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rc helicopter motor

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rc helicopter motor Customers Reviews

  • Nice

    posted by Oznog

    Two 35v 470uF electrolytic input caps
    5v reg TA7805F, max Vin 35v
    Atmel ATMEGA 8L
    LT1262, a 5v-to-12v charge pump, presumably to make 12v for gate drive
    Three IR2101S gate drivers. Uses floating high sides, the high side can go up to 600v.
    12x output transistors, 2x per half-bridge:
    In mine, 11x are FDD6688 (30v Vds, 84A, 5mOhmn @
    10V Vgs) and oddly enough ONE FDD8896 (30v Vds, 94A, 5.7milliohm Rds-on @ 10v)
    Cheap controllers often don't use gate driver chips. So this is pretty decent.
    The 5V reg is not well heatsinked. If operated with a high input voltage, if you draw a lot of current out of the BEC you can easily overheat the 5v reg. True in most of these.
    Absolute max voltage is 30V here, limiting factor is the transistor Vds-max.
    It sounds like it CAN go up to 6lipo (4.2v*6=25.2v). Just barely, but it can. Should be able to work on a 24V sealed-lead-acid battery too, but that could be 28.8V while charging, very risky. If the ESC isn't turned on until it's taken off the charger and left to rest a minute, it'll be FINE.
    Oddly enough, when both sides of the H-bridge are off, the transistor voltage breakdown rating is up to 60v, in which case the 35v rating of the caps and voltage reg are the limiting factors.
    I've never actually turned it on. This is an Aspie Tech Review.
  • Very good and cheap

    posted by jalare

    It works perfectly and is 100% reliable, may not support the 50A but goes perfectly with lower consumption. The BEC is separated from the ESC so it cools better.Spanish:Funciona perfectamente y es un producto 100% fiable, quizás no soporte los 50A pero vá perfecto con consumos inferiores.El Bec está separado del ESC por lo que se refrigera mucho mejor.
    The best I've found a low price.Spanish:El mejor que he encontrado a precio tan bajo.
    I'm using it with a 2217 brushless motor 1050kv 16turn mounted on a glider flight EasyFly for FPV.If you need an ESC buy it. Buy 2 to get some parts, is very cheap.Spanish:Lo estoy usando con un motor brushless 2217 16turn 1050kv montado en un velero, EasyFly para vuelo en FPV.Si necesita un ESC compralo. Compra 2 para tener alguno de repuesto, es muy barato.
  • Top

    posted by Pestflatte

    * best price u will find * good quality so it works fine without any wrong vibration* very easy to use, was fast braze on the connections* i use this motors for the WLtoys V911 but can be used for many other thins too
    * standard time for delivery to germany* the back motor was fast damaged, but it was the the broken back motorcontroller, so i need an new board for the V911 or new heli ;)
    * just buy it
  • Seems good but received simple version

    posted by krekr

    - Seems like a solid ESC (I have limited experience in this field)
    I have ordered 3 more. I hope they are the "pentium" version being advertised.
    The "pentium" seems like a good deal. However, if you need extra options (programming) this item might not be for you. The "cloud" vs "pentium" problem might be a warehouse mix-up. I have another shipment on the way and will confirm.


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