• TPS2557: Backfeed Protection

  

  Benjamin Haag

  TI Thinks Resolved

  Part Number: TPS2557 Tool/software: We have a TPS2557 down in a design now for a USB host port. Our concern is if a user connects the USB host port to the host port of another device while our device is powered down, thus backfeeding our VBUS line. The…

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

• TPS2557: SOA test

  

  Naizeng Wang

  TI Thinks Resolved

  Part Number: TPS2557 Hi team, Customer is using TPS2557 but they are not sure if they should make sure the voltage and current in SOA region with good margin during start up or short conditions. I think we can only take care of the current and make…

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

• TPS2557: FAULT Signal

  

  Patrick Wallner

  Resolved

  Part Number: TPS2557 Hi, we want to use the TPS2557 for our application because this parts fits perfectly. My question is, is it a must to use the FAULT signal? We don't really need it, So can we simply ignore the pin and keep it disconnected? In the…

  • Resolved

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

• TPS2557: Behavior of fault pin when current under minimum current-limit threshold

  

  louis.chang

  TI Thinks Resolved

  Part Number: TPS2557 Hi Sirs I have a current limitation question about TPS2557 I know once choosing a fixed resistor for ILIM pin, the maximum current-limit threshold and minimum current-limit threshold are fixed. So once current over maximum current…

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

• TPS2557: Are TPS2557 and TPS2557-Q1 pin compatible

  

  Buddika Sumanasena

  Resolved

  Part Number: TPS2557 Hello, I used TPS2557 for an application and the chip is very hard to find now. Can I use TPS2557-Q1 as a drop in replacement? What are the differences between the two chips. Best regards Buddika

  • Resolved

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

• TPS2557: UL report

  

  Mark Chen52

  Resolved

  Part Number: TPS2557 Other Parts Discussed in Thread: TPS2060C , TPS2060 , HI Expert, Customer is looking for UL report for TPS2557DRBR, TPS2060CDGNR and TPS2060DGNR, could you help to share it with me? I can download CB report only from TI.com, but…

  • Resolved

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

• TPS2557: IEC/UL 62368-1 with Clause G.9 test

  

  Patty Chuang

  TI Thinks Resolved

  Part Number: TPS2557 Hi Team, Does our TPS2557 pass Clause G.9 test? Thanks. Patty Chuang

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

• TPS2557: help review the schematic of TPS2557DRBR and PCB layout

  

  Lillian Liu(SH)

  TI Thinks Resolved

  Part Number: TPS2557 Hi team, Can you help review the schematic of TPS2557DRBR and PCB layout in the attachment ? TPS2557DRBR.xlsx 8463.Gourami_MB_PCB_V1_20221125_1411.brd 3632.Gourami_MB_PCB_V1_20221125_1534(2).pdf Thanks Best regards…

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

• TPS2557: IEC60950-1 CB report

  

  Maurice

  Resolved

  Part Number: TPS2557 Is it possible to obtain and share with me a copy of the TPS2557 certification body report for IEC60950-1? Thank you. Best Regards,

  • Resolved

  • over 4 years ago
  • Power management
  • Power management forum
Answered

• TPS2557: IEC62368-1 CB report

  

  Maurice

  Resolved

  Part Number: TPS2557 Other Parts Discussed in Thread: TPS2595 , Is it possible to obtain and share with the customer a copy of the TPS2595 certification body report for IEC62368-1? Thank you. Best Regards,

  • Resolved

  • over 4 years ago
  • Power management
  • Power management forum

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