Design of Adaptive DC Power Supply with Microcontroller Based Cuk Converter Circuit

Nowadays, the need for equipment sourced from DC power supplies is increasing. One of the DC–DC converter topology that can be DC source isCukConverter. Currently, we need an adaptive power supply that can generate current and voltage according to the power required by the load automatically. In this research, the Cuk-Converter circuit is driven through the Arduinonano as a pulse generator and circuit control system. The microcontroller has set a minimum current of 520mA to charge the battery. The test was carried out with a 12 Volt DC battery source, the output of the Cuk-Converter was a 3.7 Volt battery with a capacity of 50,000 mAh and 3Ah, and a 12 Volt 3 Ah accumulator. The output of the Cuk Converter is set in the range 2-19 Volt DC. The results show that the Cuk-Converter can charge the test battery with a minimum current of 520 mAh and a duty cycle in the range of 27-50%. This result performed the average error of the circuit and calculation was 13.9%.