• TPS55330: Vin > Vout

  

  Hirokazu Takahashi

  TI Thinks Resolved

  Part Number: TPS55330 Dear Team If Vin > Vout, how will TPS55330 work? Best Regards, Hirokazu Takahashi

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

• 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
  • Power management
  • Power management forum
Answered

• RE: TPS55330: TPS55330 Fails to 54 Volts Boost from 12V input

  

  Garrett B B

  Resolved

  Thanks for the information! It was a good failure case to know.

  • over 8 years ago
  • Power management
  • Power management forum
Answered

• TPS55330: about Soft-Start

  

  T Kishi

  Resolved

  Part Number: TPS55330 Hi My Customer has question. In the explanation of Soft Start, it is stated that clamping the output of the error amplifier till the SS terminal becomes 1.8 V. Which period is this referring to? ① Period during which the output…

  • Resolved

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

• 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 6 years ago
  • Power management
  • Power management forum

• TPS55330: TPS5530

  

  Stephen Vick

  TI Thinks Resolved

  Part Number: TPS55330 I am using the TPS5530 device to create a 22V power rail to supply 1A and drive a resistive load. Can I drive the EN input with a PWM signal at 100 Hz and 50% duty cycle to drop the effective output power to half? Will the part handle…

  • over 7 years ago
  • Power management
  • Power management forum
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…

  • Resolved

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

• TPS55330: the graph which shows the relationship between soldering coverage on thermal pad and thermal resistance

  

  Masaharu Takahashi

  TI Thinks Resolved

  Part Number: TPS55330 Hi, Team. This is MASA. i've been asked by customer as below. customer has concerned how much thermal resistance would be in case of there is not enough soldering area on thermal pad flip side. 1.please provide t he graph…

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

• RE: TPS55330: Vin regulation with the internal loop

  

  Helen chen

  Hi Corentin, For the TPS55330 boost converter, Vo=Vin/(1-D) , so when Vin drops, its duty D will automatically get bigger.

  • over 7 years ago
  • Power management
  • Power management forum

• TPS55330: Step increase in output voltage and large inrush current

  

  Roy Hsu

  TI Thinks Resolved

  Part Number: TPS55330 Hi Team, My customer uses TPS55330 in a 3.3 V to 12 V/0.5A application and observed a step increase in output voltage and large inrush current. Here's the schematic: What might be the cause of this and how can we solve…

  • over 7 years ago
  • Power management
  • Power management forum

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