Search tips
Showing 117 results View by: Thread Post Sort by

  • UCC25800-Q1: Abnormal behavior of IC

    TI Thinks Resolved
    Part Number: UCC25800-Q1 Tool/software: Hello, We are using UCC25800B-Q1 which has OCP1 disabled as per datasheet. But we are seeing a fault code OCP1 message at the FLT pin. Please check the below waveform. Ra and Rb are 18k and 15k 1%.
    • Answered

  • UCC25800-Q1: Unencrypted spice model

    Resolved
    Part Number: UCC25800-Q1 Tool/software: Hi Expert I am currently simulating our design in PSpice environment, and facing some convergence issues, can I get unencrypted spice model of the UCC25800-Q1? Thanks and Regards Unnimaya.V
    • Resolved

  • UCC25800-Q1: Loss of regulation at high loads and ambient temperatures

    Part Number: UCC25800-Q1 Other Parts Discussed in Thread: UCC25800 , I have been testing the UCC25800 for high temperature application. This device is rated at 125C ambient and 150C junction. The input is 24V and output target is ~10V with nominal power…
    • Answered

  • UCC25800-Q1: Need Information of Vgs voltage of MOSFET

    Resolved
    Part Number: UCC25800-Q1 Tool/software: Hi, Can you please let me know the whether the drivers can sustain 100V/µs.
    • Resolved

  • UCC25800-Q1: Simulation error keeps coming when i tried to simulate UCC21551 with UCC25800

    TI Thinks Resolved
    Part Number: UCC25800-Q1 Other Parts Discussed in Thread: UCC21551 , UCC25800 Tool/software: Hi , i was trying to simulate the UCC21551 gate driver section with UCC25800 as power supply to it, Ucc21551 part was working but we i tried integration…

  • UCC25800-Q1: Isolated PS for mosfet gate driver higher than 9w and very low parasitic capacitance

    TI Thinks Resolved
    Part Number: UCC25800-Q1 Other Parts Discussed in Thread: UCC25800 Hello I'm trying to design an isolated power supply for Mosfet gate drive as following : Vin = 24v , Vout = 18v , Io=2.2 A , I Kv isolation and In-out capacitance <1 pf after exploring…
    • Answered

  • UCC25800-Q1: Need clarity in OCP1 settings in UCC25800-Q1

    Resolved
    Part Number: UCC25800-Q1 Other Parts Discussed in Thread: UCC25800 Tool/software: Hello, I am using UCC25800-Q1 as a part of my design for LLC resonant converter. I am using 18K and 15K with tolerance 2.5%. The OCP1 threshold setting depends on this…
    • Resolved
    • Answered

  • UCC25800-Q1: OCP2 fault is triggering

    Resolved
    Part Number: UCC25800-Q1 Other Parts Discussed in Thread: UCC25800 Tool/software: Hi Expert Iam designing a ~5.4W supply with UCC25800-Q1 with paralleling Three 1.8W transformers. Vin=24V transformer(750319331) turns ratio 1:1, Fsw 270kHz, voltage doubler…
    • Resolved

  • UCC25800-Q1: UCC25800-Q1

    TI Thinks Resolved
    Part Number: UCC25800-Q1 Hello We are currently designing a dual voltage supply, and we have the problem that our IC goes into error mode if more than 220mA are drawn or after 20 min goes also into error with 190mA. We measured our deltaU which is stated…

  • UCC25800-Q1: Un-encrypted Spice model

    TI Thinks Resolved
    Part Number: UCC25800-Q1 Other Parts Discussed in Thread: UCC25800 Tool/software: Hi, I've seen people posting questions on UCC25800 with their simulation results from Ltspice, we are simulating our design in Pspice environment as of now, and facing some…

Didn't find what you are looking for? Post a new question.