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600W boost schematic 2016-05-18T16:03:34+00:00

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  • chris
    May 18, 2016 at 4:03 pm
    Post count: 0
    #5000 Reply |

    Hi!
    The board is labelled YHD11003a, and has some missing foot prints.
    What are these parts, and for what purpose?
    The board could use UNDER VOLTAGE LOCKOUT, which may perhaps be those parts?
    If not included, I have to add this to the board.
    I need a schematic to do this. I could trace it out but I’m lazy.
    Obviously turning off the TO-220 main switch transistor will not turn off the output, but at least boosting is interrupted, which will protect the power source from current overload.
    A complete Enable-Disable circuit with OVER and UNDER voltage on the input would be better, but more parts would have to be added.

    Drok
    Keymaster
    May 19, 2016 at 2:09 am
    Post count: 2971
    #5008 Reply |

    Hi chris,
    Thank you for writing in.
    We are so sorry that we cannot find out which product you are referring to.
    Could you please tell us your order ID or the link of the product?
    With your help, we can find a solution more quickly.
    Best regards

    chris
    May 19, 2016 at 2:24 pm
    Post count: 0
    #5013 Reply |

    it is the 12A 600W boost converter. The number I stated is from the PCB.

    http://www.amazon.com/DROK-Converter-Transformer-Regulator-Controller/dp/B00E8D7XYG?ie=UTF8&m=AFHAE9RJVUMB&qid=1463667746&ref_=sr_1_40&s=merchant-items&sr=1-40

    Thanks!

    Drok
    Keymaster
    May 20, 2016 at 6:15 am
    Post count: 2971
    #5029 Reply |

    Hi chris,
    Thank you for your reply.
    If the input voltage lower than 7.5V, the product will stop working.
    “has some missing foot prints” and we are sorry that we cannot find what is the “TO-220 main switch”.
    Could you please send us an email (service at droking dot com) with some image to let us check the problem detail?
    Waiting for your reply.
    Best regards

    chris
    May 23, 2016 at 6:32 pm
    Post count: 0
    #5066 Reply |

    The part is labeled “600W” yet your data sheet says “150W”.
    Why?

    Drok
    Keymaster
    May 24, 2016 at 3:08 am
    Post count: 2971
    #5073 Reply |

    Hi chris,
    We have checked that there is something wrong with the datasheet.
    Here is the correct version for you
    090089_DATASHEET
    Sorry for the inconvenience caused on you.
    Beg your forgiveness and understanding.
    Best regards

    chris
    June 4, 2016 at 3:28 pm
    Post count: 0
    #5271 Reply |

    I really need that schematic.

    I also noticed that the “diode” on the board is another N-MOSFET, where the drain-body junction is used as a diode, perhaps not the lowest possible Vf?
    Why not use a Schottky diode or, better yet, a Synchronous driver to switch the FET into conduction?

    This converter has very little in the way of filtering on its output, a sturdy L-C filter is needed to remove 2V p-p ripple.

    Chris K
    March 6, 2017 at 11:17 pm
    Post count: 0
    #13348 Reply |

    I would like to use this as a battery maintainer. it will be set at 27 volts and 5 amps. This is for the start battery on a gas turbine. After the turbine starts, the voltage on the batteries being charged by this product will increase to 28 volts as the turbine has it’s own alternator. Will applying 28 volts to the output of this product hurt it if it is set to 27 volts?

    Drok
    Keymaster
    March 8, 2017 at 4:06 am
    Post count: 2971
    #13424 Reply |

    Hello Chris K,
    Thank you for writing in.
    Could you please send us the link of product so that we can ensure the product you mention?
    We will find solution for you at that time.
    Best regards.

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