• TPS51285A: Schematic review request

  

  Takashi Onawa

  TI Thinks Resolved

  Part Number: TPS51285A Hi Team, Could you review TPS51285A's schematic quickly? You can access the schematic from here(Internal link) Let me know if you find out any no good points in the schematic. Regards, Takashi Onawa

  • over 5 years ago
  • Power management
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Answered

• TPS51285A: TPS51285A ----- Output capacitor of VREG3 and VREG5

  

  TT_Chin

  Resolved

  Part Number: TPS51285A Other Parts Discussed in Thread: CSD87331Q3D Hi , According to TPS51285A datasheet suggestion , a ceramic capacitor with a value of 4.7 µF or larger (X5R grade or better) is required for each of VREG5 and VREG3. If I change…

  • Resolved

  • over 6 years ago
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• RE: TPS51285A: TPS51285A ---- high low side MOSFET damage issie

  

  Sam(MPAA) Zhang

  Hi Eric, Could you tell me the failure rate? And, could you send me the layout file? My email: sam.zhang@ti.com Thanks! Regards, Hao

  • over 6 years ago
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Answered

• TPS51285A: calculation tool

  

  GARETH OU

  Resolved

  Part Number: TPS51285A Hi Please help provide calculation tools thank you very much

  • Resolved

  • over 5 years ago
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Answered

• TPS51285A: Find p2p solution

  

  user6412221

  Resolved

  Part Number: TPS51285A Other Parts Discussed in Thread: TPS51396A From cross reference, the best TI solution to SY8288ARAC is TPS51285BRUKR. However, it's not p2p solution. Is there any TI"s p2p solution? thanks!!

  • Resolved

  • over 5 years ago
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Answered

• TPS51285A: NOCL value

  

  Ann_Lien

  Resolved

  Part Number: TPS51285A Hello expert, My customer is asking for NOCL value since OVP description mentions DRVL will turn off when current reachs NOCL value. Could you kindly help to provide NOCL value? Thanks a lot! Best regards, Ann Lien

  • Resolved

  • over 5 years ago
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• TPS51285A: cannot get into DEM

  

  Ann_Lien

  TI Thinks Resolved

  Part Number: TPS51285A Hi expert, Customer has a question on CCM --> DEM. Below is the waveform that TPS51285A cannot get into DEM mode, we think it is due to wide ZCD threshold.(inductor current is down to -15.6A but it is still in CCM) Would you kindly…

  • over 6 years ago
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Answered

• TPS51285A: TPS51285x when is VUVP-ST (UVP trip threshold at STARTUP) available?

  

  Naokazu Kinjoh

  Resolved

  Part Number: TPS51285A Hi team, 1. Is VUVP-ST (UVP trip threshold at STARTUP) applied at soft-start duration? Or other condition? Please let us know the timing condition that is to be available. 2. It is presumed VUVP-ST to be available in typically…

  • Resolved

  • over 8 years ago
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• TPS51285A startup problem

  

  Dennis Keats

  Other Parts Discussed in Thread: TPS51285A I am using a TPS51285A for a 5V/3.3V regulator. The enable inputs (EN1 and EN2) are connected to the VREG3 (3.3V LDO) output which becomes active when the input voltage reaches about 4.6V. This works OK when…

  • over 12 years ago
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• TPS51285B: OCP trigger

  

  Jeff YANG

  TI Thinks Resolved

  Part Number: TPS51285B Other Parts Discussed in Thread: TPS51285A Tool/software: Hi, Doe TPS51285B current trigger to OCP set point will protect immediately? Or it allow a short period over OCP set point? If yes, what is the time period. thanks! …

  • over 1 year ago
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