• TPS55330: TPS55330 work abnormal, does not match the formula

  

  Lee Jeff

  TI Thinks Resolved

  Part Number: TPS55330 Hi I got a problem Calculate according to the formula Input 12V, require output 16V, circuit as picture But the output is 19V, no matter if R175 is 120K or 100K Where is the problem? Thank you 1.229V x (R175/R177 +1)

  • over 4 years ago
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Answered

• TPS55330: Schematic review support

  

  Kevin Lai

  Resolved

  Part Number: TPS55330 Hi team, please help to 1. review the following schematic 2. confirm that the inductor is ok. 3. please let me know if their inductor is overkill for their design. VIN= 12V VOUT= 20.7V IOUT= 2A INDUCTOR = SDR1806-5R6ML Thanks…

  • Resolved

  • over 4 years ago
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Answered

• TPS55330: TPS55330 maximum current output calculation

  

  Bruno Henriques

  Resolved

  Part Number: TPS55330 Other Parts Discussed in Thread: TPS55340 , TPS61178 Hi gents, I'm using the TPS55330 on my design to generate 15V from a 3 to 4.2V input. Is there a way to calculate the maximum output current that my design can provide? on the…

  • Resolved

  • over 5 years ago
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Answered

• TPS55330: question for TPS55330

  

  Masaharu Takahashi

  Resolved

  Part Number: TPS55330 Hi, Team this is MASA. could you answer for me ? 1.can customer let IC's thermal pad opened ? ->will IC be able to work properly if there is no soldering at thermal pad flip side of IC? 2.can customer let IC's QFN soldering…

  • Resolved

  • over 5 years ago
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• WEBENCH® Tools/TPS55330: boost a negative rail?

  

  Jim Smith1

  TI Thinks Resolved

  Part Number: TPS55330 Other Parts Discussed in Thread: LMR33630 , TPS54335A Tool/software: WEBENCH® Design Tools I need to boost a -12V rail to a -15V rail, at 1A. I've already got a positive 12V to 15V boost designed with the TPS55330 via the WEBENCH…

  • over 4 years ago
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Answered

• TPS55330: SAMPLE

  

  byung dong OH

  Resolved

  Part Number: TPS55330 HI! I want to oder tps55330 parts by sample proecess. but, can't access website. there is comment "sample problems" how do I solve that problems.? thanks.

  • Resolved

  • over 5 years ago
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• TPS55330: Vout at DCM

  

  Hirokazu Takahashi

  TI Thinks Resolved

  Part Number: TPS55330 Hi support team, Will the output voltage change when switching from normal PWM to DCM at the light load? Thanking you in advance, Takahashi Hirokazu

  • over 5 years ago
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• TPS55330: Can duty cycle of the chip be zero?

  

  Xiaoming Wang

  TI Thinks Resolved

  Part Number: TPS55330 Hello, I am going to use this chip to boost voltage from 12V. I like the output to be in the range from 12V to 15V by using a potentiometer to adjust Feedback voltage. Is it possible? Thanks, Xiaoming

  • over 5 years ago
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Answered

• TPS55330: What do the Voltage ratings for SS and COMP components need to be?

  

  Mark Pearson

  Resolved

  Part Number: TPS55330 In the TPS55330 EVM BOM - the capacitors on the SS and COMP pins are all rated for 50V, but the ABS-MAX table in the TPS55330 datasheet has the max rating on these pins as 5V and 3V respectively (SS / COMP). Please advise. Mark P…

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  • over 5 years ago
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• TPS55330: Efficiency at DCM Vin=7.4V, Vout=12.5V

  

  Hirokazu Takahashi

  TI Thinks Resolved

  Part Number: TPS55330 Dear support team I measured the efficiency with TPS55330EM at different inductance. Please see the attached file. As my measurement result, the efficiency with smaller inductance is better at DCM. Could you let me know the reason…

  • over 5 years ago
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