Hey viewers welcome to Innovation IC.
This is powerful buck-boost converter that converts fixed voltage into desired variable voltages from 2.7V to 40V with current control from 10mA to 10A. The circuit uses UC3843 which controls the PWM and feedback with input voltage of 9v to 24v. This converter can be used as MPPT charge controller in solar system with up to 150W of power.
Components Required -
UC3843
LM358
UF4007 diode
10nF, 100nF, 1000uF*2 capacitors
100Ω*2, 470Ω, 2.2KΩ, 5.6KΩ*3, 15KΩ*2 resistors
IRFZ44N MOSFET
MBR20100CT/BY028E Schottky diode(20A, 100V)
10KΩ*2 Potentiometer
Screw terminal*2
0.05Ω/5mΩ Shunt resistor(20A)
Inductor 15T/15T(ATX Power Supply)
8-Pin IC Base*2
Circuit Diagram & PCB Files -
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