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  • LM5190-Q1: Trouble with the LM5190 and the LM5190 EVM

    Resolved
    Part Number: LM5190-Q1 Other Parts Discussed in Thread: LM5190 I did a design based the LM5190 EVM and neither the EVM or my design can transition correctly into Constant-Current (CC) mode at 8A or above. Instead, both designs at max Iout begin modulating…
    • Resolved

  • LM5190: Lm5190 for 75v output

    TI Thinks Resolved
    Part Number: LM5190 Is it possible to use this for constant current control of a high voltage? Looking to limit ~80v to 75v but mostly just want to limit current to 2a or less. I had looked through the TI power designer and it would only give me options…

  • LM5190-Q1: LM5190 Questions

    TI Thinks Resolved
    Part Number: LM5190-Q1 Other Parts Discussed in Thread: LM5190 Hello, We're considering the LM5190 for a design. Do y'all have recommendations or guidelines on how to interleave n>=2 of these ICs? I.e. by doing the following for n=2: Setting FB…

  • LM5190-Q1: LM5190-Q1 Compensation network

    TI Thinks Resolved
    Part Number: LM5190-Q1 Other Parts Discussed in Thread: LM5190 Hello TI team, I am working on a design with 48 V input and output of 5 V at 3.5 A using LM5190-Q1. However, I could not find any formulas or calculation guidelines in the LM5190‑Q1 datasheet…
    • Answered

  • LM5190: Can LM5190 be used as LED driver?

    Resolved
    Part Number: LM5190 Hello guys, One of my customers is interested in LM5190. They wonder if LM5190 can be used as LED driver. I think the device can be used. Is this correct? Could you please give me your reply? Best regards, Kazuya.
    • Resolved

  • LM5190: Noise in Bode Plot (Gain & Phase) while Measuring Loop Response using Ridley Box with LM5190

    Part Number: LM5190 Hi TI Team, I am currently working with the LM5190 in a synchronous buck configuration and performing loop stability measurements using a Ridley Box (FRA setup). While measuring the loop response (gain and phase), I am observing…

  • LM5190-Q1: Need LM5190-Q1 Spice model

    TI Thinks Resolved
    Part Number: LM5190-Q1 Other Parts Discussed in Thread: TINA-TI Hello there. chi-nguyen@ti.com Could you please share the LM5190-Q1 spice model for simulation? Thank you!
    • Answered

  • LM5190: LM5190 issues when used as a battery charger

    Resolved
    Part Number: LM5190 This is a continuation of this discussion thread which is linked here: R E : LM5190QEVM-400: LM5190QEVM destroys lower mosfet when battery connected and Iset pulled low. Hello! I'm currently testing the LM5190QEVM board as a…
    • Resolved

  • LM5190: LM5190 HS MOSFET VGS ringing – clean HS_GATE pin but distorted at MOSFET

    TI Thinks Resolved
    Part Number: LM5190 Hello Team I am using LM5190 in a synchronous buck converter with VIN = 48 V, VOUT = 12 V . The HS_GATE pin waveform is a clean square wave , but when I measure high-side MOSFET VGS (gate-to-source) at the device pins, I observe…
    • Answered

  • LM5190: Issues with LM5190, can only get 5V output

    Resolved
    Part Number: LM5190 Hello I have some issues with LM5190 We wanted to get a 48V output with a 56V input. We followed the exampel from WEBENCH and only changed the voltage divided to 40k and 680 and used a resistor of 38.3k to set the switching frequency…
    • Resolved

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