• TPS40400: Operating current question

  

  K.Shidara

  TI Thinks Resolved

  Part Number: TPS40400 Hi Team, Would you advise what condition does Ivdd become max of 15mA specified in datasheet below? I'd like to suggest lower power consumption usage to the customer. So please help to advise it. Thanks Best regards, Shidar…

  • 4 months ago
  • Power management
  • Power management forum
Answered

• TPS40400: Fusion Digital Power Designer I2C Issue

  

  Daniel Carlson

  Resolved

  Part Number: TPS40400 Hello, I have a customer who has designed the TPS40400 onto their board, and they are having an issue connecting to Fusion Power Designer. They are using the TI USB Interface Adapter (connecting only SDA and SCL, not the Alert line…

  • Resolved

  • 5 months ago
  • Power management
  • Power management forum

• TPS40400: Dutymax question

  

  K.Shidara

  TI Thinks Resolved

  Part Number: TPS40400 Other Parts Discussed in Thread: LMG1210 Hi Team Would you advise my customer's question? Duty max is defined for ex) as 85%(min) at Fsw=1.2MHz in datasheet. Is this value change to higher value when Cload is less than 2.2nF…

  • 6 months ago
  • Power management
  • Power management forum

• TPS40400: Power saving method

  

  K.Shidara

  TI Thinks Resolved

  Part Number: TPS40400 Other Parts Discussed in Thread: TPS549B22 , TPS549D22 , PMP21440 , LMG1210 , TPS40101 , TPS40322 Hi Team, Would you advise does TPS40400 have power saving internal register setting or external part which can save power? My customer want…

  • 6 months ago
  • Power management
  • Power management forum

• RE: TPS40400: TPS40400 program burning issue

  

  Peter James Miller

  Lenna Yan I am trying to make sure I understand the issue, is VIN_OFF the only command that is not being imported correctly, or is it stopping when the VIN_OFF command NACKs? A couple of possibilities: 1) The connected device is not located on Address…

  • 10 months ago
  • Power management
  • Power management forum

• TPS40400: Implement DVFS on TPS40400

  

  Chiajung Hsu

  TI Thinks Resolved

  Part Number: TPS40400 Other Parts Discussed in Thread: TPS650861 , TPS549B22 , TPS549D22 , TPS546C20A , TPS546A24A , TPS546B24A , TPS546D24A We are now estimating to implement DVFS on TPS40400. There are some questions we would like to have clarification f…

  • 11 months ago
  • Power management
  • Power management forum

• WEBENCH® Tools/TPS40400: NA

  

  user6371410

  Part Number: TPS40400 Tool/software: WEBENCH® Design Tools TPS40400 around 1% damaged failure rate was found at manufacturing process (function test station). a test fixture with TI USB i2c tools, CLK and DATA singnal pin connect to TPS40400 via test probe…

  • 10 months ago
  • Power management
  • Power management forum

• WEBENCH® Tools/TPS40400: Iout Calibration Issue

  

  liwei qi

  TI Thinks Resolved

  Part Number: TPS40400 Tool/software: WEBENCH® Design Tools I use the formula that IOUT_CAL_GAIN(trimmed) = IOUT_CAL_GAIN(untrimed) x [ (Iout2 - Iout1) / (Read_Iout2 - Read_Iout1) and IOUT_CAL_OFFSET = Iout3 - Read_Iout3. After calibra, our modules will…

  • 10 months ago
  • Power management
  • Power management forum

• RE: WEBENCH® Tools/TPS40400: Vout Calibration Function

  

  Peter James Miller

  liwei qi Have you had a chance to test this?

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

• WEBENCH® Tools/TPS40400: Vout and Vin Calibration Gain

  

  liwei qi

  Resolved

  Part Number: TPS40400 Tool/software: WEBENCH® Design Tools In datasheet, the vout and vin calibration have two parameter : GAIN and OFFSET. The gain unit is %. I don't know what's meaning. Is the calibration mode single-point? Do you have any…

  • Resolved

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

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