A Solar Powered PWM Charger for Multiport USB Devices

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dc.contributor.authorWilloughby, Alexander
dc.date.accessioned2022-03-01T09:38:45Z
dc.date.available2022-03-01T09:38:45Z
dc.date.issued2016-08
dc.description.abstractThe circuit presented is a solar photovoltaic PWM charger for charging USB-powered devices. It is intended as a portable and tidier substitute to the commonly assembled petrol generator powered multi-socket AC phone chargers displayed in market stalls in Nigeria. The unit consists of two DC-DC step-down buck converter circuits; the first employs a TL494 switchmode regulator to charge a 12 V/24 Ah battery in constant current, constant voltage mode, while the second is based around multiple MC34063 switchmode ICs, each configured as a 5 V buck converter to run USB devices such as iPads, iPods, MP3 players, Bluetooth devices as well as chargers for mobile phones.en_US
dc.identifier.issn2278-1676
dc.identifier.urihttp://dspace.run.edu.ng:8080/jspui/handle/123456789/1515
dc.language.isoenen_US
dc.publisherIOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)en_US
dc.subjectBuck converteren_US
dc.subjectConstant Current-Constant Voltageen_US
dc.subjectPulse Width Modulationen_US
dc.subjectSolar PVen_US
dc.subjectUSB devicesen_US
dc.subjectSwitch mode regulatoren_US
dc.titleA Solar Powered PWM Charger for Multiport USB Devicesen_US
dc.typeArticleen_US
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