• TPS53319: OVP ration and FB ratio

  

  Naizeng Wang

  TI Thinks Resolved

  Part Number: TPS53319 Tool/software: Hi team, BU suggests to set the ratio of OVP to be same as FB ratio. If they are not equal, the circuit may not start up. Could you please explain the reason? I cannot really understand the internal circuit. What…

  • 6 days ago
  • Power management
  • Power management forum
Answered

• TPS53319: VIN current at no load

  

  Kazuhiko Hirano

  Resolved

  Part Number: TPS53319 Tool/software: Hello, My customer measured VIN current on their board at the following condition, and it was ~66mA. They would like to know if this 66mA is a reasonable value or not. Could TI show the typical VIN current at their…

  • Resolved

  • 1 month ago
  • Power management
  • Power management forum
Answered

• TPS53319: Question about VDD supply current spec

  

  Kazuhiko Hirano

  Resolved

  Part Number: TPS53319 Tool/software: Hello, The following IVDD value specified in the datasheet is at FCCM mode or at AutoSkip mode? How much differences between at FCCM mode and at AutoSkip mode? Best regards, K.Hirano

  • Resolved

  • 1 month ago
  • Power management
  • Power management forum
Answered

• TPS53319: TPS53319 module shut down when the environment temp rise up to 43~50 degree C

  

  Andrew Su

  Resolved

  Part Number: TPS53319 Tool/software: dears, my key customer made their own power module based on TPS53319 and used it in their server main board. There are 6 pcs TPS53319 module are employed in the main board. The customer tested 4 PCBAs and find…

  • Resolved

  • 10 months ago
  • Power management
  • Power management forum

• TPS53319: Schematic design review

  

  Hasham Nisar

  Part Number: TPS53319 Tool/software: Hello, This is Hasham. I am working on a power solution using the TPS53319DQPR to generate a 5V, 14A output. I used TI’s Power Bench to design the circuit. However, after assembling and testing the board, I am only…

  • 6 months ago
  • Power management
  • Power management forum
Answered

• TPS53319: Bootstrap resistor value range

  

  Kazuhiko Hirano

  Resolved

  Part Number: TPS53319 Hello, My customer would like to adjust the R9 (bootstrap resistor) in Figure 9-12 of the datasheet. Generally speaking, within how much ohms range should the R9 value be? Best regards, K.Hirano

  • Resolved

  • over 1 year ago
  • Power management
  • Power management forum
Answered

• TPS53319: High side VDS absolute maximum rating

  

  Roy Hsu

  Resolved

  Part Number: TPS53319 Hi Team, May I know what's TPS53319 high side VDS absolute maximum voltage rating? In datasheet only have SW-GND rating. I need both DC and Pulse, thank you. Best Regards, Roy

  • Resolved

  • over 1 year ago
  • Power management
  • Power management forum

• TPS53319: Eliminate Radiated Emission

  

  Thariq CP

  TI Thinks Resolved

  Part Number: TPS53319 Hi, TPS53319 is being used to generate 3V3 from 18V on our custom board (the schematics screenshot is attached). The product is failing in CISPR32 Class B radiated emission test (at 3m distance) in 35MHz to 46MHz range. On probing…

  • over 1 year ago
  • Power management
  • Power management forum

• TPS53319: ripple injection circuit location

  

  Fred Cheng

  TI Thinks Resolved

  Part Number: TPS53319 Hi team, can they use this connection to connect the C1 and R7 close to inductor? is this better or recommendation?

  • over 1 year ago
  • Power management
  • Power management forum

• TPS53319: Inquiries about the TPS53319DQPR

  

  JH Shin

  TI Thinks Resolved

  Part Number: TPS53319 Hello, My customer is using the TPS53319DQPR with VIN=12V and VOUT=0.882V or 1.177V. They have some questions about the device. Q1) Is there a shutdown function according to input voltage changes? If so, what V is the input…

  • over 1 year ago
  • Power management
  • Power management forum

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