Answered

• TPS54561: PWM switched feedback resistors

  

  Andres Curiel

  Resolved

  Part Number: TPS54561 Hi, I am wondering whether this arrangement to switch the lower side feedback resistor value using a PWM signal and a FET might work OK as a way to dynamically adjust the output voltage on the TPS54561? Thanks.

  • Resolved

  • over 4 years ago
  • Power management
  • Power management forum

• TPS54561-Q1: outgassing data

  

  Adam Daluga

  TI Thinks Resolved

  Part Number: TPS54561-Q1 Hello, I was hoping you could advise me or point me in the right direction on outgassing data on some TI components. Specifically the outgassing data of TPS54561QDPRRQ1, TPS40210MDRCTEP, TPS76850MPWPREP, and TPS7A3001DRBT these…

  • over 3 years ago
  • Power management
  • Power management forum
Answered

• TPS54561: internal VCC and min Toff time spec

  

  Feng Wu

  Resolved

  Part Number: TPS54561 Hi Team, Customer wants to check our internal LDO VCC voltage and min Toff time, which is not mentioned in Datasheet, could you help to provide these data? Thanks!

  • Resolved

  • over 3 years ago
  • Power management
  • Power management forum

• TPS54561: TPS54561 Minimum drop out voltage

  

  dinesh a95

  TI Thinks Resolved

  Part Number: TPS54561 Hi, I using TPS54561 for converting +28V/12V to 10V. The converter have to support for both 28V and 12V for providing the output of 10V. Before Buck Converter input i'm having a mosfet for reverse polarity protection and discrete…

  • over 6 years ago
  • Power management
  • Power management forum

• TPS54561: TPS54561 datasheet equation (5) fault

  

  Wenhao Wu

  TI Thinks Resolved

  Part Number: TPS54561 Hi Team, I mentioned equation (5), in calculation of Css has repeatedly used Vref, thus causing confusion when using it. Could you please confirm if it is 0.8V or just Vref? Thanks! -Wenhao

  • over 6 years ago
  • Power management
  • Power management forum
Answered

• TPS54561: TPS54561 OCP behavior

  

  Mark Chen52

  Resolved

  Part Number: TPS54561 Hi Expect, when i was tested OCP with TPS54561, observed that Vout drop to zero, but output current keep 7A. IC is still working. is it normally or not? what's the correct behavior when trigger OCP? Ch1:Vout, Ch2:Iout, Ch3…

  • Resolved

  • over 6 years ago
  • Power management
  • Power management forum
Answered

• TPS54561: negative voltage on SW

  

  Given Ding

  Resolved

  Part Number: TPS54561 Hi Team, Just want to check with you on if it's OK for TPS54561. Due to diode forward voltage, SW has -0.8V voltage which is beyond, please kindly check on this. BRs Given

  • Resolved

  • over 4 years ago
  • Power management
  • Power management forum
Answered

• TPS54561: Internal FET of the body-diode forward voltage

  

  GaryC

  Resolved

  Part Number: TPS54561 May I know what is the Internal FET of the body-diode forward voltage? We don't see it in the datasheet. BR, Gary

  • Resolved

  • over 4 years ago
  • Power management
  • Power management forum

• TPS54561: TPS5461 inverting configuration - Pspice simulation

  

  Samuele Di Fabio

  TI Thinks Resolved

  Part Number: TPS54561 Hi everyone, I'm trying to configure the step down TPS54561 in its inverting output voltage mode( Create an Inverting Power Supply from a Step-Down Regulator (Rev. B) ) and i'm simulating it in OrCad Capture trough the model available…

  • over 4 years ago
  • Power management
  • Power management forum
Answered

• TPS54561: Multiple flyback configuration/Pspice simulation

  

  Samuele Di Fabio

  Resolved

  Part Number: TPS54561 Hi everyone, I want to set up this type of confuguration with a Vin of +24 V and a Vout = +- 16V. I already drawn the schematic and trying out some simulation, but they didn't start. So i was wondering if the model support…

  • Resolved

  • over 4 years ago
  • Power management
  • Power management forum

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