• TPS543B20: LC double pole in Current mode control IC TPS543B20

  

  Harey Ram Pandey

  Part Number: TPS543B20 Tool/software: As we understand, this is a current mode control IC. But, the Frequency response of the buck converter we built shows a double pole at 17KHz, which coincides with the LC used. Even the excel design tool dowloaded…

  • 2 months ago
  • Power management
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• TPS543B20: regarding alternate part

  

  Maharajan P

  TI Thinks Resolved

  Part Number: TPS543B20 Tool/software: Dear Team Is there any Alternate Available for the above mentioned part in -55 to 125 temp range. If yes, Please respond ASAP Thanks and Regards, Maharajan P

  • 3 months ago
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Answered

• TPS543B20: Schematic verification.

  

  Gayathri Palla

  Resolved

  Part Number: TPS543B20 Tool/software: Hi Team, Please verify the attached schematics and provide feedback VOUT=0V85 IOUT=15A Thanks, Gayathri.

  • Resolved

  • 8 months ago
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• TPS543B20: Design question of TPS543B20 and TPS543C20

  

  Oliver Lin

  TI Thinks Resolved

  Part Number: TPS543B20 Hi expert, My customer has some questions on 5V input application. If the Vin is 5V, what is the output of BP pin? Following from question 1, is there any limitation to use 5V for input? Thanks, Oliver

  • over 1 year ago
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• TPS543B20: regarding heat sink and thermal resistance

  

  prema R

  TI Thinks Resolved

  Part Number: TPS543B20 Tool/software: Hi We are using TPS543B20RVFR in our design to power zynq ultrascale+ XQZU19EG-2FFQB1517I vccint rail(0.85V). We did the test bench simulation at 25A and found the junction temperature to be 85 deg. But when we…

  • 8 months ago
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• TPS543B20: TPS543B20: ENABLE

  

  SATHYA SHREE S

  TI Thinks Resolved

  Part Number: TPS543B20 Hi, We are using TPS543B20 sense regulator for voltage conversion from 12V to 1.1V in non-stackable mode. We would like to know whether ENABLE pin is open drain or push-pull, in datasheet it is mentioned as ENABLE Pin has an internal…

  • over 2 years ago
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• TPS543B20: High Side short circuit protection fault threshold

  

  Toshiro Imi

  TI Thinks Resolved

  Part Number: TPS543B20 Tool/software: Hello, Our customer is trying to use TPS543B20 up to 45A output current while he looks at IHSOC of high side short circuit protection fault threshold. Then he has some questions 1) Does TPS543B20 limits in 45A…

  • 9 months ago
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• TPS543B20: Schematics Review-TPS543B20

  

  Shifali N

  TI Thinks Resolved

  Part Number: TPS543B20 Other Parts Discussed in Thread: TPS543C20A , TPS543C20 Hi Team, I am using TPS543B20RVFT in my design. I have attached my circuit design and design calculator sheet for review. Please provide your feedbacks on the same. Vin…

  • over 2 years ago
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• TPS543B20: VOLTAGE MARGINING FOR TPS543B20

  

  SATHYA SHREE S

  TI Thinks Resolved

  Part Number: TPS543B20 Other Parts Discussed in Thread: DAC53204 We are using DAC53204RTER in our design for voltage margining of +/- 10% for all rails, we are planning to use TPS543B20RVFT regulator for voltage rail 1.1V, as we need to sense the output…

  • over 2 years ago
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• TPS543B20: TPS543B20 Design details

  

  SATHYA SHREE S

  TI Thinks Resolved

  Part Number: TPS543B20 Hi, We are using TPS543B20RVFT regulator for our design as it is used for sensing the output voltage through load. We need a output voltage of 1.1V in non-stackable mode, we want to know how to calculate the resistor for ILIM…

  • over 2 years ago
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