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Type: Posts; User: wilopaan

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  1. Replies
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    Did you consider my quote belonging the...

    Did you consider my quote belonging the parallelizing in general?

    From above:

    If I use two IFX007T for one half-bridge, I have to connect Vs, Gnd and Ouput. If the switching delay in one...
  2. Replies
    7
    Views
    8,457

    If I use two IFX007T for one half-bridge, I have...

    If I use two IFX007T for one half-bridge, I have to connect Vs, Gnd and Ouput. If the switching delay in one IFX007T is slightly different (say 0.9us) from the other IFX007T (say 1us), we have a...
  3. Replies
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    Thanks for your reply. Vs = 24V I > 20A...

    Thanks for your reply.

    Vs = 24V
    I > 20A
    PWM-Freq=16KHz
    slew-rate: as fast as possible

    But isn't it a problem due to delay variations, because either to high-sie or the low-side is conducting?
  4. Replies
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    IFX007 parallelizing

    Hi all,

    I tested the IFX007 (no heatsink) with up to 20A current and it got very hot: 4W * 19K/W = 76K above ambient temperature.

    Is it possible to parallelize IFX007, also in an PWM use case?...
  5. Replies
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    So, this is a choice between 1) using INH...

    So, this is a choice between

    1) using INH results in using the body diode as a freewheeling diode,
    2) using IN results in using the active FET as a conducting element to shorten the BEMF voltage
  6. Replies
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    3,539

    The datasheet states a voltage range of 8-40V for...

    The datasheet states a voltage range of 8-40V for the IFX007T, not only up to 24V as you said above.

    Is this an error in the datasheet?
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    IFX007 vs BTN8982

    What is the difference between this twi ICs?

    Thank you!
  8. Replies
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    IFX007 freewheeling

    Just read the datasheet of the new IFX007.

    If one uses the IN-pin only, no freewheeling of the motor ist possible: it is shortened.

    Can one use the INH to apply the PWM?

    Thanks,
    Wilhelm
  9. Replies
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    Sticky: Is it possible to use the INH-Input (Inhibit) to...

    Is it possible to use the INH-Input (Inhibit) to supply a PWM-signal? Otherwise (PWM on IN) the BDC-motor will be shortened during PWM-off.

    Thanks for an answer.

    Wilhelm
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