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DC-DC Step Up Power Supply Module CVCC Boost Voltage Converter 80W 2V-24V to 3V-30V

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1.Description:
    ZK-S4 is a DC adjustable constant voltage constant current step up power supply module.Adjustable stable output voltage and current.Set output current to meet the demand.It can be used as ordinary buck power supply module, charger and LED constant current driver.Simple and efficient, practical.Support solar charging.
 
2.Features:
    1>.Ultra low input voltage
    2>.High current output
    3>.Support anti-backflow Protection
    4>.Support over-current protection
    5>.Support under-voltage protection
    6>.Support anti-reverse protection
    7>.Support charging mode
    8>.Two-stage filtering low ripple
    9>.Support working status indicator
 
3.Parameters:
    1>.Product Name:ZK-S4 4A Step Up Power Supply Module
    2>.Product Number:ZK-S4
    3>.Working Voltage:DC 2.0V-24.0V
    4>.Output Voltage:DC 3.0V-30.0V
    5>.Input Current:15A(Max)
    6>.Output Current:4A(4A need heat sink;3A is stable for long time)
    7>.Output Power:80W(Max 45W at 3.7V;80W at 12V)
    8>.Conversion efficiency:93%
    9>.Under-voltage Protection:Yes(Default 2V)
    10>.Anti-backflow Protection:Yes
    11>.Anti-reverse protection:Yes(MOS)
    12>.Working Temperature range:-20℃~85℃
    13>.Working Humidity range:0%-95%RH
    14>.Size:80*31.5*23mm
    15>.Heat sink size:48*16*10mm
 
4.Potentiometer/LED introduction:
    1>.CV Potentiometer:Adjust output voltage.Increase the output voltage when rotating clockwise.
    2>.CC Potentiometer:Adjust output current.Increase the output current when rotating clockwise.
    3>.CC LED:Red LED.Constant current output indicator.It enters the constant current state when the load current reaches the set current and CC constant current indicator turns ON.
    4>.ON LED:Green LED.Output voltage indicator.
 
5.Protective function:
    1>.Under-voltage Protection:The default under-voltage protection voltage is 2V.User can modify the R22 resistor according to the formula R22=12500/(U-0.75V) and reset the under-voltage protection value.U is under-voltage protection value.E.g set under-voltage protection value to 3V.So the R22 needs to install 5.6K resistor. 
    2>.Adjust output current:Rotate the CC potentiometer counterclockwise more than 20 turns before connect power supply.Then power on.Then rotate the CC potentiometer clockwise to increase the output current.
 
6.Using Steps:
    1>.As a ordinary step down power module:
        1.1>.Connect right input voltage at input terminal;
        1.2>.Adjust CV constant voltage potentiometer to set output voltage according to require. 
        1.3>.Rotate CC constant current potentiometer clockwise to set output current according to require overcurrent protection value.
        1.4>.Test and using(E.g:Module’s maximum output current is 2A if display 2A on multimeter.Red LED indicator will turn on if output reach to 2A.Otherwise LED is OFF.)
        1.5>.The output voltage will decrease due to the current sampling resistor at the output. The higher the current, the more the voltage is reduced.
    2>.As a charger:
        2.1>.Tops:Power module can not be used as charger module if it does not support constant current function.The voltage difference between the battery with insufficient voltage and the charger is very large.Causes excessive charging current even damage the battery.So it need keep charging in constant current mode to reaching a certain level.Then automatically switch back to constant voltage charging.
        2.2>.Make sure floating charge voltage and charge current for battery.If the lithium battery’s parameter is 3.7V/2200mAh, then the float charge voltage is 4.2V, and the maximum charging current is 1C, which is 2200mA.
        2.3>.Connect right input voltage at input terminal.(Note:Please don’t connect load during set parameter).
        2.4>.Test output voltage by multimeter and adjust CV potentiometer to make sure output voltage reach to require floating charge voltage.(If charge a 3.7V lithium battery, adjust the output voltage to 4.2V)
        2.5>.Rotate CC constant current potentiometer clockwise to set output current according to require charge current value.
        2.6>.Connect battery at output terminal and start to charging.
    3>.As a high power LED constant current driver:
        3.1>.Make sure LED working current and maximum working voltage.
        3.2>.Connect right input voltage at input terminal.(Note:Please don’t connect load during set parameter).
        3.3>.Test output voltage by multimeter at output terminal and adjust CV potentiometer to set output voltage to LED’s maximum working voltage.
        3.4>.Rotate CC constant current potentiometer clockwise to set output current according to require LED working current.
        3.5>.Connect LED and test.
 
7.Note:
    1>.It is a step up power supply module,So the output voltage must be more than input voltage.Otherwise it will not working normally.
    2>.The USB output is not fixed at 5V,it maybe 1V~24V.So please careful when use USB!
    3>.Please rotate the CV potentiometer counterclockwise more than 20 turns if there is no output voltage.
    4>.It is a DC power module,So it can not connect to AC power.
    5>.’IN-’ and ‘OUT-’ can not be connect together,otherwise module can not support constant current output.
    6>.Please make sure input power is more than load power.
    7>.Please step down output power if module is hot.
    8>.Please read use manual and description before use.
 
8.Application:
    1>.Ordinary power supply;
    2>.Battery charger;
    3>.LED drive power;
    4>.Instrument voltage display;
    5>.Test meter;
    6>.Circuit test;
    7>.Power conversion.
 
9.Package:
    1>.1pc ZK-S4 4A Step Up Power Supply Module;
    2>.1pc Heat Sink;
 

 

 
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DC-DC Step Up Power Supply Module CVCC Boost Voltage Converter 80W 2V-24V to 3V-30V
$5.76
$8.59

Sold Out

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