Page 16 - i-MeIV Product Information

EV System

2-4-1 OBC [On-Board battery charger unit & DC / DC converter]
OBC has two function, On-Board Battery charger and DC/DC converter.

[On-Board Battery Charger Unit]
It converts AC [Alternating Current] either 200V or 100V to DC [Direct current] .
It boosts the voltage for the DC 330V battery charging.

Input pattern is categorized 3 ways as;
[200V or 100V or No power input]
No power input

Actual voltage at the household plug [V]

[DC / DC Converter]
DC / DC converter is equipped to convert from DC 330V at the battery pack to DC 14.4V, in order to charge the
DC 12V battery for auxiliaries.

On-Board
Battery pack battery
charger

DC / DC
Converter

Battery
For
auxiliaries

Noise Convert Convert Boost Convert Noise
Filter From AC to DC From DC to AC Voltage From AC to DC Filter
Power
Source
Battery
Pack

Relay for
EV control

Battery for
auxiliaries
Relay for
On-Board battery Charger

Circuit diagram of OBC

１４