• TPS54427: Load Transient simulation not allowing changes to load current - Webench

  

  Darren Jenkins

  Part Number: TPS54427 TPS54427 support, I tried simulating a load transient with TPS54427, and it doesn't allow any change to the load current. It seems to fixed at 10% to 100%. If you open the settings for the load, you'll see () instead of "I1"…

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

• TPS54427: Operating free-air temperature

  

  Noriyuki Takahashi

  Resolved

  Part Number: TPS54427 Other Parts Discussed in Thread: TPS565201 , TPS564201 , TPS62135 Hi team The Operating free-air temperature of this device is up to 85 degree C, but shoud they care about this or should they care about only the junction temperature…

  • Resolved

  • over 3 years ago
  • Power management
  • Power management forum

• TPS54427: Different X ray result. Is this situation normal?

  

  Louise Zhang

  TI Thinks Resolved

  Part Number: TPS54427 Hi Dear, I bought a new batch of TPS54427DDAR.But the X ray result is slightly different from what I bought before. Could you please advise if it`s normal? Thanks! NEW PO OLD PO

  • over 4 years ago
  • Power management
  • Power management forum

• TPS54427: TPS54427

  

  prasath Shanumgam

  TI Thinks Resolved

  Part Number: TPS54427 Hi Team, Can we use the part TPS54427 with input Supply 5 V is Possible. In data shee VREG5 Regired the input range 6V<VIn <18V for the VREG5 OUT is 5.2 V If Provide the 5 V VREG out is enough to bias and UVLO. Please clarify…

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

• TPS54427: Test radiation overshoot

  

  Timsen

  TI Thinks Resolved

  Part Number: TPS54427 Dear all： I'm using TPS54427, output 3.6V.When testing the radiation, it was found to exceed the standard. The following is the schematic diagram and PCB Layout. Please help to check, Any Suggestions for reducing radiation? Thank…

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

• TPS54427: Please help to check the schematic

  

  Yue TANG

  Resolved

  Part Number: TPS54427 Hi, My customer is evaluating TPS54427 for a 12Vin 1.2Vout 4A design. basically refer to WEBENCH, but a slight difference of the BOM. so far, they are also evaluating another device , need to confirm this design ASAP. please help…

  • Resolved

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

• TPS54427: The soft strst capacitar of TPS54427

  

  takahiko yokota

  Part Number: TPS54427 Hi I got a question from my customer about TPS54427. This device can change the soft start time to adjust the soft start time capacitance. Could you tell me the available maximum capacitance of it? Best regards, Yo…

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

• TPS54427: high side mosfet voltage

  

  vivian wang

  Resolved

  Part Number: TPS54427 Hi Because the MOSFET are in the converter, the spec only show the SW(low side MOSFET) max voltage=22V. We want to know the high side MOSFET max voltage=? Thank you!

  • Resolved

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

• TPS54427: measurement condition of Theta_JA & VFBTH at the 5~50 degree C

  

  Noriyuki Takahashi

  TI Thinks Resolved

  Part Number: TPS54427 Hi team 1. Could you share the measurement condition of Theta_JA for TPS54427DDA? Customer is wondering 42.1℃/W can be used at their condition, that is the 4 layer board. 2. How do they estimate the value of VFBTH at the 5…

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

• TPS54427: Schematic review

  

  Andrew Baek

  Resolved

  Part Number: TPS54427 Please review the attached schematic and let me know of feedback. Thanks, Andrew P01 Main Power.pdf

  • Resolved

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

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