• UCC28730-Q1: Query

  

  PRAHLAD Supeda

  TI Thinks Resolved

  Part Number: UCC28730-Q1 Other Parts Discussed in Thread: UCC28730 , PMP22557 We are evaluating UCC28730QDRQ1 power converter as a non Isolated buck converter as per TI design note(Design note link provided as below). So considering this application we need…

  • 5 months ago
  • Power management
  • Power management forum

• UCC28730-Q1: Can I use this IC for a DC-DC flyback design?

  

  sai pavan vardhinedi

  Part Number: UCC28730-Q1 Other Parts Discussed in Thread: UCC28730 With an input voltage range of 9-16V and serving a load of 32W by multiple secondary windings, if yes is there a reference design available?

  • 7 months ago
  • Power management
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• UCC28730-Q1: TINA model

  

  Osman Yücel

  TI Thinks Resolved

  Part Number: UCC28730-Q1 Other Parts Discussed in Thread: UCC28730 Hi, Is there any model of the UCC28730-Q1 for TINA TI?

  • 11 months ago
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• UCC28730-Q1: [ELENTEC] Request for review on whether or not circuit configuration is possible

  

  MJ Jeon

  TI Thinks Resolved

  Part Number: UCC28730-Q1 Other Parts Discussed in Thread: UCC28730 , PMP Hi, TI support team The UCC28730-Q1 product is referring to the circuit configured as below. TIDM694.PDF Please advise which part needs to be changed or modified to configure the…

  • 10 months ago
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• UCC28730-Q1: Query regarding output current tuning of PMP22557

  

  Jagadeesh reddy

  TI Thinks Resolved

  Part Number: UCC28730-Q1 Other Parts Discussed in Thread: UCC28730 , PMP22557 , , TPS40210 , TPS40210-Q1 Dear TI e2e Team, We got the reference design from evaluation board (PMP22557) with part number of UCC28730. In that design given input voltage range is…

  • over 1 year ago
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Answered

• UCC28730-Q1: Problem with importing UCC28730 MACRO in to TINA

  

  Daniel Waleniak

  Resolved

  Part Number: UCC28730-Q1 Other Parts Discussed in Thread: UCC28730 , UCC24650 Hi there, I downloaded UCC28730 spice macro from this link . But when I try to import to TINA, an error message pops out: Same for UCC24650 from the same zip file. The only transformer…

  • Resolved

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

• UCC28730-Q1: UCC28730-Q1

  

  rick Yu

  TI Thinks Resolved

  Part Number: UCC28730-Q1 Other Parts Discussed in Thread: UCC28730 Hi From the simulation result, controller will stop working(no DRV) when VOUT rise to the design value 12V, it looks like the VS level is above 4.6V and trigger the OVP, I want to consult…

  • over 2 years ago
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  • Power management forum
Answered

• UCC28730-Q1: UCC28730-Q1

  

  rick Yu

  Resolved

  Part Number: UCC28730-Q1 Other Parts Discussed in Thread: UCC28730 Q1: Why Rs2 is not present in below formula? I think Ivsl(run) go both RS1 and Rs2, isn't it ? Q2, I am doing the design from DC input and the VIN(min) is as low as to 50V,output is…

  • Resolved

  • over 2 years ago
  • Power management
  • Power management forum
Answered

• UCC28730-Q1: UCC28730-Q1

  

  rick Yu

  Resolved

  Part Number: UCC28730-Q1 Hi, Attached file slum527 is simulation file from TI website, it is a 5V/2A output with a minium Vin around 86V Attached file Vin_50V_Vout_12v is a new design simulation file based on slum527, I modify the Rcs,Rs1,Rs2 for a new…

  • Resolved

  • over 2 years ago
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Answered

• UCC28730-Q1: UCC28730-Q1

  

  rick Yu

  Resolved

  Part Number: UCC28730-Q1 Hi, Q1: I don't understand why Dmax is derived at fmax? From below formula, the duty cycle is minimum when switch frequency is maximum, isn't it? : Q2: I don't understand the principle why Dmagcc is fixed internally…

  • Resolved

  • over 2 years ago
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  • Power management forum

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