• TPS40303: TPS40303 SS and OPC issue

  

  Darren Yang

  TI Thinks Resolved

  Part Number: TPS40303 Hi, could you help check above questions, tks! Test question: At a low temperature of -40 °C, IC's soft-start SS and over-current (short-circuit) protection OCP, what are the internal connections and connections? ?--- pls…

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

• TPS40303: TPS40303+UCC27200, How to achieve OCP and SCP function?

  

  WU YISYUAN

  TI Thinks Resolved

  Part Number: TPS40303 Other Parts Discussed in Thread: UCC27200 Hi, I used TPS40303+ UCC27200, now I have some question. Because TPS43030 pin 9 through UCC27200 to MOS. How to achieve OCP and SCP function? I think PIN9 can't detection current change…

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

• TPS40303: TPS40303/4/5 synchronization of multipel controllers

  

  Michael T Schneider

  Resolved

  Part Number: TPS40303 Is there a way to synchronize multiple TPS40303/4/5 DC/DC Buck Controllers? It doesnt look like it but I wanted to confirm. Application: POL

  • Resolved

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

• TPS40303: TPS 40303's Calibration and OC function

  

  Tan Sun

  TI Thinks Resolved

  Part Number: TPS40303 We read datasheet of TPS40303, in Functional Block Diagram, we know after power up, IC will enter Calibration, LDRV will disable.But we have question as: When IC quit out from "Calibration" mode, OC function will also enable, what…

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

• TPS40303: Operation when EN/SS is above Absolute Maximum

  

  Adam Elias5

  TI Thinks Resolved

  Part Number: TPS40303 What should happen to the TPS40303 when pin 2 is above the absolute maximum of 7V. We are seeing low impedance between VDD (pin 1) and EN/SS (pin 2) due to surface corrosion caused by water. In many instances with 14VDC on VDD, the…

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

• TPS40303: SS PIN function queries.

  

  WU YISYUAN

  TI Thinks Resolved

  Part Number: TPS40303 Other Parts Discussed in Thread: LM25145 , TPS54824 , Hi, Is TPS40303's SS pin have tracking function like LM25145 or TPS54824? Or the IC have the tracking function? thanks.

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

• RE: TPS40303: About TI PWM IC Source Capability and Sink Capability

  

  Alan Martin

  I think Ambreesh's answer is correct if you are asking about the gate driver capability. But if you are asking about source and sink current capability as available at the output of the dc-dc converter apllication, I would suggest a reverse biased…

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

• TPS40303 Fails to start after a period of reliable operation.

  

  Marc Kelly

  Answer Suggested

  Other Parts Discussed in Thread: TPS40303 We are using a TPS40303 as a 12V to 5V@4A converter in a controller product that is under development. In a small number of cases (two so far in perhaps 30 PCBs made) the converter fails to start after a couple…

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

• TPS40303 Powerpad size.

  

  Johnsin Tao

  TI Thinks Resolved

  Other Parts Discussed in Thread: TPS40303 , TPS51200 Hi engineers: Can you give me the TPS40303 Powerpad size? Thank you very much. TIS: johnsin tao.

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

• TPS40345: How to get TPS40345DRC AC model using Webench or otherwise?

  

  Amit Tiwari

  Resolved

  Part Number: TPS40345 Other Parts Discussed in Thread: TPS40303 Not able to get the AC model for DCDC converter designed using TPS40345DRCR in Webench power designer tool. When exported to TINA TI, every time only transient model gets exported. The website…

  • Resolved

  • over 2 years ago
  • Power management
  • Power management forum

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