Charger for NiMH batteries based on buck DC/DC converter | Zendy

Vladimir Lapcevic | Zendy

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Charger for NiMH batteries based on buck DC/DC converter

Author(s) -

Vladimir Lapcevic

Publication year - 2014

Publication title -

serbian journal of electrical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.133

H-Index - 5

eISSN - 2217-7183

pISSN - 1451-4869

DOI - 10.2298/sjee1403477l

Subject(s) - battery charger , battery (electricity) , electrical engineering , trickle charging , microcontroller , buck converter , pulse width modulation , power (physics) , constant current , voltage , voltage drop , buck–boost converter , computer science , engineering , boost converter , physics , quantum mechanics

In this paper is presented charger for NiMH battery types AA. Charger is realized by Buck DC/DC converter and microcontroller. Microcontroller controls the work of Buck DC/DC converter by pulse width modulation and by measuring the current of battery charging. The current of charging is held constant by power electronics, and the time of charging is set by the user dependent of capacity of the battery. Standard battery chargers enable the recharge of NiMH battery for few hundred times, because termination of charging is done when voltage drop on the battery is detected. The aim of this paper is to create charger which enables that NiMH battery is charged 1000 times

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