• RE: TPS7H5001-SP: Commercial Grade Available

  

  Daniel Hartung

  Hey M. The UCC28251 was used as the commercial basis for the part. How much the TPS7H5001-SP is different than the UCC28251 shows how much was engineered from the grounds up. There are lower space grade versions of the part in the TPS7H5005-SEP through…

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

• RE: LM25037: Full Bridge Design Advice and Ideas

  

  Hong Huang

  Resolved

  Hi, LM25037 is for push-pull with on chip driver which would not be used since you use full bridge. If you use full bridge with external drivers then UCC28251 is better since it requires the external driver. LM5045 is for full bridge controller. So compared…

  • 4 months ago
  • Power management
  • Power management forum

• UCC28251: Availability of un-encrypted transient model for the UCC28251 controller

  

  Thomas Cook77

  TI Thinks Resolved

  Part Number: UCC28251 Other Parts Discussed in Thread: LM25037 , Hello Ti, Is there an un-encrypted transient model available for the UCC28251 controller? Or is there a controller with similar features and characteristics available with a transient SPICE…

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

• UCC28251: UCC28251 THARMAL PAD CONNECTION

  

  Shlomi Yehezkia

  TI Thinks Resolved

  Part Number: UCC28251 Hi Team, I can't found recommendation for UCC28251 to connection of thermal pad, can I connect it to the GND? Thanks, Shlomi

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

• UCC28251: Request the technical document of symmetrical half bridge

  

  David Kim2

  TI Thinks Resolved

  Part Number: UCC28251 Other Parts Discussed in Thread: UCC28250 Hi I try to make a symmetrical half bridge converter using UCC28251. If there's anything that can help you with this, please. Thanks

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

• UCC28251: Power management forum

  

  古不菓莱

  Resolved

  Part Number: UCC28251 How to use secondary side control with UCC28251? what is it meaning? Is it controlling the secondary PWM duty cycle and make primary following the secondary ?

  • Resolved

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

• UCC28251: RT function discussion

  

  Lin_Charles

  TI Thinks Resolved

  Part Number: UCC28251 Other Parts Discussed in Thread: UCC28951 Hi team, It is nice to know you here. My customer has two questions about the UCC28251 RT function. 1. Is RT pin internal circuit a current source or voltage source? What is the voltage/current…

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

• UCC28251: Secondary side control - Rcs calculation

  

  Suj B

  Resolved

  Part Number: UCC28251 For a half bridge controller with the UC28251 in secondary side control and I am not clear as to the calculation for Rcs for the CS pin for secondary side control. Could you please guide me to the correct formula or document? Also…

  • Resolved

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

• UCC28251： Application circuit for external synchronization

  

  user4657807

  TI Thinks Resolved

  Part Number: UCC28251 Other Parts Discussed in Thread: UCC28070 , , UCC29002 Good morning! I use 2 UCC28251 to design two DC/DC converters. The outputs of the two converters are connected in parallel. Use an MCU to provide external synchronization to UCC28251…

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

• RE: UCC28251: tolerances of internal Ramp offset

  

  Martin Haberzettl1

  Hello Sonal, have you been able to catch the team yet or are they running away too fast? - just joking : ) If it is not possible to give an exact Answer, i would also be satisfied with some rough information about how the 420 mV offset is created. I…

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

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