Answered

• TPS23757: is there any alarm mechanism that told us if PSE power is less than PD

  

  Cindy Chang

  Resolved

  Part Number: TPS23757 Other Parts Discussed in Thread: TPS23756 Hi team, As title, is there any alarm mechanism in TPS23757 that told us if PSE power is less than PD? We are using TPS23756 and TPS23757 as PD and hope to have a sign if PSE power is less…

  • Resolved

  • over 3 years ago
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Answered

• TPS23757EVM: Could you please tell me how to change TPS23757 EVM output voltage to 6V?

  

  Kazuya Nakai59

  Resolved

  Part Number: TPS23757EVM Other Parts Discussed in Thread: TPS23757 Hello guys, One of my customers is going to use TPS23757 for their new POE products. Also they will refer to the schematic in SLVU318B. But they want to change the output voltage from…

  • Resolved

  • over 4 years ago
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• TPS23757: Gate drive MOSFET

  

  Pjs

  TI Thinks Resolved

  Part Number: TPS23757 Hi, Are there any guidelines on how to pick the synchronous gate drive MOSFET required for secondary side of the TPS23757. I noticed on the TPS23757EVM that a Pulse PA0184 is used which is sadly too tall for my application and so…

  • over 5 years ago
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• TPS23757: starting issue

  

  Michael Gilge

  TI Thinks Resolved

  Part Number: TPS23757 Hi Darwin, how would I measure Vds on the input and output FET using a standard scope given the different ground? I am still working on the TPS23757EVM. BR Michael

  • over 5 years ago
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• TPS23757: θJC and θJB thermal information

  

  Eric Ho14

  TI Thinks Resolved

  Part Number: TPS23757 Other Parts Discussed in Thread: TPS23755 , TPS23758 θJC and θJB thermal information need

  • over 5 years ago
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• TPS23757EVM: Regarding TPS23757 EVM schematis question

  

  shermen fang

  TI Thinks Resolved

  Part Number: TPS23757EVM Other Parts Discussed in Thread: TPS23757 , Hi Sir, In TPS23757 EVM schematic and datasheet, it shows there has gate1 for main NMOS switch and gate2 for senconary NMOS switch topology. From datahseet, it shows gate1 and gate2 operation…

  • over 5 years ago
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Answered

• TPS23757: Bring-up and troubleshooting guide

  

  Michael Gilge

  Resolved

  Part Number: TPS23757 Hello, I have duplicated the design of the TPS23757EVM but it is not working. For space reasons I used a different gate drive transformer TDK/EPCOS B82804A0354A110 and the Wurth Elektronik 749 119 350 transformer. My board is making…

  • Resolved

  • over 5 years ago
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Answered

• TPS23757: Pull-up nad Pull-down resistor for CS pin

  

  Takahiro Saito

  Resolved

  Part Number: TPS23757 Other Parts Discussed in Thread: , TPS23751 Hi Team, In the TPS23757 datasheet, CS pin is used without pull-up to VB. Looking at TPS23757EVM user's guide, the CS pin is pulled up to VB. I could not find why pull-up is needed and…

  • Resolved

  • over 5 years ago
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Answered

• TPS23757: DT resistor

  

  tateo yamashiro

  Resolved

  Part Number: TPS23757 Hi, We got a question from the customer about TPS23757. Could you help us? [Question] - How much is the maximum and minimum recommended value of DT resistor? Best Regards, tateo

  • Resolved

  • over 6 years ago
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Answered

• TPS23754: TPS23757 vs TPS23754

  

  na na78

  Resolved

  Part Number: TPS23754 Other Parts Discussed in Thread: TPS23757 Hi I can see the difference of PoE Standard support between TPS23757 and TPS23754. Is there any other remarkable difference between them? BestRegards

  • Resolved

  • over 6 years ago
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