CD Tugas Akhir
Rancang Bangun Battery Charger Berbasis Full Bridge Converter Untuk Pengisian Muatan Baterai Lithium-Ion
ABSTRACT
Electric car uses an electric motor as its prime mover. The energy source for the
electric motor comes from the battery. Lithium-ion batteries are one source of
energy. For continuous use it is necessary to recharge the battery. Charging is a
process where the battery will be powered by a power source whose voltage value
has been adjusted to the battery specifications. One method of charging the battery
is with a constant charging current, from initial charge until the battery is full. The
charging process is indicated by the voltage on the battery rising to its maximum
voltage and the battery current dropping to near zero amperes when fully charged.
Full-bridge Converter is a DC-DC converter topology that uses four active switch
components in a bridge configuration across the power transformer. The active
switch components are controlled using PWM signals. IC SG3526 can adjust the
size of the PWM signal to control the switching of the active switch. The process
of charging the battery with an initial voltage of 48.1V into fully charged at 53.0V
takes 80 minutes with a constant current of 5A.
Keywords: Lithium-Ion, Constant current, IC SG3526, Full-bridge Converter,
Battery Charger.
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