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  • LM5123-Q1: The TRK pin of LM5123

    TI Thinks Resolved
    Part Number: LM5123-Q1 Dear team: my customer use LM5123-Q1 in the application of Audio amplifier , he is confused about the Adjustable Output Regulation,。 My customer does not want to use the function of regulating the output, they are using a fixed output…

  • LM5123-Q1: Loop Compensation Component Value Selection

    TI Thinks Resolved
    Part Number: LM5123-Q1 I have used both the WEBENCH Power Designer and the spreadsheet based tool to calculate the compensation network component values for an LM5123-Q1 boost converter with the following parameters with wildly different results. Vin…

  • LM5123-Q1: LM5123-Q1

    Part Number: LM5123-Q1 Other Parts Discussed in Thread: LM5177 Hi Team Now my customer wants to use a output voltage adjustable boost device for their automotive application. The requirement is as below: Vin: either 9-28V or 5V Vout: 6-59V adjustable…

  • LM5123-Q1: Short to Battery Condition

    TI Thinks Resolved
    Part Number: LM5123-Q1 Hi team, Can you comment what will happen to the LM5123-Q1 if the output (Vload) has a short to battery condition. Battery is in a 6V-16V range and we are designing for a 24V Vout boost so I'm thinking we will just current limit…

  • RE: LM51231-Q1: lm5123 not switching.

    Hi Emanuele, I have not seen an update for the last x days, so I assume the questions are/or answered and the issue is solved. I close this thread now. If there is still something open reply and the thread will get open again. If you have any other question…
    • Answered

  • LM5123-Q1: output voltage deviation

    Resolved
    Part Number: LM5123-Q1 Hi Team, The customer is using LM5123-Q1 with TRK pin voltage is set to 0.75V. How much this typical output voltage will vary due to the tolerance of this boost controller? and how can I calculate this? Thanks in advance. Regards, …
    • Resolved
    • Answered

  • LM5123-Q1: Internal gate driver resistance

    Resolved
    Part Number: LM5123-Q1 Hi, For doing the WCCA of a Tracking power supply which uses LM51231, I wanted to know the LO and HO internal gate drive resistances (both source and sink). This is to get the total gate resistance to the external MOSFET and to calculate…
    • Resolved

  • LM5123-Q1: EVM or Design Guide TIDA-020033 (TIDUA71) Schematic & PCB Design Files

    TI Thinks Resolved
    Part Number: LM5123-Q1 Other Parts Discussed in Thread: TIDA-020033 , LM5123EVM-BST Hi Team, would it be possible to get the Schematic & PCB Layout Files (preferred Altium) for the LM5123EVM-BST and / or for the Design Guide TIDA-020033 (TIDUA71)? …
    • Answered

  • LM5123-Q1: Output voltage setpoint using TRK

    Resolved
    Part Number: LM5123-Q1 Hi, For doing the worst case circuit analysis, I wanted to know the output voltage setpoint corresponding to TRK pin voltage and the Vout deviation. I found from datasheet that the Vout will be 60*Vtrk and by this way I could find…
    • Resolved

  • LM5123-Q1: Is it safe to back-feed with voltage from output when shut down?

    TI Thinks Resolved
    Part Number: LM5123-Q1 We are designing a system where we have one of the following power input scenarios: - 12V available (which will be boosted to 24V by this circuit) - 24V available (which will directly power the 24V circuitry, hopefully not damaging…

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