RANCANG BANGUN SISTEM PENGISIAN-CEPAT BATERAI LIFEPO4 MENGGUNAKAN MCP4725 BERBASIS ARDUINO PADA SISTEM PENGISIAN KENDARAAN LISTRIK

CINDY NOVITA TRILIA, . (2025) RANCANG BANGUN SISTEM PENGISIAN-CEPAT BATERAI LIFEPO4 MENGGUNAKAN MCP4725 BERBASIS ARDUINO PADA SISTEM PENGISIAN KENDARAAN LISTRIK. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

Dengan meningkatnya upaya pemerintah dalam mendorong penggunaan kendaraan listrik, pengembangan sistem pengisian daya yang cepat dan adaptif menjadi kebutuhan utama. Penelitian dilakukan dengan tujuan untuk merancang sistem pengisian-cepat baterai LiFePO4 menggunakan MCP4725 berbasis Arduino sebagai kontrol digital. Penelitian dilakukan dengan pendekatan riset dan pengembangan dengan model pengembangan ADDIE (Analysis, Design, Development, Implementation, and Evaluation). Sistem pengisiang-cepat baterai LiFePO4 dirancang menggunakan komponen utama DC-DC converter SZBK07 yang dikendalikan menggunakan MCP4725 dan Arduino Uno sebagai pengendali utama. Sistem pengisian-cepat yang berhasil dikembangkan, diuji pada baterai LiFePO4 12V 6Ah dengan tegangan awal 12V (±20%) dan diisi dayanya hingga tegangan penuh mencapai 14.4V (100%). Hasil pengujian sistem pengisian-cepat menunjukkan bahwa sistem berhasil melakukan transisi otomatis dari mode-pengisian CC hingga ke mode-pengisian CV. Hal tersebut berdampak pada durasi pengisian yang dibutuhkan baterai dalam mengisi dari kapasitas 20% hingga 100%. Dalam hasil pengujian menunjukkan bahwa pengisian dengan menggunakan mode-pengisian CV saja membutuhkan durasi selama 9 jam 33 menit. Kemudian sistem pengisian-cepat yang berhasil dikembangkan diterapkan dengan pengujian menggunakan mode CC-CV dengan laju pengisian 0.5C menunjukkan durasi pengisian membutuhkan waktu selama 2 jam 1 menit atau mengalami percepatan sebesar 78.8% lebih cepat. Sedangkan dengan laju-pengisian 1C membutuhkan waktu selama 1 jam 7 menit atau setara dengan 88.2% dibandingkan dengan mode-CV saja. ***** With the government's increasing efforts to promote the use of electric vehicles, the development of fast and adaptive charging systems has become a primary need. This research aims to design a fast-charging system for LiFePO4 batteries using the MCP4725 digital-to-analog converter controlled by an Arduino. The research was conducted using a research and development approach with the ADDIE development model (Analysis, Design, Development, Implementation, and Evaluation). The fast-charging system for LiFePO4 batteries was designed using the SZBK07 DC-DC converter as the main component, which is controlled by the MCP4725 and an Arduino Uno as the main controller. The developed fast-charging system was tested on a 12V 6Ah LiFePO4 battery with an initial voltage of 12V (±20%) and charged until it reached its full voltage of 14.4V (100%). The test results showed that the system successfully performed an automatic transition from Constant Current (CC) charging mode to Constant Voltage (CV) charging mode. This significantly affected the charging duration required to charge the battery from 20% to 100% capacity. The test results indicated that using the CV-only charging mode required a total duration of 9 hours and 33 minutes. Meanwhile, the fast-charging system developed using the CC-CV charging mode with a 0.5C charge rate reduced the charging time to 2 hours and 1 minute, which is 78.8% faster. Furthermore, with a 1C charge rate, the charging time was reduced to just 1 hour and 7 minutes, or 88.2% faster compared to the CV-only charging mode.

Item Type: Thesis (Sarjana)
Additional Information: 1). Rafiuddin Syam, S.T, M.Eng, Ph.D ; 2). Dr. Wisnu Djatmiko, M.T
Subjects: Teknologi dan Ilmu Terapan > Teknik Elektronika
Divisions: FT > S1 Pendidikan Teknik Elektronika
Depositing User: Cindy Novita Trilia .
Date Deposited: 30 Jul 2025 03:53
Last Modified: 30 Jul 2025 03:53
URI: http://repository.unj.ac.id/id/eprint/56967

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