Answered

• TPS51120: TPS51120 - No correct output regulation

  

  Nicolas Armogathe

  Resolved

  Part Number: TPS51120 Hello, We are encountering a regulation issue with the TPS51120 converter used in our system and we can't find why. Context: Component: TPS51120 Schematic: almost identical to the reference schematic in the datasheet (same…

  • Resolved

  • 2 months ago
  • Power management
  • Power management forum
Answered

• TPS51120: Can a 1uF external capacitor be added to the EN1 and EN2 pins of the TPS51120?

  

  Vayne Li

  Resolved

  Part Number: TPS51120 Hi Teams, Can a 1uF external capacitor be added to the EN1 and EN2 pins of the TPS51120?

  • Resolved

  • 2 months ago
  • Power management
  • Power management forum

• TPS51120: The output voltage issue for TPS51120

  

  Zhang Liang

  Part Number: TPS51120 Tool/software: Hi, We use the TPS51120RHB for the Vcore power supplier, and now we have below issue: 1. EN1 and EN2 are connected together, and set the EN1 and EN2 voltage is about 2.5V, the Vout1=3.3V and Vout2=5V, the PG1 voltage…

  • over 1 year 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…

  • over 1 year ago
  • Sensors
  • Sensors 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 4 years 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 3 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 3 years ago
  • Power management
  • Power management 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…

  • over 2 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 6 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…

  • Resolved

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

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