• LM7480-Q1: Time delay for output generation

  

  Nandini Muralidharan

  TI Thinks Resolved

  Part Number: LM7480-Q1 Tool/software: Hi, I have this configuration and would like to know what the time delay between the input side 12V to generation of combined 12V at the source of the mosfet. Can you explain how it needs to be calculated and what…

  • 3 months ago
  • Power management
  • Power management forum

• LM7480: design review

  

  Aditi Mishra

  Part Number: LM7480 Tool/software: We are using LM74800QDRR for ORING section in our design. Kindly review the design and share your comments. /resized-image/__size/320x240/__key/communityserver-discussions-components-files/196/pastedimage1723475129160v1…

  • 4 months ago
  • Power management
  • Power management forum

• LM7480-Q1: LM48000 Schematic review and FET damaged problem

  

  Anderson Hou

  Part Number: LM7480-Q1 Tool/software: Hi Sir Could you help us to review our LM74800 schematic? Our design follow your 200-V Unsuppressed Load Dump Protection Application. We manufacture about 50pcs of units with LM74800 and find three pcs of units have…

  • 3 months ago
  • Power management
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• LM7480-Q1: Drop in simulation

  

  SAKTHIRAAM B

  Part Number: LM7480-Q1 Other Parts Discussed in Thread: LM74800-Q1 , Tool/software: Hi all, We are LM7480-q1 in our design. In our design two parallel LM74800-q1 Oring Circuit is used. IN that we need Input & output voltage is 12V and output Current 12…

  • 4 months ago
  • Power management
  • Power management forum

• LM7480-Q1: MOSFET selection

  

  Roy Chou1

  TI Thinks Resolved

  Part Number: LM7480-Q1 Other Parts Discussed in Thread: LM74800-Q1 Tool/software: Hi Team, We plan to use the MOSFET with LM7480-Q1 in below condition. Vin:6~18V, Imax=30A https://assets.nexperia.com/documents/data-sheet/BUK7Y2R0-40H.pdf Not sure how…

  • 4 months ago
  • Power management
  • Power management forum
Answered

• LM7480-Q1: Power Up Failure

  

  Yassine Damoh

  Resolved

  Part Number: LM7480-Q1 Tool/software: Hello, Using common source configuration, we occasionally have power-up failure. We assumed it's related to the charge-pump cap versus input capacitance of the Mosfets : the following results were obtained using…

  • Resolved

  • 4 months ago
  • Power management
  • Power management forum

• LM7480-Q1: Reverse input protection to -100V

  

  tufan pars

  TI Thinks Resolved

  Part Number: LM7480-Q1 Tool/software: Hi Team, I want to extend the reverse protection to -100V level. Is it possible to add a diode or Fet between SGND and AGND? thanks.

  • 4 months ago
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• LM7480-Q1: Spice Model for Simulation request

  

  tufan pars

  TI Thinks Resolved

  Part Number: LM7480-Q1 Tool/software: Hi Team, Can you please share the unencrypted spice mode for LM74801 device for my simulation? thank you, best regards

  • 4 months ago
  • Power management
  • Power management forum
Answered

• LM7480: Using input capacitors

  

  Hirotsugu Kobayashi

  Resolved

  Part Number: LM7480 Tool/software: Hi team, Our customer is considering a circuit using an input capacitor with the LM7480. When the load is shorted, the discharge from the input capacitor will momentarily exceed the SOA of Q2, damaging the Q2 FET. …

  • Resolved

  • 5 months ago
  • Power management
  • Power management forum

• LM7480-Q1: 12V Redundant Power Circuit: Diode Confirmation

  

  SAKTHIRAAM B

  Part Number: LM7480-Q1 Tool/software: 75W power (meaning approx.6.5-7A current @12V) with this diode BUK7Y4R8_60E

  • 4 months ago
  • Power management
  • Power management forum

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