Answered

• LM5157-Q1: General

  

  RAYEES K E

  Resolved

  Part Number: LM5157-Q1 Other Parts Discussed in Thread: LM5157 Tool/software: Hi, I am doing simulation in TI PSpice tool, created a SEPIC converter simulation using LM5157 model, i have used the Diode from TI modeling application, Simulation was working…

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  • over 1 year ago
  • Simulation, hardware & system design tools
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• LM5157-Q1: The sepic design tool of LM5157 of Cout

  

  Lin Vast

  TI Thinks Resolved

  Part Number: LM5157-Q1 Here is the design value. My design of the outout current is only 0.42A. The output ripple of Vout is ±7.5%. But the value of Cout is 32.25uF. Cout = I * dt / dv = 0.42 * 0.385 / 440k / 0.15 = 2.45uF. I think there…

  • over 2 years ago
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• LM5157-Q1: Request for unencrypted Spice model

  

  Huu-Nhan Nguyen

  TI Thinks Resolved

  Part Number: LM5157-Q1 Dear TI, Could you please provide me the unencrypred Spice model of LM5157-Q1? Thank you and have a nice day! Best regards, Huu-Nhan Nguyen

  • over 1 year ago
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Answered

• LM5157-Q1: Impedance Curve simulation for Coupled inductor

  

  RAYEES K E

  Resolved

  Part Number: LM5157-Q1 Tool/software: Hi, Can anybody provide me the details, how to simulate the Impedance curve for coupled inductor in TI P Spice, I Have modeled a new coupled inductor and i want to verify the Impedance curve of this inductor to…

  • Resolved

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

• LM5157-Q1: The worst case analysis of pspice simulation model

  

  Josh Wei

  Resolved

  Part Number: LM5157-Q1 I want to know which simulation model of LM5157-Q1 support worst case analysis. If the flyback works at the worst condition, will the model reflect the real accuracy of voltage, especially the output? Thanks!

  • Resolved

  • over 1 year ago
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Answered

• LM5157-Q1: Design review support

  

  Tuong PV

  Resolved

  Part Number: LM5157-Q1 Other Parts Discussed in Thread: LM5157 Hi TI experts, Please support to review the design in attachment file with following specs: Input: 6-20V Output: 23V- 0.2A max => supply for gate driver , that why i chosen not boost…

  • Resolved

  • over 2 years ago
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• LM5157-Q1: Sepic converter design

  

  Lin Vast

  TI Thinks Resolved

  Part Number: LM5157-Q1 Other Parts Discussed in Thread: LM5157 , , LM5156 Did TI have any document design for sepic converter with LM5157 ?

  • over 2 years ago
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• LM5157-Q1: SW1,SW2 pin function

  

  wenjun yang

  TI Thinks Resolved

  Part Number: LM5157-Q1 Other Parts Discussed in Thread: LM5157 , LM5175-Q1 , LM61495 , LM5175 Hi,TI experts I see to LM5157 datasheet,SW1 SW2 have internal connection,I don't understand theirs function,as below image. As I know ,Generally, Swithch…

  • over 2 years ago
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  • Power management forum
Answered

• LM5157-Q1: Maximum output current in SEPIC mode with 14V output and 6 to 18V input

  

  Rachid Elghouchma

  Resolved

  Part Number: LM5157-Q1 Hello TI team, What is the maximum output current in SEPIC mode with 14V output and 6 to 18V input I didn't perform any calculations, but I found in WEBENCH that it is limited to 2A? thanks Best Regards Rachid

  • Resolved

  • over 2 years ago
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• LM5157-Q1: LM5157QRTERQ1 schematic review

  

  Corey Axelowitz

  TI Thinks Resolved

  Part Number: LM5157-Q1 Other Parts Discussed in Thread: LM5157 Please help review this schematic and provide feedback for LM5157QRTERQ1 SMPS - set up as a boost controller. Input voltage (PBUS) is provided by a 3S battery = 8.1V to 12.6V Output voltage…

  • over 2 years ago
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