Answered

• TPS62933F: Negative current limit

  

  Michal Pietrzak

  Resolved

  Part Number: TPS62933F Tool/software: Chapter 9.3.12 mentions ILS_NEG as negative current limit for LS switch, but its value is not specified in the table. I guess the corresponding value is "Reverse current limit" but it's called ILS_NOC.…

  • Resolved

  • 4 months ago
  • Power management
  • Power management forum

• TPS62933F: TPS62933F

  

  Hussam Sabbouh

  TI Thinks Resolved

  Part Number: TPS62933F is there a difference between FCCM and FPWM? aren't they operate in the same way? is there also a difference between PFM and PSM? Is there a big difference in efficiency between FCCM and PFM at light loads? can I achieve 20mV ripple…

  • 8 months ago
  • Power management
  • Power management forum
Answered

• TPS62933F: EN and VIN pin shorted

  

  Dice-K

  Resolved

  Part Number: TPS62933F Other Parts Discussed in Thread: LMR33620 , LMR43620 , Hi support team, This is a question about TPS62933FDRLR. If 2pin (EN) and 3pin (VIN) are short-circuited, it is assumed that a voltage exceeding the maximum rated voltage of 2pin…

  • Resolved

  • 5 months ago
  • Power management
  • Power management forum

• TPS62933F: schematic review

  

  Chi Zhang2

  Part Number: TPS62933F Other Parts Discussed in Thread: TPS62933P Dear expert, my customer is using TPS62933F, but we find the input power supply will be short when power up. could you help to check the schematic. thanks. BR Chi

  • 8 months ago
  • Power management
  • Power management forum
Answered

• TPS62933F: Webench only allows only 1 external component to be edited, why not more

  

  Frank Rothoff

  Resolved

  Part Number: TPS62933F Other Parts Discussed in Thread: TPS62933 Hi team, My customer noticed that he can't make a customized simulation with more than one change. If he does more the prior change is reversed again. He also claimed that a few days…

  • Resolved

  • 6 months ago
  • Power management
  • Power management forum

• TPS62933F: FCCM description in Datasheet

  

  Go

  TI Thinks Resolved

  Part Number: TPS62933F Hi, The description about FCCM on p1 of D/S, it says "FCCM" means forced continuous current modulation. but on p26, FCCM represents "forced continuous conduction mode". Which one is correct? I think "forced continuous…

  • 9 months ago
  • Power management
  • Power management forum

• TPS62933F: The meaning of parameters Ip and Ih

  

  GJ H

  TI Thinks Resolved

  Part Number: TPS62933F Dear TI experts. I have read the datasheet of TPS62933F, but I do not understand the meaning of the parameters Ip and Ih, especially the term 'hysteresis voltage'. Could you explain it in detail? Additionally, in the recommended…

  • 11 months ago
  • Power management
  • Power management forum
Answered

• RE: TPS62932: Large, lower frequency ripple on VOUT

  

  Gui He

  Resolved

  Hi Nicholas The ripple should be caused by the spread spectrum, the modulation frequency is fsw/128, TPS62933F has no spread spectrum, should be able to solve your problem. Thanks and best regards.

  • 1 month ago
  • Power management
  • Power management forum

• TPS62932: How to avoid DCM mode

  

  Taku Murayama

  TI Thinks Resolved

  Part Number: TPS62932 Other Parts Discussed in Thread: TPS62933F Tool/software: My customer is currently evaluating and would like to use TI's TPS62932 not to enter DCM mode. It was confirmed that DCM mode was entered at 500mA at 600kHz and 200mA at…

  • 2 months ago
  • Power management
  • Power management forum

• RE: TPS62933P: Recommended operating conditions for switching voltage and abnormal ripple found at 9kHz

  

  Colin Chen

  Hello Sir, To solve this issue, we can choose TPS62933F which don't have spread-spectrum feature, so it won't have modulation ripple. Thanks Colin

  • 7 months ago
  • Power management
  • Power management forum

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