• TPS23756: PMP40514 - T2 details or Mfg. P/N

  

  Danny Nissim

  Part Number: TPS23756 Other Parts Discussed in Thread: PMP40514 Hello, PMP40514 - T2 details or Mfg. P/N will be appreciated. Thanks and regards, Danny Nissim

  • 4 months ago
  • Power management
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Answered

• TPS23756: Audible Noise issue PMP40514 Based PCB

  

  eljeffo

  Resolved

  Part Number: TPS23756 Other Parts Discussed in Thread: PMP40514 Hi TI Folks! So I made a PCB modeled after the PMP40514 schematic and it functionally works. However I have a high pitched audible whine noise emitting from L3. Output voltage and current…

  • Resolved

  • over 4 years ago
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• TPS23754: spec check

  

  GARETH OU

  TI Thinks Resolved

  Part Number: TPS23754 Other Parts Discussed in Thread: TPS23753A , TPS23756 , PMP40514 , PMP8803 , TIDA-00091 , PMP9175 , TPS23755 , TPS23758 Hi Is there any peripheral reference design for 802.3af 13W with TPS23754? Due to board space issues, if there are…

  • 4 months ago
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• TPS23756: Audible clicking noise, no output and IC overheating issue

  

  Jure Stojs1

  Part Number: TPS23756 Other Parts Discussed in Thread: PMP40514 , Hi, We have made a design using TPS23756. The design was made with the help of the following documents: SLVU329A, SLVA305C, PMP40514, PMP6659, SLVA306A. So the final design is a bit of a…

  • 5 months ago
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• RE: TPS23756: Need clarification for APD & PPD

  

  Diang Xing

  Hi Mitesh, Thanks for reaching out. Normally APD is used to set PoE priority. Please see the TPS23756 related reference designs: PMP40514 TIDA-00091 TPS23756EVM Best regards, Diang

  • 9 months ago
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Answered

• TPS23756: Forward Flyback Monster

  

  eljeffo

  Resolved

  Part Number: TPS23756 Other Parts Discussed in Thread: TPS23758 , PMP40514 , , TPS23730EVM-093 Today I learned that there is a difference between forward and flyback transformer and inductor requirements. Would would have anticipated such a thing?! I have…

  • Resolved

  • over 4 years ago
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Answered

• TPS23756: Power Sag when Loaded

  

  eljeffo

  Resolved

  Part Number: TPS23756 Other Parts Discussed in Thread: PMP40514 , , , LMV431 , TPS23758EVM-080 Hi, I wanted to leave a post in case this situation looked familar. I have 3 prototype (custom pcb) boards modeled after PMP40514. I changed the voltage divider…

  • Resolved

  • over 4 years ago
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• TPS23756: Reduce Output Ripple / Bode Question

  

  eljeffo

  TI Thinks Resolved

  Part Number: TPS23756 Other Parts Discussed in Thread: PMP40514 , TLV431 , , TPS23758 Thanks to all your advice, my POE adapter is starting to work nicely. My biggest issue is a 900mv peak-to-peak ripple on the output. I was wondering if anyone could offer…

  • over 4 years ago
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• TPS23756: PCB review

  

  Shuang Feng76

  TI Thinks Resolved

  Part Number: TPS23756 Other Parts Discussed in Thread: TLV431A , , PMP40514 Could you please help customer to check the POE circuit. Currently the output is zero to GND. Hope for your PCB review and solution. have a nice day.

  • over 4 years ago
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• TPS23756: Vds voltage spike goes to 150V

  

  chentsu chung

  TI Thinks Resolved

  Part Number: TPS23756 Other Parts Discussed in Thread: PMP40514 Hi Team, After our customer combine the cap C14/C16/C17 to one 100uF, than they found device damaged. And they found voltage different at: Point A: voltage spike goes to 152V Point B: Voltage…

  • over 4 years ago
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