• UCC25640EVM-020: Gerber File

  

  Cedrick

  TI Thinks Resolved

  Part Number: UCC25640EVM-020 Hi, Good day. Our customer is looking for the gerber file for the UCC25640EVM-020. Can you please help us provide this? Thank you. Regards, Cedrick

  • 1 month ago
  • Power management
  • Power management forum

• UCC25640EVM-020: Condition about AC input voltage with no PFC

  

  Satoshi

  Part Number: UCC25640EVM-020 Other Parts Discussed in Thread: UCC256402 , UCC256404 I considering UCC256402 and UCC256404, unused PFC condition. (Low output power) Can UCC25640x use AC 85V~265V input without PFC? I think that LLC condition is narrow Vin…

  • 3 months ago
  • Power management
  • Power management forum

• UCC25640EVM-020: Over load protection

  

  Ala Alhajeh

  Part Number: UCC25640EVM-020 Other Parts Discussed in Thread: UCC25600EVM , UCC25600 , UCC256402 Dear Sir, I am working on UCC25640EVM-020 and UCC25600EVM evaluation boards, to design wide input range dc to dc convertor using LLC topology. Input v oltage …

  • 7 months ago
  • Power management
  • Power management forum
Answered

• UCC25640EVM-020: Functionality Questions

  

  Darren (FAE)

  Resolved

  Part Number: UCC25640EVM-020 Other Parts Discussed in Thread: UCC256404 , UCC256402 , UCC256403 , TL431 On the EVM, when HV pin is tied to PGND and VCC supplied by an external source, the EVM doesn't function at VCC = 24V; but it does when VCC is 26V.…

  • Resolved

  • 10 months ago
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Answered

• RE: UCC256402: UCC256402

  

  Hong Huang

  Resolved

  The board part number is UCC25640EVM-020

  • over 1 year ago
  • Power management
  • Power management forum

• RE: TIDA-010038 Any evaluation board to loan?

  

  Desheng, Guo

  Hi, Poh Thanks for interesting in this reference design from SEM team, but this board TIDA-010038 is out of stock now. But, the two TI EVM boards (PFC and LLC) could be applied, you can combine these two together instead. https://www.ti.com/tool/UCC25640EVM…

  • over 1 year ago
  • Simulation, hardware & system design tools
  • Simulation, hardware & system design tools forum

• UCC256402: Loop gain equations for the UCC256402

  

  Kim nordtorp Madsen

  TI Thinks Resolved

  Part Number: UCC256402 Other Parts Discussed in Thread: TL431 , UCC25640EVM-020 I am missing the loop gain equations for the UCC256402, like whats the formula for Ires/Vfb? - there is a detailed design procedure in the datasheet, but it doesnt mention…

  • over 1 year ago
  • Power management
  • Power management forum
Answered

• RE: UCC256302: Incorrect duty cycle in gate signal

  

  Eric Faraci

  Resolved

  Ehsan I'm not sure which "feedback resistor" you are referring to. Is it the same as R19, R23 in UCC25640EVM-020? If this resistor divider network is different than what you expect, the LLC converter can be operating at a point that is different…

  • over 1 year ago
  • Power management
  • Power management forum
Answered

• RE: UCC256404: UCC256404 Won't start up

  

  Mike O'

  Resolved

  Hello, I reviewed the excel tool and the calculated Np/Ns was 8.125 and your design had chosen 9. To get the proper output voltage you would generally round down to the lowest whole turn. I would consider making this 8. I reviewed your schematic and…

  • over 1 year ago
  • Power management
  • Power management forum
Answered

• UCC25600: UCC256404 Resonant Capacitor Cr - Capacitive Divider?

  

  Peter Baxter

  Resolved

  Part Number: UCC25600 Other Parts Discussed in Thread: UCC256404 , UCC25640EVM-020 Some of the UCC256404 literature shows the resonant network's Cr as a capacitive divider with the upper capacitor from +400V to the junction and a lower capacitor from the…

  • Resolved

  • over 1 year ago
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