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  • Summi
    September 2, 2016 at 11:07 pm
    Post count: 0
    #7836 Reply |

    Hello,

    I recently purchased a product, DROK 600 W 12A DC boost Voltage converter, 12-60V to 12-80V step-up power supply,

    According to my understanding, there are two potentiometers that I can control. I got one which controls voltage, doesn’t the other one control current? What are the ratings of the potentiometer?

    When I connected to my load, the voltage step up works, but when i measure current increase or decrease, doesnt work?

    Do you have a different controller for current controlling and voltage controlling?

    Looking forward for a quick reply.

    Thank you

    Here is the link of the regulator just in case, https://www.amazon.com/DROK-Converter-Transformer-Regulator-Controller/dp/B00E8D7XYG

    Summi
    September 2, 2016 at 11:48 pm
    Post count: 0
    #7837 Reply |

    Also, it mentions LED Driver generator, is that voltage control with the potentiomenter or, current control? because usually as far as I know, led dimming is current controlled.

    Let me know your thoughts, or suggestions on how I could make an led driver out of this?

    Say, I want 100W or 120W at 30V and 3A or 4A. Or 400 W, with 50-60V and 8-6A. How do i configure it?

    Drok
    Keymaster
    September 5, 2016 at 3:49 am
    Post count: 2971
    #8249 Reply |

    Hello Summi,
    Thank you for writing in.
    What is the load? Is it the LED?
    Did the current not increase or decrease when you connected the load?
    Could you please tell us more details of your operation, such as the input voltage/current, the wiring, the working environment?
    If you can, we sincerely hope that you can send us some images to let us check the problem details.
    And here the PDF file is the datasheet of the product, please check it.
    DATASHEET_090089
    Hope this can help you.
    Best regards

    Summi
    September 6, 2016 at 6:09 pm
    Post count: 0
    #8268 Reply |

    The load is 100W, 200W LED.

    I had connected DC power supply of 12V, I got voltage output when I play around with the potentiometer.

    So, quick question, there are two potentiometers on the board, one is for voltage and one for current variation right? or no? Because one of them changes voltage, the other one doesn’t do anything. What is the other one for?

    As far as wiring diagram, its simple, dc source to input of board, output of board to LED.

    Let me check again if I can get the current reading to work.

    -Summi

    Drok
    Keymaster
    September 7, 2016 at 7:10 am
    Post count: 2971
    #8285 Reply |

    Hello Summi,
    Thank you for your reply.
    Have you connected a load when you adjust the current?
    If not, the current cannot be adjusted until you connect a load.
    And the “CC” potentionmeter is for adjusting the current, clockwise for increaseing, counter-clockwise for decreasing.
    Warm Tips:
    The output power is related to the input voltage(output power= input voltage* 10A, 10A is the input current for long-term working)
    The output current is related to the differential pressure between the input voltage and the out voltage.
    The higher the differential pressure is, the lower the output current is.
    Hope this can help you.
    Best regards

    Summi
    September 7, 2016 at 4:48 pm
    Post count: 0
    #8299 Reply |

    Do you know the potentiometer range? is it 1k pot or 10k or?

    Yeah, It did work for me but too much flicker, maybe too much current at output.

    Okay, so, if input is 12V 10A, I can change the current from 0A-10A at output right?

    Drok
    Keymaster
    September 8, 2016 at 7:37 am
    Post count: 2971
    #8329 Reply |

    Hello Summi,
    The CV potentiometer is 100K and the CC potentionmeter is 200K.
    The output is according to the this formula：
    Output current=(Input voltage * 10A)/Output voltage
    Hope this can help you.
    Best regards

    Summi
    September 9, 2016 at 6:01 pm
    Post count: 0
    #8388 Reply |

    Hey, it works. my input earlier was 12V 5A, Just tested with 12V 10A, works good.

    But, there is little noise generated from the board when the current is low? is it because of the transformer? or due to inductors and capacitors?

    Drok
    Keymaster
    September 12, 2016 at 3:44 am
    Post count: 2971
    #8666 Reply |

    Hello Summi,
    We have consulted your problem to our customer that the product will generate some noise in some working condition, which is normal phenomenon.
    Hope you can understand.
    Best regards

    Summi
    September 12, 2016 at 9:50 pm
    Post count: 0
    #8791 Reply |

    Thats okay,

    thank you,

    I have sent a request regarding the voltage regulator to service@droking.com, Please check and get back to me.

    -Summi

    Drok
    Keymaster
    September 13, 2016 at 2:04 am
    Post count: 2971
    #8826 Reply |

    Hello Summi,
    We will check it and give you a reply as soon as possible.
    Have a nice day!
    Best regards

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