553 and TPS25221. In order to confirm that the OCP and OTP functions of the device work properly, if the overload is intentionally applied, the recommended…

  • Resolved

  • 6 months ago
  • Power management
  • Power management forum

• TPS25221: EMI - EMC and Safety Test Certification

  

  Kavita Joshi

  TI Thinks Resolved

  Part Number: TPS25221 Tool/software: We are proceeding with the certification for the product containing the IC TPS25221DBV. If EMI/EMC and Safety tests have been conducted on the unit or any other tests have been conducted, please send the corresponding…

  • 6 months ago
  • Power management
  • Power management forum

• TPS25221: TPS25221DRV, Output decap value

  

  Sathya Priya

  TI Thinks Resolved

  Part Number: TPS25221 Tool/software: Hi team, We are using the TPS25221DRV, in our design. We have doubt in adding the output decap, as in datasheet it is mentioned as 120uF. Whether we need to have 120UF for each HUB? Attached the reference image We…

  • 8 months ago
  • Power management
  • Power management forum

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