?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Rancang+Bangun+Catu+Daya+Digital+Menggunakan+Buck+Converter%0D%0ABerbasis+Mikrokontroler+Arduino&rft.creator=Nuril+Ilmi+Tohir1015031016%2C+1015031016&rft.subject=Teknik+Elektro.+Rekayasa+elektronik+Nuklir&rft.description=Catu+daya+merupakan+piranti+elektronik+yang+memiliki+sifat+pengubah+(altering)%2C+pengendalian+(controling)%2C+atau+pengaturan+(regulating)+daya+listrik%2C+sehingga+mampu+mencatu+daya+(arus+dan+tegangan+)+yang+sesuai+dengan+kebutuhan.+Proses+penelitian+yang+baik+maka+diperlukan+peralatan+pendukung+yang+baik+pula.+Catu+daya+merupakan+salah+satu+bagian+penting+dalam+proses+tersebut%2C+oleh+karena+itu+catu+daya+sangat+perlu+dilakukan+pengembangan+demi+mendukung+suatu+penelitian+yang+lebih+baik.+Catu+daya+pada+umumnya+masih+menggunakan+catu+daya+analog+dimana+masih+menggunakan+putaran+analog+sehingga+tidak+mudah+untuk+mendapatkan+keluaran+langsung+sesuai+dengan+keinginan+yang+dibutuhkan+pemakai.+%0D%0A%0D%0ASelain+itu+kestabilan+yang+masih+kurang+baik+dan+besarnya+disipasi+daya+yang+terjadi+pada+catu+daya+analog+menjadi+latar+belakang+sehingga+diperlukan+pengembangan.+Perangkat+yang+ditawarkan+pada+tugas+akhir+ini+adalah+catu+daya+digital+yang+berbasiskan+buck+converter.+Penerapan+sistem+buck+converter+sebagai+salah+satu+regulator+dc+tipe+switching+dimana+transistor+daya+pada+buck+converter+digunakan+sebagai+saklar+untuk+mengatur+daya+dan+diteruskan+ke+bagian+induktor+dan+kapasitor+yang+kemudian+disalurkan+kepada+beban.+%0D%0A%0D%0ANilai+tegangan+keluaran+dapat+diatur+dari+nilai+tegangan+masukannya+dengan+mengatur+lebar+pulsa+pada+PWM+yang+dihasilkan+dari+pemrograman+pada+mikrokontroler+arduino+yang+terkontrol+dengan+kendali+PI+dengan+inputan+tegangan+melalui+keypad+dan+ditampilkan+pada+lcd.+Perancangan+dan+pembuatan+catu+daya+digital+dengan+metode+regulasi+pensaklaran+(switching)+telah+berhasil+dilakukan+dengan+kemampuan+daya+maksimal+sebasar+170+watt.+Catu+daya+digital+yang+telah+dibangun+memiliki+efisiensi+rata-rata+sebesar+80.74%25+dan+regulasi+beban+rata-rata+sebesar+1.89%25.+Saat+setpoint+25+volt+Perbandingan+hasil+simulasi+dan+perangkat+keras+untuk+perubahan+tegangan+keluaran+akibat+perubahan+beban+sebesar+0.22+volt.+Pengaruh+perubahan+setpoint+dan+perubahan+beban+terhadap+tegangan+keluaran+yang+diinginkan+untuk+mencapai+waktu+steady+state+sebesar+10+detik.%0D%0A%0D%0A%0D%0AKata+kunci+%E2%80%94+Catu+daya%2C+Buck+Converter%2C+efisiensi%0D%0A%0D%0A%0D%0A%0D%0AABSTRACT%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AThe+power+supply+is+an+electronic+device+that+has+altering%2C+controlling%2C+or+regulating+electrical+power%2C+so+it+can+distribute+the+power+(current+and+voltage)+in+accordance+with+needs.+A+good+research+process+also+needs+ancillary+equipment.+The+power+supply+is+one+of+important+part+of+the+process%3B+therefore+it+is+very+necessary+to+develop+the+power+supply+to+support+a+better+research.+Generally%2C+analog+power+supply+is+still+use+analog+round+so+it+is+not+easy+to+get+direct+output+in+accordance+with+the+required+user.%0D%0AThe+background+of+this+study+are+the+stability+of+analog+power+supply+is+still+not+good+and+the+amount+of+power+dissipation+that+occurs+in+analog+power+supply.+The+device+is+offered+in+this+final+assignment+is+digital+power+supply+based+on+buck+converter.+The+implementation+of+buck+converter+system+as+one+of+dc-type+switching+regulator+in+which+a+power+transistor+in+buck+converter+is+used+as+a+switch+to+regulate+power+and+forwarded+to+the+inductor+and+capacitor++channeled+to+the+load.%0D%0AThe+value+of+output+voltage+can+be+set+from+the+value+of+input+voltage+by+adjusting+the+PWM+pulse+width+that+resulting+from+programming+on+the+microcontroller+arduino+controlled+by+PI+control+with+input+voltage+via+keypad+then+displayed+on+lcd.+The+design+and+manufacture+of+digital+power+supply+with+switching+regulation+method+has+been+successfully+carried+out+with+a+maximum+power+of+170+watts.+Digital+power+supply+that+has+been+built+has+an+average+efficiency+of+80.74%25+and+an+average+load+regulation+of+1.89%25.+At+setpoint+25+volt+the+comparison+of+simulation+results+and+hardware+for+output+voltage+changes+due+to+changes+in+load+current+of+0.22+volt.+The+effects+of+changes+in+setpoint+and+load+changes+toward+the+output+voltage+desired+to+achieve+steady+state+time+of+10+seconds.%0D%0A%0D%0A%0D%0AKeywords+-+Power+Supply%2C+Buck+Converter%2C+Efficiency%0D%0A&rft.publisher=Fakultas+Teknik&rft.date=2016-05-13&rft.type=Skripsi&rft.type=PeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F22516%2F5%2FABSTRAK%2520%2528%2520ABSTRACT%2529.pdf.PDF&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F22516%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F22516%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Nuril+Ilmi+Tohir1015031016%2C+1015031016++(2016)+Rancang+Bangun+Catu+Daya+Digital+Menggunakan+Buck+Converter+Berbasis+Mikrokontroler+Arduino.++Fakultas+Teknik%2C+Universitas+Lampung.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F22516%2F