• ADuM4136 VDESAT Reference

    Hi, in our application we're using ADuM4136 with MOSFETs and I was wondering what the Vdesat 9V source is referenced to internally. The functional diagram in rev 0 of the datasheet references the internal clamp and the 9V source to VSS2. However, since…

  • ADuM4136 /FAULT and READY states

    Hi,

    I'm designing a motor driver using the ADuM4136.

    From the datasheet Table 9, I've noticed that there are some conditions under which the READY and /FAULT pins have "UNKNOWN" states.

    Can you explain this a bit more?  For instance, if…

  • ADUM4136 weird behavior

    How can you explain following behavior please:

    Status primary side:

    VI- tied to VSS1

    VDD1 +3,3V with respect to VSS1 (always guaranteed not to exceed chip limits, protected with TVS)

    VI+ valid PWM signal (+3,3V or 0V with respect to VSS1)

    /RESET low

  • RE: Adum4136 Damage with Ready pin low

    This question has been assumed as answered either offline via email or with a multi-part answer. This question has now been closed out. If you have an inquiry related to this topic please post a new question in the applicable product forum.

    Thank you,
  • RE: Ask ADUM4136 DESAT fault under ringing condition

    This question has been assumed as answered either offline via email or with a multi-part answer. This question has now been closed out. If you have an inquiry related to this topic please post a new question in the applicable product forum.

    Thank you,
  • EVAL-ADuM4136EBZ PIN15 (VSS 2 pin) unconnected

    Hi

    I am considering the ADuM4136 evaluation board.


    The schematic of the evaluation board user guide does not have the 15-pin(VSS2 pin) connected.

    Is this a bad connection?
    Should I connect PIN15 and VSS2 when evaluating?

    Or is pin 15 unnecessary because…

  • Reset Pin Low issue ADUM4136BRWZ

    We are using ADUM4136BRWZ Half Bridge gate driver to drive SIC MOSFET_ FF11MR12W1M1PB11BPSA1,(H -Bridge Configuration),

    During Double pulse test set up,

    V1:220V, L1:200uH, Ipeak:100A, T1(on):55us, T1(off):10us, T2(on):10us

    after that desaturation protection…

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  • RE: Is ADuM4135 suitable for high voltage SiC application? Do you have some suggestion?

    Hello,

     

    The ADuM4135 does have good performance, but we have come across cases where short bursts of RF can upset the DESAT operation of the parts causing a premature fault to register. We are working on addressing the issue. We should have an update…