• UCC2893: LIght load efficiency issue with UCC2893

  

  Vinod Sugave

  Part Number: UCC2893 Hi TI team, I am working on Active clamp High side Synchronous Forward Convertor, Vin = 50V to 120V, Iout=25A, Power=360W, We have developed the board by using UCC2893, We got 92.5% effieciency at 25A load at 5A load I am getting…

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

• UCC2893: What is difference point between UCC2893 and UCC2894?

  

  Kazuya Nakai59

  Resolved

  Part Number: UCC2893 Other Parts Discussed in Thread: UCC2894 , , UCC2897A , UCC2891 , UCC24612 Hello guys, One of my customers is considering using UCC2893 or UCC2894 for their next products. At this moment, they have the following questions. Could…

  • Resolved

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

• UCC2893: Soft start-up

  

  Petar Stoimenov

  Resolved

  Part Number: UCC2893 Tool/software: Would the UCC2893 ever start if the chip is repowered before the voltage on the SS/SD pin drops below 0.5V typ? Thank you very much, Regards, Petar

  • Resolved

  • 11 months ago
  • Site support
  • Site support forum

• UCC2893: suggest similar with UCC2893 solution

  

  Kevin Huang8

  TI Thinks Resolved

  Part Number: UCC2893 Hi Team, Please help suggest similar with UCC2893 solution, thanks!

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

• UCC2893: UCC2893, mixing replacement MOSFETs

  

  Joshua Schroeder

  Resolved

  Part Number: UCC2893 I have a UCC2893 based ZVS active Clamp supply that uses the same part number MOSFET in both the Main and AUX positions. Part shortages have driven us to verify similar MOSFETs that may be used as drop in replacements. The assumption…

  • Resolved

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

• UCC2893: UCC2893

  

  Vito Cheng

  TI Thinks Resolved

  Part Number: UCC2893 Other Parts Discussed in Thread: UCC2891 , UCC2892 , UCC2894 , UCC2897A , LM5025C , LM5025B , LM5025A , LM5026 Hi, Any alternative suggestion to UCC2893 controller? Thanks Vito

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

• UCC2893: Transfer function of flyback topology

  

  Tack

  TI Thinks Resolved

  Part Number: UCC2893 Other Parts Discussed in Thread: LM5025A , UCC28780 Hi there, I would like to research the active clamp flyback converter using UCC2893. As I found the "Switch-mode power converter compensation made easy" SLUP341 PPT of TI seminar…

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

• UCC2893: RSLOPE pin configuration

  

  Satoshi

  Resolved

  Part Number: UCC2893 Other Parts Discussed in Thread: LM2904 , Please let me know about below RSLOPE pin configuration problem or not. ①Open ②RSLOPE pin connect OPAMP (high impedance) Best regards, Satoshi

  • Resolved

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

• UCC2893: is there any alternative part for it?

  

  Aki Li

  TI Thinks Resolved

  Part Number: UCC2893 Other Parts Discussed in Thread: LM5025A Customer was looking for the direct replacement part for UCC2893DR. Could you please help suggest any part for them? Thank you.

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

• UCC2893: Capacitance selection

  

  Daviel Almonte

  TI Thinks Resolved

  Part Number: UCC2893 Hi, what is the maximum capacitance, connected between pin 7 (CS) and GND, that can safely be discharged at 100kHz, without damaging the internal MOSFET at pin 7 and the IC in general? also is there a way to calculate this?

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

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