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  • RE: TPS2640: TPS2640, LM76005 and LMR51430 PCB Placement and Layout Design validation

    Resolved
    Hi Ben and Amrit, Thanks for your valuable suggestions for TPS2640 and LM76005. Those two sections are clear and we have updated in the Schematic & PCB. I was just waiting for feedback on LMR51430. But, I didn;t get any feedback for this. I have followed…

  • TPS2640: spec check

    Part Number: TPS2640 Tool/software: Hi The customer currently uses the TPS26400RHFR eFuse circuit as follows: Why is the FLT pin pulled Low in No Load? This causes LED 29 to light up when power is turned on without connecting any load.

  • TPS2640: TPS26400PWPR No Output voltage

    Part Number: TPS2640 Tool/software: Hi Team, We have used TPS2640 E-Fuse in our circuit for Input protection. The Input voltage is 24VDC, 1A. But I am not getting any output voltage when Input power is applied (Measured O/P voltage is 30mV). Below is…

  • TPS2640: Reverse Input Supply Protection: UVLO, OVP, and SHDN pins

    TI Thinks Resolved
    Part Number: TPS2640 Tool/software: Hi, I´m going to introduce the component TPS26400 in our design. I have a doubt about these pins UVLO, OVP, and SHDN regarding the reverse input supply protection. In datasheet it is specified that this IC has integrated…
    • Resolved

  • TPS2640: TPS2640 E fuse 2A schematic verify

    TI Thinks Resolved
    Part Number: TPS2640 Tool/software: HI Team , can you verfiy E fuse 2A design for custom product
    • Answered

  • TPS2640: OVP, UVP value

    Resolved
    Part Number: TPS2640 Tool/software: Hi team, If I want to use OVP and UVP with the default values (OVP=32.6V, UVP=14.9V), is it correct to set R3=0Ω, R1=0Ω, and R2=open? Should R2 have a set value? Also, if I want to use OVP with the default…
    • Resolved

  • TPS2640: TPS26400PWPR

    TI Thinks Resolved
    Part Number: TPS2640 Other Parts Discussed in Thread: LM7480 , LM7481 Tool/software: is there a device similar to the TPS26400PWPR with an operating temp range -55C to 125C?
    • Answered

  • RE: TPS2640: Using TPS26400 in motor applications.

    Resolved
    Hello Jimmy, Since MODE pin is open. Device is in CB operation. I(CB)=12/RILIM +0.03 Fast trip threshold will be higher than what you have calculated. It will be ~1.567A. Thanks Amrit
    • Answered

  • TPS2640: layout

    Resolved
    Part Number: TPS2640 Tool/software: Hi, I have questions about layout. In the case of a 4-layer PCB, how should the inner layers be configured? Should the areas where the TOP layer has the RTN pattern also have the RTN pattern on layers 2 and 3? …
    • Resolved

  • TPS2640: About overcurrent behvier

    Part Number: TPS2640 Tool/software: Hi team, My customer found some issues here. I can not explain it. Could you provide your suggestion? The schematic and waveform as below. Test condition. The original current limit setting is 0.8A. It's a Fan power…

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