• TPSM86638: Webench TPSM86638 RMode Resistor is Incorrect

  

  David McCoy

  TI Thinks Resolved

  Part Number: TPSM86638 Tool/software: Hi, I generated a design using the TPSM86638 and when I was verifying it WRT to the datasheet it looks like the RMode resistor is not correctly configuring 800kHz, WebBench specifies 169Kohms while the datasheet…

  • 7 months ago
  • Simulation, hardware & system design tools
  • Simulation, hardware & system design tools forum

• TPSM86638: TPSM86638 - Large Cap Bank Audible Noise

  

  Julien Lambert

  TI Thinks Resolved

  Part Number: TPSM86638 Tool/software: Hello TI Team, We are using the TPSM86368 module in a buck configuration (12 V → 3.7 V). At the output we currently have: 6 × Panasonic EEF-CX0J101R (100 µF polymer, ESR ≈12 mΩ each) 5 × 22 µF MLCC (Murata GRM…

  • 7 months ago
  • Power management
  • Power management forum

• TPSM86638: TPSM86638 Required PSPICE transient model for the respected part number

  

  Prasanna N

  TI Thinks Resolved

  Part Number: TPSM86638 Tool/software: Hi team I cant find any PSPICE TRANS model belonging to this respected IC. It would be appreciated If i get the model for simulation.

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

• TPSM86638: Thermal model

  

  Hirotsugu Kobayashi

  Resolved

  Part Number: TPSM86638 Hi team, Is there a thermal model available for this part?

  • Resolved

  • 1 month ago
  • Power management
  • Power management forum

• TPSM86638: Dimension for pad

  

  McKenna Strambi

  TI Thinks Resolved

  Part Number: TPSM86638 Tool/software: Hi expert, We’re using and building symbols with TPSM86638RCGR for our latest design, and we noticed this pad dimension is missing. Could you please let us know what the correct dimension is? Thank you! M…

  • 6 months ago
  • Power management
  • Power management forum

• TPSM86638: Output voltage margining

  

  Scott Dahl

  TI Thinks Resolved

  Part Number: TPSM86638 Tool/software: Hello, I would like to provide an output voltage margining function using the method of adding a resistor to the FB pin. For example, for the 1.8V output design shown in the data sheet, I would like to margin the…

  • 7 months ago
  • Power management
  • Power management forum

• TPSM86638: Not getting any output.

  

  Robert Karpinski

  TI Thinks Resolved

  Part Number: TPSM86638 Tool/software: Hi, I only get an output of ~0.7V from my TPSM86638RCGR SMPS despite designing it for 5.20V. Looking at WebBench for a 11.5-12.5V to 5.20V @ 4A output, 10ms soft start: I've checked that I'm definitely…

  • 8 months ago
  • Power management
  • Power management forum

• TPSM86638: TPSM86638 How to connect AGND to PGND plane at a single point

  

  Kazuki Ito

  TI Thinks Resolved

  Part Number: TPSM86638 Tool/software: I would like to wire the TPSM86638RCGR to ground AGND and PGND at a single point as per the datasheet. I can't figure out how to ground them by looking at the layout examples in the datasheet, so I would like to see…

  • over 1 year ago
  • Other wireless
  • Other wireless technologies forum
Answered

• TPSM86638: Resistors for switching frequency selection

  

  Ryu Yamashita

  Resolved

  Part Number: TPSM86638 Tool/software: Hi team, I believe the switching frequency selection on the MODE pin can only be selected between 800 kHz and 1200 kHz, but the data sheet lists 102 kΩ/249 kΩ as the resistor value for selection, but WEBENCH selects…

  • Resolved

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

• TPSM86638: About the terminal dimension

  

  Kazufumi Igarashi

  TI Thinks Resolved

  Part Number: TPSM86638 Tool/software: Team, I want to know the terminal length described below. Would you tell me the dimension? Thanks, Kazufumi

  • over 1 year ago
  • Amplifiers
  • Amplifiers forum

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