• RE: TPS51120: The output voltage issue for TPS51120

  

  Peter James Miller

  Zhang Liang said: 4. Please kindly confirm if this is effected by the "End voltage"? The Enable pin has a dual function. If the EN voltage rises quickly from 0.9V to 2.75V, the TPS51120 uses the internal 3ms soft-start time. If the EN voltage…

  • 4 months ago
  • Power management
  • Power management forum

• TPS51120: The output wavefrom normal

  

  Zhang Liang

  TI Thinks Resolved

  Part Number: TPS51120 Tool/software: Hi, We use the TPS51120 for the 5V/3.3V buck design, and now, we find the 5V output i nductive howling when we set the light-load( the switching frequency is only less then 5KHz), and we add the load that the Inductive…

  • 10 months ago
  • Sensors
  • Sensors forum

• TPS51120: is not working only LDO part is only working, PWM is not being generated

  

  sai prakash

  TI Thinks Resolved

  Part Number: TPS51120 TPS51120.pdf Hi, I am using TPS51120 for 3.3V and 5V generation, I tried both D-cap and current sense mode but, In my whole circuitry Just the VREG3,VREG5 and VREF2 is working none of the other part is working .the DRV pins are not…

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

• TPS51120: Schematic review

  

  Rain Wang

  TI Thinks Resolved

  Part Number: TPS51120 Hi TI The customer has a TPS51120 schematic review request. How can I send the schematic to you? Thank you

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

• TPS51120: Soft-start time calculation

  

  Sam Ting

  Resolved

  Part Number: TPS51120 Hi team, Could you provide the SS time equation including the external capacitance (Css) and share design considerations for the adjustable soft-start setting? Thanks! Thanks for your support! Best regards, Sam Ting

  • Resolved

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

• TPS51120: TPS51120 NOT WORKING

  

  MK Cho

  Resolved

  Part Number: TPS51120 When I add a 10UF/50V MLCC to the MOSFET 24V voltage input Line Controller Is not working Please Check Something wrong in my Schematic

  • Resolved

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

• TPS51120: TPS51120 PWM Double pluse issue

  

  Hugo Liu

  Resolved

  Part Number: TPS51120 Hi Sir, Our customer response the TPS51120 have PWM Double pluse issue as below, We have cut-output not loading affect, we have try to short COMP2 to VFB2 not improve. How can we improve this problem?

  • Resolved

  • over 5 years ago
  • Power management
  • Power management forum

• RE: TPS51120: Adding USB-C power delivery to existing PMIC circuit design

  

  Chuck Branch

  Gui configuration of GPIO events is targeted for the next release that is currently targeted for end of January release.

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

• TPS51120: 5V converter not starting when configured for current mode operation.

  

  Larry Kiser

  Resolved

  Part Number: TPS51120 I have the TPS51120RHBR configured for current mode operation with VFB for output1 and 2 tied to V5FILT and the output rails tied back to their respective VO pins. Have tried EN5 and EN1 at 3.3V on inputs driven by NOR gate, and…

  • Resolved

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

• TPS51120: Limiting the delay of MOSFETs used in the TPS51120.

  

  user5335645

  Resolved

  Part Number: TPS51120 Maybe I made the wrong choice of development tools / software, change it and ask again. (I have the same question here. -> e2e.ti.com/.../835739) =================== I am considering a MOSFET controlled by TPS51120. Are there any…

  • Resolved

  • over 5 years ago
  • Power management
  • Power management forum

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