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Thread: Questions about BTN8982TA

  1. #1
    Laura is on a distinguished road
    Join Date
    Sep 2019

    Questions about BTN8982TA

    "I want to use BTN8982TA IC for motor control of UAV as its specifications are perfectly match with my requirement. However, I see only one issue regarding its operating voltage range. Since this IC is mainly designed for auto industry where operating voltage is 12V. However, in my case operating voltage is 28V. The datasheet of BTN8982 mentions normal operating voltage range 8V-18V; And min & max operating voltage 5.5V to 40V.

    In my application, typically 28V-32V operating voltage will be available all the time. If back emf phenomenon occurs, this operating voltage may also increase slightly for short duration of time (approx <36 Volt). In this scenario, could you please guide me
    (1) whether should I use BTN8982 or not if there is no back emf phenomenon (operating voltage 28V-32V)?
    (2) In case this IC is not suitable for my application, could you suggest me your any other suitable IC? "

  2. #2
    vivid is on a distinguished road
    Join Date
    Sep 2019
    BTN8982TA is designed for automotive applications, but it's max. rating of VS is from 5.5V to 40V. Therefore it can be used for your application theoritically. But please be noticed all parameters are specified in the normal operation range of VS (8V - 18V). If you use it out of this range, the parameters might have deviations. For industrial applications we recommand another device which is called IFX007T: The parameters are specified when VS = 24V. It is much closer to your case.

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