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Title:
OPTIMALNI STIKALNI NAPAJALNIK ZA POLNJENJE LITIJEVIH AKUMULATORSKIH BATERIJ
Authors:
ID
Hajsok, Dalibor
(
Author
)
ID
Solar, Mitja
(
Mentor
)
More about this mentor...
Files:
VS_Hajsok_Dalibor_2016.pdf
(4,71 MB)
MD5: 8AB040013520B1F8CDD2E75742A4E4EE
Language:
Slovenian
Work type:
Undergraduate thesis
Typology:
2.11 - Undergraduate Thesis
Organization:
FERI - Faculty of Electrical Engineering and Computer Science
Abstract:
Namen diplomskega dela je bilo izdelati polnilnik, ki bo optimalno in varno polnil Li-ion akumalatorske baterije. Uvodoma so predstavljene polnilne baterije in podrobneje analizirane Li-ion baterije. Polnilnik smo zasnovali kot stikalni na podlagi regulatorja navzdol. Stikalo temelji na MOSFET tranzistorju, za nadzor napetosti pa je uporabljena impulzno širinska modulacija PWM. Predstavljene so prednosti in slabosti stikalne izvedbe. Jedro polnilnika je namensko integrirano vezje bq24257. Celotno vezje je izdelano v SMD tehniki. Polnilniku lahko preko računalnika nastavljamo in spremljamo vse bitne parametre. Na koncu smo preverili delovanje polnilnika z meritvami in prikazanimi rezultati.
Keywords:
baterije
,
stikalni napajalniki
,
Li-ion
,
baterijski polnilnik
Place of publishing:
[Maribor
Publisher:
D. Hajsok
Year of publishing:
2016
PID:
20.500.12556/DKUM-62142
UDC:
621.355(043.2)
COBISS.SI-ID:
20026902
NUK URN:
URN:SI:UM:DK:HPTAAT8Q
Publication date in DKUM:
28.11.2016
Views:
2370
Downloads:
307
Metadata:
Categories:
KTFMB - FERI
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Secondary language
Language:
English
Title:
SWITCHING POWER SUPPLY FOR OPTIMAL LI-ION BATERY CHARGING
Abstract:
The goal of this final work is to make a charger which will optimally and safely charge both Li-ion and storage batteries. In the introduction we present the chargeable batteries, while the detailed analysis encompasses the Li-ion battery. The charger is designed as a switch buck converter. The switch is based on a MOSFET transistor, while the voltage control uses pulse width modulation (PWM). The advantages, as well as drawback of the switch model are presented. The charger core consists of a purpose integrated chip bq24257, while the whole circuit has been made in SMD tehnology. All essential parameters of the charger can be both computer adjusted and monitored. Finally, certain measurements were made and the obtained results have been presented.
Keywords:
batteries
,
switching power supply
,
Li-ion
,
battery charger
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