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Home>Electronic Modules>Power Module>DC-DC 8A Solar Wind Energy Vehicle Voltage Regulator Charge Automatic Buck-Boost CV/CC Adjustable Power Module
DC-DC 8A Solar Wind Energy Vehicle Voltage Regulator Charge Automatic Buck-Boost CV/CC Adjustable Power Module

DC-DC 8A Solar Wind Energy Vehicle Voltage Regulator Charge Automatic Buck-Boost CV/CC Adjustable Power ModuleItem NO.: MK00659

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DC-DC 8A Solar Wind Energy Vehicle Voltage Regulator Charge Automatic Buck-Boost CV/CC Adjustable Power Module
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  • Automatic Buck-Boost CV/CC Adjustable Power Module

     

    Synchronous Rectification Technology Introduction:

     

    Synchronous rectification is a new technology that uses special power MOSFETs with extremely low on-state resistance to replace rectifier diodes to reduce rectification losses. It can greatly improve the efficiency of the DC/DC converter and there is no dead-time voltage caused by the Schottky barrier voltage. Power MOSFET is a voltage-controlled device, and its volt-ampere te property is linear when it is turned on. When using a power MOSFET as a rectifier, the gate voltage must be synchronized with the phase of the rectified voltage to complete the rectification function, so it is called synchronous rectification. Synchronous rectification technology greatly reduces the rectification loss at the output end of the switching power supply, thereby improving the conversion efficiency and reducing the heat of the power supply itself.

     

    Module Parameters:

     

    ● Module nature: non-isolated synchronous rectification automatic buck-boost module

    ● Input voltage: DC5-30V

    ● Input current: 8A (MAX) peak value 10A (within 6A for long-term work)

    ● Static working current: 4mA (there will be errors when the working voltage is different)

    ● Output voltage: 1.25-30V continuously adjustable

    ● Output current: 10A (MAX) (within 5A of natural heat dissipation for a long time, please derate when using high voltage output)

    ● Output constant current range: 0.2-10A

    ● Working temperature: -40~+85 degrees

    ● Working frequency: 150KHz

    ● Conversion efficiency: typical 91% (12V to 12V5A). High 93%

    ● Overcurrent protection: yes

    ● Short circuit protection: yes (current limiting protection)

    ● Over-temperature protection: yes (automatically reduce output voltage after over-temperature)

    ● Input reverse connection protection: no, (if necessary, please connect a diode in series with the input)

    ● Output anti-reverse irrigation: yes, no need to add anti-reverse diode when charging.

    ● Wiring method: terminal output, (IN is input, OUT is output)

    ● Module size: 60mm*53mm*22mm (length, width and height)

     

    Application Range:

     

    This module can be used in the fields where the input voltage floats relatively large and the output requirements are relatively stable. like:

     

    1. 12V battery (10-14V) regulated output 12V, power supply for 12V equipment, 24V battery regulated 24V; can be used as vehicle power supply

    2. The solar panel is regulated, the voltage fluctuation of the solar panel is relatively large, this module can stabilize the output, supply power to the device or charge the battery.

    3. Drive high-power LED lights, constant current drive, such as 12V battery driving 4 strings of LED lights, at this time, the voltage between the LED and the battery is not much different.

     

    Output Current Adjustment Method:

     

    1. Adjust the CV potentiometer and set the output voltage to the voltage value you need according to your load requirements.

    2. Set the CC potentiometer counterclockwise for about 30 turns (that is, set the output current to be small), connect the LED, and adjust the CC potentiometer to the current you need. For battery charging, after the battery is fully discharged, connect it to the output, and adjust the CC to the current you need. The more the charging current is, the smaller the charging current.) Please do not adjust the current in a short-circuit mode, and the circuit structure of the module cannot be adjusted in a short-circuit mode.


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